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VKM-GA(M)V1 Technical Data

1. lt Table 2 gt Groups Type of room a Groups Type of room porn Living room 6 Audience room 6 T Patroon 6 Playhouses eames 6 household Drawing room 6 oe Smoking room 12 Toilet 10 Toilet 12 Kitchen 15 Projector room 20 Restaurant 6 Office room 6 o Sushi restaurant 6 General work room 6 a Banquet hall 10 Telephone room 6 Tempura restaurant 20 Spinning plant 10 Cooking room 20 Printing plant 10 Guest room 5 Battery room 10 Corridor 5 Machinery plant 10 Dance hall 8 Plants Generator room 15 Large dining hall 8 Substation room 15 Inns and Washroom Toilet 10 Painting shop 15 hotels Cooking room 15 Welding plant 15 Laundry room 15 Chemical plant 15 Engine room 20 Food plant 20 Boiler room 20 Wood working plant 20 Casting plant 50 Office room 6 General Waiting room 10 Consultation office 6 mias Show room Toilet 10 Conference room 12 actors 20 Dark rooms Dark rooms for photo 16 Guest Sick room 6 rooms of 6 ship ie Cees D nm s Corridor 10 Waiting room 10 Bathroom 10 Dining room Toilet 10 Respiratory disease room 10 Laundry room 15 Cooking room 15 Surgery room 15 Sterilizing room 15 Engine room 20 Boiler room 20 Class room library 6 Auditorium 6 Experimental chemistry 6 Schools room Gymnasium 8 Toilet 12 Cooking room 15 I Ventilation Ventilaci n con Recuperaci n de Calor
2. Unit mm OQ o Electric parts box DOUG mbre Maintenance space Z th i D i aJ minimum hight m o i H 20 or more Fig 1 e Select the H dimension such that a downward slope of at least 1 100 is ensured as indicated in 9 Installation PRECAUTION e Install the indoor and outdoor units power supply wiring and connecting wires at least 1 meter away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient enough to eliminate the electric noise e The bellows may not be able to be used in some disctricts so exercise caution Contact your local government office or fire department for details e When discharging exhaust air to a common duct the Building Standard Law requires the use of fire proof materials so attach a 2 m copper plate standing duct or smoke back flow prevention damper 2 Use suspension bolts for installation Check whether the ceiling is strong enough to support the weight of the unit or not If there is a risk reinforce the ceiling before installing the unit Installation pitch is mentioned as follow Refer to it to check for points requiring reinforcing I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 3 Preparations before Installation 1 Confirm the positional relations
3. Remote control for VKM BRC1D527 EU only Figure 5 I Ventilation Heat Reclaim Ventilation I HRV VKM GA M V1 8 Operation OI oe 56 Da Gir TEST Remote control for VRV BRC1A62 Figure 6 Remote control for VKM BRC1D527 EU only Figure 6 Eo pores S BRC1A62 Remote control for VRV BRC1A62 Figure 7 1 Maintenance cover 3 Hanging metal 1 Air filter Figure 8 1 Figure 8 2 1 Heat exchanger element x2 Remote control for VKM BRC1 D527 EU only Figure 7 Figure 9 y Reo 2 Handle lt See Seal SS Sie ll Ss e SS PS Rees Roo SS M PN EA S PR es ea AT Ns es gt gt Vin A bes p p FI BT Figure 10 Figure 11 Figure 12 Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 1 Safety Cautions Read the following cautions carefully and use your equipment properly This unit comes under the term appliances not accessible to the genetic public There are two kinds of safety cautions and tips listed here as follows AN WARNING
4. VKM GA M TC Total capacity kW SHC Sensible heat capacity kW Capacity Coil Inlet air temp CDB class Outdoor 14 0WB 16 0WB 18 0WB 19 0WB 20 0WB 22 0WB 24 0WB DX Coil CDB 20 0DB 23 0DB 26 0DB 27 0DB 28 0DB 30 0DB 32 0DB Only TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC 10 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 12 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 14 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 16 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 18 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 20 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 21 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 50 2 8kW 23 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 3 24 index 25 25 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 3 2 0 27 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 32 2 0 29 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 2 2 0 31 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 1 2 0 33 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 1 2 0 3 1 1 8 35 0 2 6 2 0 2 8 2 0 3 0 2 0 3 0 1 9 3 1 1 8 37 0 2 6 2 0 2 8 2 0 2 9 2 0 3 0 1 9 3 0 1 8 39 0 2 6 2 0 2 8 2 0 2 9 2 0 2 9 1 9 3 0 1 8 10 0 3 0 24 3 6 24 42 2 7 4 5 27 12 0 3 0 24 3 6 24 42 2 7 4 5 2 7 14 0 3 0 24 3 6 24 42 27 45 27 48 3 3 16 0
5. 52 3 3 5 6 3 3 5 9 3 3 6 0 3 3 6 2 3 2 37 0 52 3 3 5 6 3 3 5 8 3 3 5 9 3 2 6 1 3 1 39 0 52 3 3 5 6 3 3 5 7 3 3 5 8 3 2 6 0 3 1 Notes 1 Cooling and heating capacities are based on the following conditons Fan is based on High and Ultra high The figures in the parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use the following figures VKMSOGAMV1 3 5kW VKM80GAMV1 5 6kW VKM100GAMV1 7 0kW Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 3 Capacity tables 7 1 3 2 Heating capacity tables VKM GA M Capacity Outdoor Coil Inlet air temp CDB Class S CDB CWB 16 0kW 18 0kW 20 0kW 21 0kW 22 0KW 24 0kW 14 7 150 22 22 12 6 13 0 23 23 10 5 11 0 24 24 E gt 9 5 10 0 25 24 2 a 8 5 9 1 25 25 7 0 7 6 26 26 21 5 0 5 6 27 27 27 2 8kW 3 0 37 28 28 3 0 3 0 index 25 0 0 0 7 3 0 3 0 3 1 3 1 3 0 22 3 1 3 1 3 2 3 1 3 0 5 0 44 33 32 32 3 1 3 0 7 0 6 0 34 34 32 3 1 3 0 9 0 79 3 5 34 32 3 1 3 0 11 0 98 3 6 34 32 3 1 3 0 28 13 0 11 8 3 6 34 32 34 3 0 28 15 0 13 7 3 6 3 4 3 2 34 3 0 28 ET 75 0 34 34 12 6 13 0 3 6 3 6 2 e 10 5 11 0 3 7 3 7 95 10 0 3 9 37 2 8 5 9 1 3 9 3 9 7 0 7 6 4 1 4 1
6. Model Gas piping diameter Liquid piping diameter VKM50GAMV1 VKM50GAV1 VKM80GAMV1 VKM80GAV1 o 12 7 o 6 4 VKM100GAMV1 VKM100GAV1 e When brazing the refrigerant piping perform nitrogen replacement first or perform the brazing note 2 while feeding nitrogen into the refrigerant piping note 1 and finally connect the indoor unit using the flare connections Refer to Fig 14 Pressure reducing valve Part to be brazed Taping tH A lt Nitrogen H H EXE Refrigerant piping valve Nitrogen Fig 14 N CAUTION e When brazing a pipe while feeding nitrogen inside the pipe make sure to set the nitrogen pressure to 0 02MPa 0 2kg cm or less using the pressure reducing valve This pressure is such that breeze is blown to your cheek e Do not use a flux when brazing the refrigerant pipe joints Use phosphor copper brazer BCuP 2 JIS Z 3264 B Cu93P 710 795 ISO 3677 which does not require flux Using a flux containing chlorine may cause the piping to corrode Using a welding flux containing fluorine may cause the refrigerant lubricant to deteriorate and affect adversely the refrigerant piping system e Do not use anti oxidants or other similar agent when brazing the pipe joints Residue can clog the pipes and may cause breakdown of parts I e Ventilation Heat Reclaim Ventilation 91 I HRV VKM GA M V1 9 Installation 9 7 Duct Connection
7. w E i i p noi RUM SUI TR KEA A EET aay RS pet RCE UIE E o PAR bed WL ES bi PORE TA UE S Sphere PORT NK t PUL E se SSSR Cia dw ee vo KAUF LEN m a EENT ed zE RRA A L a es SAMO UV UE UI aos yee Se AE BAO ni ye a A D ie z on TEEVAD a a PIE YET Vie ah xog A EA T FE TWLA SL z355 Aa AT H iati An TA Vs FC Sio RIFLE VS dH AO 5 AIRE VAL STIS ME EUM pui ee e TEM ADE Specific volume v m3 kg DA I DAIKIN Ventilation Heat Reclaim Ventilation Ventilation
8. Fan operation lt STOP gt I Ventilation Ventilaci n con Recuperaci n de Calor I e HRV VKM GA M V1 5 Features 5 3 Energy Saving 5 3 2 Automatic Changeover to Efficient Operation Patterns Operation automatically changes to the optimum pattern to suit conditions inbetween bypass ventilation Heating Heat exchanger element Heat exchanger element Exhaust fan Damper heat recovery heat recovery EA RA EA RA Automatic changeover OA SA OA SA Air supply fan DX coil cooling DX coil heating Humidifying 5 3 3 Efficient Outdoor Air Introduction with Heat Exchanger and Cooling Heating Operation Indoor unit with outdoor air treatment Using outdoor air the temperature can be brought near room temperature with minimal cooling capacity through the use of outdoor air 100 80 60 Outdoor air temperature in summer Heating and cooling Effect of full heat exchange Effect of cooling Zf heat recovery Pree d humidifying WW indoor temperature dur indoor emperature urin Indoor temperature during heatin LY AB o Relative humidity 96 Effect of humidification g coolin g m eo Outdoor air temperature L mT in winter x Effect of heating Effect of full heat exchange 5 0
9. I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 2 Refrigerant 2 Global warming Principle remove them global warming Due to the results of human activities such as a large quantity of consumption of petrochemical fuels e g petroleum coal and natural gas and forest destruction carbon dioxide chlorofluorocarbon methane and others in the atmosphere have been increasing beyond the limit that natural force can As a result the dissipation of heat from Earth s surface is interrupted greenhouse effect thus resulting in Solar light beam Gases in the atmosphere absorb the infrared rays Infrared rays Carbon dioxide fluorocarbon methane nitride and others are released from Earth s surface La absorbed Infrared rays heat rays from Earth s surface are l Heat temperature cannot be dissipated from Earth s surface L amp L Resulting in temperature rise and sea level rise I Ventilation Heat Reclaim Ventilation 139 HRV VKM GA M V1 Appendix 11 11 5 How to use Psychrometric Chart 11 5 2 Refrigerant m Refrigerant R 410A saturation curve Temperature C Ventilation Heat Reclaim Ventilation 140 l HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5
10. Improper handling can lead to such serious consequences as death or severe injury AN CAUTION Improper handling can lead to injury or damage It could also have serious consequences under certain conditions Note e These instructions will ensure proper use of the equipment Be sure to follow these important safety cautions Keep these warning sheets handy so that you can refer to them if needed Also if this equipment is transferred to a new user make sure to hand over this user s manual to the new user N WARNING During Operation e When the unit is in abnormal conditions smell of something burning etc cut off the power and contact your dealer Continued operation under such circumstances may result in a failure electric shock and fire e It is not good for your health to expose your body to the air flow for a long time e Do not operate the unit with a wet hand An electric shock may result e Open the windows and ventilate the room if flammable gas is leaked Insufficient ventilation when the unit is turned on or off may cause an explosion from sparks at the electrical connection Do not wash the HRV unit with water Electric shock or fire may result Not including air filters etc e Be sure to stop the unit and turn off the power when cleaning or inspecting it As the fan is rotating at high speed it will cause injury e Never inspect or service the unit by yourself Ask a qualified service p
11. va E ri xc o3 P ILES T ROCs E RIBES Ee REIN tt Wm RN FIT oie TAN iT AB z LO Lr m e mae ae A as AA a JA D cr AX wile Dee L amic ET ra AALS a aA Y ux E i XO MS DAD Y m eT A wan E c P be ate a pss 7 Ti A nE 5 HAA p 50 50 tt Ea ae ay A Li EE J a rea h kd kg Pressure enthalpy curves of HFC32 125 50 50 wt ra rar Fl atur AY T Vi T pt FW Ww Cu m eu em c Lk T Z0169 V DAIKIN Ventilation Heat Reclaim Ventilation 144 7 DAIKIN HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 3 Psychrometric Chart AHS 10196 yeay aiqisues fa LUE Dy UAE E LIED T 1 DL BL LE EU ro LR XL BL Ir LIE LATE MIU LY ane LEE Tede S E eee e oe EAT FI BELA PIU SEE LS SE LA PAV Ar AE s AU nA EET tX a a s LA DR PS Big NP a EID Aer NOTA RA EA EX HL DAT REP IRAE T E EFE V EET FLU ka E NE XL ERA ee 317 PA PALA TA PTA TT EOE E S NU TET oe TSUNA NEL AS s US PE QE Y ALIUS S PAS MTN EPN EE E Lee D TA LRL p mm i TF quB ae uc eT ae E fat Pe Ps eet Y SX ed dd dae i WES FSI SKI SU ALES ASS STS RARE ACIE Dom FL COL De 3 i Len CO ea Sb defi jg eA em Ge WEY aah ae Oh eh LAE HI RO Cep Sd AAD ELOA a DA C La E m h ERRE EE AA Ls
12. This button is a multi purpose button Depending on the previous manipulations of the user the programming button can have various functions 40 SCHEDULE TIMER BUTTON Oi This button enables or disables the schedule tiimer I e Ventilation Heat Reclaim Ventilation 63 I HRV VKM GA M V1 8 Operation 8 2 Safety Cautions 8 2 2 Remote controller and Changeover Switch Name and Function of Each Switch and Display Refer to figure 3 and 4 41 OPERATION CHANGE MIN MAX BUTTON amp E min This button is a multi purpose button Depending on the previous manipulations of the user it can have following functions 1 select the operation mode of the installation FAN DRY AUTOMATIC COOLING HEATING 2 toggle between minimum temperature and maximum temperature when in limit operation 42 SETPOINT LIMIT BUTTON Bi This button toggles between setpoint limit operation or OFF programming mode only Note e n contradistinction to actual operating situations the display on figure 3 shows all possible indications e f the filter sign lamp lights up clean the air filter as explained in the chapter MAINTENANCE After cleaning and reinstalling the air filter press the filter sign reset button on the remote controller The filter sign lamp on the display will go out e tem 27 Item 42 can be used with BRC1D527 In detail refer to operation manual of the remote controller e Only the items marked with an asterisk
13. EA Exhaust air to outdoors 4a Round shape food Locally procured 4 Heat insulator Locally procured A J Branch duct Na Locally procured ET TTT ITTY TTT TIT Ty Try OA e i Silencer Fresh air from outdoors d Locally procured Control box P j S Flexible duct Air discharge grille Locally procured Locally procured eg i Inspection Inspection amp e Maintenance space for the heat exchanger elements the 4 filters fans and humidier L 4 hatch pam 8 360 In case of 1450 inspection hatch 140 In case of C1600 inspection hatch Water supply shut off valve Cistem tank Locally procured Drain valve E A Locally procured Refrigerant piping gas pipe P gradiento 012 7 flare connection more than 1 30 Strainer Refrigerant piping liquid pipe Accessory 06 4 flare connection 9200 Nominal diameter Locally procured OAS Fresh air from outdoors e EA H Exhaust air to outdoors gue d x gradient of the 1 100 Locally procured L1 450 600 Suspension bolt t U Locally procured RA SA Return air from room Supply air to room COND 11 12 13
14. Type 500 800 1000 DX Coil and Humidifier VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 DX Coil VKM50GAV1 VKM80GAV1 VKM100GAV1 These units are applied only for CE regulation I Ventilation Ventilaci n con Recuperaci n de Calor 7 DAIKIN HRV VKM GA M V1 3 Nomenclature V K M 50 GA M V1 Ventilation Outdoor Air Treatment Type Mounted Type Nominal Air Flow Rate 50 500ms h 80 750ms h 100 950ms h Major Design Category Moisture M With Humidifier Elements nothing without Humidifier Elements Power Supply V1 1 Phase 220 240V 50Hz 4 Structures Heat Exchanger Exhaust Fan Elements Damper EA Motor Exhaust air to outdoors DX coil Direct expansion coil RA Return air from room OA Fresh air from outdoors SA Supply air to room Air Supply Fan Electronic Parts Box Control box Humidifier element Utilizing the principle of capillary action Floatiswiteh Solenoid water is permeated throughout the valve humidifier element The heated air from the DX coil goes through the humidifier and absorbs the moisture water L AIRFLOW 23s SA Drain pan Drain I DAIKIN Ventilation Ventilaci n con Recuperaci n de Calor I 5 Features 5 1 General I HRV VKM GA M V1 Interlocked operation with VRV Controls of interlocked operation for energy saving The remote controller for
15. l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 1 Specifications TECHNICAL SPECIFICATIONS VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 Fresh air Cooling kW 4 71 7 46 9 12 conditioning load Heating kW 5 58 8 79 10 69 Power input Heat exchange Ultra high kW 0 560 0 620 0 670 nominal mode High kW 0 490 0 560 0 570 Low kW 0 420 0 470 0 480 Bypass mode Ultra high kW 0 560 0 620 0 670 High kW 0 490 0 560 0 570 Low kW 0 420 0 470 0 480 Casing Material Galvanised steel plate Dimensions Height mm 387 387 387 Width mm 1764 1764 1764 Depth mm 832 1214 1214 Weight kg 102 120 125 Heat exchanger Type Cross fin coil Rows 2 2 2 Stages 12 12 12 Fin pitch mm 2 2 2 2 2 2 Face area m 0 078 0 118 0 165 Fan Type Sirocco fan Air Flow Rate Heat exchange Ultra high m 500 750 950 mode High m 500 750 950 Low m 440 640 820 Bypass mode Ultra high m 500 750 950 High m 500 750 950 Low m 440 640 820 Fan External static Ultra high Pa 160 140 110 pressure High Pa 120 90 70 Low Pa 100 70 60 Motor Quantity 2 2 2 Output W 280 280 280 Temperature Ultra high 76 78 74 exchange efficiency High 76 78 74 Low 775 79 76 5 Enthalpy exchange Cooling Ultra high 64 66 62 efficiency High 64 66 62 Low 67 68 66 Heating Ultra high 67 71 65 High 67 71 65 Low 69 73 69 Humidif
16. 20 0 3 0 2 1 3 6 24 4 2 2 7 4 5 2 7 4 8 28 21 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 80 4 5kW 23 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 5 3 2 9 index 40 25 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 52 2 9 27 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 5 1 2 8 29 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 54 2 8 31 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 5 0 2 8 33 0 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 4 9 2 7 5 0 2 6 35 0 4 2 2 7 4 5 2 7 4 7 2 8 4 8 2 7 4 9 2 6 37 0 4 2 2 7 4 5 2 7 4 6 2 8 4 8 2 7 4 9 2 6 39 0 4 2 2 7 4 5 2 7 4 6 2 7 4 7 2 6 4 8 2 5 10 0 3 8 2 5 45 2 9 5 2 3 3 12 0 3 8 2 5 4 5 2 9 52 3 3 5 6 3 3 14 0 3 8 2 5 4 5 2 9 52 3 3 5 6 3 3 16 0 3 8 2 5 4 5 2 9 52 3 3 5 6 3 3 6 0 34 18 0 3 8 2 5 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 20 0 3 8 2 5 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 21 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 100 5 6kW 23 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 index 50 25 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 5 3 5 27 0 4 5 2 9 52 3 3 5 6 3 3 6 0 34 64 3 5 29 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 3 3 4 31 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 2 3 4 33 0 52 3 3 5 6 3 3 6 0 34 6 1 3 3 6 3 32 35 0
17. Transportation anchors Double nut Fig 4 2 If unnecessary remove the four transportation anchors Loosen the screws e Slide upward and remove the transportation anchors e Securely tighten the screws as before N CAUTION e The screws shouldn t be removed from the unit and should be tightened in order to prevent air from escaping e Check that foreign objects such as plastic or paper are not contained in the unit when installing e Install the unit after checking the indoor SA RA and outdoor EA OA in accordance with the figure duct layout precaution label e Do not turn the unit upside down 3 Adjust the height of the unit Tighten the double nuts securely 4 Check the unit is horizontally level CAUTION Use a level to make sure that the unit is level and that the tilt downward slope to the drain piping connection is within 1 Refer to Fig 5 One thing to watch out for in particular is if it is installed so that the slope is not in the direction of the drain piping as this might cause leaking o o Level 1 or less 1 or less Level f pt L i eu 9 O Drain hole Duct connecting flange Q X Fig 5 5 Tighten the upper nut 6 Attach the accessory duct connecting flanges using the included screws to the outlet and intake holes a total of four When attaching make sure the alignment markings on the unit match up with the triangle on the each duct connecting flange Refer to
18. lt Symptom gt The icon under centralized control is displayed on the remote controller and pressing the on off button causes the display to blink for a few seconds lt Cause gt This indicates that the central device is controlling the unit The blinking display indicates that the remote controller cannot be used lt Symptom gt The fans rotates after 1 minutes when pressing on on off button lt Cause gt This indicates that the operation is in preparation Wait for about 1 minute e Operation stops sometimes lt Symptom gt U5 is displayed on the remote controller and the operation stops but then restarts after a few minutes lt Cause gt This indicates that the remote controller is intercepting noise from electrical appliances other than the HRV unit and this prevents communication between the units causing them to stop Operation automatically restarts when the noise goes away e 88 is displayed on the remote controller lt Symptom gt It displays immediately after the power is turned on and disappears after several seconds lt Cause gt This indicates that the unit is checking whether or not the remote controller is normal It is only displayed temporarily 8 6 2 If One of the Following Malfunctions Occurs take the Measures Shown below and Contact Your Daikin Dealer The system must be repaired by a qualified service person DO NOT CHECK AND REPAIR OPENING INSIDE THE UNIT BY YOURSELF
19. mark are explanation relating to the functions and display of the unit Unmarked items are functions of the combined air conditioners 8 2 3 Explanation for Systems This unit can be made a part of two different systems as part of the combined operation system used together with VRVIII SYSTEM Air Conditioners and as the independent system using only the HRV An operating remote controller is required when using the unit as an independent system Ask your dealer what kind of system your system is set up for before operation For the operation of the remote controller for indoor unit and centralized controller refer to the instruction manual provided with each unit See the included operating manuals for details on how to operate each remote control W OPERATION for EACH SYSTEM Sample system Refer to figure 2 Combined operation system with VRVIII systems Operation The air conditioner remote controller starts and stops the air conditioner and the HRV unit You can also select the ventilation amount and the ventilation mode Refer to 8 3 Operation Procedure During intermediate periods when only the HRV unit is used without the air conditioner select ventilation with the operation selection button Refer to 8 2 4 Sample system Refer to Figure 2 Independent system Operation The HRV unit can be started and stopped using the remote controller You can also select the ventilation amount and the ventilatio
20. 9 9 Wiring example and how to set the Remote Controller 9 9 6 Control by 2 Remote Controllers Controlling 1 indoor Unit by 2 Remote Controllers 2 Turn the MAIN SUB changeover switch on one of the two remote controller PC boards to S Leave the switch of the other remote controller set to M Factory setting 5 3 Remote controller PC board needs to be changed if factory settings have remained untouched Only one remote controller B E Wiring Method See 9 8 Electric Wiring Work 1 Remove the electric parts box lid 2 Add remote controller 2 slave to the terminal block for remote controller P1 P2 in the electric parts box There is no polarity PPF FTT Sssssssim Wl Remote controller wiring fA terminal block Remote controller 2 SUB Remote controller 1 MAIN PRECAUTIONS e Crossover wiring is needed when using group control and 2 remote controllers at the same time e Connect the indoor unit at the end of the crossover wire P1 P2 to remote controller 2 slave Max No of Indoor unit 1 Indoor unit 2 indoor units jh El O O IBIUC Crossover wire P1 P2 Remote controller 1 Remote controller 2 MAIN SUB Ventilation Heat Reclaim Ventilation HRV VKM GA M
21. I Air discharge grille Locally procured Heat insulator ocally procured Air discharge grille Locally procured Suspension bolt Locally procured RA A Retum air from room Supply air to room oono 11 12 13 14 15 NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements fans and humidifier elements can easily be inspected and serviced Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the unit upside down Use city water of clean water Include water supply piping with straner a water supply shut off valve and a drain valve both locally procured somewhere along the water supply piping that can be reached from the inspection It is impossible to connect the water supply piping directly to public piping use a cistern tank of the approved type if you need to get your water supply from public piping Make sure the supply water 0 02MPa to 0 49MPa 0 2kg cm to 5kg cm Make sure the supply water is between 5 C and 40 C in temperature Insulate the water supply piping to prevent condensation from forming
22. 0 04 0 1 0 2 0 4 1 0 2 0 6 0 10 20 40 60 80 Friction loss factor y Pa m Friction Resistance Diagram for Duct How to use the diagram Conditions A ventilating fan intended for use with a ducted system should be chosen Required air flow 300 m3 h Duct diameter 15 cm Duct length 5 m Air flow Q m9 h e eo 0 2 2 Friction loss factor y Pa m 1 Find the intersection of the duct diameter d 15 cm and air flow Q 300 m3 h gt Point A 2 Draw a vertical line through Point A until it intersects with the abscissa gt Point B 3 Read the Point B 2 2 Pa m for this case Multiply the value by the duct length The answer is 11 Pa I Ventilation Heat Reclaim Ventilation 127 I HRV VKM GA M V1 11 Appendix 11 3 Calculation of Duct Pressure Loss 11 3 2 Pressure Loss Calculation for straight Duct DE side 10 20 30 40 50 60 70 8090100 200 Short side How to use the chart gt Example A rectangular duct of 40x200 is equivalent to a round duct of 90 in diameter Find the intersection of the short side 40 and long side 200 Point A 200 7 A II Draw the line B passing through Point A until it intersects with the slant line C Point D o B D 3 o This is the equivalent diameter In this case the diameter is 90 D E C 40 Short side 11 3 3 Pressure Loss Due to Local Features 1 Local feature loss coeffi
23. 1 4 3 2 HC0056 1 Making the duct diameter extremely small Example 250 gt Note 150 200 gt 100 2 Making the duct extremely bent using bellows in particular connecting bellows to the air discharge outlet of the unit body 3 Making opening holes on the ceiling 4 Hanging the unit on a material which does not have enough hanging strength Note HC0057 1 Use a sound insulating low permeability to sound ceiling Some sound insulating ceilings are not very effective in reducing low frequency element of the operating sound 2 Place a sound reducing material under the source of the operating sound 1 When using a sound insulating sheet it is necessary to have the entire body of the unit covered with it Note however that some models do not allow the use of a sound insulating sheet because it may badly affect the ventilation of their radiation heat I Ventilation Heat Reclaim Ventilation 7 7 l HRV VKM GAV1 Product Specification 2 VKM GAV1 7 2 7 2 Reducing Operating Sound Heard from the Air Discharge Outlet Suction Inlet 1 7 Use the following recommended optional accessories to reduce operating sound heard from attic installed duct type models Fig 3 Fig 3 0o o EKOS E ae HC0058 1 Sound eliminating box
24. 15 0 13 7 3 6 3 4 3 2 3 1 3 0 2 8 14 7 15 0 34 34 12 6 13 0 3 6 3 6 10 5 11 0 3 7 3 7 9 5 10 0 3 9 3 7 8 5 9 1 3 9 3 9 7 0 7 6 4 1 4 1 4 2 5 0 5 6 4 2 4 2 4 2 80 4 5kW 3 0 3 7 4 4 4 4 4 7 4 6 index 40 0 0 0 7 4 7 4 7 4 9 4 9 3 0 22 4 9 4 9 5 0 4 9 4 7 5 0 4 1 5 2 5 0 5 0 4 9 4 7 7 0 6 0 5 3 5 3 5 0 4 9 4 7 9 0 7 9 5 5 5 3 5 0 49 47 11 0 9 8 5 7 5 3 5 0 49 47 44 13 0 11 8 5 7 5 3 5 0 49 47 44 15 0 13 7 5 7 5 3 5 0 49 47 44 14 7 15 0 44 44 12 6 13 0 4 6 4 6 10 5 11 0 4 8 4 8 9 5 10 0 5 0 4 8 8 5 9 1 5 0 5 0 7 0 7 6 5 2 5 3 5 0 5 6 54 54 54 100 5 6kW 3 0 3 7 5 6 5 6 6 0 index 50 0 0 0 7 6 0 6 0 6 2 6 2 3 0 2 2 6 2 6 2 6 4 6 2 6 0 5 0 4 1 6 6 6 4 6 4 6 2 6 0 7 0 6 0 6 8 6 8 6 4 6 2 6 0 9 0 7 9 7 0 6 8 6 4 6 2 6 0 11 0 9 8 72 6 8 64 6 2 6 0 5 6 13 0 11 8 72 6 8 64 6 2 6 0 5 6 15 0 13 7 7 2 6 8 6 4 6 2 6 0 5 6 Notes Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra high The figures in the parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use the following figures VKM50GAVA 3 5kW VKM80GAV1 5 6kW VKM100GAVA
25. Btu h kW Inches Pounds Psi KPa Cfm US Gallons UK Gallons kcal h x 3 97 kcal h x 1 860 mm x 0 0394 kg x 2 205 kgf cm 2 kgf cm x 14 22 m3 min x 35 3 Liter x 0 264 Liter x 0 220 W General conversion tables Pressure bar 0 980667 0 06895 0 024309 0 0 4394 0 0625 14 223 1 0333 14 70 i T o kgf cm ibm Ozyine British Mercury 0C atm mm in 2320 o 9869 750 0 29 53 0 9678 735 5 28 96 1 3333 1 3596 19 34 0 03386 0 02453 0 4912 L e 4 Velocity m min km hr ft sec ft min mile hr Knot 136 3 28091 196 854 2 23698 1 9426 0 06 0 05468 3 28091 0 03728 0 03237 16 66667 1 0 91136 54 6815 0 62138 0 53962 18 2874 1 09725 60 0 68182 0 59211 0 0 50798 0 30479 0 018287 0 016667 0 011364 0 0 98684 26 8215 1 60931 1 46667 88 0 86842 11 8532 1 68889 1 15152 1 0 00155 0 15501 10x108 It yd 0 0010764 0 041196 10 7643 1 196 645 14 92900 1550 1 0 0564514 1 0 0929 0 006944 0 037716 0 11111 836090 0 83609 grain Ib 10x10 1000 0 015432 0 0435274 0 0522046 15 4324 0 035274 0 022046 154324 35 27394 2 20462 64
26. Heat exchange element Specially processed non flammable paper Air Filter Multidirectional fibrous fleeces I Ventilation e Heat Reclaim Ventilation 38 l HRV VKM GAV1 TECHNICAL SPECIFICATIONS VKM50GAV1 VKM80GAV1 VKM100GAV1 Connection duct diameter mm 200 250 250 Operation mode Heat exchange mode bypass mode fresh up mode nstallation and operation manual Duct connection flange M4 tapping screw to connect duct refrigerant piping insulation cover clamp Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra High The figures in parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra High The figures in parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra High The figures in parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use 3 5kW indoor units use 5 6kW indoor units use 7 0kW Cooling capacities are based on indoor temperature 27 Heating capacities are based on indoor temperature 20 Op
27. I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 2 Connecting Power Supply Wiring and Ground Wiring e Pass the power supply wiring and the ground wiring through the wiring through hole into the electrical parts box and secure with the included clamping material after connecting the wires to terminal blocks Refer to Fig 17 1 17 2 VKM GAMV1 series Terminal block X1M details Grounging terminal elele M4 screws spring alle washers cup washers 2 Short circuit wire Resin Clamp parts Remove when installing the humidistat locally ev Power supply wiring procured Clamp Ground wiring accessory Wiring for the humidistat Fig 17 1 VKM GAV1 series Grounging terminal Terminal block X1M details M4 screws spring Q washers cup washers Resin Clamp parts Power supply wiring Clamp Ground wiring accessory Fig 17 2 Precautions when laying power supply wiring PRECAUTIONS 1 A circuit breaker capable of shutting down power supply to the entire system must be installed 2 A single switch can be used to supply power to units on the same system However branch switches branch overload circuit interru
28. WARNING When the HRV is in abnormal conditions smell of something burning etc cut off the power and contact your dealer Continued operation under such circumstances may result in a failure electric shock and fire e The unit does not operate at all a Check if there is a power failure Measure After power has been restored start operation again b Check if the fuse has blown Measure Turn the power off c Check if breaker has worked Measure Turn the power on with the breaker switch in the off position ON Do not turn the power on with the breaker switch in the trip eee position Contact your dealer Trip position e If a safety device such as a fuse a breaker or an earth leakage Breaker OFF breaker frequency actuates or ON OFF switch does not properly work Measure Do not turn the power on e The remote control buttons do not work well Measure Turn off the main power switch I Ventilation Heat Reclaim Ventilation 77 78 I HRV VKM GA M V1 8 Operation 8 6 Trouble Shooting 8 6 2 If One of the Following Malfunctions Occurs take the Measures Shown below and Contact Your Daikin Dealer e If the display xs INSPECTION UNIT No and the OPERATION lamp flash and the MALFUNCTION CODE appears Measure Notify and inform the model name and what the malfunction code indicates to your Daikin dealer e There are other malfunctions Measure Stop the unit OPERATION
29. ntilation fans ventiat O Good example A 2 For confined rooms Ventilating a bathroom with the door tightly closed may cause the water trap of the drainage to break which results S in the backflow of odor into the bathroom In cold weather areas ventilating a confined room using a stove with a natural exhaust ventilation duct may invite backflow of air into the stove through the exhaust duct leading to dangerous combustion condition Backflow of air through the drain piping cold and smelly Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 2 Kinds of ventilation 11 2 2 Air Flow Quantity and Dynamic and Static Pressure Ventilation fan performance parameters include air flow quantity and static pressure These two parameters relate closely to each other Ventilation cannot be designed without these two parameters The first step of designing a ventilation system is to understand these two parameters W Quantity Air flow is the amount of air that a ventilation fan exhausts or supplies per unit time generally expressed in m3 h 3 or m min W Pressure This is a wind pressure expressed in the unit of Pa Three types of wind pressure are used e Dynamic pressure This is a pressure produced by wind velocity also called velocity pressure Deflection of a window glass by strong wind during typhoon is due to this dynamic pressure e Static pressure When a balloon
30. to 80 15 mm min in thickness e The ambient temperature exceeds 30 C and the humidity exceeds 80 20 mm min in thickness Without reinforcement condensation may form on the surface of the insulation Before refrigerant piping work check the type of R 410A refrigerant is used Proper operation is not possible if the types of refrigerant are not the same N CAUTION This product must use a new refrigerant R 410A Obey the following items e Use a pipe cutter and flare suitable for the type of refrigerant R 410A e Apply ester oil or ether oil around the flare portions before connectioning e Only use the flare nuts included with the unit Using different flare nuts may cause the refrigerant to leak e To prevent dust moisture or other foreign matter from infiltrating the tube either pinch the end or cover it with tape Do not allow anything other than the designated refrigerant to get mixed into the refrigerant circuit such as air etc If any refrigerant gas leaks while working on the unit ventilate the room thoroughly right away e The outdoor unit is charged with refrigerant e Be sure to use both a spanner and torque wrench together as shown in the drawing when connecting or disconnecting pipes to the unit Refer to Fig 11 e Refer to the Table 1 for the dimensions of flare nut spaces Table 1 Pipe gauge Tightening torque Flare dimension A mm Flare shape 6 4 14 2 17 2N m 8 7 9 1 012 7 49 5
31. with other various symptoms O2 concentration of 896 or lower will have a fatal effect Higher O2 concentration will cause our pulse rate to increase which leads to larger burdens on the heart Abnormally higher O2 concentrations invite another danger higher ignition possibilities Therefore artificial oxygen supplies should be avoided The most effective way for avoiding oxygen starvation is to supply natural air that contains oxygen concentrations appropriate for human life I Ventilation Heat Reclaim Ventilation I HRV VKM GA M V1 11 Appendix 11 1 Purpose of ventilation 11 1 1 Air Pollution e Yawning is a sign of insufficient oxygen You may think that persons who frequently yawn have no concentration However this is not the case depending on the situation Yawning is a physiological phenomenon that can occur when the brain is suffering from the shortage of oxygen Concentration can be reduced by the shortage of oxygen Yawning is an action to try to keep himself herself concentrated Fresh air required for human body is min 30 mg per hour This corresponds to the oxygen amount contained in a room of normal size about 10 m which suggests that four persons of a family cannot stay for more than one hour in an enclosed non ventilated living room about four times larger than a normal size bed room or private room Yawning should be considered a sign of oxygen shortage In such cases immediately take fresh air into
32. 105 6 42 107 6 102 215 6 104 40 0 224 106 7 43 109 4 103 217 4 106 41 1 226 107 8 44 111 2 104 219 2 108 42 2 228 108 9 45 113 0 105 221 0 110 43 3 230 110 0 46 114 8 106 222 8 112 44 4 232 111 1 47 116 6 107 224 6 114 45 6 234 112 2 48 118 4 108 226 4 116 46 7 236 113 3 49 120 2 1089 228 2 118 ATB 238 1144 j F9 5x C 32 C F 32 x5 8 I Ventilation Heat Reclaim Ventilation 137 138 I HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 2 Refrigerant W Fluorocarbon and global environment Influence of refrigerant given on global environment 1 Ozone layer destruction Space beyond the 120km earth s atmosphere Ozone layer destruction due to chlorine contained in fluorocarbon Upper atmosphere 40km Stratosphere ozone layer 20km NN Fluorocarbon Troposphere Intrusion of harmful ultraviolet rays Earth s surface Refrigerants discharged reach the stratosphere without being decomposed e Refrigerants are decomposed by strong ultraviolet rays radiated from the sun C Chlorine is discharged 4o Ozone O reaction caused by chlorine discharged Resulting in ozone layer destruction The strong ultraviolet rays radiated from the sun directly reach Earth s surface Resulting in the increase of harmful ultraviolet rays Cause of skin cancer and others
33. 2 40004 n Team 18 7 i ATH i711 432 36 A 1242 0 T i j AT4 1 4565 20 f 1234 8 3 LE iF ITT O 453 01 a 1227 5 4 DE Uh Se i 1220 0 zu i IEZ 9 bees 675 26 T 1212 5 d Ov 085 9 GI6 02 G13 2048 9 Y j 150 0 GT z 19T 1 Al i92 0 764 15 1180 4 1 i 195 0 TB51 G4 d 1381 4 F 3 f iR i G01 GZ 1 1172 4 E z 3 201 2 RAGLHT 1155 Jti r D 2M Uns i 957 0 E hf IM 207 4 Sih 20 i 1148 5 E i 210 5 1026 5 i 1140 0 s i i 214 7 ingD E 1131 3 j 2186 8 1155 4 J607 1122 5 E Ai 220 8 1224 3 1113 5 2 223 2 1295 2 1104 4 225 5 1371 2 S 10941 A i 225 7 1440 4 34 10058 a 20 1530 9 1524 MITES S ET 235 4 1815 8 106600 200 7 1704 2 a 10565 3 241 1 1798 2 I 1048 5 24 5 1891 5 a 1042 5 3a 1931 3 1024 1 251 4 2094 5 i 10129 465 2569 2200 7 2183 1001 4 h 260 5 2313 8 P linn 5 254 1 7428 4 977 3 2n1 8 2548 4 ug4 f 271 5 25T2 2 IFLA 275 3 28 g T TUM uar 27 2 7 2 u213 2H1 2 Ld Ld Ld Ld L4 Ed W715 i uM 3214 0 320 6 GERE 3361 4 3251 4 ATE 3513 5 T LELE 3071 3 3hhl 2 Ab 3834 L 3824 2 B14 9 002 c Tut2 Tun ilTh 7 41h TT d ZHT 3 zu 25 3 mig 406 0 aru 315 3 321 2 EEEE EELE 8E de Ed Ld ba ea Pos n mi n th d Z0168 142 I DAIKIN Ventilation Heat Reclaim Ventilation DAIKIN HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 2 Refrigerant fs i oe Sl NE dm Tr
34. 3 0 24 3 6 24 42 27 45 27 48 2 8 18 0 3 0 24 3 6 24 42 2 7 4 5 2 7 4 8 2 8 20 0 3 0 24 3 6 24 42 27 45 27 48 2 8 21 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 80 4 5kW 23 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 5 3 2 9 index 40 25 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 52 2 9 27 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 54 2 8 29 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 54 2 8 31 0 3 6 24 42 2 7 4 5 2 7 4 8 2 8 5 0 2 8 33 0 3 6 2 4 4 2 2 7 4 5 2 7 4 8 2 8 4 9 2 7 5 0 2 6 35 0 4 2 2 7 45 27 47 2 8 48 2 7 4 9 2 6 37 0 42 27 45 2 7 4 6 2 8 4 8 2 7 4 9 2 6 39 0 42 2 4 4 5 2 7 4 6 2 7 47 2 6 48 2 5 10 0 3 8 2 5 4 5 2 9 52 33 12 0 3 8 2 5 4 5 2 9 52 33 5 6 3 3 14 0 3 8 2 5 4 5 2 9 52 33 5 6 3 3 16 0 3 8 2 5 4 5 2 9 52 33 5 6 3 3 6 0 34 18 0 3 8 2 5 4 5 2 9 52 33 5 6 3 3 6 0 34 20 0 3 8 2 5 4 5 2 9 52 33 5 6 3 3 6 0 34 21 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 100 5 6kW 23 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 index 50 25 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 5 3 5 27 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 4 3 5 29 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3 4 6 3 3 4 31 0 4 5 2 9 52 3 3 5 6 3 3 6 0 3
35. 4 2 5 0 56 42 42 42 a 4 5kW 3 0 37 44 44 47 46 index 40 0 0 0 7 4 7 47 49 49 3 0 22 49 49 50 49 41 5 0 4 1 52 50 50 49 41 7 0 6 0 53 53 50 49 41 9 0 7 9 5 5 53 5 0 49 41 11 0 98 57 53 50 49 41 44 13 0 11 8 57 53 50 49 41 44 15 0 137 57 53 50 49 41 44 147 15 0 44 44 12 6 13 0 46 46 10 5 11 0 48 4 8 95 10 0 5 0 48 z 8 5 9 1 5 0 5 0 7 0 7 6 52 53 5 0 5 6 54 54 54 T 5 6kW 3 0 3 7 5 6 56 6 0 index 50 0 0 0 7 6 0 6 0 6 2 6 2 3 0 22 6 2 6 2 64 62 6 0 5 0 44 6 6 64 64 62 6 0 7 0 6 0 6 8 6 8 64 62 6 0 9 0 7 9 7 0 6 8 6 4 6 2 6 0 11 0 98 12 6 8 64 62 6 0 56 13 0 11 8 7 2 6 8 6 4 6 2 6 0 56 15 0 137 7 2 6 8 64 62 6 0 56 I Notes 1 Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra high The figures in the parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use the following figures VKM50GAMV1 3 5kW VKM80GAMV1 5 6kW VKM100GAMV1 7 0kW I Ventilation e Heat Reclaim Ventilation 24 l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 3 Capacity tables 7 1 3 3 Capacity correction factor Supply air flow rate Exhaust air flow rate 50 Less than 50 Lm pe Heat exchange 90 efficiency I Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1
36. 6 1 04 150 7 22 6 2 21 321 4 265 1 83 18 6 615 4 24 43 2 10 8 1 06 153 6 22 8 2 23 324 2 270 1 86 19 0 620 4 28 43 6 11 0 1 08 156 4 23 0 2 25 327 1 275 1 90 19 3 625 4 31 43 9 11 2 1 09 159 3 23 2 2 27 329 9 280 1 93 19 7 630 4 34 44 3 11 4 1 12 162 1 23 4 2 29 332 7 285 1 96 20 0 635 4 38 44 6 11 6 1 14 165 0 23 6 2 31 335 6 290 2 00 20 4 640 441 45 0 11 8 1 16 167 8 23 8 2 33 338 4 295 2 03 20 7 645 4 45 45 3 300 2 07 21 1 650 4 48 45 7 p s i 14 22xkgf cm 305 2 10 21 4 655 4 52 46 0 kgf cmf 10 2xMpa 310 2 13 21 8 660 4 55 46 4 kgf cm 0 0703 p s i 315 2 17 22 1 665 4 58 46 7 MPa 0 098 kgf cm 320 2 20 22 5 670 4 62 47 1 325 2 24 22 8 675 4 65 47 5 p s i 145 0xMPa 330 2 27 23 2 680 4 68 47 8 MPa 0 006896 p s i 335 2 31 23 6 685 4 72 48 2 U xp S il Note This conversion system is based on GAUGE ai 2 34 as eee S13 BS pressure 345 2 37 24 3 695 4 79 48 9 136 I Ventilation Heat Reclaim Ventilation 11 11 5 How to use Psychrometric Chart l HRV VKM GA M V1 Appendix 11 5 1 Unit converion tables W Temperature conversion table T TORES F s F F dba Cc F x 10 14 0 50 122 0 0 712 8 120 48 9 9 15 8 51 123 8 2 7164 122 50 0 8 17 6 52 125 6 4 15 6 124 51 1 e 19 4 53 127 4 6 144 126 52 2 6 21 2 54 129 2 8 13 3 128 53 3 5 23 0 55 131 0 10 TEZ 130 54 4 4 24 8 56 132 8 12 11 1 132 55 6 3 26 6 57 134 6 14 10 0 134 56 7 z 28 4 58 136 4 16 8 9 1
37. 60 3N m 16 2 16 6 e When connecting the flare nut coat the flare section both inside and outside with ester oil or ether oil rotate three or four times first then screw in Refer to Fig 12 Torque wrench y Ester oil or ether oil 5 Spanner e Flare nut cam f Piping union Fig 11 Fig 12 e Refer to the Table 1 for tightening torque N CAUTION Over tightening may damage the flare and cause a refrigerant leakage e f a torque wrench is not available tighten the nut in the following manner Once work is complete make sure there is no gas leaking As the flare nut is tightened with the wrench the torque will suddenly increase From that position tighten the nut to the angle shown on Table 2 Table 2 Pipe size Further tightening angle Recommended arm length of tool o 6 4 1 4 60 to 90 degrees Approx 150mm 9 12 7 1 27 30 to 60 degrees Approx 250mm e After the work is finished make sure to check that there is no gas leak Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 6 Refrigerant Piping Work e After checking the pipe connection for gas leakage be sure to insulate the liquid and gas piping Refer to Fig 13 Gas Piping Insulation Procedure Piping insulation Insulation for fitting accessory material main unit 1 Attach to base Flare nut Mi
38. 7 0 7 0 x 4 35 0 kW Therefore no more capacity than this is connectable RXYQ10PY1 VKM100GAMV1 x 1 unit P71 x 4 units Indoor unit W Similar to R 407C Model but following points are to be noted Features of VKM GA M Because VKM GA M model is equipped with a heat exchanger unit a PC board corresponding multiple type for building PC board for controlling the heat exchanger has been built in in addition to a P board for ventilation These two PC boards are connected via remote controller line P1 P2 to perform an interlocked control Its control System provides the same condition when 1 ventilation and 1 multiple type for building have been remotely controlled No air conditioning temperature controlling function has been equipped Therefore it is necessary to prepare separately an indoor unit for air conditioning purpose Ventilation Heat Reclaim Ventilation e HRV VKM GA M V1 10 Outdoor Air Processing of Ceiling Mounted Duct Connection type 10 2 Stand alone Operation is Possible as an Independent System BRC1AI 49 R C_ An image sketch of VKM GA M A group of 1 ventilation 1 multiple type for building indoor unit air conditioner a of uchianger ludos unit I orresponding multiple P board for ventilation type for building P board aie uivalent gel e P2 C Points to be noted for VKM GA M There
39. 7 Product Specification 7 1 VKM GAMV1 7 1 4 Dimensional drawing amp centre of gravity 7 1 4 1 Dimensional drawing VKM50GAMV1 Supply air fan Damper plate Direct expansion coil Feed water tank Hanger bracket 387 ai i UA x40 oval hole NOTES FL 1688 235 Exhaust air fan T 160 E il Specifications are subject to change without notice E oe EN Be sure to provide two inspection hatches 1450 or 11600 at EA Retum arom room Nz the service side of filters and elements Exhaust air to outdoors ge 210 a amp p FD The high efficiency filter option can be attached to the SA a gt H gt Sz surface of the heat exchanger elements x el AME airto room a 4 Fresh air from outdoors y lt be ES yvi SPI Outdoor air s j J N t TI mE 153 360 7 M valve 28 Bg Maintenance cover Humidifier oy vd Control box Natural evaporative type L9 38 Inspection Inspection ATIGTaIcS CONG 14 L 7 hatch l i hatch For humidifier __ 210 Maintenance space forthe heatexchanger elements 7 the air fiters ans and humidifier 7 Nb case of ASO inspection haich 137 i HL 1 515 Feed water connection port High efficiency filter
40. Fig 6 Horizontal line Screws accessory 6pcs x4 total 24pcs Duct connecting flange marking Unit alignment V RA is a 3 indentation Duct goes flange Duct connecting flange Fig 6 Ventilation Heat Reclaim Ventilation 9 l HRV VKM GA M V1 Installation 9 5 Drain Piping and Water Supply Work 1 Install the drain piping e Make sure the drain works properly e Incase of the direct duct connection system there is negative pressure inside the unit relative to atmospheric pressure when the unit is running so be sure to provide drain frap on the drain outlet See Fig 7 1 Attached drain hose Bottom of unit or more or more Fig 7 1 N CAUTION Do not connect the drain piping directly to sewage pipes that smell of ammonia The ammonia in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger Direct expantion coil e Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air pockets from forming Refer to Fig 7 2 e f converging multiple drain pipes install according to the procedure shown below Install a drain trap for each indoor unit Central drain piping 100mm or more Install with a downward slope of at least 1 100 Fig 7 2 N CAUTION Water accumulating in the drain piping can cause the drain to
41. Heavy work 0 0572 0 0902 0 074 Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 2 Kinds of ventilation 11 2 5 Required Air Flow Table B Required Air Flow Based on Labor Burdens CO2 production Energy Required air flow m h person for calculation metabolic rate Labor burden m E m3 h person for calculation CO2 limit 0 1096 CO2 limit 0 15 CO2 limit 0 20 0 013 0 Sitting quietly 18 6 10 8 7 6 0 022 0 8 Very light work 31 4 18 3 12 9 0 030 1 5 Light work 43 0 25 0 17 6 10 046 3 0 Medium work 65 7 38 3 27 1 0 076 0 8 Heavy work 106 0 61 7 43 7 Example Assumptions CO2 production 0 03 m h person light work CO concentration limit 0 15 vol 100 x 0 030 Q 0 15 0 08 25m h person Therefore air flow of 25 m3 h person is required W Required air flow based on tobacco smoking and odor 6 class odor level presentation this classification is linked with an approximate intuitive estimation of gas concentration Odor intensity Description 0 Odorless 1 Manages to detect the presence of odor threshold concentration 2 Manages to detect what is producing the odor threshold concentration 3 Easily detects the odor 4 Strong odor 5 Very strong odor For example to keep the odor level not greater than 2 the contamination concentration tobacco combustion amount mg ventilation a
42. L z 2 360 In case of 1450 inspection hatch 140 In case of L1600 inspection hatch Refrigerant piping gas pipe gradient o 912 7 flare connection more than 1 30 Refrigerant piping liquid pi 9200 Nominal diameter 06 4 flare connection Air discharge grille Locally procured Heat insulator Locally procured Air discharge grille Locally procured Locally procured OA Fresh air from outdoors ro EA Exhaust air to outdoors loping downards at a gradient of the 1 100 a 11450 600 inspection hatch Locally procured Suspension bolt t Locally procured Return air from room Supply air to room NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements and fans can easily be inspected and serviced Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the unit upside down Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe s
43. Preparations before Installation sss 85 The Method of Installation sssssssssns 86 Drain Piping and Water Supply Work sss 87 Refrigerant Piping Work a an 90 Duct Connection ebe aide Pao Pr PIG RE bete e Meanie denne 92 Electric Wiring WOIK eec c en oa ent e nd 93 Wiring Example and how to set the Remote Controller 94 Field Setting and Test Run sss 102 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 TABLE OF CONTENTS 10 11 Outdoor Air Processing of Ceiling Mounted Duct Connection BRN 106 Stand alone Operation is Possible as an Independent System 106 Ability to Calculate Connectable Capacity 106 Central Control System 2 5 ite Y ox RAE RORIS ER An ERR 108 Restrictions to Control System aaia 109 About the basic control of VAM n a 111 ADENA am EIER 112 Purpose of Ventlaloli nacen raidoecet dthcoer error eobett tuese rdv 112 Kinds of Ventilation ss cus o E RC e eb Rd ED 117 Calculation of Duct Pressure Loss sess 126 Notes for Ducted Systems n a 131 How to use Psychrometric Chart a a 133 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 1 External Appearance VKM50GAMV1 VKM50GAV1 VKM80GAMV1 VKM100GAMV1 VKM80GAV1 VKM100GAV1 2 Model Series
44. Table 2 Particle diameter of dust i i e o O i aA i i Dust lt a pe i i umm gt Fen Virus protein i i i Rodd sand o Ree P i K Pollen gt 8 powder gt lt Medium high performance filter 10 10 107 1 10 10 108 Jim Particle diameter Liquid drop Dense fog milk 4 MORES Tobacco smoke gt Prefilter HEP filter I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 1 Purpose of ventilation 11 1 1 Air Pollution W Tobacco Only one cigarette can soon pollute the air in the enclosed room And both the smoker and other non smokers staying here are affected Especially the secondhand smoke from the tip of cigarette contains 2 3 times larger amount of harmful substances nicotine and tar than the main smoke exhaled by the smoker so that the non smokers around the smoker can be affected by tobacco smoke So tobacco smoke is one of the serious causes of interior air pollution Tobacco smoke consists mainly of mists such as tar and nicotine gases such as carbon monoxide CO carbon dioxide CO2 hydrogen and various hydrocarbons including methane and traces of hydrogen cyanide formaldehyde acrolein ammonia and nitrogen oxides NOx so that various human health problems including lung cancer chronic CO toxication and bron
45. V1 8 Operation 8 3 Operation Procedure 8 3 1 Cooling Heating and Fan Only Operation Refer to Figure 5 PREPARATIONS e To protect the unit turn on the main power switch 6 hours before operation Do not turn off the power during the heating or cooling season This is to ensure smooth start up x Press the operation mode selector button several times and select the operation mode of your choice 3 Cooling operation i8 Heating operation ed Fan only operation Note e amp can only be set for systems operating in cooling and heating at the same time C NA _ is displayed on all remote controllers when using the VRVIII system cooling only type but only and eQ can be set e Select the operating mode on a remote controller on which IA J is not displayed ox se and A1 only for simultaneous cooling heating systems cannot be selected on remote controllers on which it is displayed See8 3 2if X is displayed Press ventilation mode selector button if you wish to change the mode The display rotates through the following selections every time the button is pressed V l Automatic mode Heat exchange mode Bypass mode B 757 Se ONS Note e Above is available only if the remote controller BRC1D527 is connected with this unit It is unnecessary to change ventilation mode because the mode is already
46. VKM GAMV1 7 1 4 Dimensional drawing amp centre of gravity 7 1 4 1 Dimensional drawing VKM100GAMV1 Supply air fan 238 235 Exhaust air fan 1 ES ES EA uw Exhaust air to outdoors z EY a YZ Fresh air from outdoors T Outdoor air pE y E 153 180 eda E T Maintenance covet g 3 C ntrol box E Damper plate Direct expansion coil 1688 Feed water tank Hanger bracket 4 14x40 oval hole RA Return air from room 592 C 8A Supply air to room 439 f g Solenoid valve Humidifier Natural evaporative type laintenance cover For humidifier Inspection hatch Maintenance space for the heat exchanger elements 7 the air filters fans and humidifier h 30d In case of 1450 inspection hatch 140 In case of 1600 inspection hatch 89 1764 __ 89 515 j Feed water connection port High efficiency filter option 220 10 p6 4C1220T hc Ts d As E A ud J j Heat exchanger elements as pipe n connection Air filters 8127 Liquid pipe connection Drain outlet 06 4 PT3 4 male screw NOTES Specifications are subject to change without notice Be sure to provide two inspection hatches the service side of filters and elements 450 or 600 at The hi
47. are following restrictions with VKM GA M model due to its own controlling structure 1 Stand alone system No address setting is required because of its automatic addressing function corresponding multiple type for building P board Master Because it is under a group control it is always required to connect to a remote controller The structure does not permit if no remote controller is connected A direct connection to a duct is also prohibited Interlock system No address setting is required because of its automatic addressing function Indoor unit Master e Basically the interlocking with an air conditioner is only made via connection to a remote controller line NP The display and operation of a remote controller is the same as Interlocking of a remote controller group V c standard indoor unit e Number of units connectable in case of a remote controller group Because 2 pieces of controlling P board have been built in a VKM GAM model count the remote controller group as 1 set 2 units The maximum number of units connectable to a remote controller group is 16 Example How many units of VKM GAM model can be connected within a single group In case of a group composed of 10 x indoor units VKM GAM the maximum number of VKM GAM is 3 OK 10 3 x 2 16 units In case of 4 units 10 4 x 2 18 units NG 2 units are in excess e External contact point If you want to start stop throu
48. are installed with different BS system inevitably always take following remedies 1 and 2 1 RA Exhaust and suction of this unit is not taken directly from inside of the ceiling connect the suction duct and suction grille to the fitting port of RA duct to suck the indoor air Outdoor unit for heat recovery EA On BS Unit BS Unit Suction rille k YO Give a function to select cooling heating to either one of these 2 Do not make the selection of heating or cooling in automatic mode and it shall be made by manual selection from remote controller or centralized controller I Ventilation Heat Reclaim Ventilation 109 I HRV VKM GA M V1 10 Outdoor Air Processing of Ceiling Mounted Duct Connection type 10 4 Restrictions to Control System 10 4 3 Caution when Connecting the Indoor Unit Directly to the Duct Follow the indications described below a When connecting the indoor unit directly to the duct always use the same system on the indoor unit as with the outdoor unit perform group linked operation and make the direct duct connection settings from the remote controller Mode No 17 27 First code No 5 Second code No 6 Refer to 15 10 1 concerning setting method es E T m INS f suction grille b Do not connect to the outlet side of the indoor uni
49. cc DUST mg E 14 Seven Stars 1 26 45 6 3 2 p 0 1 to 20 More than cigarettes 20 cigarettes perday per day W Carbon monoxide CO Carbon monoxide is colorless odorless and very toxic gas Imperfect combustion of briquette charcoal or oil produces CO gases Tobacco smoke and automobile exhaust gases also contain CO gases CO gases inhaled into the lung join together with hemoglobin in the blood which result in preventing the bonding between oxygen and hemoglobin leading to inability to convey oxygen to the tissues of the human body The bonding force between CO and hemoglobin is 200 300 times larger than that between oxygen and hemoglobin A typical symptom is headache The motor of their limbs is anaesthetized before losing consciousness so that they cannot escape away from the place which may in the worst case lead to fatal accident Inhaling CO gases repeatedly may lead to chronic poisoning with short memory or in the worst case he she is crippled for life The normal atmosphere contains about 21 of oxygen Combusting the air will reduce the oxygen concentration When it reduces to 19 CO concentration starts to increase quickly This quick increase in CO concentration occurs earlier with the lower combustion rate This is a reason for larger number of CO poisoning accidents due to imperfect combustion During combustion using both exhaust ventilation and supply of fresh air is preferable I Ventilatio
50. ceiling Connect to a BS unit identical to the VRV outdoor unit master unit and use group linked operation When connecting the indoor unit directly to the duct always take the same system on the indoor unit as with the outdoor unit Perform group linked operation and make the direct duct connection settings from the remote controller Mode No 17 27 first code n 5 Second Code n 6 Do not connect to the outlet side of the indoor unit depending on the fan strength and static pressure the unit might back up Standard Item Accessories Notes I Ventilation Heat Reclaim Ventilation l HRV VKM GAV1 ELECTRICAL SPECIFICATIONS VKM50GAV1 VKM80GAV1 VKM100GAV1 Power Supply Name V1 Phase 1 1 1 Frequency Hz 50 50 50 Voltage V 220 240 Nominal running Heat exchange Ultra high A 3 00 3 00 3 00 current RLA mode High A 2 50 2 60 2 50 Low A 2 10 2 10 2 10 Bypass mode Ultra high A 3 00 3 00 3 00 High A 2 50 2 60 2 50 Low A 2 10 2 10 2 10 Current Minimum circuit amps MCA A 4 30 4 30 4 30 Maximum fuse amps MFA A 15 15 15 Fan motor rated output kW 0 28x2 Full load amps FLA A 19x2 Voltage range Minimum V 198 198 198 Maximum V 264 264 264 Notes Voltage range Units are suitable for use on the electrical systems where the voltage supplied to the unit terminals is not below or above the listed range limits Maximum allowable volta
51. circuit board M2F Motor exhaust air fan Wired remote control A2P Printed circuit board RIT Thermistor indoor air SS1 Select switch main sub C1 C2 Capacitor M1F R2T Thermistor outdoor air F1U Fuse 10A 250V A1P R3T Thermistor inlet air into coil F1U Fuse 5A 250V A2P R4T RST Thermistor liquid gas pipe of coil Adaptor PC board for wiring KRP50 2 F1UT F2UT Thermo switch 1Q Limit switch damper motor Ry1 Magnetic relay operation stop 152 C M1F M2F built in S81 Selector switch for especially use A1P Ry2 Magnetic relay for humidifier operation HAP Light emitting diode TIR Transformer 220 240V 22V Tes10 Terminal block for external output service monitor green A1P T2R Transformer 220 240V 22V HAP Light emitting diode X1M Terminal block power supply service monitor green A2P X2M Terminal block control A1P Connector for optional parts KTR K3R Magnetic relay M1F A1P X3M Terminal block control X11A Connector adapter power supply A1P KAR K6R Magnetic relay M2F A1P X17A X19A Connector relaying wire X18A Connector wiring adapter for electrical K7R Magnetic relay M1D A1P X20A Connector relaying wire appendices A2P M1D Motor damper motor YiE Electronic expansion valve I Terminal block Colors BLK Black PNK Pink oo D Connector BLU Blue RED Red ga Short circuit connector GRN Green WHT White o Terminal ORG Orange YLW Yellow ATE Field wiring 3D05
52. direction Motor We lt Features gt lt Features gt e Air flow is larger than sirocco or turbo fans but e Static pressure is higher but the air flow is the static pressure is lower smaller than propeller fans Installation Installation e Residential housing external wall mount e Housing complex Applications e Ducted ventilation system e General ventilator Applications e Window mount ventilator e Air conditioning system ventilator e Living room ventilator e Cooking range hood deep e Intermediate ventilator ducted system e Sirocco fan W Impeller characteristics as an essential parameter for type selection Propeller fans have a smaller pressure rating which means that the air flow is reduced significantly by adverse wind The next table shows the airflow vs pressure characteristics that differ between propeller and sirocco fans Depending on the topography altitude and or other conditions as a general guide propeller fans can be used at a height corresponding to the second floor of the building and other types of fans having a higher pressure rating should be used at higher locations Even for independent houses to ventilate a room that does not share any external walls or if the house is located in a windy place use a pressure type fan Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 2 Kinds of ventilation 11 2 3 Mechanical Fan Type
53. from outdoors A Locally procured HN Control box 1 i S Flexible duct Air discharge grille 1 s Locally procured Locally procured gS Maintenance space for the heat exchanger i Inspection Inspection 3j 8 elements the air filters fans and humidifier E hatch patch 2 360 In case of 1450 inspection hatch 140 In case of 1600 inspection hatch Refrigerant piping gas pipe 2200 Nominal diameter gradient o 012 7 flare connection more than 1 30 Refrigerant piping liquid pipe 06 4 flare connection Locally procured OA Fresh air from outdoors A n Jp gv Exhaust air to outdoors i H 450 600 Suspension bolt Sloping downards at a inspection hatch Locally procured RA SA gradient of the 1 100 Locally procured Return air from room Supply air to room NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements and fans can easily be inspected and serviced Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the u
54. grille Air suction grille Locally procured Heat insulator Locally procured Locally procured 1688 Heat insulator ly procured Branch duct Locally procured EA Exhaust air to outdoors t Round shape hood Locally procure OA Fresh air from outdoors m d T a Control box ed E E Flexible duct Air discharge grille as X Wreschargegne gt Inspection Inspectio 3 e Locally procured Locally procured Maintenance space for the heat exchanger 1 hatch hatch s elements the air filters fans and humidifier bia 360 In case of 1450 inspection hatch 140 In case of C1600 inspection hatch Refrigerant piping gas pipe A gradient of 012 7 flare connection more than 1 30 Refrigerant piping liquid pipe 26 4 flare connection 9200 Nominal diameter Locally procured OA Fresh air from outdoors j EA H Exhaust air to outdoors Suspension bolt Is loping downards ata inspection hatch Cocally procured RA SA gradient of the 1 100 Locally procured Retum air from room Supply air to room NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements and fans can easily be i
55. indoor unit are mismatched the system may cause a malfunction Install a wiring interrupter or ground fault circuit interrupter for the power wiring Make sure the ground resistance is no greater than 100 This value can be as high as 5000 when using a ground fault circuit interrupter since the protective ground resistance can be applied Do not let the ground wire should come in contact with gas pipes water pipes lighting rods or telephone ground wires e Gas pipes gas leaks can cause explosions and fire e Water pipes cannot be grounded if hard vinyl pipes are used e Telephone ground and lightning rods the ground potential when struck by lightning gets extremely high Do not turn on the power supply switch wiring interrupter or ground fault circuit interrupter until all other works are done SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE Remote controller wiring Power supply wiring Transmission wiring Model Field fuses Wire Size Wire Size VKM50GAMV1 VKM50GAV1 Follow local Sheathed wire 2 VKM80GAMV1 VKM80GAV1 15A H05VV U3G standards 2 wire 0 75 1 25 mm VKM100GAMV1 VKM100GAV1 Note If the wiring is in a place where people it can be easily touched by people install a leak interrupter to prevent electric shock When using a ground fault circuit interrupter make sure to select one useful also to protection against overcurrent and short circuit If you use a
56. lamp INDOOR UNIT No in INSPECTION display NV which a malfunction occurs MALFUNCTION CODE List of malfunction codes of Remote controller of the HRV system Operation Inspection Unit No Malfunction Description lamp indicator i code p On Off Blinking Indoor air thermistor malfunction On Off Blinking Outdoor air thermistor malfunction On Off Blinking Dumper related malfunction Blinking Blinking Blinking 6A Dumper related malfunction thermistor malfunction Blinking Blinking Blinking Al Printed circuit board fault On Off Blinking A Printed circuit board fault Blinking Blinking Blinking A9 Electric expansion valve drive error inki inki inki Liquid piping thermistor error Blinking Blinking Blinking ni faulty connection disconnection short circuit fault nei inki inki Gas piping thermistor error Blinking Blinking Blinking cs faulty connection cut wire short circuit fault inki inki inki Intake air into coil thermistor error Blinking Blinking Blinking cg faulty connection disconnection short circuit fault Blinking Blinking Blinking U3 Test run not performed Blinking Blinking Blinking U5 Transmission error between the unit and remote controller Off Blinking Off U5 Setting error of remote controller inki Transmission error between main remote controller and Off Blinking Off U8 sub remote controller Off Blinking Blinking UA Incorrect combination w
57. leak interrupter which is designed for protecting again ground faults be sure to combine it with a wiring interrupter or an load switch that has a fuse The length of the transmission wiring and remote controller wiring are as follows Length of outdoor indoor transmission wiring max 1000m total wiring length 2000m Length of remote controller wiring between indoor unit and remote controller max 500m ELECTRICAL CHARACTERISTICS Units Power supply Fan motor Model Hz Volts Voltage range MCA MFA kW FLA VKMS50GAMV1 VKM50GAV1 4 3 15 0 28x2 1 9x2 VKM80GAMV1 VKM80GAV1 50 220 240v Max 261V 43 15 0 28x2 1 9x2 VKM100GAMV1 VKM100GAV1 4 3 15 0 28x2 1 9x2 MCA Min Circuit Amps A MFA Max Fuse Amps A kW Fan Motor Rated Output kW FLA Full Load Amps A I Ventilation Heat Reclaim Ventilation I HRV VKM GA M V1 9 Installation 9 9 Wiring Example and how to set the Remote Controller 9 9 1 Opening and Shutting the Electric Parts Box and Connecting the Wiring N CAUTION Be sure to power off before opening the electric parts box Remove the electric parts box lid and wire as shown in the figure below SS1 is the switch for setting the remote controller The unit will not run if the settings are changed Do not change the switch settings Factroy setting NOR H Space for installation of a
58. operation e Setting the master remote controller without the Ej display to cooling heating mode will make slave remote controllers with the 4 _ J display to follow to the mode of the master remote controller Selection of fan mode is possible however e Setting the master remote controller without the mj display to fan mode will make slave remote controllers with the 4 display any setting other than fan mode impossible Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 3 Operation Procedure 8 3 3 Programming Start and Stop of the System with Timer How to Program and Set the Timer with the Remote Controller BRC1A62 Refer to Figure 7 e The timer is operated in the following two ways Programming the stop time 3 The system stops operating after the set time has elapsed Programming the start time 3 The system starts operating after the set time has elapsed e The start and the stop time can be simultaneously programmed Press the timer mode start stop button ese several times and select the mode on the display e For setting the timer stop O e For setting the timer start Q Each time the button is pushed the indication changes as shown below No indication 4 Bw Qe 0O Br Press the programming time button and set the time for stopping or starting the s
59. option 96 4C1220T pe 1 t 7 tf Zk 4 Heat exchanger elements as pipe conection Air filters Liquid pipe conneeton Drainoutlet 26 4 PT3 4 male screw 3D051285 VKM80GAMV1 Supply air fan Damper plate Direct expansion coil Feed water tank Hanger bracket e 1688 1 4 14x40 oval hole NOTES Exhaust air fan mo 2 P Specifications are subject to change without notice PL Be sure to provide two inspection hatches L1450 or C1600 at g a ae the service side of filters and elements EA 5 4 Exhaust air to outdoors The high efficiency filter option can be attached to the SA T au surface of the heat exchanger elements E CSSA Supply air to room is OAL i A Fresh air from outdoors as r Pri 753 eg 8 E himm d E g Maintenance ct vel Humidifier 1 28 js ctor fran ype E Fspeclon r jnspection For humidifier M Maintenance space for the heat exchanger elements 7 L sed In case of 1450 inspection hatch 20 the air filters fans and humidifier 140 In case of 1600 inspection hatch a o 1764 89 A 515 Feed water connection port High efficiency filter option 220 102 96 4C12207 E yi p Heat exchanger element Ey m T l T connectioi Airfiters Liquid pipe connection Drain outlet 06 4 PT3 4 male screw 3D051286 I Ventilation e Heat Reclaim Ventilation 25 26 HRV VKM GAMV1 7 7 1 Product Specification
60. procured somewhere along the water supply piping that can be reached from the inspection It is impossible to connect the water supply piping directly to public piping use a cistern tank of the approved type if you need to get your water supply from public piping Make sure the supply water 0 02MPa to 0 49MPa 0 2kg cm to 5kg cm Make sure the supply water is between 5 C and 40 C in temperature nsulate the water supply piping to prevent condensation from forming Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air from forming nstall in a location where the air around the unit or taken into the humidifier will not drop below 0 C Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory n areas where freezing may occur always take steps to prevent the pipes from reezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 80 more or the exit of drain socket is choked up or the air filter is very dirty Feed clean water the supply water is hard water Use water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150mg L Life of humidifying elem
61. set to automatic mode e If you change this mode with BRC1A62 consult your dealer Press ventilation fan speed button if you wish to change the fan speed The display rotates through the following selections every time the button is pressed Low High e L H After the selection the ventilation fan speed display disappears And the fan speed of the combined air conditioner regularly displays Note e Above is available only if the remote controller BRC1D527 is connected with this unit e t is unnecessary to change four speed mode because the mode is already set to Low or High mode by the installer e If you want to know or change this mode with BRC1A62 consult your dealer Press the on off button The operation lamp lights up and the system starts operation Stopping the system Press start stop one more time The operation lamp will go off The unit will stop e After stopping operation the fan may continue operating for up to a minute e The fan may stop but this is not a malfunction Note e Do not turn off the power immediately after operation stops Wait at least 5 minutes Not waiting may cause leaking or malfunction e Do not change operations suddenly It can result not only in malfunction but also failure of switches or relays in the remote controller e Never press the button of the remote controller with a hard pointed object The remote controller may be damaged Ventilation Hea
62. supply fan is changed to intermittent operation when the temperature is lower than 10 C e The intermittent operation of the air supply fan is changed to an operation of each cycle for 45 minutes operation after stopping operation for 15 minutes e The exhaust fan operates continuously according to setup lt Step 2 gt e When the temperature becomes lower than 15 C the unit stops operation to prevent any defect such as dew condensation and freezing The unit does not ventilate But to detect the elevation of the outdoor air temperature the unit operates for 5 minutes per hour 5 7 7 The High Efficiency Filter that has 65 of Average Dust Collecting Efficiency is Suitable High efficiency filter Maintenance cover Name plate Control box High efficiency filter The side of heat exchanger element Install the high efficiency filter to meet the direction of the arrow of the name plate Install the high efficiency filter along the inside of the rail High efficiency filter 5 7 8 Additional Optional Accessories Built in optional high efficiency filter It greatly reduces the installation space The installation of access doors and the unit can be reduced 14 I Ventilation Ventilaci n con Recuperaci n de Calor HRV VKM GA M V1 6 Selection Procedures in Japan Various methods are used to calculate the required ventilating air flow rate according to CO2 generated by in
63. temperature even though the set temperature of VKM and indoor unit are the same Divert the module of indoor unit ee the module of total heat exchanger RIT RAT Thermistor for Thermistor for i liquid line E air v temperature x Ga RT P DX Coil Thermistor for outdoor air amp EA EUM 2 Thermistor or inlet air into DX coil R3T RUN m This thermistor exercises the control on the capacity electronic of heat exchanger by means of electronic expantion expantion valve in accordance with the difference between i valve detected temperature and set temperature In the case of automatic mode judgment on Taa gas operation mode cooling or heating is made temperature based on the detected temperature I Ventilation Heat Reclaim Ventilation I HRV VKM GA M V1 11 Appendix 11 1 Purpose of Ventilation Living environment and working environment as well can be polluted for various reasons which in turn will lead to hygienic problems and or lower productivity To avoid this the polluted air must be replaced with fresh air This operation is called ventilation To apply ventilation for removing pollution it is necessary to identify the causes of air pollution before studying corrective measures 11 1 1 Air Pollution E Dust There are about 7 500 22 000 dust particles in the air of one liter However if you feel dusty the number may have reached as m
64. the room Table 9 Effect of Oxygen O2 Concentration Concentration 95 Standard and effect of change in concentration About 21 Standard air 20 5 Ventilation shall have a target of not decreasing the O2 concentration by 0 5 or larger from the normal value Building Standard Act In the normal atmospheric pressure this small reduction in O2 concentration unlikely 20 19 affects our lives though in the case of using a combustion apparatus possible imperfect combustion may cause the CO concentration to increase quickly 18 Standard of Labor Safety and Health Law Oxygen Starvation Preventive Regulation 16 Concentration during breathing in normal cases 16 12 Increase number of pulses and breaths giddiness and headache 15 Combustion apparatuses will be put off 12 Possibility of death within a short time 7 Death W Humidity Humidity has a close relationship with our living environment Humidity is an additional parameter to be controlled by air conditioning systems It may give persons a feel of mild air if the temperature is relevant for the humidity Imbalance between the temperature and humidity especially higher humidity leads to discomfort A term that is frequently used in summer discomfort index indicates this imbalance between temperature and humidity Higher humidity causes buildings and furniture to rot Lower humidity causes our skins to dry and buildings and furniture to crack or warp Anot
65. type that can satisfy the abovementioned pressure requirement 11 3 2 Pressure Loss Calculation for Straight Duct W Forround ducts 1 The resistance of a duct can be calculated using the following equation Pressure drop AP due to the frictional resistance of a straight duct can be calculated using the following equation L Resistance of duct A P Pa x x a x V x 9 80665 Duct friction coefficient 0 01 0 25 Air specific gravity kg m 1 20 kg m Duct length m Duct diameter m Duct air velocity m sec Ve Q 4 wq 3 6007 Q Air flow m h cor x Where A 0 01 very smooth pipe and y 1 2 i5 do d P 0 01x 22 x OS XT XIE 36007 2 x 9 80665 Friction coefficient of major duct types Duct material Aluminum flexible duct 0 03 0 04 Vinyl chloride pipe 0 01 0 02 Galvanized steel pipe 0 016 0 025 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 3 Calculation of Duct Pressure Loss 11 3 2 Pressure Loss 1 Calculation for straight Duct Using the duct s friction resistance diagram Friction resistance diagram for round duct galvanized steel pipe Air flow Q mh 0 04 0 1 0 2 0 4 1 0 2 0 6 0 10 20 40 60 80 1000000 FS 800000 d 600000 5 400000 200000 100000 80000 60000 40000 20000 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 he 60 AX 40 20
66. unit is to be installed in a small room it is necessary to take proper measures so that the amount of any leaked refrigerant does not exceed the limiting concentration even when it leaks If the refrigerant leaks exceeding the level of limiting concentration an oxygen deficiency accident may happen Do not install the HRV unit at any place where flammable gas may leak out If the gas leaks out and stays around the unit a fire may break out Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire N CAUTION For installation Do not use the HRV unit or an air suction discharge grille in the following places a Place subjected to high temperature or direct flame Avoid a place where the temperature near the HRV unit and the air suction discharge air grille exceeds 40 C If the unit is used at high temperature deformed air filter and heat exchange element or burned motor result b Place such as kitchens or other places where oil fumes are present This may cause fire c Place such as machinery plant and chemical plant where gas which contains noxius gas or corrosive components of materials such as acid alkali organic solvent and paint is generated Place where combustible gas leakage is likely This may cause gas poisoning or fires d Place such as bathroom subjected to moisture Electric leak or electric shock and other failure can be caused e Locatio
67. valve Locally procured Drain valve Locally procured Refrigerant piping gas pipe A gradient of 012 7 flare connection more than 1 30 Strainer Refrigerant piping liquid pipe Accessory 06 4 flare connection Locally procured OAD Fresh air from outdoors EA SSS Exhaust air to outdoors L1450 600 Sloping downards at a inspection hatch gradient of the 1 100 Locally procured RO Suspension bolt a Locally procured RA SA Retum air from room Air discharge grille Locally procured Heat insulator Locally procured Air discharge grille Locally procured Supply air to room COND 11 12 13 14 15 NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements ans and humidifier elements can easily be inspected and serviced nstall the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the unit upside down Use city water of clean water Include water supply piping with straner a water supply shut off valve and a drain valve both locally
68. 000 hours under the supply water conditions of hardness 150mg l Life of humidifying element is about 1 year 1 500 hours under the supply water conditions of hardness 400mg l Annual operating hours 10 hours day x 26 days month x 5 month 1 300 hours Contact your dealer for details Note Breakage due to taking apart or cleaning inside by anyone other than our authorized dealers may not be included in the warranty m Moving and discarding the unit e Contact your dealer for removing and reinstalling the total enthalpy heat exchanger when moving house since they require technical expertise e This unit contains chlorofluorocarbon in the refrigent When discarding removing linstalling and maintaining the unit collect the refrigent in accordance with the local law for the global environmental destruction prevention In detail contact your dealer W Where to call For after sales service etc consult with your dealer W Warranty period Warranty period Within one year after installation e f itis necessary to repair the air conditioner within the warranty period contact your dealer C 3P130767 3F I Ventilation Heat Reclaim Ventilation 81 82 9 9 1 HRV VKM GA M V1 Installation HRV Heat Reclaim Ventilation Please read this installation manual carefully and install the unit properly to keep it at full capacity for a long time Please provide some necessary parts for example round hoods air
69. 1311 NOTES On attached the unit 4 When connecting the input wires from outside forced off or on off control operation can be selected by remot control in details refer to the In case of installation manual attached the unit 5 Donotremove the short circuit connectors of X8A and X9A The unit will not run if they are removed o 7 Use copper conductors only SS1 A1P has already been set to nor at factory set The unit will not run if the setting are changed In case of using central remote control connect it to the unit in accordance with the attached instruction manual In case using wiring adapter connect it to the unit in accordance with the attached installation manual When connecting the input wires from outside fresh up control operation can be selected by remot control in details refer to the installation manual I Ventilation Heat Reclaim Ventilation 7 l HRV VKM GAV1 Product Specification 7 2 VKM GAV1 7 2 7 2 6 Sound data 6 1 Sound pressure spectrum VKM50GAV1 z TOO TOT S808 VKM50GAYT 70 0 0002ubar amp o 50 49 30 Octave band sound pressure level dB 0dB 20 Approximate threshold hearing for continuous noise 63 125 250 500 1000 2000 4090 Boe Octave band center frequency Hz VKM50GAV1 50Hz 230V YKM5 8 30 Octave band sound pressure leve
70. 14 15 NOTES Leave space for servicing the unit and include inspection hatch Always open a hole on the side of the control box so that the air filters heat exchange elements fans and humidifier elements can easily be inspected and serviced Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the unit upside down Use city water of clean water Include water supply piping with straner a water supply shut off valve and a drain valve both locally procured somewhere along the water supply piping that can be reached from the inspection It is impossible to connect the water supply piping directly to public piping use a cistern tank of the approved type if you need to get your water supply from public piping Make sure the supply water 0 02MPa to 0 49MPa 0 2kg cm to 5kg cm Make sure the supply water is between 5 C and 40 C in temperature Insulate the water supply piping to prevent condensation from forming Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air from forming Install in a location where the air around the unit or taken into the humidifier will not drop below 0 C Do not u
71. 2 Refrigerant W R 410A Saturation pressure gauge pressure chart I e Ventilation Heat Reclaim Ventilation 141 DAIKIN HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 2 Refrigerant W Thermodynamic characteristics of R 410A wrest vue Temperature Steam pressure Density Specific heat at constant Specific enthalpy Specific entropy C kPa kg m pressure kj kgK ki kg kj kgK Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor 70 35 17 2 1410 7 40 82 F 1404 7 ABER i 14986 51 73 1302 5 BR s 3B amp RT 3B 2 T2 3H 1374 0 20 67 BOS 1367 5 a4 i 1301 5 oa Le T 1255 3 100 8 103 6 pud im i i 114 8 11T 4 120 1 122 3 128 7 101 22 A 1354 0 157 125 3 ta kaia ia ia Eg ba bd oo 3 3 3 E Ee RO E ipR noH 103 55 1045 0 i T5n 128 5 121 07 ii 1342 7 Eer 131 2 133 58 ER 1335 3 a TES 124 0 146 51 1230 0 138 150 89 1323 6 i n 178 24 8 347 0 7 TAE 142 4 193 71 1310 8 145 3 210 37 1304 0 2T8 i 148 1 228 25 1297 3 mof i 150 9 249 48 f p 250 B mE f 53 8 3 ae a se SR 5 ua HEEEEFE eee eee in 271 01 1283 9 1 26 LES ZU 3 pzrt i A 155 3 JaA MTR ero e s bed 344 44 1283 3 1 j 65 4 WIG 37D 1256 2 14 25 E L6g
72. 20A Connector relaying wire MP Printed circuit board KSR Magnetic relay Y1S YiE Electronic expansion valve A2P Printed circuit board M1D Motor damper motor Y2S Feed water solenoid valve A3P Printed circuit board adapter for wiring MiF Motor supply air fan C1 C2 Capacitor M1F RIT Thermistor indoor air Optional accessories F1U Fuse 10A 250V ATP R2T Thermistor outdoor air Wired remote control F1U Fuse 5A 250V A2P R3T Thermistor inlet air into coil SS1 Select switch main sub F1U F2U Fuse 5A 250V A3P RAT R5Y Thermistor liquid gas pipe of coil F1UT F2UT Thermo switch S1L Float switch humidifier Adaptor PC board for wiring KRP50 2 152 C M1F M2F built in 1Q Limit switch damper motor Ry1 Magnetic relay operation stop HAP Light emitting diode S81 Selector switch for especially use ATP Ry2 Magnetic relay for humidifier operation service monitor green ATP SS1 Selector switch humidistat input A3P Tes10 Terminal block for external output HAP Light emitting diode TIR Transformer 220 240V 22V Connector for optional parts service monitor green A2P T2R Transformer 220 240V 22V X11A Connector adapter power supply ATP KTR K3R Magnetic relay M1F ATP X1M Terminal block power supply X18A Connector wiring adapter for electrical KAR K6R Magnetic relay M2F ATP X1M X2M Terminal block control A3P appendices A2P K7R Magnetic relay M1D A1P X2M Terminal block con
73. 36 57 8 seal 30 2 59 138 2 18 1 8 138 58 9 0 32 0 60 140 0 20 67 140 60 0 1 33 8 61 141 8 22 5 6 142 61 1 2 35 6 62 143 6 24 44 144 62 2 3 37 4 63 145 4 26 33 146 63 3 4 39 2 64 147 2 28 22 148 64 4 5 41 0 65 143 0 30 150 65 6 6 42 8 66 150 8 32 0 0 152 66 7 7 44 6 67 152 6 34 Val 154 67 8 8 46 4 68 154 4 36 22 156 68 9 9 48 2 68 156 2 38 3 3 158 70 0 10 50 0 70 158 0 40 44 160 71 1 11 51 8 71 159 8 42 5 6 162 72 2 12 53 6 72 161 6 44 6 7 164 73 3 13 554 73 163 4 46 7 8 166 74 4 14 57 2 74 165 2 48 8 9 168 75 6 15 59 0 75 167 0 50 10 0 170 76 7 16 60 8 76 168 8 52 11 1 172 77 8 17 62 6 7 170 6 54 12 2 174 78 9 18 64 4 78 172 4 56 13 3 176 80 0 19 66 2 79 174 2 58 14 4 178 81 1 20 68 0 80 176 0 60 15 6 180 82 2 21 69 8 81 177 8 62 16 7 182 83 3 22 71 6 82 179 6 64 17 8 184 84 4 23 73 4 83 181 4 66 18 9 186 85 6 24 75 2 84 183 2 68 20 0 188 86 7 25 77 0 85 185 0 70 21 1 190 87 8 26 78 8 86 186 8 72 22 2 192 88 9 27 80 6 87 188 6 7A 23 3 194 90 0 28 82 4 88 180 4 76 24 4 196 91 1 29 84 2 88 192 2 78 25 6 198 92 2 30 86 0 90 194 0 80 26 7 200 83 3 31 87 8 91 195 8 82 27 8 202 94 4 32 89 6 92 197 6 84 28 9 204 95 6 33 91 4 93 198 4 86 30 0 206 96 7 34 93 2 94 201 2 88 31 1 208 97 8 35 95 0 95 203 0 90 32 2 210 98 9 36 96 8 96 204 8 92 33 3 212 100 0 37 98 6 97 206 6 94 34 4 214 101 1 38 100 4 98 208 4 96 35 6 216 102 2 39 102 2 99 210 2 98 36 7 218 103 3 40 104 0 100 212 0 100 37 8 220 104 4 A 105 8 101 213 8 102 38 9 222
74. 4 6 2 34 33 0 52 33 5 6 3 3 6 0 34 6 1 3 3 6 3 3 2 35 0 52 3 3 5 6 3 3 5 9 3 3 6 0 3 3 6 2 32 37 0 52 33 5 6 3 3 5 8 3 3 5 9 3 2 6 1 3 1 39 0 52 33 5 6 3 3 5 7 3 3 5 8 3 2 6 0 3 1 Notes 1 Cooling and heating capacities are based on the following conditons Fan is based on High and Ultra high The figures in the parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use the following figures VKM50GAV1 3 5kW VKM80GAV1 5 6kW VKM100GAVA 7 0kW I Ventilation e Heat Reclaim Ventilation 42 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 3 Capacity tables 7 2 3 2 Heating capacity tables VKM GA M Capacity Outdoor Coil Inlet air temp CDB aes Eon CDB CWB 16 0kW 18 0kW 20 0KW 21 0kW 22 0kW 24 0kW 14 7 15 0 2 2 2 2 12 6 13 0 2 3 2 3 10 5 11 0 24 24 9 5 10 0 2 5 2 4 8 5 9 1 2 5 2 5 7 0 7 6 2 6 2 6 2 7 5 0 5 6 2 7 2 7 2 7 50 2 8kW 3 0 3 7 2 8 2 8 3 0 3 0 index 25 0 0 0 7 3 0 3 0 3 1 3 1 3 0 22 3 1 3 1 3 2 3 1 3 0 5 0 4 1 3 3 3 2 3 2 3 1 3 0 7 0 6 0 3 4 3 4 3 2 31 3 0 9 0 7 9 3 5 3 4 3 2 3 1 3 0 11 0 9 8 3 6 3 4 3 2 3 1 3 0 2 8 13 0 11 8 3 6 34 32 3 1 3 0 2 8
75. 5 10 15 20 25 30 35 40 Dry bulb temperature CDB 5 3 4 Operations Such as Cleaning Ventilation Cooling Heating and Humidifying are Possible with One Remote Controller Four air conditioner functions can be managed using a single remote control This makes it easy to obtain high quality and energy efficient outdoor air treatment The VRVIII outdoor unit HRV VKM Link connection During group control operation the unit has a capacity Indoor unit equivalent to two standard indoor units Up to 16 standard remote control indoor units can be connected at once Control of the HRV VKM type indoor unit is managed using the remote control of the standard indoor units connected I Ventilation Ventilaci n con Recuperaci n de Calor 10 5 5 4 5 4 1 5 6 5 6 1 l HRV VKM GA M V1 Features Unique Control System Independent Control Possible Individual outdoor air treatment operation is irem possible by connecting an optional remote controller The VRVIII outdoor unit HRV VKM HRV VKM Indoor unit remote control Quiet Operation Reduced pressure loss and quieter operation internally lowers the noise output of the 1 000m h type system to 38dB VKM100GAMV1 at 50Hz 240V High mode Easy Installation Integr
76. 7 0kW I Ventilation Heat Reclaim Ventilation l HRV VKM GAV1 Product Specification 7 2 VKM GAV1 2 3 Capacity tables 7 2 3 3 Capacity correction factor 1 2 14 1 09 08 50 Less than 50 07 70 0 6 Heat exchange 90 efficiency 05 Supply air flow rate Exhaust air flow rate 4D023764 I Ventilation e Heat Reclaim Ventilation 43 44 7 7 7 l HRV VKM GAV1 Product Specification 2 VKM GAV1 2 4 Dimensional drawing amp centre of gravity 7 2 4 1 Dimensional drawing VKM50GAV1 Supply air fan Damper plate Direct expansion coil Hanger bracket 387 41440 oval hole I NOTES oe 1088 V 235 Exhaust air fan 1 160 spe as p X 1 Specifications are subject to change without notice g Jj PT f 2 Be sure to provide two inspection hatches L1450 or 1600 at j A MI Retur air from room hy the service side of filters and elements S4 Exhaust air to outdoors Sg 210 A g f al FN 3 The high efficiency filter option can be attached to the SA A ES di E m e surface of the heat exchanger elements
77. 799 0 064799 0 0 64799 1 28349 5 28 34954 0 028349 437 5 453592 453 592 0 45359 7000 0 0 22857 0 0314286 I Ventilation Heat Reclaim Ventilation 133 134 I HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 1 Unit converion tables Length m km ft yd 1 0 001 3 2809 0 033048 1 0 33333 0 031894 0 91438 0 049144 3 0 035682 1609 31 1 60931 m 1760 Flow rate lsec l min m hr m min m sec British U S ft hr ft min ft sec gal min gal min i 1 e 0 06 0 001 13 197 15 8514 1127 14 2 119 0 035317 0 01666 0 06 40 001 0 0 16666 0 21995 0 26419 2 119 jns 0 0 5886 0 27777 116 666 1 0 016666 0 0527777 3 66583 4 40316 35 3165 ieee 0 029801 16 666 1000 60 1 0 016666 219 95 264 19 2119 35 3165 0 058861 1000 60x10 3600 J60 1 13198 145851 127150 2119 735 3165 4 5465 0 27279 0 0245465 0 0475775 1 1 20114 19 6342 0 16057 0 0 2676 0 063086 3 7852 0 2271 0 0 37852 0 063086 0 83254 8 0208 o 13368 0 02228 0 47188 0 028315 0 047188 0 0 78647 0 103798 0 12467 11 0 016666 0 0327777 28 3153 1 6989 0 028315 10 0447188 6 22786 7 48055 160 1 lo 016666 28 3153 101 935 11 6989 0 028315 373 6716 448 833 3600 60 1 Note 0 0 1 0 00001 Ventilation Heat Reclaim Venti
78. 8 12 2 1 20 73 5 5 0 03 0 4 355 2 45 25 0 0 4 0 04 5 7 12 4 1 22 76 3 10 0 07 0 7 360 2 48 25 3 0 6 0 06 8 5 12 6 1 23 179 2 15 0 10 1 1 365 2 52 25 7 0 8 0 08 114 12 8 1 25 182 0 20 0 14 14 370 2 55 26 0 1 0 0 10 14 2 13 0 1 27 84 9 25 0 17 1 8 375 2 58 26 4 1 2 0 12 17 1 13 2 1 29 87 7 30 0 2 24 380 2 62 26 7 14 0 14 19 9 13 4 1 31 190 5 35 0 24 25 385 2 65 27 1 1 6 0 16 22 8 13 6 1 33 93 4 40 0 27 2 8 390 2 68 274 1 8 0 18 25 6 13 8 1 35 96 2 45 0 3 3 2 395 2 72 27 8 2 0 0 20 28 4 14 0 1 37 199 1 50 0 34 3 5 400 2 76 28 1 2 2 0 22 31 3 14 2 1 39 201 9 55 0 38 3 9 405 2 79 28 5 24 0 23 34 1 144 1 41 204 8 60 0 4 4 2 410 2 83 28 8 2 6 0 25 37 0 14 6 1 43 207 6 65 0 45 4 6 415 2 86 29 2 2 8 0 27 39 8 14 8 1 45 210 5 70 0 48 4 9 420 2 90 29 5 3 0 0 29 42 7 15 0 1 47 213 3 75 0 5 5 3 425 2 93 30 0 3 2 0 31 45 5 15 2 1 49 216 1 80 0 55 5 6 430 2 97 30 2 3 4 0 33 48 3 15 4 1 50 219 0 85 0 59 6 0 435 3 00 30 6 3 6 0 35 51 2 15 6 1 53 221 8 90 0 62 6 3 440 3 03 30 9 3 8 0 37 54 0 15 8 1 55 224 7 95 0 66 6 7 445 3 07 31 3 4 0 0 39 56 9 16 0 1 57 227 5 100 0 69 7 0 450 3 10 31 6 4 2 0 41 59 7 16 2 1 58 230 4 105 0 72 74 455 3 14 32 0 44 0 43 62 6 16 4 1 61 233 2 110 0 76 77 460 3 17 32 3 4 6 0 45 65 4 16 6 1 63 236 1 115 0 79 8 1 465 3 20 32 7 4 8 0 47 68 3 16 8 1 65 238 9 120 0 83 8 4 470 3 24 33 0 5 0 0 49 714 17 0 1 67 241 7 125 0 86 8 8 475 3 28 33 4 5 2 0 51 73 9 17 2 1 69 244 6 130 0 89 9 1 480 3 31 33 7 5 4 0 53 76 8 17 4 171 247 4 135 0 93 9 5 485 3
79. 84 34 1 5 6 0 55 79 6 17 6 1 72 250 3 140 0 97 9 8 490 3 38 34 5 5 8 0 57 82 5 17 8 1 74 253 1 145 1 00 10 2 495 3 41 34 8 6 0 0 59 85 3 18 0 1 76 256 0 150 1 03 10 5 500 3 45 35 2 6 2 0 61 88 2 18 2 1 78 258 8 155 1 07 10 9 505 3 48 35 5 6 4 0 63 91 0 18 4 1 80 261 6 160 1 10 11 2 510 3 52 35 9 6 6 0 65 93 9 18 6 1 82 264 5 165 1 13 11 6 515 3 55 36 2 6 8 0 67 96 7 18 8 1 84 267 3 170 147 12 0 520 3 59 36 6 7 0 0 69 99 5 19 0 1 86 270 2 175 1 21 12 3 525 3 62 36 9 72 0 71 102 4 19 2 1 88 273 0 180 1 25 12 7 530 3 65 37 3 74 0 73 105 2 19 4 1 90 275 9 185 1 28 13 0 535 3 69 37 6 7 6 0 74 108 1 19 6 1 92 278 7 190 1 31 13 4 540 3 72 38 0 78 0 76 110 9 19 8 1 94 281 6 195 1 34 13 7 545 3 76 38 3 8 0 0 78 113 8 20 0 1 96 284 4 200 1 38 14 1 550 3 79 38 7 8 2 0 80 116 6 20 2 1 98 287 2 205 1 44 14 4 555 3 83 39 0 8 4 0 82 119 4 20 4 2 00 290 1 210 1 45 14 8 560 3 86 39 4 8 6 0 84 122 3 20 6 2 02 292 9 215 1 48 15 1 565 3 90 39 7 8 8 0 86 125 1 20 8 2 04 295 8 220 1 52 15 5 570 3 93 40 0 9 0 0 88 128 0 21 0 2 06 298 6 225 1 55 15 8 575 3 97 40 4 9 2 0 90 130 8 21 2 2 08 301 5 230 1 59 16 2 580 4 00 40 8 9 4 0 92 133 7 21 4 2 10 304 3 235 1 62 16 5 585 4 03 41 1 9 6 0 94 136 5 21 6 2 12 307 2 240 1 66 16 9 590 4 07 41 5 9 8 0 96 139 4 21 8 2 14 310 0 245 1 69 17 2 595 4 10 41 8 10 0 0 98 142 2 22 0 2 16 312 8 250 1 72 17 6 600 4 14 42 2 10 2 1 00 145 0 22 2 2 18 315 7 255 1 76 17 9 605 447 42 5 10 4 1 02 147 9 22 4 2 19 318 5 260 1 79 18 3 610 4 21 42 9 10
80. 87 387 387 Width mm 1764 1764 1764 Depth mm 832 1214 1214 Weight kg 96 109 114 Heat exchanger Rows 2 2 2 Stages 12 12 12 Fin pitch mm 2 2 2 2 2 2 Face area m 0 078 0 118 0 165 Fan Type Sirocco fan Air Flow Rate Heat exchange Ultra high m 500 750 950 mode High m 500 750 950 Low m 440 640 820 Bypass mode Ultra high m 500 750 950 High m 500 750 950 Low m 440 640 820 Fan External static Ultra high Pa 180 170 150 pressure High Pa 150 120 100 Low Pa 110 80 70 Motor Quantity 2 2 2 Output W 280 280 280 Temperature Ultra high 76 78 74 exchange efficiency High 16 78 74 Low 77 5 79 76 5 Enthalpy exchange Cooling Ultra high 64 66 62 efficiency High 64 66 62 Low 67 68 66 Heating Ultra high 67 71 65 High 67 71 65 Low 69 73 69 Operation Range Outdoor air 15 15 15 Heat exchange Sound Pressure Ultra high dBA 38 38 5 39 40 41 41 5 40 40 5 41 mode High dBA 36 36 5 37 37 5 38 39 38 38 5 39 Low dBA 33 5 34 5 35 5 34 5 36 37 35 36 36 5 Bypass mode Sound Pressure Ultra high dBA 38 38 5 39 40 41 41 5 40 40 5 41 High dBA 36 36 5 37 37 5 38 39 38 38 5 39 Low dBA 33 5 34 5 35 5 34 5 36 37 35 36 36 5 Piping connection Liquid Type flare connection Diameter mm 6 4 6 4 6 4 Gas Type flare connection Diameter mm 12 7 12 7 12 7 Drain PT3 4 external thread Refrigerant control electronic expansion valve Insulation material Self extinguishable urethane foam Heat exchange system Air to air cross flow total heat sensible latent heat exchange
81. Allowable concentration for general cases sl 0 10 adopted by the Building Standard Act and within a hypothesis that the Building Control Act physical and scientific properties of the air will 0 15 Allowable concentration for ventilation become worse with the calculation increase in the concentration of CO2 not based on its own 0 2 0 5 Worse result harmtulness 0 5 or larger Worst result 0 5 Long term safety limit US Labor Health ACGIH Labor Office Rule 2 30 increase in breathing depth and air amount inhaled 3 Lower working performance change in physiological functions and twice larger number of breaths 4 Concentration for normal breathing Stimulates the respiratory center for taking a deeper breath and increasing the 4 5 number of breaths longer breathing time is a sign of danger O2 starvation will raise the possibility of physical disorder outbreak earlier than usual 8 10 minute breathing will result in serious difficulty in breathing hectic cheeks and headache O2 starvation will enhance the possibility of this disorder 18 and larger Lethal W Sulfurous acid gas Volcano exhaust automobile exhaust or oil fuel combusted gas and mist contain sulfurous acid gases in the form of being adhered or absorbed onto suspended dust particles These gases are a possible cause of chronic bronchitis or other respiratory diseases W Nitrogen oxides Nitrogen oxides NOx include NO NO2 NO3 N2O N2O3 and N204 Of these NO and NO2 are harm
82. C93 KRP4A93 KRP1B101 KRP1B101 Notes 2 3 Notes 2 3 Notes 5 Notes 3 Notes 2 3 Notes 4 6 Notes 4 6 notes 1 Installation box x is necessary for each adapter marked 2 Upto 2 adapters can be fixed for each installation box 3 Only one installation box can be installed for each indoor unit 4 Up to 2 installation boxes can be installed for each indoor unit 5 Installation box is necessary for second adapter 6 Installation box x is necessary for each adapter 7 3 1 Necessary when operating HRV VKM independently When operating interlocked with other air conditioners use the remote control of the air conditioners VKM GA MV1 50 80 100 Silencer Nominal pipe diameter mm 0250 8 5 Air suction White K DGL200B K DGL250B 3 5 Discharge grill Nominal pipe diameter mm 9200 9250 High efficiency filter KAF241G80M KAF241G100M Air filter for replacement KAF242G80M KAF242G100M Flexible duct 1m K FDS201C K FDS251C Flexible duct 2m K FDS202C K FDS252C eges BE mr i m oon om om Remote Control Centralised remote control Unified ON OFF controller Schedule timer ry q b EF E Silencer Air suction discharge grille Flexible duct Noise suppression type Noise suppression type I e Ventilation Heat Reclaim Ventilation HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 3 Capacity tables 7 2 3 1 Cooling capacity tables
83. Cooling mode HRV HRV Heat exchange mode Heat exchange mode VRV VRV Fan mode Fan mode HRV HRV Heat exchange mode VRV Stopping HRV Heat exchange mode Note 2 i EHAS Heat exchange mode Current Ventilation mode can be visible and selected on the remote controller Ventilation Heat Reclaim Ventilation B UE Sy 65 66 I HRV VKM GA M V1 8 Operation 8 2 Safety Cautions 8 2 4 About Direct Duct Connection Sysrtem Example 2 In case of the remote controller BRC1A62 Display changes as below When air conditioner and HRV unit are not connected via duct Operation mode fyc When air conditioner and HRV unit are connected via duct Operation mode 1 VRV VRV Cooling mode m Cooling mode ES H RV F vx CONDITIONER H RV F d minn Heat exchange mode Heat exchange mode VRV VRV Fan mode Fan mode HRV HRV Heat exchange mode Heat exchange mode VRV Stopping HRV Heat exchange mode AIR CONDITIONER Note Current Ventilation mode doesn t be displayed e When the display shows Ee time to clean air filter ask a qualified service person to clean the filters Refer to the chapter MAINTENANCE I Ventilation Heat Reclaim Ventilation L PAIKIN HRV VKM GA M V1 8 Operation 8 2 Safety Cautions 8 2 5 Nighttime Free Cooling Ope
84. EEDENO8 205 Uone nusA VKM GMV 1 VKM GV1 VKM GMV 1 VKM GV1 l HRV VKM GA M V1 TABLE OF CONTENTS 1 External Appearance sssssssssem 3 2 Model Series opos ceti so ete SAM DERE en 3 3 Nomenclature tacto oU ate ett ee teet et 4 4 SUCU ES eoo dena caia de Rau Ad hernia duda M Moe dele 4 5 Falle irunia sequ A hoe 5 General cox set iaso e a AR a A reese a 5 Design EIgxibIliby Jo Soleat peau ton aan pa D rtm es 6 Energy Sea o 7 Unique Control System ess 10 Quiet Operation 241i adde dius dia debeat bd bade Pelo oid fbteedhet 10 Easy Installation 4 ec t ot ente xb 10 Other Features v uu oer i o DP Peu P o D RS 11 6 Selection Procedures in Japan 15 7 Product Specification eraan 17 VKM GAMV T kranni ert Red geo ote t o DR em tos 17 Mme vigne cR 37 8 OS TAUOM a otc pecescrteans deca renr seaward a A MEL edd 56 Safety Cautions esee i dcebadder bebe dde eera eeen 59 What to do before Operation iia 62 Operation Procedure i2 ev o a P oe Ce P oett s 68 Optimum Operation ut tester tet ees kh o pit exer Er YS 73 Maintenance for a Qualified Service Person only 74 Trouble Shooting iso a ted a atta vade cleans 77 After sales Service and Warranty 00 0 ccceeee eee 80 9 Installation MEN i 82 Before Installation ssssssssm e 82 Selecting Installation Site 5 4 1 ree eet tea 84
85. Inlet air temp CDB Class Outdoor 14 0WB 16 0WB 18 0WB 19 0WB 20 0WB 22 0WB 24 0WB DX Coil CDB 20 0DB 23 0DB 26 0DB 27 0DB 28 0DB 30 0DB 32 0DB Only TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC 10 0 1 9 15 2 3 1 8 2 6 2 0 2 8 2 0 12 0 1 9 1 5 23 1 8 2 6 2 0 2 8 2 0 14 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 16 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 18 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 20 0 1 9 1 5 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 21 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 50 2 8kW 23 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 3 2 1 index 25 25 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 3 2 0 27 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 32 2 0 29 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 2 2 0 31 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 1 2 0 33 0 2 3 1 8 2 6 2 0 2 8 2 0 3 0 2 0 3 1 2 0 3 1 1 8 35 0 2 6 2 0 2 8 2 0 3 0 2 0 3 0 1 9 3 1 1 8 37 0 2 6 2 0 2 8 2 0 2 9 2 0 3 0 1 9 3 0 1 8 39 0 2 6 2 0 2 8 2 0 2 9 2 0 2 9 1 9 3 0 1 8 10 0 3 0 2 1 3 6 24 4 2 2 7 4 5 27 12 0 3 0 24 3 6 24 4 2 2 7 4 5 2 7 14 0 3 0 24 3 6 24 4 2 2 7 4 5 2 7 4 8 33 16 0 3 0 24 3 6 24 4 2 2 7 4 5 2 7 4 8 2 8 18 0 3 0 24 3 6 24 4 2 2 7 4 5 2 7 4 8 28
86. Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air from forming Install in a location where the air around the unit or taken into the humidifier will not drop below 0 C Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory In areas where freezing may occur always take steps to prevent the pipes from freezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 80 more or the exit of drain socket is choked up or the air filter is very dirty Feed clean water the supply water is hard water Use water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150mg L Life of humidifying element is about 1 year 1500 hours under the supply water conditions of hardness 400mg L 3D051320 Ventilation e Heat Reclaim Ventilation 35 36 HRV VKM GAMV1 7 Product Specification 7 1 7 1 9 Installation 7 1 9 1 VKM GAMV1 Installation method VKM100GAMV1 Heat insulator Locally procured 888 A Air suction grille Air discharge grille Locally procured Locally procured 1688
87. Over All dB U H H L B G N is already rectified A 37 5 35 5 33 Power source Single phase 50Hz 230V Model VKM50GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone bum VKM50GAMV1 SiG Wey TS ISS WT Tey eT sus 50g 240Y VKM50CAMVI 0 0002ubar so so E 30 Octave band sound pressure level dB 0dB proximate threshold hearing for continuous noise 83 125 25 500 1090 2000 000 8000 Octave band center frequency Hz 4D051304 Notes Scale Air flow rate 1 Over All dB U H H L B G N is already rectified A 38 36 34 2 Operating conditons Power source Single phase 50Hz 240V Model VVM50GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microph
88. Perform duct work keeping the following things in mind e Do not connect the ducts as shown in Fig 15 a Exterme bend b Multi bend c Reduce the diameter d a bend right next Do not bend the of the duct to be to the outlet duct over 90 connected 4 a m WNR BA Do not reduce the duct diameter halfway Fig 15 e The minimal radius of bends for flexible ducts are as follows 200 mm duct 300mm diameter 250 mm duct 375mm diameter e To prevent air leakage wind aluminum tape round the section after the duct connecting flange and the duct are connected Refer to Fig 16 e To prevent short circuit install the opening of the indoor air intake as far as from the opening of the exhaust suction e Use the duct applicable to the model of unit used Refer to the installation drawing e Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water Also provide insulation for three ducts Outdoor ducts and Indoor supply air duct to prevent dew condensation Material Glass wool of 25mm thick Refer to Fig 16 e Ifthe level of temperature and humidity inside the ceiling is always high install a ventilation equipment inside the ceiling e Insulate the duct and the wall electrically when a metal duct is to be penetrated through the metal lattice and wire lattice or metal lining of a wooden structure wall e Using flexible or sile
89. RING OFF 9 accessory COO CO COT 9 Remote controller wiring Transmission wiring Fig 18 PRECAUTIONS e Refer to the Remote Controller Installation Manual on how to install and lay the wiring for the remote controller e Do not under any circumstances connect the power wiring to the remote controller or transmission wiring terminal block Doing so can destroy the entire system e Connect the remote controller and transmission wiring their respective terminal blocks 9 9 4 Wiring for the Humidity Regulator Locally Procured VKM GAMV series only e Pass into the electric parts box together with the power wire through the power wiring through hole e Remove the short circuit wires 1 and 2 on the X1M terminal block and connect the wiring for the humidity regulator e Secure with cramping material together with the power wire Refer to Fig 17 1 Wiring specifications Sheathed wire 2 wire Size 0 75 1 25mm Length MAX 100m External contact specifications Normally closed contact Current tolerance 10mA 0 54 CAUTION VKM GAMV1 series only e f using humidistat install one per HRV unit Controlling more than one HRV unit with a single humidity controller may prevent normal humidity operation and cause water leakage etc 9 9 5 Wiring Example This unit can be used as pa
90. RP1B61 KRP1B57 Installation box for adapter PCB sx KRP1B96 KRP1D98 KRP4A91 KRP1C93 KRP4A93 KRP1B101 KRP1B101 Notes 2 3 Notes 2 3 Notes 5 Notes 3 Notes 2 3 Notes 4 6 Notes 4 6 notes 1 Installation box is necessary for each adapter marked 2 Up to 2 adapters can be fixed for each installation box 3 Only one installation box can be installed for each indoor unit 4 Up to 2 installation boxes can be installed for each indoor unit 5 Installation box xx is necessary for second adapter 6 Installation box xx is necessary for each adapter 7 3 1 Necessary when operating HRV VKM independently When operating interlocked with other air conditioners use the remote control of the air conditioners VKM GA MV1 50 80 100 Silencer E Nominal pipe diameter mm 0250 S 5 Air suction White K DGL200B K DGL250B 3 5 Discharge grill Nominal pipe diameter mm 2200 9250 High efficiency filter KAF241G80M KAF241G100M Air filter for replacement KAF242G80M KAF242G100M Flexible duct 1m K FDS201C K FDS251C Flexible duct 2m K FDS202C K FDS252C rn em EXE ERES Ventilation Heat Reclaim Ventilation 21 l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 3 Capacity tables 7 1 3 1 Cooling capacity tables 22 VKM GA M TC Total capacity kW SHC Sensible heat capacity kW Capacity Coil
91. Silencer 2 Flexible duct 3 Sound eliminating air suction discharge grille If the above accessories do not give satisfactory effect or when an attic installed cassette type model is used take the following measure Fig 4 HC0059 1 Apply a sound absorbing material to the interior of the room 2 7 3 Effect of Remedy for Sound Caution 1 Be sure to connect a flexible duct 2 m to an outlet of the main body in the indoor air supply side 3 To reduce the air flow sound heard from the air discharge outlet suction inlet of an attic installed duct type model use a small diameter flexible duct which excels in sound absorptivity for greater sound reduction effect 1 Branched duct for letting air flow through two ducts to slow down its speed before it reaches the air discharge outlets sunction inlets Fig 5 0 09 rot E HC0060 2 Flexible duct Installation of the unit with the source of its operating sound located at a corner of a room will be a partially effective sound reduction measure it will keep persons in the center of the room free from the annoying operating sound with those in the corner of the room kept annoyed by the operating sound To avoid this try to find the best installation place from which the operating sound is least heard by everyone in the room Do not connect a spiral d
92. The purpose of this is to maintain the amount of ventilation and humidifying The change of air discharge grill s location should be examined when the cold draft from air discharge grill is feared Though the fan can be stopped by the setting of remote controller Do not stop the fan in the place where no ventilation by stopping the fan may cause the influence of diffusion of air which it is dirty and moisture into another room or the inflow from outside the room outflow such as viruses from the sickroom or smell leakage from the rest room etc 2 See below for details on the external input terminal function SECOND Input Fan Operation CODE NO contact operation lamp 01 a Operation On Fresh up operation 02 a Operation On Malfunction code 60 is displayed 06 a Operation On Fan strength up Low to High High to Ultra High SECOND CODE NO 04 does not function when in air conditioner linked mode Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 10 Field Setting and Test Run 9 10 2 Perform a Test Run according to the Outdoor Unit s Installation Manual 1 Make sure the electric parts box of the unit is closed before turning on power 2 Make a test run following the operation manual of the outdoor unit e The operation lamp of the remote controller will flash when an malfunction occurs Check the malfunction code on the liquid crystal display to ide
93. The schedule timer action programmed for the current day are only valid for the selected day use the confirm last action and go to next day function by pressing the e button for 5 seconds a Program mode is quit and depending on the choice made the programmed actions are saved for Monday and possibly Tuesday PROGRAMMING THE OTHER DAYS OF THE WEEK Programming the other days of the week is identical to programming the first day of the week TUE is blinking to indicate the selected day and 1 are steady if actions were copied from Monday to Tuesday only QD is displayed if no actions were copied from Monday to Tuesday Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 3 Operation Procedure 8 3 3 Programming Start and Stop of the System with Timer Note The schedule timer will not control fan speed control air flow direction control ventilation mode control ventilation amount change the operation mode for a scheduled setpoint The parameters listed above can be set manually without interfering with the schedule timer 8 4 Optimum Operation Observe the following precautions to ensure the system operates When the display shows EE ask a qualified service person to clean the filters Refer to MAINTENANCE Do not operate the HRV unit in Bypass mode when the room air is under heating in winter or when the outside temperature is 30 C or higher This m
94. V 5m VI 9m Total 19m Calculate from the equivalent straight pipe length le and air flow Q gt Example Equivalent straight pipe length 19 m Air flow 120 m h To find a ventilating fan that can satisfy these requirements find the intersection of the pipe resistance curve for le 19 m and the static pressure air flow characteristics curve and then draw a vertical line through the intersection A until it each the abscissa The intersection B of the vertical line and abscissa shows the required air flow capacity of the fan In this case the fan rating capacity should be greater than 120 m3 h Static pressure air flow characteristics curve 50Hz 60Hz m 70 9 15m 8 o 2 S I 10m 5 Y 2 A Z a To 5m amp ze X 0 50 100 Biso 200 Air flow m h I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 4 Notes for Ducted Systems To connect the ventilation duct to a common multipurpose Smoke reverse flow duct use a 2 m long steel leading duct or smoke reverse flow prevention damper prevention damper per the regulations for the Building Standard Act In the latter case an inspection port should be installed on the ceiling so that the damper can be accessed through the port ER oe e f an intermediate fan is installed midway in the duct an inspection port should be install
95. V1 9 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 7 Computerised Control Forced OFF and ON OFF Operation e Wire specifications and how to perform wiring Connect the input from outside to terminals T1 and T2 of the terminal block for remote controller FORCED OFF p a The equipment in Nighttime free cooling operation cannot be stopped forcibly with T1 or T2 Wire specification Sheathed wire 2 wire Gauge 0 75 1 25mm Length Max 100m External terminal Contact that can ensure the minimum applicable load of 15V DC 1mA e Actuation The following table explains FORCED OFF and ON OFF OPERATIONS in response to Input A FORCED OFF ON OFF OPERATION Input ON stops operation impossible by remote controllers Input OFF ON turns ON unit Input OFF enables control by remote controller Input ON OFF turns OFF unit e How to select FORCED OFF and ON OFF OPERATION Enter the FORCED OFF and ON OFF OPERATION selection using the local external start stop input settings based on 9 10 Field Setting and Test Run 9 9 8 Central Control If control is performed with a central device central management controller etc group number needs to be set with the remote controller See the manual of each central device for detail 9 9 9 Fresh up Operation by External Input HRV Unit PURPOSES AND FUNCTIONS When the operation is interloc
96. VKM80GAVY 250 500 1000 2000 4000 8000 4D051295 I NOTES Scale Air flow rate 1 Over All dB U H H L B G Nis already rectified A 40 37 5 34 5 2 Operating conditons Model VKM80GAV1 3 Measuring place Remark U H ultra high H high L low 4 Location of microphone 1 5m Measuring point 5 Operation noise differs with operation and ambient conditions Power source Single phase 50Hz 220V Ventilation mode total heat exhange Operation noise is measured in an anechoic chamber Theoperation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions VKM80GAV1 bE Bae TOSS SOO GRC 50Hz 230 YKM80GAVI 0 0002ubar 80 50 40 Octave band sound pressure level dB 0dB Approximate threshold hearing for continuous A noise 83 125 250 500 Octave band center frequency Hz 1000 2909 4c00 8000 4D051302 NOTES Scale Air flow rate Over All dB U H H L B G N is already rectified A 41 38 36 Operating conditons Power source Single phase 50Hz 230V Model VKM80GAV1 Ventilation mode total heat exhange Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this
97. Ventilation l HRV VKM GA M V1 9 Installation 9 10 Field Setting and Test Run 9 10 1 Perform Field Settings with the remote Controller 7 Press the INSPECTION TRIAL button to return to normal mode ieee 8 49 qa a CA 2 565 7 CCEROPTION Example When adjusting the ventilation air flow to low setting in the group setting mode enter the Mode No 19 FIRST CODE NO 0 and SECOND CODE NO 01 W Settings and setting numbers SECOND CODE NO Description of setting No CODE 02 03 04 No Filter cleaning time setting 0 counting NOTE 5 Nighttime free cooling operation setting Time after air conditioning is stopped 05 06 07 setting fan off setting Setting for cold areas Fan operation NOTE 5 Fan speed initial setting 17 Normal Ultra high 27 Notdirect With Notdirect With Direct duct connection with VRV 5 duct direct _ duct _ direct i setting Air flow duct Air flow duct fan off Air flow Air flow selection for heater thermo OFF 5 Fan L FanL NOTE 6 setting setting Ventilation air flow setting when 17 6 High Ultra _ z _ B _ Nighttim
98. a 7 2 6 1 Sound pressure spectrum VKM100GAV1 SE Toe PE ALES ABTS VT SLOT BOG a 50Hz 220V YKM100GAYI 22 0 00021bar 69 ol 40 ao Octave band sound pressure level dB 0dB 20 Approximate threshold hearing for continuous x noise 63 125 259 500 1000 2000 4000 8090 Octave band center frequency Hz VKM100GAV1 THOT 3 97 SADT YKM100GAVI Octave band sound pressure level dB 0dB 0 0002ybar 2 Yoximate pun hearing for continuous noise 83 125 250 500 1000 2000 4000 8000 Octave band center frequency Hz 4D051296 4D051303 I NOTES Scale Air flow rate MORES Scale Air flow rate 1 Over All dB U H H L Over All dB UH H L B G N is already rectified A 40 38 35 B G N is already rectified A 10 5 385 36 2 Operating conditons Operating conditons Power source Single phase 50Hz 220V Power source Single phase 50Hz 230V Model VKM100GAV1 Model VKM100GAV1 Ventilation mode total heat exhange Ventilation mode total heat exhange 3 Measuring place Measuring place Remark Remark e Operation noise is measured in an anechoic chamber Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation The operation noise level becomes greater than this value
99. addition you cannot change the set temperature or set direction of air flow Even if you attempt to operate by changing the temperature or air flow direction only This function is not available will be displayed You can select the ventilation mode ventilation amount and operation switching if a function to select either cooling or heating has been provided only Independent system V Ventilation amount BRC1D527 Operation Connection to ventilation remote switching controller is not permitted Switching of ventilation Heating mode and erin amount Ventilation amount Switching of operation mode 10 2 Ability to Calculate Connectable Capacity Because of an outdoor air processor the load may increase depending on the outdoor air condition So use the values in the table below when calculating the connectable capacity to an outdoor unit Ceiling mounted Corresponding Ability to process outdoor air KW Ability 1o calculate Diameter of duct connection type HP Cooling Heating capacity kW connection pipe VKM50GA M V1 1 0 4 71 1 91 5 58 2 38 3 5 VKM80GA M V1 1 6 7 46 2 96 8 79 3 79 5 6 96 4 for liquid i i 12 7 for gas VKM100GA M V1 2 0 9 12 3 52 10 69 4 39 7 0 indicates a heat amount recovered by a total heat exchanger Example of a system Connectable capacity of RXYQ10PY1 14 0 36 4 kW Total calculated capacity of indoor unit
100. air conditioner can be used so special remote controller for HRV is unnecessary Mounted for direct expansion coil unit for outdoor air treatment Changeover function for ventilation mode to Auto Manual Fresh up operation Selectable Supply air rich mode or exhaust air rich mode initial setting Mounted for water flow type natural evaporating humidifier Possible to attach the high efficiency filter Attaching the power supply terminal for easy connection Quiet operation Changeover function for air flow rate to High Low Ultra high setting is possible The power supply of HRV is commonly used with the air conditioner Single phase 220 240V 50Hz Filter sign display and reset Timer setting Features of direct expansion coil Draftless ventilation in heating High humidifying function How to use this unit This unit should be used with air conditioners Air conditioning is impossible only by this unit because this unit does not have temperature control function Its capacity is too small in order to control the room temperature to the whole And should be operated in combination with standard indoor units Interlocked operation Independent operation without taking an interlock with indoor units is possible however temperature setting by remote controller is impossible In this ON OFF operation by thermostat depends on factory setting however this value is changeable by setting mode on site Model selection should be done not by
101. any as 100 200 thousand We are unknowingly inhaling such polluted air which enters into our trachea and lungs leading to coughs and difficulty in breathing some malignant disease and or nausea and in worse cases other serious chronic diseases such as bronchitis and pneumoconiosis Table 1 Suspended Dust in the Air Type of dust Content weight 96 Smoke pollen fly ash 0 20 Ore chips cinders 10 90 Rotten plant 0 10 Vegetable fiber 5 40 Carbon fume 0 40 W Bacteria Suspended particles of bacteria of 0 2 5u in diameter are likely being adhered with dust in the air not independently suspended According to NASA the National Aeronautics and Space Administration the more number of dust particles may allow the more number of bacteria to exist which may justify the abovementioned theory of bacteria s presence in the form of adherence to dust Therefore it is possible to remove bacteria using an electrostatic precipitator though the result of cleaning cannot be easily measured It takes time to demonstrate how effectively bacteria could be removed According to our experiments that measured the number of bacteria using the settle plate microbe count method the number of bacteria in the space above the dust collector electrode is smaller than that collected on a plate of the same area being left in the air This indicates that electrostatic precipitators can to some extent kill bacteria collected on the electrode
102. ated System Includes Ventilation Air Conditioning and Humidifying Operations Rather than using separate ventilation air conditioning and humidifying components the system incorporating HRV VKM integrates all functions reducing the total number of indoor units and facilitating a far simpler system The installation space becomes smaller and the labor required for installation and maintenance is reduced significantly HRV Humidifier Conventional Outdoor 1000 CMH system P56 P56 P56 P56 P56 unit ____________ Standard indoor unit Ventilation air conditioning and humidifying in a single system New system The VRVIII P56 P56 P56 outdoor unit L Standard indoor uni VKM100GAMV1 unit I Ventilation Ventilaci n con Recuperaci n de Calor 5 5 7 5 7 1 HRV VKM GA M V1 Features Other Features Interlocked Operation with VRV 1 Simultaneous ON OFF with the indoor unit by the indoor unit remote controller Fresh up operation setting ONOaR N Advantage to IAQ Internal Air Quality Note HRV independent operation during air conditioning off season by the indoor unit remote controller Automatic ventilation mode changeover Auto Heat Recovery Bypass Fan speed changeover by the indoor unit remote c
103. ay cause condensation to form on the main unit or on discharge grill or around air supply opening Keep the indoor unit and the remote controller at least 1 m away from televisions radios stereos and other similar equipments This may cause distorted picture or noise Turn off the main power supply switch when it is not used for long periods of time When the main power switch is turned on some watts of electricity is being used even if the system is not operating Turn off the main power supply switch for saving energy When reoperating turn on the main power supply switch 6 hours before operation for smooth running Use city water or clean water and take steps to prevent condensation from forming VKM GAMV1 series only The life of humidifier become shorter when the supply water is hard water VKM GAMV1 series only Use a water softener Do not install the remote controller where the indoor temperature and humidity respectively are out of the range of 0 35 C and RH 40 80 This may cause malfunction Do not install the remote controller where direct sunlight may fall on it This may cause discoloration or deformation Note When the fan motor fails the remote controller does not display any error code Usage under that status will lead to insufficient ventilation The air supply and exhaust fans should be checked once every one or two months You can make a simple check such as below way To check the wind flow hold a
104. bar of which the end has a string or other similar lightweight item over the supply grille and exhaust grille When the solenoid valve fails the remote controller does not display any error code Usage under that status will lead to insufficient humidification and increased tap water consumption The solenoid valve should be checked at the beginning of the heating season lt VKM GAMV1 series only gt I Ventilation Heat Reclaim Ventilation 73 I HRV VKM GA M V1 8 Operation 8 5 Maintenance for a Qualified Service Person only ONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO PERFORM MAINTENANCE DO NOT CHECK OPENING INSIDE THE UNIT BY YOURSELF N WARNING e BEFORE OBTAINING ACCESS TO TERMINAL DEVICES ALL POWER SUPPLY CIRCUITS MUST BE INTERRUPTED e To clean the HRV or maintenance be sure to stop operation and turn the power switch off It may cause electrical shock and it is very dangerous to touch the rotating part e Do not wash the HRV with water Doing so may result in an electric shock CAUTION e Use gloves when cleaning Cleaning without gloves may cause injury e Watch your step Use caution as this requires working in high places e Do not use benzene or thinner to clean the outside surfaces of the air conditioner This may cause cracks discoloration or machine trouble 8 5 1 Howtoclean the AirFilter Clean the air filter when the display shows d TIME TO CLEAN AIR FILTER It will dis
105. ccording to the length of the ducted System and the number of bends and other accessories contained in the system Air flow calculations should consider these pressure drops to estimate the air flow as accurately as possible 11 3 1 Procedure for Calculating Pressure Drops and Finally Determining the Type of Ventilators Calculation of required air flow Ducting design duct diameter type routing length and bends Calculate the Using the equivalent pressure losses of straight piping length the straight sections conversion table using the friction calculate the equivalent resistance diagram straight pipe length of the entire duct system Calculate the pressure losses of the local features using the relevant Plot Ine los local feature loss s resistance curve on the static pressure vs air flow coefficients x7 characteristics curve chart to find the Calculate the overall intersection of these two osses throughout the curves entire duct system Method using the duct s friction resistance diagram Simplified method using the equivalent straight piping length conversion table Add 10 20 safety margins to the calculated pressure losses to determine the required static pressure Referring to the static pressure vs air flow characteristics curves of various types of ventilating fans select a
106. chitis can occur New ceilings walls furniture and decorations in white will turn into yellow in one or two years This is due to the nicotine and tar contained in tobacco smoke and or dust in the air To allow smoking proper ventilation is inevitable A ventilation system consisting of an air cleaner and ventilator that operates automatically detecting the level of pollution is recommendable This system can be associated with an air conditioning system so that power consumption for these systems can be reduced and so that they can enjoy comfortable smoking without feeling hot or cold Table 3 Sensation for Tobacco Smoke Pe Status of the air in the room Sensation 0 15 Smoke diffuses in 6 to 30 seconds Slight odor 0 44 Slightly smoky Odor 0 78 Slightly smoky Feel strange in the nose and or throat 0 95 Blurred sight Strong odor 1 13 Blurred sight Slight eye irritation 1 26 Heavily smoky Nose and throat irritation 1 48 Heavily smoky Slight pain of eyes 1 73 Heavily smoky Pain of nose and throat 1 95 Heavily smoky Slight tears Table 4 Air Pollutants per Cigarette when smoking Fig 1 Three Year Old Child Asthmatic Type NOx cc CO cc DUST mg Bronchitis Due to Passive Smoking 0 90 72 12 6 g 54 Seven Stars 0 57 38 7 7 2 44 3 4 0 77 68 11 8 g 34 2 8 Table 5 Air Pollutants per Cigarette when a lit cigarette is left G 24 17 Type NOx cc CO
107. cient local feature resistance coefficient Bends and sections where the sectional area is suddenly changed have unlike straight sections particular types of pressure losses due to eddy current and other factors The pressure loss of these non straight parts is given by the following equation 2 AP Pa L y E Pv 2g Where Local loss coefficient V 2Alr Velocity crecer ten m s This is the velocity measured at the upstream side of the feature except junctions Pv Dynamic pressure Pa 2 Calculation of pressure loss due to local features v Example Bend as shown in the figure Conditions 21 5 v 5 0 m s 224 2 Pv s EE 2g 2 Pv 1 53 Pa AP Local loss coefficient x Pv Dynamic pressure 0 24 x 1 5326 0 37 Pa 128 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 3 Calculation of Duct Pressure Loss 11 3 3 Pressure Loss Due tot Local Features The right column of Table A shows the duct diameter equivalent to this pressure loss of the local feature Note that the values shown in the table are for 0 018 For other values of the friction resistance coefficient A to be used use the following equation to find appropriate conversion 4 le Xd Local loss coefficient Table A Stat
108. clog e The diameter of the drain pipe should be greater than or equal to the diameter of the connecting pipe pipe size PT3 4B When piping passes indoors always insulate it all the way to the base of the drain socket In areas where freezing may occur always take steps to prevent the pipes from freezing Make sure water doesn t leak from the drain pipes Avoid bends and curves in the pipes to prevent them getting clogged If you are using central drain piping follow the procedure outlined in the figure 7 2 Select central drain pipes of proper size according to the capacity of the connected unit Make sure the tip of the drain pipes opens out into a location where the drainage can be safely processed 2 After piping work is finished check drainage flows smoothly e Test the drainage by pouring around 1000cc of water into the drain pan through the inspection hole by removing the maintenance cover 10 screws or through the outlet duct joint of supply air to room SA Refer to Fig 8 Supply air to room SA Duct connecting flange accessory Maintenance cover Portable pump Locally procured Bucket EET Drain outlet Drain pipin a E d Locally procured Figure shows VKM GAMV1 Fig 8 I e Ventilation Heat Reclaim Ventilation 87 I HRV VKM GA M V1 9 Installation 9 5 Drain Piping and Water Supply Work 3 Make sure that heat insulation work is executed on the follow
109. conditioner It is impossible to changeover heat cool with the remote controller when this icon is displayed 4 Display sz air flow flap This displays the direction and mode of the air flow flap of the combined air conditioner 5 Display lt lt 0PTION ventilation air cleaning This display shows that the total heat exchange and the air cleaning unit are in operation these are optional accessories 6 Display set temperature This displays the set temperature of the combined air conditioner It is not displayed when the unit is used as an independent system 7 Display qa 94 Al X ie operation mode FAN DRY AUTOMATIC COOLING HEATING This displays the operating status of the combined air conditioner e There is no heating for the VRV III system Cooling only type e fA is only available for systems operating in cooling and heating at the same time 8 Display 7 programmed time This display shows the programmed time of the system start or stop 9 Display xx Test inspection test operation When the inspection test operation button is pressed the display shows the mode in which the system actually is e Do not use under usual use service person installer only 10 Display under centralized control When this display shows the system is under centralized control This is not a standar
110. cooling capacity but by ventilating air flow rate Ventilation Ventilaci n con Recuperaci n de Calor l HRV VKM GA M V1 5 Features 5 2 Design Flexibility 5 2 1 Efficient Fan Performance Produces a High Static Pressure Improvements to the fan including the use of multi Dramatically higher static pressure is achieved due arc blades a thinner scroll and optimized fan scroll to improved fan performance This reduces angle help to boost efficiency limitations on unit placement and allows more flexibility in duct design Higher static pressure and reduced noise Exchange efficiency Multi arc blades 50H2 220v1 240 ee The use of multiple Operating air flow rate range overlapping arc shaped fan 90 E blades mo Sail pose optimize the chord lengti and blade outlet angle This Tem VKMSOGAMVI results in higher static 40 perature eey 80 pressure and quieter _ amp Phge eg H operation over the entire thal t Feno usage range 1 change 350 Sneha Sfc 70 Rotating currents exes Z heanl amp for reduced loss 196 ea Resin scroll 30 oye i 60 jq The use of a thinner scroll ho fd makes it possible to rectify length the rotating currents within the Scroll 250 UEFA Hi 80m Itra High Highe
111. ct near the unit body than that near the air suction discharge grille HRV unit Air supply E E wna Mise OA f LV j gt SA V oo Flexible duct Apply sound insulating material here for effective operating sound reduction HC0055 7 1 7 2 Taking Measures to Reduce Operating Sound Heard from Attic installed Equipment and Air Ducts 1 When installing large air volume models 650 m h or more avoid the following wherever possible if it is expected to be necessary to apply sound insulating material to them Fig 1 Fig 1 1 4 3 2 L HC0056 1 Making the duct diameter extremely small Example b 250 gt 150 200 gt 6 100 2 Making the duct extremely bent using bellows in particular connecting bellows to the air discharge outlet of the unit body 3 Making opening holes on the ceiling 4 Hanging the unit on a material which does not have enough hanging strength 2 Take the following sound reduction measures Fig 2 Fig 2 1 2 ia HC0057 1 Use a sound insulating low permeability to sound ceiling Note Some sound insulating ceilings are not very effective in reducing low frequency element of the operating sound 2 Place a sound reducing material under the source of the operating sound Note When using a sound insulating sheet it is necessa
112. cted only with a HRV unit in a single refrigerant circuit Outdoor unit T Elec parts box 1 FILPALFTIES Power supply Power supply Power supply 220 240V 220 240V 220 240V 50 Hz 50 Hz 50 Hz Switch Switch Switch Fuse Fuse Fuse Transmission wiring Remote control Remote control Wf L Remote controller RIS P1 P2 F1 F2 T1 T2 Standard indoor RIS P1 para T2 Standard indoor LIN P1 P2 F1 F2 T1 T2 E ar Earth unit A unit B processing or Earth Earth NOEL type NOTE Standard type VAM series 98 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 5 Wiring example When including a BS unit Power supply Power supply 220 240V 220 240V Outdoor unit 50 Hz 50 HZ rGectic pants box Switch l Switch Eee Fuse Fuse Transmission wiring No polarity BS unit Remote control Remote control wirin PIs DIe EN NTP Fema Earth Earth Standard indoor unit A PRECAUTIONS Ther
113. ctuates greatly such as that in factories Also in vehicles or vessels 9 1 2 Accessories Check the following accessories are included with your unit Name Duct connecting M4 tapping screw Water supply piping Half union joint Flare nut flange For connecting duct with strainer Copper piping joint Copper piping joint VKM GAMV1 1 pc VKM GAMV1 1 pc VKM GAMV1 1 pc Quantity 4 pcs 24 pes VKM GAV1 Opc VKM GAV1 0 pc VKM GAV1 0 pc GE Ri Shape 2 O T T 50 type M4x12 80 100 type M4x16 Refrigerant piping Water supply piping Name insulation cover insulation cover Sealing material Clamp a VKM GAMV 1 1 pc VKM GAMV1 8pcs Other Quantity 1 set VKM GAV1 0 pc 1 pc VKM GAV1 6 pcs e Installation manual om 99 dq ga e Operation Shape C manual LD 035 1D 626 eth I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 1 Before Installation 9 1 3 Optional Accessories e This unit can be made a part of two different systems as part of the combined operation system used together with VRVIII SYSTEM Air Conditioners and as the independent system using only the HRV An operating remote controller is required for this unit when using the unit as an independent system Select a suitable remote controller from below table according to customer request and
114. d ambient conditions I Ventilation e Heat Reclaim Ventilation 49 50 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 7 Reducing Operating Sound When installing this unit in a quiet place take measures to reduce operating sound The air suction and discharge grille may give out operating sound higher by 8 to 11 phons than of the HRV units body 1 Operating sound heard from the air discharge outlet can be 2 Operating sound can be reduced more effectively by applying reduced just by applying sound insulating material to the SA sound insulating material to a portion of the SA duct near the unit indoor air supply duct body than that near the air suction discharge grille HRV unit Air suction eV ua see EA 4 lt lt RA aie EAs 4 oS RA grile OAs JJ SN Oae e A gt SA X Flexible duct ee 7 Flexible duct f Apply sound insulating Apply sound insulating material here for effective material to the SA duct HC0054 operating sound reduction HC0055 7 2 7 1 Taking Measures to Reduce Operating Sound Heard from Attic installed Equipment and Air Ducts 1 When installing large air volume models 650 m h or more avoid the following wherever possible if it is expected to be necessary to apply sound insulating material to them Fig 1 2 Take the following sound reduction measures Fig 2 Fig 2 Fig 1
115. d sealing pad 4 Ti m connection 4 Turn seams up accessory Main unit Z moe XE cm i y 2 Clamp 3 Wrap over the accessory iping insulation material top of the flare locally procured nut connection Liquid Piping Insulation Procedure Insulation for fitting Piping insulation accessory material main unit Flare nut connection Caspi 8 pipe 4 Turn seams up 1 Attach to base Main unit JT HH 2 Clamp accessory Piping insulation material Locally procured Fig 13 Precautions for insulation material installation on flare nut connection 1 Make sure that the piping insulation material comes in close contact with the base so that there will be no air passage at the edges of the piping insulation material 2 Do not tighten the clamp excessively so as to maintain the appropriate thickness of the insulator 3 Wrap the sealing material around the upper part of the flare nut connection Seams up 4 Turn the seams up see the figure on the right hand side BC N CAUTION Be sure to insulate any field piping all the way to the piping connection inside the unit Any exposed piping may cause condensation or burns if touched e Connect refrigerant piping and branching according to the attached installation manuals that come with the outdoor unit
116. d specification 11 Display 4 fan speed This display shows the fan speed you have selected This is only displayed when the fan speed selection button is pressed It normally displays the set fan strength of the combined air conditioner 12 Display time to clean air filter Refer to 8 5 1 How to clean the Air Filter 13 Display defrost hot start It may be displayed when freezing of outdoor unit s coil increases in heating mode 14 Timer mode start stop button Refer to the chapter Operation procedure Programming start and stop of the system with timer Refer to 8 3 3 15 Timer on off button Refer to the chapter Operation procedure Programming start and stop of the system with timer Refer to 8 3 3 16 Inspection test operation button Pressed during inspection or test run e Do not use under usual use service person installer only 17 Programming time button Use this button for programming start and or stop time I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 2 Safety Cautions 8 2 2 Remote controller and Changeover Switch Name and Function of Each Switch and Display Refer to figure 3 and 4 18 Temperature setting button Use this button for setting the desired temperature of air conditioner combined with this unit This button can t use for this unit This unit can t change temperature setting 19 Filter sign reset butt
117. dapter PC board KRP2A1 E ssi Space for installation of adapter PC board KRP50 2 Clamp accessory Resin Clamp parts Electric parts box lid Transmission wiring through hole Power supply wiring and Ground wiring Power wiring through hole NOTE AS3P VKM GAMV1 series only CAUTION e See Electrical Wiring Diagram label on the backside of the lid of the electric parts box for electric wiring work e Be sure to attach the sealing material or putty locally procured to hole of wiring to prevent the infiltration of water as well as any insects and other small creatures from outside Otherwise a short circuit may occur inside the electric parts box e When clamping the wires be sure no pressure is applied to the wire connections by using the included clamping material to make appropriate clamps Also when wiring make sure the lid on the electric parts box fits snugly by arranging the wires neatly and attaching the electric parts box lid firmly When attaching the electric parts box lid make sure no wires get caught in the edges Pass wiring through the wiring through holes to prevent damage to them e Make sure the remote controller wiring the wiring between the units and other electrical wiring do not pass through the same locations outside of the unit separating them by at least 50mm otherwise electrical noise external static could cause mistaken operation or breakage
118. depending on the operation conditions reflected sound and peripheral noise conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions Operation noise differs with operation and ambient conditions U H ultra high H high L low e U H ultra high H high L low 4 Location of microphone Location of microphone J 1 5m 15m Measuring point Measuring point P i T 5 Operation noise differs with operation and ambient conditions Operation noise differs with operation and ambient conditions VKM100GAV1 zi TES ETT TTOU ELE Loo SRE AAY VIMOOGAYI 8 a S ES hi 8 e E FE go 3 EET 8 tient A for continuous x noise sa 125 250 500 1000 zoco 4000 8000 Octave band center frequency Hz 4D051309 I NOTES Scale Air flow rate 1 Over All dB U H H L B G N is already rectified A 41 39 36 5 2 Operating conditons Power source Single phase 50Hz 240V Model VKM100GAV1 Ventilation mode total heat exhange 3 Measuring place 4 Location of microphone Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 1 5m Measuring point 5 Operation noise differs with operation an
119. disappear e When the power is on the unit consumes up to several dozen Watts of power Turn off the power to conserve energy 3 Stop water supply End of heating season 8 5 4 Inspection and Maintenance of the Humidifier VKM GAMV1 series only e Have your dealer do the following inspections in order to get the longest use e n order to prevent harmful bacteria from generating ask your dealer to do maintenance on humidifying unit portion at the beginning or the end of the heating season Note e When the solenoid valve fails the remote controller does not display any error code Usage under that status will lead to insufficient humidification and increased tap water consumption The solenoid valve should be checked at the beginning of the heating season I e Ventilation Heat Reclaim Ventilation 75 76 I HRV VKM GA M V1 8 Operation 8 5 Maintenance for a ualified Service Person Only 8 5 4 Inspection and Maintenance of the Humidifier lt VKM GAMV1 series only For dealers Inspected part Content of maintenance Items to be inspected Solution Problems if maintenance is not carried out Strainer 80 mesh Check for clogging Check o ring for cracks Clean if clogged Replace if cracked Insufficient humidifying Leaking Feed water tank Check for operation of float switch Clean if it does not work properly due to build up Insufficient humidifying Overflowed feed water
120. ditions Operation noise differs with operation and ambient conditions VKM50GAV1 33 TOTS S806 PEDEM VKNBOGAVI 70 50 50 40 30 Octave band sound pressure level dB 0dB 0 0002ubar 20 proximate fea hearing for continuous noise 63 125 250 500 1090 2000 4000 000 Octave band center frequency Hz 4D051307 NOTES Scale Air flow rate Over All dB U H H L B G Nis already rectified A 39 37 355 Operating conditons Power source Single phase 50Hz 240V Model VM50GAV1 Ventilation mode total heat exhange Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low Location of microphone 15m Measuring point Operation noise differs with operation and ambient conditions I Ventilation e Heat Reclaim Ventilation 47 48 HRV VKM GAV1 7 Product Specification 7 2 VMKM GAV1 7 2 6 Sound data 7 2 6 1 Sound pressure spectrum VKM80GAV1 50Hz 220 Octave band sound pressure level dB 0dB 0 0002ubar nimate pun hearing for continuous noise ea 128 Octave band center frequency Hz 53 WE 7i2 425 850 1700 3400 6506
121. ditons Power source Single phase 50Hz 240V Model VKM100GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 1 5m Measuring point 5 Operation noise differs with operation and ambient conditions I Ventilation Heat Reclaim Ventilation 7 7 7 l HRV VKM GAMV1 Product Specification 1 VKM GAMV1 1 7 Reducing Operating Sound The air suction and discharge grille may give out operating sound higher by 8 to 11 phons than of the HRV units body When installing this unit in a quiet place take measures to reduce operating sound 7 1 1 7 1 Points for Reducing Operating Sound Operating sound heard from the air discharge outlet can be reduced just by applying sound insulating material to the SA indoor air supply duct HRV unit Air suction discharge EA RA grille OA ZL SNIL Flexible duct Apply sound insulating material to the SA duct HC0054 2 Operating sound can be reduced more effectively by applying sound insulating material to a portion of the SA du
122. duct Specification 7 1 VKM GAMV1 7 1 6 Sound data 7 1 6 1 Sound pressure spectrum VKM50GAMV1 53 Bo 1700 3400 8803 50Hz 220V VKM50GANY To 0 0002ubar ec so ao 30 Octave band sound pressure level dB 0dB 2e approxima threshold hearing for continuous noise 93 125 250 500 1000 2000 4000 8009 Octave band center frequency Hz 4D051291 I NOTES Scale Air flow rate 1 Over All dB U H H L B G Nis already rectified A 37 35 32 2 Operating conditons Power source Single phase 50Hz 220V Model VKM50GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 1 5m Measuring point 5 Operation noise differs with operation and ambient conditions 2 Operating conditons VKM50GAMV1 soam Pg od VKMBOGAMVT 0 0002ubar Octave band sound pressure level dB OdB Approximate threshold hearing ffor continuous noise Octave band center frequency Hz EO 4D051297 I NOTES Scale Air flow rate
123. e Temperature Exchange Efficiency is a mean value in cooling and heating Efficiency is measured under following condition ratio of rated external static pressure has been kept as follows outdoor side to indoor side 7 to 1 Feed clean water If the supply water is hard water use a water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150mgil Life of humidifying element is about 1 y During the heating operation the freezing of the outdoor unit coil increases heating capacity decreases and the system goes into defrost operation During defrost operation the fans of the units continue driving factory settings the purpose of this is to maintain the amount of ventilation and humidification When connecting with a VRV Heat Recovery outdoor unit bring the RA exhaust gas intake of this unit directly in from the ceiling Connect to a BS unit identical to the VRV outdoor unit master unit and use group linked operation When connecting the indoor unit directly to the duct always take the same system on the indoor unit as with the outdoor unit Perform group linked operation and make the direct duct connection settings from the remote controller Mode No 17 27 first code n 5 Second Code n 6 Do not connect to the outlet side of the indoor unit depending on the fan strength and static pressure the unit might back u
124. e Mechanical ventilation fan rated capacities indicated on a catalogue can be used on condition that the same amount of air is fed into the room through the air intakes Smaller air intakes will reduce the capability of the ventilation fan Generally the air intakes should be larger than the ventilation fan opening Larger air intakes can reduce the air velocity from the intake so that persons when standing near the intake do not feel discomfort Discomfort eNoisy due to higher Smaller velocity flow Air intake amp Exhaust eSmooth air flow eSmaller velocity ae s Air intake i I e Ventilation Heat Reclaim Ventilation 117 I HRV VKM GA M V1 11 Appendix 11 2 Kinds of Ventilation 11 2 1 Methods of Ventilation 1 Location of exhaust fans and intakes For whole ventilation air intakes should be located as far from the fans as possible For local ventilation intended for narrower limited space air intake s should be located as close to the fan as possible so that the surrounding areas can be less affected For large rooms multiple air intakes should be located dispersedly and as far from the exhaust as possible to ensure uniform ventilation throughout the room Hd tt iN tty ell WERE GN bl Air intake Larger ill ventilated areas X Bad example ttt Smaller ill ventilated areas Air intake O Good example Dispersed location of D daba Air intake
125. e 10 as the value of the denominator of the equation Required air flow ms h Occupied area per person for ventilation requirements for commercial facilities Building type ein Remarks Restaurant coffee shop 3m Floor area for business use Cabaret beer hall 2m Floor area for business use Japanese restaurant assembly room on hire 3m Floor area for business use Shop supermarket 3m Floor area for business use Billiard room table tennis room dance hall bowling alley 2m Floor area for business use Pachinko parlor go club mah jongg saloon 2m Floor area for business use Japanese style hotel Hotel motel 10m Floor area for business use Special bath house 5m Floor area for business use Meeting room city hall 0 5 1m Per area number of person Office 5m Floor area of the office room Calculate air flow based on the required number of air changes Required air flow ms h Required number of air changes times h x Room volume m e The required number of air changes shown below has been determined based on the prior knowledge and experiments by sanitary testing laboratories etc Example Place ordinary living room Required number of air changes 6 times h see the table below Area of the room about 9 9 m Ceiling height 2 4 m Required air flow 6 x 9 9 x 2 4 143 m h Select ventilating fans that can satisfy the above mentioned airflow requirement Guidelin
126. e for the number of air changes Room Number of air changes times h Toilet washroom 5 15 Locker room changing room 5 Library warehouse store 5 Darkroom 10 Copy room print room 10 Projection room 10 Pantry 8 Shower room 5 Bathroom 5 Changing room 5 Food locker 5 Garbage locker 15 I Ventilation Heat Reclaim Ventilation 123 124 I HRV VKM GA M V1 11 Appendix 11 2 Kinds of ventilation 11 2 5 Required Air Flow W Calculate air flow based on the room capacity number of persons to be admitted Required air flow ms h Required air flow per person ms h x Number of persons Required Air Flow Required air flow per person Room Required air flow Recommendation Minimum Bar cabaret 51m person h 42 5m person h Office restaurant 25 5m person h 17 20m person h Shop department store 25 5m person h 17m person h W Calculate air flow based on the required air flow per floor area Required air flow ms h Required air flow per floor area ms m h x Floor area me Required air flow per floor area 1 m Room Air flow rate Office 10m h 10m h Shop 15m3 h 15m3 h Beauty salon 12m h 12m h Amusement room 15m h 15m h Smoking room 20m3 h 20m3 h Small meeting room 25m3 h 25m3 h Dining room commercial 25m3 h 25m3 h Exhaust gt Mecha
127. e free cooling setting 27 g High ON OFF input from Outside Set when ON OFF is to be 25 1 mer E controlled from outside Power faillure automatic reset 12 Auto Restart 22 5 equipped Equipped H 7 m H Humidification on off when heating 15 1 Yes E S E thermo is off 25 Indication of ventilation mode T No Not indication 4 Indication E 2 Fresh up air supply exhaust settini 7 No Indication Indication P Ppy g 18 Supply Exhaust Exhaust External input terminal function 28 i selection between J1 and JC 2B 8 Fresh up pin iud NOTE 7 KRP50 2 output switching selection between 1 and 3 Fan on off Abnormal Ventilation air flow setting 19 0 Low Low Low Low High Ventilation mode setting 29 2 Exchange Bypass Fresh up operation 1A Off On Forced fan on 43 Unit no allocation 45 NOTE 1 The inside the frame indicates the second code no set when shipped from factory 2 The settings are applied to the entire group but if the mode no inside the parentheses is selected the settings can be applied to individual indoor units However it is only possible to check any changes made to the settings inside the parentheses in individual mode For group batch operation the changes are made but the display remains as it was when shipped from the factory 3 Do not set anything not shown abo
128. e is not need to set the indoor unit address when using group control It is automatically set when the power is turned on However since the HRV outside air processing type uses two remote control addresses per unit the number of units which can be group controlled is as follows No of indoor air conditioner units O 1 2 3 4 5 67 8 9 10 11 12 13 14 No of HRV units 8 7 7 6 6 5 54 4 3 3 2 2 1 1 Note If a simultaneous cooling system is used a single BS unit should connect to HRV outdoor air processing type and indoor units under group control If a single BS unit connects to the HRV unit only fix the operating mode of the HRV unit to cooling heating or ventilation 9 9 6 Control by 2 Remote Controllers Controlling 1 Indoor Unit by 2 Remote Controllers e When using 2 remote controllers one must be set to MAIN and the other to SUB MAIN SUB CHANGEOVER 1 Insert a screw driver into the recess between the upper and lower part of remote controller and working from the 2 positions pry off the upper part The remote controller PC board is attached to the upper part of remote controller Upper part of remote controller x Lower part of remote controller Insert the screwdriver here and gently work off the upper part of remote controller I Ventilation Heat Reclaim Ventilation 99 100 9 HRV VKM GA M V1 Installation
129. e unit safely grounded Dangerous at electric leakage The unit may malfunction or the components Is wiring size according to specifications burn out Is something blocking the air outlet or inlet of either the indoor or outdoor units It may result in insufficient cooling Are refrigerant piping length and additional refrigerant charge noted down The refrigerant charge in the system is not clear Is water supplied with the water supply piping connected Not humidified Please check all items listed in the SAFETY CONSIDERATIONS above once again b Items to be checked at time of delivery Items to be checked Check Did you explain about operations while showing the operation manual to your customer Did you hand the operation manual and warranty over to your customer C Points for explanation about operations The items with N WARNING and CAUTION marks in the operation manual are the items pertaining to possibilities for bodily injury and material damage in addition to the general usage of the product Accordingly it is necessary that you make a full explanation about the described contents and also ask your customers to read the operation manual I Ventilation Heat Reclaim Ventilation I HRV VKM GA M V1 9 Installation 9 2 Selecting Installation Site CAUTION e When moving the unit during or after unpacking make sure to lift it by holdi
130. eat exchange element and heat exchanged air is sent into the room Bypass mode NO In this mode outdoor air does not through the heat exchange element but rather sent into the room as is W EXPLANATION OF HEATING OPERATION Defrost operation e n heating operation freezing of the outdoor unit s coil increases Heating capability decreases and the system goes into defrost operation e The remote controller will read until the hot air starts blowing e lt returns to the heating operation again after 6 to 8 minutes 10 at the longest e During defrost operation the fans of the unit continues driving factory setting The purpose of this is to maintain the amount of ventilation and humidifying e The change of the layout in the room should be examined when the cold draft from air supplying opening is feared e Though the fan can be stopped by the setting of remote controller Do not stop the fan in the place where no ventilation by stopping the fan may cause the influence of diffusion of air which it is dirty and moisture into another room or the inflow from outside the room outflow such as viruses from the sickroom or smell leakage from the rest room etc Contact your dealer for details Hot start e The remote controller will read amp 5 until the hot air starts blowing e g at the start of heating operation I Ventilation Heat Reclaim Ventilation 70 HRV VKM GA M V1 8 Operati
131. ed on the ceiling so that the fan can be accessed through the port Auxiliary grille F Inspection port e The ducting examples shown in figures should be avoided These invite larger Deep bend Unnecessarily many bends noise and smaller air flow and adversely a affect the motor v Reduced size Inclined connection Ventilating fan Duci Bend located too close to the fan Duct Bending the duct near the shutter frame may not permit the shutter to open completely To avoid this there should be Fan a distance of minimum 150 mm between the bend and shutter To install a bellows it should not be expanded near the connection Fan Bellows Each local rule or regulation may have different requirements for bellows For details consult the authorities Connection to an aluminum flexible duct Bend located too close to the fan Fan Avoid deformation Deformed flexible duct may not permit the shutter to open completely e Depending on the room structure the noise may increase by 8 to 10 phons due to echoes and or other factors e To avoid entry of rainwater exhaust ducts extending outside should be inclined down by 1 100 or larger I e Ventilation Heat Reclaim Ventilation 131 132 I HRV VKM GA M V1 11 Appendix 11 4 Notes for Ducted Systems 11 4 0 Notes for Ducted Systems e To use a two room ventilating fan for a bathroom and other room install the fan in the bathroom Two room ventilating fan
132. ent solenoid valves and other components may freeze causing breakage and leaks Do not allow exhaust air to enter the outside air intake vent This may cause the interior of the room to become contaminated and harming the health Locate the outside air intake vent so that it does not take in exhaust air which contains combustion air etc Incorrect installation may cause a loss of oxygen in the room leading to serious accidents All wiring must be performed by an authorized electrician To do wiring ask your dealer Never do it yourself Make sure that a separate power supply circuit is provided for this unit and that all electrical work is carried out by qualified personnel according to local lows and regulations Insufficient power circuit capacity or incorrect work may cause electric shock or fires Be sure to establish an earth Do not earth the unit to a utility pipe arrester or telephone earth Incomplete earth may cause electrical shock or fire A high surge current from lightning or other sources may cause damage to the air conditioner Install the unit on a foundation strong enough to withstand the weight of the unit A foundation of insufficient strongth may result in the unit falling and causing injuries Connect the remote controller to the correct model This may cause electric shock or fire Do not connect additional electric wirings This may cause fire For refrigerant leakage consult your dealer When the HRV
133. ent is about 1 year 1500 hours under the supply water conditions of hardness 400mg L 3D051319 VKM80GAMV1 Heat insulator Locally procured Air suction grille Locally procured 1688 E Kp EA in Branch duct ec Le Exhaustairto outdoors Locally procured Round shape food TP Locally procured OA pu en Silencer Fresh air from outdoors d i Locally procured Control box B j S Flexible duct 1 S Locally procured sit Inspection Inspection amp 2 Maintenance space for the heat exchanger i n elements the dr filters fans and humidifier l hatch hatch Es EH 360 In case of 1450 inspection hatch 140 In case of 1600 inspection hatch Water supply shut off valve Cister tank Locally procured Drain valve 4 ocally procured Refrigerant piping gas pipe amp A gradient of 012 7 flare connection T more than 1 30 Strainer Refrigerant piping liquid pipe N flare connection 9250 Nominal diameter Accessory Locally procured OA Fresh air from outdoors a pe Exhaust air to outdoors L1450 600 loping downards at a inspection hatch gradient of the 1 100 Tocally procured
134. erating do maintenance on humidifying unit portion at the beginning and the end of the heating season according to the operation manual I Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 2 Options VKM GA M V1 Air suction discharge grille option Flexible duct option High efficient filter Round hood field supply Branch duct field supply Remote Control Centralised remote control Unified ON OFF controller Schedule timer Silencer Air suction discharge grille Noise suppression type Flexible duct Noise suppression type SA Duct field supply Thermal insulation material field supply V VKM GAV1 Remote control BRC1A62 General market BRC1D527 EC market 21 Centralized Central remote control DCS302C51 controlling device l Unified ON OFF control DCS301B61 General market DCS301B51 EC market Scheldule timer DST301B51 F Wiring adapter for electrical appendices KRP2A61 General market KRP2A51 EC market 2 s For ON signal output KRP50 2 amp For heater control kit BRP4A50 8 For wiring Type indoor unit of VRV FXCQ M FXFQ P FXKQ M FXSQ M FXMQ M FXHQ M FXAQ M FXDQ N FXKQ M FXZQ M S FXNQ M 9 KRP1B61 KRP1B61 KRPB3 KRP1B56 K
135. eration sound measured at 1 5m below the center of the unit is converted to that measured in an anechoic chamber built in accordance with JIS C1502 condition The actual operation sound varies depending on the surrounding conditions near running unit The sound level at the air discharge port is about 8 11dB higher than the unit s operating sound For operation in a quiet room it is required to take measures to lower the sound for example install more than 2m soft duct near the air discharge grille Air flow rate can be changed over to Low mode or High mode Normal amplitude input efficiency depend on the other above conditions OA fresh air from outdoor RA return air from the room The specifications designs and information here are subject to change without notice Temperature Exchange Efficiency is a mean value in cooling and heating Efficiency is measured under following condition ratio of rated external static pressure has been kept as follows outdoor side to indoor side 7 to 1 During the heating operation the freezing of the outdoor unit coil increases heating capacity decreases and the system goes into defrost operation During defrost operation the fans of the units continue driving factory settings the purpose of this is to maintain the amount of ventilation and humidification When connecting with a VRV Heat Recovery outdoor unit bring the RA exhaust gas intake of this unit directly in from the
136. ere temperature and humidity fluctuate greatly e When used in locations where power fluctuation voltage frequency wave distortion etc is high Cannot be used if it is outside the allowable range e When installed and used in locations where bumps and vibrations are frequent e When used in bad locations where dust salt harmful gas or oil mist such as sulfurous acid and hydrogen sulfide may be present in the air e When used in locations where the machine is started and stopped frequently or operation time is long Example 24 hour air conditioning e When the supply water is hard water the humidifier s life become shorter W Recommended replacement cycle of wear out parts The cycle is not the same as the warranty period e Table 2 Replacement Cycle Lists Name of Main Part Inspection Cycle Replacement Cycle Air filter 3 years m r 1 year High efficiency filter Optional accessory 1 year Heat exchanger element 2 years 10 years Humidifier element 1 year 3 years Note 3 Note 1 This table indicates main parts See the maintenance and inspection contract for details Note 2 This maintenance cycle indicates recommended lengths of time until the need arises for maintenance work in order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Note 3 Life of humidifying element is about 3 years 4
137. ers fans and humidifier 140 In case of 11600 ised hate B o 1764 8 49515 High efficiency filter option 322 I T 5 8 zS y Heat exchanger elements Gas pipe i connection Air filters 012 7 Liquid pipe connection 06 4 Drain outlet PT3 4 male screw 3D051289 I Ventilation Heat Reclaim Ventilation l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 4 Dimensional drawing amp centre of gravity 7 2 4 1 Dimensional drawing VKM100GAV1 Supply airfan Damper plate Direct expansion coil Hanger bracket d 4 14x40 oval hole 1688 Exhaust air fan i a qu Li e 8 i C 4m S Return air from room Exhaust air to outdoors os 3 a J DOSA 2 Supply air to room OA 3 Fresh air from outdoors y y D i Outdoor air p F yo g i al amp ER i S3 5 Maintenance covet g 2 Control box k Inspection Inspection Maintenance cover Maintenance space for the heat exchanger elements d 360 In case of 1450 inspection hatch the air filters fans and humidifier 140 In case of 1600 inspection hater 80 1164 89 T High efficiency filter option fe T ir ol 2 m 4 o amp 8 rd 1 i i A aL em Heat exchanger elements Gas pipe connection Air filters Liquid pipe connection Drain outlet 06 4 PT3 4
138. erson to perform this work The qualified service person e Keep all flames away if the refrigerant leaks The refrigerant in the air conditioner is safe and normally does not leak If the refrigerant leaks inside the room the contact with a fire of a burner a heater or a cooker may result in a harmful gas Extinguish all flames from burning appliances such as stoves heaters etc ventilate the room and contact your dealer Do not use the air conditioner until when a service person confirms to finish repairing the portion where the refrigerant leaks N CAUTION During Operation e Do not use the HRV unit for other purposes In order to avoid any quality deterioration do not use the unit for cooling precision instruments food plants animals or works of art e Do not use burning appliances directly in the path of the air from the unit Incomplete combustion of the burning appliances may occur e Never expose little children plants or animals directly to the air flow Adverse influence to little children animals and plants may result Neither place a flammable spray bottle near the HRV unit or indoor intake and outlet grills nor perform spraying Doing so may result in a fire e Turn off the power when the unit is not to be used for long periods of time Otherwise the unit may get hot or catch on fire due to dust accumulation e Do not block the intake or outlet grills If the fan does not blow air throughout the entire room i
139. ess the operation mode selector button of the current master remote controller for 4 seconds The display showing Ej J changeover under controll of all slave remote controllers connected to the same outdoor unit or BS unit flashes on e NA j flashes when the power is first turned on e The ventilation mode can be changed regardless of the 3 setting main or slave J D OPTION 7 Note e This unit cannot control room temperature If the unit is connected to the same system with other indoor units set 4 ja m the master remote controller on the other indoor units NOT Press the operation mode selector button of the controller that you wish to designate as the master remote controller Then designation is completed This remote controller is designated as the master remote controller and the display showing BIA changeover under control vanishes The displays of other remote controller show FJ changeover under control Press the operation mode selector button on the master remote controller i e a remote controller which does not display NA to scroll through the modes The display will scroll through Qu FAY only for simultaneous cooling heating systems sg e M The display on slave remote controllers will also change automatically W Details and activity of
140. et is higher by 8 11 phon than the main body operating sound When using this unit in a quiet place take a remedy for sound by connecting an optional flexible duct at the outlet of the indoor air suction side of the main body I Ventilation Heat Reclaim Ventilation l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 8 Fancharacteristics VKM50GAV1 VKM80GAV1 I Ventilation e Heat Reclaim Ventilation Exchange efficiency Exchange efficiency 50Hz 220V 240V TET Detar ane Operating air flow rate range n Operating air flow rate range eee 90 90 a VKMS0GAVI VKMSOGAV1 erature nas 80 4d ge amp fficion P efr 70 zo fhear 500 70 S icin coo 6 0 9200 5 m 9 Pipe Z 400 2 60 a length E L 0m Sv a Ultra High sf E 8 300 Ultra High 50 5 I 60m 2250 3 lrg lent AO 100m 40m 80m 100 60m 40m 20m 20m 0 200 400 600 800 1000 Air flow rate m h 100 200 300 400 500 600 700 Air flow rate m3 h 4D051315 4D051316 VKM100GAV1 Exchange efficiency 50Hz 220 2404 Operating air flow rate range 9 90 VKMTOOGAVI 80 500 70 g 5 400 60 om 9250 Ee Pipe 300 lenght s E Ultra High 400m 200 80m 60m 100 40m 20m 0 200 400 600 800 1000 1200 Air flow rate m3h 4D051317 53 54 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 9 Installation 7 2 9 1 Installation method VKM50GAV1 Air discharge
141. et temperature and independent ventilation operation cannot be performed from a central device 108 I DAIKIN Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 10 Outdoor Air Processing of Ceiling Mounted Duct Connection type 10 4 Restrictions to Control System 10 4 1 Do not Give VKM GA M Model a Function to Select Cooling Heating This is because the operation mode switches automatically depending on the outdoor conditions regardless of the indoor temperature when set to Automatic Give a function to select cooling heating to either one of these 10 4 2 Caution When Connecting with a VRVIII System Heat Recovery Type When bringing the RA exhaust gas intake of this unit directly in from the ceiling connect to a BS unit identical to the VRV indoor unit master unit and use group linked operation Outdoor unit for heat recovery aioe RA BS Unit BS Unit EXN SA with the air conditioner e The system must be operated interlocking Give a function to select cooling heating to either one of these N CAUTION If above setting is not made the detection of correct temperature is not available and automatic judgment on proper cooling or heating cannot be made when the temperature in the ceiling gets higher than indoor temperature Poor heating or shortage of the amount of humidification may result If the indoor unit and this unit
142. ethe vacuum cleaner equipped with a brush on the tip of the suction nozzle Lightly contact the brush on the surface of the heat exchange element when cleaning Do not crush the heat exchange element while cleaning CAUTION e Do not clean touching strongly with a vacuum cleaner This may crush the mesh of the heat exchange elements e Never wash the heat exchange element with water e Have your dealer professionally clean the filter if it is very dirty 5 Put the heat exchange element on the rail and insert it securely in place 6 Install the air filter securely in place Refer to 8 5 1 4 7 Install the maintenance cover securely in place Refer to 8 5 1 5 8 5 3 Seasonal Maintenance lt VKM GAMV1 series only At the Beginning of the Season 1 Check below Are the indoor and outdoor unit intake and outlet vents blocked Remove anything that might be blocking them 2 Turn the power on When the power comes on the characters in the remote controller display appear To protect the unit turn the power on at least 6 hours before operating it This makes operation smoother 3 Supply water Start of heating season At the end of the Season 1 xdi a clear day use fan only operation for around half a day to thoroughly dry out the interior of the unit e Refer to 8 3 1 for details on fan operation 2 Turn off the power e When the power is shut off the characters in the remote controller display
143. fe of humidifying element is about 1 year 1 500 hours under the supply water conditions of hardness 400mgll Annual operating hours 10 hours day x 26 days month x 5 month 1 300 hours I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 5 Drain Piping and Water Supply Work 5 Insulate all piping that passes indoors After checking that the water supply piping connections do no leak insulate them using the included insulation as shown in Fig 10 Tighten both edges with clamping material Refer to Fig 10 Clamp accessory Insulation for water supply piping accessory Fig 10 e Wrap the water supply piping with insulation to prevent condensation from forming e n areas where freezing may occur always take steps to prevent the pipes from freezing I Ventilation Heat Reclaim Ventilation 89 90 9 HRV VKM GA M V1 Installation 9 6 Refrigerant Piping Work For refrigerant piping of outdoor units see the installation manual attached to the outdoor unit Execute heat insulation work completely on both sides of the gas piping and the liquid piping Otherwise a water leakage can result sometimes Use insulation that can withstand temperatures of at least 120 C Improve insulation of refrigerant piping according to the installation environment Refer to the following information as a guide e The ambient temperature is 30 C and humidity is 75
144. ffect 1 Branched duct for letting air flow through two ducts to slow down its speed before it reaches the air discharge outlets sunction inlets Fig 5 0 Q9 SSS ff rothi HC0060 2 Flexible duct Installation of the unit with the source of its operating sound located at a corner of a room will be a partially effective sound reduction measure it will keep persons in the center of the room free from the annoying operating sound with those in the corner of the room kept annoyed by the operating sound To avoid this try to find the best installation place from which the operating sound is least heard by everyone in the room Do not connect a spiral duct and an alminium bellows directly to the outlet of the main body A silencer is effective especially when using the flexible duct at the same time I Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 7 Reducing Operating Sound 7 1 7 5 General Comparison of the Effect 1 6 in more Effective Order 1 Mounting a silencer flexible duct 2 m long 2 Mounting a flexible duct 3 Mounting a flexible duct 2 Mounting a silencer flexible duct 6 m long 6 m long m long to the main body Main body Flexible duct 2 m Flexible duct 6 m Spiral duct 4 m Effect of a remedy for noise does not change even for over 2 m l
145. for details on how to run the unit in heating mode The M supply will start and the humidifier will begin operation 4 After starting heating humidifying the sound of the water supply solenoid valve will be heard every 3 or 4 minutes a clicking sound so listening for that clicking sound let the unit run for 30 minutes to make sure that humidifying operation is normal N CAUTION e f carpentry work is not completed when a test run is finished tell the customer not to run the humidifier for the protection of indoor unit and HRV until it is completed e f the humidifier is run paint particles generated from adhesive and other materials used for carpentry work may cause HRV to get dirty causing splash or leakage of water C 3P130768 2E I e Ventilation Heat Reclaim Ventilation 105 106 10 HRV VKM GA M V1 Outdoor Air Processing of Ceiling Mounted Duct Connection The structure of VKM GAMV1 model is different from other ventilation models Points you need to note are summarized below which please use for your reference when selecting the model 10 1 Stand alone Operation is Possible as an Independent System Because no function to control the room temperature is equipped only the operation mode cooling heating automatic ventilation is displayed on the remote controller Set temperature is not displayed Automatic mode is displayed only when connected with outdoor unit of cooling heating free type In
146. ful and account for large portions of NOx compounds NO2 nitrogen dioxide can easily reach the deepest part of the lung and adversely affect it and other organs In terms of long term adverse effect NOx is stronger than sulfurous acid gases Dusts can enhance the adverse effect of NOx gases NO nitrogen monoxide is also harmful though its chronic effect is yet to be clarified e NO produced by other than combustion Oil heaters and gas ovens for oxygen based combustion produce a large amount of NO2 gases Electric ovens also produce NO2 gases though their amount is smaller and this is not well known That is high temperatures regardless of combustion facilitate bonding between N and O atoms in the air which results in the increase in the amount of NO2 Continual generation of high temperatures in an enclosed space thus requires ventilation NO2 safety limit 0 04 ppm 0 06 ppm Table 8 Effect of SO2 on Human Body Concentration 95 Effect of change in concentration 1 Feel of slight oppression in the chest 3 5 Feel odor 7712 Stimulant odor 20 40 Significant stimulation eye irritation and coughing 100 200 Bronchitis and significant stimulation in the chest and lung disorder 300 Impossible to breath 400 Difficulty in breathing 500 Impossible to breath W Oxygen starvation About 2196 of O2 concentration is normal for human body Lower O2 concentration will cause difficulty in breathing
147. g iw Fresh air from outdoors g fos 1 5 TEN j SR Outdoor air i Y eR al e i 1 gl X e 11 S3 160 i i T 28 Bg Maintenance coleri Si E Cohtrol box n oe Inspection Inspection Maintenance cover 2 Maintenance space for the heat exchanger elements 360 In case of 1450 inspection hatch the air filters fans and humidifier 140 In case of C1600 inspection hatch 131 1764 137 10 505 High efficiency filter option 322 eke Sig wu pm EE AP A aun Heat exchanger elements peda Airfiters j gf Liquid pipe connection Drain outlet _ 06 4 PT3 4 male screw 3D051288 VKM80GAV1 Supplyairfan Damper plate Direct expansion coil Hanger bracket 37 a 4958 4 1440 oval hole I NOTES 235 Exhaust air fan 2 S P r E E Specifications are subject to change without notice 3 aie i i S ear A 2 Be sure to provide two inspection hatches 1450 or L1600 at etum si fem aim XL the service side of filters and elements TZ exhaust cro ooa LN 3 The high efficiency filter option can be attached to the SA g fis surface of the heat exchanger elements COSA 15 Supply air to room iu di H g 210 Fresh air hom outdoors 8 le IN gt utdoor air 3 4 eR 8 1 i T z Pa g EE Mai 28 EE Maintenance cover 2 8 Cdntrol box L9 jen ms specia Lu pepecton Maintenance cover ka Maintenance space for the heat exchanger elements 160 In case of 71450 inspection hatch the air filt
148. ge range variation between phases is 2 MCA MFA MCA 1 25 x FLA FM1 FLA FM2 MFA lt 4 x FLA Next lower standard fuse rating Min 15A Select wire size based on the value of MCA Instead of the fuse use the circuit breaker I Ventilation e Heat Reclaim Ventilation 39 40 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 2 Options VKM GA M V1 Air suction discharge grille option Flexible duct option High efficient filter option Round hood field supply Branch duct field supply Duct field supply N VKM GAV1 Remote control BRC1A62 General market BRC1D527 EC market 31 Centralized Central remote control DCS302C51 controlling device Unified ON OFF control DCS301B61 General market DCS301B51 EC market 2 Scheldule timer DST301B51 gt Wiring adapter for electrical appendices KRP2A61 General market KRP2A51 EC market 2 5 For ON signal output KRP50 2 amp For heater control kit BRP4A50 8 E For wiring Type indoor unit of VRV FXCQ M FXFQ P FXKQ M FXSQ M FXMQ M FXHQ M FXAQ M FXDQ N FXKQ M FXZQ M S FXNQ M 3 KRP1B61 9 KRP1B61 KRPB3 KRP1B56 KRP1B61 KRP1B57 Installation box for adapter PCB xx KRP1B96 KRP1D98 E KRP4A91 KRP1
149. gh an external contact point use external input terminals T1 and T2 If you start stop using T1 and T2 terminals the entire remote controller group makes a start stop Note 1 JC J2 of ventilation P board cannot be used Because only the ventilation P board makes a start stop no synchronized movement with the corresponding multiple type for building P board is assured Ventilation Heat Reclaim Ventilation 107 DAIKIN HRV VKM GA M V1 10 Outdoor Air Processing of Ceiling Mounted Duct Connection type 10 3 Central Control System e When carrying out a central connection connect the central line to F1 and F2 only on the corresponding multiple type for building P board Do not connect to F1 and F2 on the ventilation side Connect to the terminal block X3M An image sketch of internal wiring on the ventilation side A1P JC A2P T1 Terminal block X3M Note 1 je T2 ati B F1 Corresponding multiple F4 Ventlanon P zboara F2 type for building P board F2 Centralized units P1 P2 Remote control for air conditioner e n case of a central control operation ON OFF can be done separately by each zone In this case zone interlocked setting must be kept as the factory setting 17 08 01 e Structure without a remote controller cannot be accepted because the remote controller group is controlled within a VKM GA M model intelligent Touch Controller central control controller Alteration of s
150. gh efficiency filter option can be attached to the SA surface of the heat exchanger elements 3D051287 Ventilation Heat Reclaim Ventilation HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 5 Wiring diagram VKM50 80 100GAMV1 Power supply 4 r 220 240V 50 Hz TH Note 5 yt 1 FII for wiring Adapter PC board f optional accessories in KRP50 2 Note 2 Tes External output terminals AC220 240V 0 01 1 6A Contact capacity attached the unit A of installation manual attached th OANDA Use copper conductors only e unit Fu Fission wiring dk n central remote control unit Wired remote control gl optional accessory E E DIO S E w SN are ea pas ki s Du Qu Indoor unit KHR KHuR Magnetic relay A3P X
151. gher than the surroundings to avoid the dirty air coming into the room Exhaust Mechanical ventilation Supply Mechanical ventilation D Exhaust Natural ventilation Supply Mechanical ventilation Positive ressure rm Exhaust opening Exhaust Mechanical ventilation Supply Natural ventilation Negative pressure Room LO Ventilation fan Ventilation fan Building parking area in a building boiler room electric room machine room galley warehouse etc Mechanical ventilation W Whole ventilation This is to replace all air in the room with fresh air This system is effective for rooms in which there is a source of smoke steam or odor W Local ventilation This is to replace air in a limited area where the air is polluted This is effective for cases where the source of pollution is stationary and concentrated Combined use with a hood is effective for removing highly contaminated air Important supply flow gt To ensure effective ventilation sufficient air intakes should be provided To Ventilation fan cooling etc Clean room machine Intake Kitchen toilet pantry etc in residential housing and copy room etc j U US Supply 2 V Cooking range iff hood fan 1 ensure stable ventilation the same amount of fresh air as exhausted should be supplied W Size and location of air intakes 1 Siz
152. habitants in a room waste gas generated by use of fire and other conditions of a room Here are 2 patterns of calculating methods Based on inhabitants Required ventilating _ 20xA air flow rate m3 h B A 20 x Living room floor space m B Area occupied per person m The above equation conforms to article 20 2 No 2 of the Building Standards Act in Japan Note 1 20 in the above equation means 20 m h person which is the required ventilating air flow rate based on the CO2 exhausted by an adult sitting still in a room If smoking is allowed other calculation method should be used 2 Use 10 m if the area occupied per person exceeds 10 m Table 1 4n Area occupied per Type of building person N Remarks 2 Floor space of a part used for business Dining houses restaurants coffee shops 3m purposes Cabarets beer halls 2 m2 Floor space of a part used for business 3 purposes P 2 Floor space of a part used for business Japanese style restaurants hall for hire 3m purposes 2 Floor space of a part used for business Store market 3m purposes Pool rooms Ping pong rooms dance 2m Floor space of a part used for business halls bowling alleys purposes Pin ball parlors Go club houses 2m Floor space of a part used for business mahjong parlors purposes 2 Floor space of a part used for business Inns hotels and motels 10m purposes 2 Floor space of a part used fo
153. has been inflated there is a pressure in the balloon that presses against the membrane of the balloon Static pressure is produced also when the air is still e Total pressure This is the sum of wind s dynamic pressure and static pressure W Relationship between pressure types Water column manometer Static pressure Dynamic pressure Total pressure Static pressure Ps is a pressure needed for overcoming the resistance of the duct when conveying air Dynamic pressure Pv on the contrary is a pressure due to air stream To determine air velocity measure the dynamic pressure of the air The total pressure Pt is the sum of static pressure and dynamic pressure 2 Pt Ps Pv Ps id V velocity m sec g Acceleration of gravity m sec y Air density kg m W P Q Curve static pressure flow characteristic curve P Q Curve shows the performance of a ventilation fan by indicating the relationship between air flow and static pressure Fig a shows a case with a wall mount supply opening that is so small that the internal pressure becomes slightly lower than the atmospheric pressure The static pressure is B mm Fig b shows a case with a wall mount supply opening that is so large that the internal pressure becomes almost equal to the atmospheric pressure The static pressure is 0 Pa i i Large Fig a Fig b siy ort Almost equal Bm 0m Od ESen pressure pressure N
154. he included half union joints Refer to Fig 9 Replacement of joints when using copper connections Flare nut Half union joint accessory accessory Jic eet H Unit side un Ts strainer Remove Exchange the included half union joint Fig 9 Water supply piping side Se Copper piping e Use two spanners when attaching or removing pipes to the half union joints e Secure the water supply piping without applying pressure PRECAUTIONS e Use pure water city water tap water or equivalent that satisfies the standard regulated by the law of each country for water supply to the humidifier when performing anti sweat work e Dirty water may cause valves to clog dirt to accumulate in water tanks and resulting in poor humidifier performance Never use water from a cooling tower or warm water for heating e Make sure the supply water is between 5 C and 40 C in temperature and 0 02MPa to 0 49MPa 0 2kg cm to 5kg cm in pressure Include a pressure release valve between the humidifier and the strainer if the water pressure will be higher than this range e Use city water or clean water and take steps to prevent condensation from forming e Also if the supply water is hard water use a water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150mgll Li
155. her point for controlling humidity is to avoid mold ticks and termites To satisfy all of these requirements two types of ventilation must be used in a well controlled combined manner One is to maintain the humidity for our living comfort and the other one is to remove humidity where dryness is required to prevent such mold and small animals Relative humidity recommended 30 7096 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 2 Kinds of Ventilation 11 2 1 Methods of Ventilation Natural ventilation based on the natural conditions and mechanical ventilation using mechanical power W Natural ventilation Uses external wind pressures and or buoyancy force produced by the difference in temperature between the inside and outside of the room subject to natural conditions so the benefits are unforeseeable or smaller than expected W Mechanical ventilation natural ventilation Exhaust Natural ventilation Supply Natural ventilation J j RI Warehouse gymnasium and plants L 4 where heat is used or produced Forced ventilation using a power driven fan or blower produces larger flow in a more stable and timely manner than To ventilate a more heavily polluted room it is necessary to keep the room air pressure lower than the surroundings to avoid the dirty air flowing into the adjacent rooms or passages for clean rooms it is necessary to keep the room air pressure hi
156. hip between the unit and suspension bolts Refer to Fig 2 Leave space for servicing the unit and include inspection hatches Always open a hole on the side of the electric parts box so that the air filters heat exchange elements fans and humidifier elements can easily be inspected and serviced 1764 Unit mm 1688 s Suspension bolt pitch a Exhaust air to outdoors EA a ff li Return air from room RA 8 xm 5 Fresh air from outdoors OA D t J L gt Supply aig rodmi SA LJ IE 7 2 j d i Electric parts box o 360 If the inspection hatch is 1450 Ad 140 If the inspection hatch is 1600 Inspection hatches Fig 2 mm Model A B VKM50GAMV1 VKM50GAV1 832 878 VKM80GAMV1 VKM80GAV1 VKM100GAMV1 VKM100GAV1 1214 1262 2 Make sure the range of the unit s external static pressure is not exceeded See the fan strength and static performance characteristic drawings as well as the general catalog for the range of the external static pressure setting 3 Open the installation hole Pre set ceilings e Once the installation hole is opened in the ceiling where the unit is to be installed pass refrigerant drain piping transmission wiring and remote controller wiring to the unit s piping and wiring holes See 9 Installation 9 6 Refrigerant Piping Work and 9 9 Wiring Example and how to set the Re
157. hort and sloping downwards at a gradient of at least 1 100 to prevent air from forming Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory In areas where freezing may occur always take steps to prevent the pipes from freezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 8096 more or the exit of drain socket is choked up or the air filter is very dirty 3D051324 Ventilation e Heat Reclaim Ventilation 55 56 8 I HRV VKM GA M V1 Operation HRV Heat Reclaim Ventilation e Carefully read this operation manual before using the total heat exchanger It will tell you how to use the unit properly and help you if any trouble occurs This manual explains about the indoor unit only Use it along with the operation manual for the outdoor unit After reading the manual file it away for future reference e This unit is an option type for the VRVIII system air conditioner It should normally be used in combination with the P type VRVIII system indoor air conditioner RXYQ REYQ RXQ It is also possible to use this unit as an independent system e This unit cannot control room temperature If this is needed do not install the HRV unit alone but rather install another indoor unit e Use the remote controller of the VRVIII system
158. icer CV cogi 6 0 g200 e o Pipe 2 400 S lenght 80 Ed 80m S2 amp Ultra High sf S g 300 Ultra High 50 E 60m amp 0250 i Pipe lenght 209 100m 40m 80m 100 60m 40m 20m 20m 0 200 400 600 800 1000 Air flow rate m h 100 200 300 400 500 600 700 Air flow rate m3h 4D051312 4D051313 VKM100GAMV1 Exchange efficiency 50Hz 220V 240V Operating air flow rate range 90 VKM1OOGAMY1 80 500 70 2 E 400 60 om 9250 Be Pipe S 300 lenght g Ultra High 100m wW 200 80m 60m 100 40m 20m 0 200 400 600 800 1000 1200 Air flow rate m h 4D051314 7 1 7 1 9 7 1 9 1 HRV VKM GAMV1 Product Specification Installation VKM GAMV1 Installation method VKM50GAMV1 Heat insulator Locally procured EA Exhaust arto outdoors 48 Round shape food Air suction grille Locally procured Branch duct Locally procured Locally procured OA S Fresh air from outdoors Maintenance space for the heat exchanger elements the air filters fans and humidifier i Inspection i hatch hatch p 1 Control box Flexible duct Locally procured Inspection More than 600 150 250 Cistern tank 9200 Nominal diameter 360 In case of 1450 inspection hatch 140 In case of 1600 inspection hatch Water supply shut off
159. ier System Natural evaporating type Amount kg h 27 4 0 5 4 Feed water pressure MPa 0 0270 49 N 1 1 2 Operation Range Outdoor air 15 15 15 Heat exchange Sound Pressure Ultra high dBA 37 37 5 38 38 5 39 40 39 39 5 40 mode High dBA 35 5 35 5 36 36 37 37 5 37 37 5 38 Low dBA 32 33 34 33 34 35 5 34 34 5 35 5 Bypass mode Sound Pressure Ultra high dBA 37 37 5 38 38 5 39 40 39 39 5 40 High dBA 35 5 35 5 36 36 37 37 5 37 37 5 38 Low dBA 32 33 34 33 34 35 5 34 34 5 35 5 I Ventilation e Heat Reclaim Ventilation 18 I HRV VKM GAMV1 TECHNICAL SPECIFICATIONS VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 Piping connection Liquid Type flare connection Diameter mm 64 6 4 64 Gas Type flare connection Diameter mm 12 7 12 7 12 7 Water supply mm 6 4 6 4 6 4 Drain PT3 4 external thread Refrigerant control electronic expansion valve Insulation material Self extinguishable urethane foam Heat exchange system Air to air cross flow total heat sensible latent heat exchange Heat exchange element Specially processed non flammable paper Air Filter Multidirectional fibrous fleeces Connection duct diameter mm 200 250 250 Operation mode Heat exchange mode bypass mode fresh up mode Standard Accessories Installation and operation manua Duct connection flange M4 tapping screw to connect duct water supply piping with strainer half un
160. if you want to reserve off after time and on after time at the same time I e Ventilation Heat Reclaim Ventilation 71 72 8 HRV VKM GA M V1 Operation 8 3 Operation Procedure 8 3 3 Programming Start and Stop of the System with Timer For example Refer to Fig below When the timer is programmed to stop the system after 3 hours and start the system after 4 hours the system will stop after 3 hours and start 1 hour later Example e Setting off after 3 hours and on after 4 hours will e Operation will stop after 3 hours Operation will then start in 1 hour from the time it stopped How to Program and Set the Timer with the Remote Controller BRC1D527 Refer to Figure 7 e The controller is equipped with a schedule timer that enables the user to operate the installation automatically setting the clock and day of the week is required to be able to use the schedule timer e To set up clock refer to the operation manual of the remote controller Browse to Monday by pressing the e button ar The icon appears MON will blink and one of the CI fal i8 icons one of the B SE XG icons might be displayed but all other fields remain blank indicating that no actions are programmed for Monday Enter the program mode by holding down the D button for 5 seconds the T icon will now blink too Press the 6 button to activate the first progra
161. important parts Even after a certain type of air conditioner is discontinued we have the related important parts in stock for 6 years at least The important parts indicate parts essential to operate the air conditioner E Recommendations for maintenance and inspection Since dust collects after using the unit for several years the performance will be deteriorated to some extent Taking apart and cleaning inside require technical expertise so we recommend entering a maintenance and inspection contract at a cost separate from normal maintenance W Recommended inspection and maintenance cycles Note The maintenance cycle is not the same as the warranty period Table 1 assumes the following usage conditions e Normal use without frequent starting and stopping of the machine Although it varies with the model we recommend not starting and stopping the machine more than 6 times hour for normal use e Operation of the product is assumed to be 10 hours day 2500 hours year e Table 1 Inspection Cycle and Maintenance Cycle Lists Name of Main Part Inspection Cycle Menus asements Electric motor fan damper etc 172 months recommended 1 20 000 hours PC boards 25 000 hours Heat exchanger element 10 years Heat exchanger 5 years z 1 year Sensor thermistor 5 years Remote controller and switches 25 000 hours Drain pan 8 years Expansion valve 1 year 2 20 000 hours Electromagnetic valve 1 year 20 000 hours 1 e When the fan motor fails the rem
162. indoor air conditioner to control the unit 1 Hanger bracket 3 Exhaust fan 7 Maintenance cover 2 Duct connecting flange 8 Heat exchanger elements It exchanges the heat temperature and humidity from indoors with the air taken in from outdoors changes the outside air to the same condition as indoors and then brings it indoors 6 Electric parts box 12 Gas pipe 13 Liquid pipe y gs E 4 Air filter Long life filter d e gt 10 Air supply fan 9 Name plate m 16 Strainer included lt VKM GAMV1 series only 11 Direct expansion coil 14 Drain outlet Important Sometimes when first using the unit the smell of the heat exchanging element may be noticeable but it is not harmful 19 Remote controller Optional accessory 15 Humidifier Natural evaporating type VKM GAMV series only The smell will gradually go away as the unit is used 11 Direct expansion coil 17 Feed water tank lt VKM GAMV1 series only 20 Damper motor Du jt PP 7 X Jp oq rovs 23 RA dei N Return air Exhaust air N eis to outdoors D o qeu o X7 pss SOLUM med Ea c 24 SA Preah ai TE Supply air to Fresh air from ag Bei outdoors D gt AE e outdoor air 5 a 18 Solenoid valve lt VKM GAMV1 series only gt 15 Humidifier Natural evapo
163. ing 2 spots to prevent any possibility water leakage due to dew condensation e Indoor drain piping e Drain outlet 4 Install the water supply piping VKM GAMV1 series only AN CAUTION When installing the water supply piping wash the pipes with tap water so that all dirt is removed from them or install a drain valve somewhere along the piping and drain the pipes thoroughly until the water flowing through them is clear Make sure no cutting oils or detergents get into the pipes e Connect the water supply piping with strainer accessory other pipings and valves locally procured to the indoor unit as shown in the figure at below Water supply piping with strainer accessory Water supply shut off valve Locally procured Water supply pipe Locally procured Locally procured PRECAUTION e When installing the water supply piping do not pass piping in front of the maintenance cover as this will make it impossible to remove the humidifier element e Include the water supply piping with strainer included a water supply shut off valve and a drain valve both locally procured somewhere along the water supply piping that can be reached from the inspection hole e tis impossible to connect the water supply piping directly to public piping Use a cistern tank of the approved type if you need to get your water supply from public piping e When using copper piping for the water supply connections replace t
164. ion joint copper piping joint flare nut copper piping joint refrigerant piping insulation cover water supply piping insulation cover sealing material clamp Notes Cooling and heating capacities are based on the following conditions Fan is based on High and Ultra High The figures in parenthesis indicate the heat reclaimed from the heat recovery ventilator When calculating the capacity as indoor units use 5 6kW Cooling capacities are based on indoor temperature 27 Heating capacities are based on indoor temperature 20 Humidifying capacity is based on Operation sound measured at 1 5m below the center of the unit is converted to that measured in an anechoic chamber built in accordance with JIS C1502 condition The actual operation sound varies depending on the surrounding conditions near running unit The sound level at the air discharge port is about 8 11dB higher than the unit s operating sound For operation in a quiet room it is required to take measures to lower the sound for example install more than 2m soft duct near the air discharge grille Air flow rate can be changed over to Low mode or High mode Normal amplitude input efficiency depend on the other above conditions In case of holding full water in humidifier OA fresh air from outdoor RA return air from the room The specifications designs and information here are subject to change without notic
165. ith indoor unit and remote controller On Blinking On Central control address over lapping inki inki inki Transmission error between the unit and centralized Blinking Blinking Blinking UE controller EN i0 case of the malfunction with the code in white letters on the black background in the unit still operates However be sure to have it inspected and repaired and as soon as possible If other than the above error codes are displayed there is a possibility that the problem in question has occurred with a combined air conditioner or outdoor unit See the operation manuals included with the air conditioners or outdoor units for details I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 6 Trouble Shooting 8 6 3 Ifthe System does Not Properly Operate Except for the Above Mentioned Case and None of the Above Mentioned Malfunctions is Evident Contact your Dealer and Request for Investigation the System According to the Following Procedures by a Qualified Service Person The following malfunctions must be checked by a qualified service person Do not check by yourself e The unit does not operate at all a Check if there is a power failure After power has been restored start operation again b Check if the fuse has blown Change the fuse c Check if breaker has worked Contact your dealer d Are there any problems with the power or wiring Inspect the power and wiring e Are there any
166. ked with the local ventilating fan such as the one for toilet or kitchen the HRV unit performs the over supply operation to prevent inflow of the odor from outside The flow rate of supply air becomes higher than that of exhaust air Both the excessive supply mode Supply Fresh up and the excessive exhaust mode Exhaust Fresh up are selectable In details contact your dealer EXAMPLE OF CONTROL WIRING Connecting line can be extended up to 50m maximum J1 J2 JC FAlF2 Pipa Terminal for local connection HRV unit P1 P2 Remote controller e Local wiring Operation of HRV unit Terminal for local connection Capacity of connecting terminal Fresh up Short circuit No voltage normally open contact Normal Open circuit for micro current 12V 1mA Note The connecting wiring between HRV unit and the terminal for local connection can be extended up to 50m maximum I e Ventilation Heat Reclaim Ventilation 101 102 HRV VKM GA M V1 Installation 9 10 Field Setting and Test Run 9 10 1 Perform Field Settings with the Remote Controller 1 Make sure the electric parts box lids are closed on the indoor and outdoor units 2 Depending on the type of installation make the field settings from the remote controller after the power is turned on following the Field Settings manual which ca
167. l dB 0dB 0 0002ubar ay Approximate threshold hearing for continuous noise 0GAVI 53 125 250 500 1000 2000 4000 8000 Octave band center frequency Hz 4D051294 4D051301 Notes Saale Air Towra NOTES Scale Air flow rate 1 Over All dB U H H L Over All dB U H H L B G N is already rectified A 38 36 33 5 B G N is already rectified A 38 5 36 5 34 5 2 Operating conditons Operating conditons Power source Single phase 50Hz 220V Power source Single phase 50Hz 230V Model VVM50GAV1 Model VVM50GAV1 Ventilation mode total heat exhange Ventilation mode total heat exhange 3 Measuring place Measuring place Remark Remark Operation noise is measured in an anechoic chamber Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions Operation noise differs with operation and ambient conditions U H ultra high H high L low U H ultra high H high L low 4 Location of microphone Location of microphone 1 5m 1 5m Measuring point Measuring point 5 Operation noise differs with operation and ambient con
168. lation l HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 1 Unit converion tables W Sl unit used for refrigeration air conditioning and conversion table SI unit JIS unit Other units Units mainly used in integral multiple of 10 of SI unit Units mainly used in integral multiple of 10 of unit used in combination wi all Remarks 0 000652 0 09290 10 76 0 006944 1 m ft 1 1 689x10 0 02832 35 31 5 787 10 1 k2 m 2 10 m 1d2 10 m 1c 2 10 m kg 1 g cm Ip ft 1 0 001 0 01602 62 43 0 06243 1 ft s 3 281 1 km h zd 1km h 36 m s K C Kelvin Celsius Temperature F 1 N Newton kef Ib 0 102 1 0 4536 0 245 2 205 1 IN 1kg x 1m s Pa Pascal Pa kgf cm Ib in psi 1 9 807x10 6 895x10 1 02x 10 1 0 07031 1 45x 10 14 22 1 Pa N m hPa mmbar I Ventilation Heat Reclaim Ventilation J kcal BTU 1 4186 05 1055 1 2 89x10 1 0 252 9 478x10 3 968 1 135 I HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 1 Unit converion tables W Pressure conversion table kg cm G MPaG psi kgi cmG MPaG p siG p siG MPaG kgficm G p si G MpaG kgf cm G 0 0 0 00 0 0 12 0 1 18 170 6 0 0 00 0 0 350 2 41 24 6 0 2 0 02 2
169. lean the feed water tank I Ventilation Heat Reclaim Ventilation HRV VKM GA M V1 8 Operation 8 7 After sales Service and Warranty After sales service N WARNING Do not modify the unit This may cause electric shock or fire Do not disassemble or repair the unit This may cause electric shock or fire Contact your dealer If the refrigerant leaks keep out of fire The refrigerant used in this unit is safe Although the refrigerant does not usually leak if the refrigerant leaks out into a room and comes in contact with the combustible air in the equipment such as fan heater stove oil gas cooker etc it will cause toxic gas to be generated When a refrigerant leakage failure has been repaired confirm a service person that the leakage point has been corrected surely before restarting operation Do not remove or reinstall the unit by yourself Incomplete installation may cause a water leakage electric shock and fire Contact your dealer W When asking your dealer to repair inform related staff of the details as follows e Shipping date and installation date e Malfunction Inform the staff of the defective details Malfunction code being displayed on the remote controller e Name address telephone number W Repair where the warranty term is expired Contact your dealer If necessary to repair pay service is available m Minimum storage period of
170. male screw 2 S f Y AA Iw f WY E H X m 210 NOTES Specifications are subject to change without notice Be sure to provide two inspection hatches L1450 or the service side of filters and elements The high efficiency filter option can be attached to the SA surface of the heat exchanger elements 600 at 3D051290 F Ventilation e Heat Reclaim Ventilation 45 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 5 Wiring diagram 46 VKM50 80 100GAV1 Power supply 220 240V 50Hz deg a Extemal output KRP50 2 Note2 terminals Tes 0 Contact capacity T FAR ani _ epes ole outst thaws ar Input from outside 1n TR RED raf fe LJ m mam Taz ni UU 5 ul dz Eug HAS y 5551 X me Wired remote control optional accessory 9 UN ni ALW Control box ndoor unit MiF Motor supply air fan Optional accessories ATP Printed
171. may clog the drain piping with dirt or dust causing water leakage from the indoor unit Stop the unit operation and contact your dealer I e Ventilation Heat Reclaim Ventilation 61 62 I HRV VKM GA M V1 8 Operation 8 2 What to do before Operation This operation manual is for the following systems with standard control Before initiating operation contact your Daikin dealer for the operation that corresponds to your system type and mark If your installation has a customized control system ask your dealer for the operation that corresponds to your system 8 2 1 Name of Parts Refer to Figure 1 8 2 2 Remote Controller and Changeover Switch Name and Function of Each Switch and Display Refer to Figure 3 and 4 W Only the items marked with an asterisk mark are explanation relating to the functions and display of the unit Unmarked items are functions of the combined air conditioners When using buttons for functions which are not available buttons which are not described in the text will cause NOT AVAILABLE to be displayed Contact your dealer for more detailed descriptions of those functions buttons 1 On off button Press the button and the system will start Press the button again and the system will stop 2 Operation lamp red The lamp lights up during operation or blinks if a malfunction occurs 3 Display changeover under control May be displayed when combined with a VRV system air
172. me with the remote controller Lastly make sure the customer UUUUUU keeps the Field Settings manual P ODENO along with the operating manual in j y o c3 1 Mode No a safe place FIRST S im 171 CODE NO E FIELD SET MODE AS Lo W Field setting Using the remote controller of the VRV system air conditioner to make HRV unit settings Initial setting e Mode No 17 18 and 19 Group control of HRV units e Mode No 27 28 and 29 individual control Operating procedure The following describes the operating procedure and settings 1 Press the INSPECTION TRIAL button for more than four seconds with the unit in the normal mode to enter the local setting mode 2 Use the TEMPERATURE ADJUSTMENT button to select the desired Mode No The code display will blink 3 To make settings for individual units under group control when mode No 27 28 or 29 is selected press the TIMER SETTING ON OFF button to select the unit No for which the settings are to be made This process is not necessary when settings are made for the entire group 4 Press the top section of the TIMER button to select the FIRST CODE NO 5 Press the lower section of the TIMER button to select SECOND CODE NO 6 Press the PROGRAM CANCEL button once to enter the settings The code display will stop blinking and light up Ventilation Heat Reclaim
173. mmed action A blinking 1 is displayed indicating that the first programmed action for Monday is being programmed The set temperature and clock display are blinking Enter the time when the action must start using the _a_ amp _y_ buttons min step 10 minutes Press the e button to display the next programmed action If a second action is programmed for Monday NON will still be blinking and 2 will appear A AAG Assuming that 5 actions were programmed for Monday a total of 5 presses will be required to display all programmed actions Enter the time when the action must stop using the G A amp Q v J buttons min step 10 minutes Press the i button OFF icon displays This icon means the unit will stop at the set time When all data for the schedule timer actions for Monday are entered you must confirm the programmed actions Make sure the last schedule timer action you want to keep is selected schedule timer actions with a higher number will be deleted 4 8 Now you must choose between 2 options 1 CONFIRM AND COPY TO NEXT DAY The schedule timer action programmed for the current day are also valid for the next day use the confirm last action and copy actions to next day function by pressing the e and b I buttons simultaneously W for 5 seconds DAY OF THE WEEK INDICATOR will change blinking from MV to SUN 2 CONFIRM ONLY
174. mote Controller e After opening the ceiling hole make sure ceiling is level if needed It might be necessary to reinforce the ceiling frame to prevent shaking Consult an architect or carpenter for details 4 Install the suspension bolts Use M10 to M12 suspension bolts DUI DUI Ceiling slab Use a hole in anchor sunken insert NS Anchor bolt sunken anchor for existing ceilings or Antivibration lifting other part to be procured in the field to E l lug or turn buckle i Suspension bolt reinforce the ceiling to bearing the weight of the unit Refer to Fig 3 N Indoor unit Note All the above parts are locally procured Fig 3 I Ventilation Heat Reclaim Ventilation 86 I HRV VKM GA M V1 9 Installation 9 4 The Method of Installation N CAUTION Hold underside of the unit or hanger bracket without putting force on other parts when unpacking or moving the unit As for the parts to be used for installation work be sure to use the provided accessories and specified parts designated by our company 1 Install the unit temporarily e Attach the hanger bracket to the suspension bolt Be sure to fix it securely by using nuts M10 M12 and washers M10 with external dia 30 to 34 mm M12 with external dia 36 to 38 mm locally procured from the upper and lower sides of the hanger bracket Refer to Fig 4 Hanger bracket Duct layout precaution label
175. mount m3 should be reduced to 35 3 mg m or smaller To keep the odor level not greater than 1 the contamination concentration should be reduced to 17 7 mg m or smaller To calculate required air flow based on smoking concentration use the following equation Tobacco combustion mg h person Q ag m h Allowable contamination mg m Example Assumptions Combustion per cigarette 70 Combustion rate 1 000 mg Number of cigarettes per person 4 h person Odor intensity level 2 35 5 mg m 1 000 x 0 7 x 4 Q 35 3 79 3m h person Therefore under the conditions given above in the case of cleaning air using ventilation only about 80 m3 h person of air flow is required By using air cleaners and or deodorizers in conjunction with the ventilation system its capacity can be reduced significantly Required air flow depending on the degree of smoking estimated Degree of smoking Locations E Pee ended vae o MES SRL Denon LN DI 7 51 85 n High ua a 42 51 355 Medium to high Restaurant office 20 26 016 08 Low sometimes EEG hob magang 13 17 0 405 I Ventilation Heat Reclaim Ventilation 125 126 I HRV VKM GA M V1 11 Appendix 11 3 Calculation of Duct Pressure Loss Some types of ventilating fans including those pressure types installed in a cooking range hood are installed in a ducted system The air flow depends on the pressure losses determined a
176. n Heat Reclaim Ventilation I HRV VKM GA M V1 11 Appendix 11 1 Purpose of ventilation 11 1 1 Air Pollution Table 6 Effect of Carbon Monoxide CO Concentration ppm Effect of change in concentration 0 01 0 2 Standard atmosphere 5 Long term based allowable value 10 Building Standard Act and Building Control Act use this value as the 24 hour average environmental standard 20 F E About 5 ppm in annual average Short term based allowable value 8 hour for urban roads over 100 ppm average environmental standard possible for motor highways 50 Vocational environment allowable concentration tunnels and parking areas Japan Industrial Safety and Health Association 100 No effect up to 3 hours effect after 5 hours headache after 8 hours malignant disease long term harmful non lethal 200 Slight pain in the forehead within 2 3 hours 400 Pain in the forehead within 1 2 hours and occipital part within 2 3 hours 800 Headache giddiness nausea and convulsion in 45 minutes and swoon in 2 hours 1 600 Headache and giddiness in 20 minutes and death in 2 hours 3 200 Headache and giddiness in 5 10 minutes and death in 30 minutes 6 400 Death in 10 15 minutes 11 800 Death in 1 3 minutes several 96 Scores of thousands ppm Possible for automobile exhaust emissions Source Facility Check List p
177. n Recuperaci n de Calor 5 5 7 5 7 2 HRV VKM GA M V1 Features Other Features Mechanism of Energy Saving By heat recovery operation Approx 20 reduction of heating cooling load HRV unit recovers the thermal energy during cooling heating operation of air conditioner HRV reduces the cooling heating load drastically and enhances th Exhaust Air Outdoor Air e heating cooling efficiency Return Air Supply Air Heat Exchanger Element Heat Recovery HC0230 By setting to automatic ventilation mode Approx 6 reduction of heating cooling load By Precooling heating operation Approx 2 reduction of heating cooling load Proper use of Heat recovery ventilation and normal ventilation saves energy When the cooling operation is required in winter use of heat recovery ventilation is not efficient because the outdoor air temperature is normally lower than that of the indoor Thus the proper use of ventilation mode enhances the heating cooling efficiency Automatic Ventilation mode changeover Operation Sensor of ventilation Decision of mode Difference between Which is Puoi m indoor outdoor temp energy efficient Coolin Indoor temp Outdoor temp Normal ventilation Bypass 9 Indoor temp Outdoor temp Heat recovery ventilation Heatin Indoo
178. n mode Refer to 8 3 Operation Procedure Note e This unit cannot control room temperature If this is needed do not install the HRV unit alone but rather install another indoor unit I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 2 Safety Cautions 8 2 4 About Direct Duct Connection System Installation Examples Direct duct connection system HC0007 Note e The system must be operated interlocking with the air conditioner e Do not connect to the outlet side of the indoor unit Independent duct system HCOonnaY 1 The HRV unit cannot be operated independently when the air conditioner is connected to the HRV unit via a duct When using the HRV unit set the air conditioner to fan mode on weak fan strength Operation mode display Ventilation is displayed Operation mode selector button NOI ava ABLE a Remote controller for indoor unit Each time you press the operation selection button the operation mode display will change as shown in the figure below Example 1 In case of the remote controller BRC1D527 and as equivalent Display changes as below When air conditioner and HRV When air conditioner and HRV unit are not connected via duct unit are connected via duct Operation mode N lt Operation mode gt VRV VRV Cooling mode
179. necting the HRV unit This is pressed to switch the ventilation mode of the HRV unit 29 Ventilation fan speed control button available only connecting the HRV unit This is pressed to control the fan speed of the HRV unit Refer to item 11 30 LEAVE HOME ICON J The leave home icon shows the status of the leave home function ON Leave home is enabled FLASHING Leave home is active OFF Leave home is disabled 31 DAY OF THE WEEK INDICATOR MON TUE WED THU FRI SAT SUV The day of the week indicator shows the current week day or the set day when reading or programming the schedule timer 32 CLOCK DISPLAY 99 97 The clock display indicates the current time or the action time when reading or programming the schedule timer 33 MAXIMUM SET TEMPERATURE 7 t The maximum set temperature indicates the maximum set temperature when in limit operation 34 MINIMUM SET TEMPERATURE mh The minimum set temperature indicates the minimum set temperature when in limit operation 35 SCHEDULE TIMER ICON O This icon indicates that the schedule timer is enabled 36 ACTION ICONS 12345 These icons indicate the actions for each day of the schedule timer 37 OFF ICON OFF This icon indicates that the OFF action is selected when programming the schedule timer 38 ELEMENT CLEANING TIME ICON x2 This icon indicates the element must be cleaned HRV only 39 PROGRAMMING BUTTON
180. ng its hanger brackets Do not exert any pressure on other parts especially the refrigerant piping drain piping water supply piping and duct connecting flange e f you think the humidity inside the ceiling might exceed 30 C and RH80 reinforce the insulation on the inter unit piping Use glass wool or polyethylene foam as insulation so that it is no thicker than 10mm and fits inside the ceiling opening e Use glass wool or polyethylene form of 10mm or more thick which fit into ceiling opening as insulation material 1 Select an installation site where the following conditions are fulfilled and that meets with your customer s approval e Install in a place which has sufficient strength and stability Beams ceiling and other locations capable of fully supporting the weight of the unit Insufficient strength is dangerous It may also cause vibration and unusual operating noise e Where piping between indoor and outdoor units is possible within the allowable limit Refer to the installation manual for the outdoor unit Where nothing blocks air passage Where condensate can be properly drained Install in a location where the air around the unit or taken into the humidifier will not drop below 0 C Do not install the unit directly against a ceiling or wall If the unit is in contact with the ceiling or wall it can cause vibration e Where sufficient clearance for maintenance and service can be ensured Refer to Fig 1
181. ng point 5 Operation noise differs with operation and ambient conditions VKM100GAMV1 TOTS 3107 TaN YKM100GAMY a Octave band sound pressure level dB 0dB 0 0002ubar 20 Approximate fread hearing for continuous noise 63 128 25D 500 1000 2900 45000 8000 Octave band center frequency Hz 4D051300 NOTES Scale Air flow rate Over All dB U H H L B G N is already rectified A 39 5 37 5 34 5 Operating conditons Power source Single phase 50Hz 230V Model VKM100GAMV1 Ventilation mode total heat exhange Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low Location of microphone 15m Measuring point Operation noise differs with operation and ambient conditions VKM100GAMV1 SE TOE AE FEE WSO TRU UT 800 SDH 240v VKMTOOGANY 0 0002ubar Octave band sound pressure level dB 0dB imate threshold hearing for continuous B noise 63 125 250 500 1000 2000 4000 8060 Octave band center frequency Hz 4D051306 I NOTES Scale Air flow rate 1 Over All dB U H H L B G Nis already rectified A 40 38 35 5 2 Operating con
182. nical ventilation Exiiaist gt Aleiuralveniiancn Exhaust gt Mechanical ventilation Supply gt Mechanical ventilation Supply gt Natural ventilation Supply gt Mechanical ventilation Negative pressure Positive pressure Kinds of ventilation ee ee ere or 2 _ Iu y Room Ventilation fan Room Exhaust opening Room LU Ventilation fan 2 FD MM Clean room machine nags D Ventilation fan ventilation fan cooling etc Intake Building parking area in a building boiler room Kitchen toilet pantry etc in residential electric room machine room galley warehouse etc housing and copy room etc m Required air flow based on CO2 production CO2 is produced by human being s breathing which means that the required air flow depends on the number of persons staying therein and or labor loads To calculate air flow based on CO2 production use the following equation 100M K Ko Q Required air flow m3 h person M CO2 production m3 h person gt see Table A K CO2 concentration limit in normal status see Table B Ko CO2 concentration in the atmosphere normally 0 03 Table A CO Production Depending on Labor Burdens Energy metabolic rate abor burden ay Lee CO2 cU pe c dh 0 Sitting quietly 0 0132 0 013 0 1 Very light work 0 0132 0 0242 0 022 142 Light work 0 0242 0 0352 0 030 2 4 Medium work 0 0352 0 0572 0 046 4 7
183. ning the terminal screws If the blade of screwdriver is too small the head of the screw might be damaged and the screw will not be properly tightened e f the terminal screws are tightened too hard screws might be damaged e Refer to the table below for the tightening torque of the terminal screws Tightening torque N m Treminal block for remote controller Transmission wiring X3M 0 79 0 97 Power supply terminal block X1M 1 18 1 44 Ground terminal M4 1 44 1 94 Precautions when connecting the ground When pulling the ground wire out wire it so that it comes through the cut out section of the cup washer An improper ground connection may prevent a good ground from being achieved Round crimp style terminal Cup washer Spring washer flat washer Ground screw C Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 3 Remote Power Supply Wiring Transmission Wiring Computerised Control Wire e Pass the remote control wiring the transmission wiring and the computerised control wire into the electric parts box through the through hole and connect to the terminals on the X3M terminal block After connection secure with the included cramping material Refer to Fig 18 Detail of terminal block X3M P1 P2 F1 F2 T1 T2 REMOTE TRANSMISSION FORCED EAS Clamp LA CONTORL _ WI
184. nit upside down Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air from forming Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory In areas where freezing may occur always take steps to prevent the pipes from freezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 80 more or the exit of drain socket is choked up or the air filter is very dirty 3D051323 I Ventilation Heat Reclaim Ventilation HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 9 7 2 9 1 Installation Installation method VKM100GAV1 Air suction grille Heat insulator Locally procured Locally procured 1688 m H ye E 4 r EA Branch duct Exhaust air to outdoors e Locally procured Round shape hood M Locally procure OA fX E Silencer Fresh air from outdoors P Locally procured a Control box a i 1 8 Flexible duct H A Locally procured Maintenance space for the heat exchanger Inspection Inspection elements the air filters fans and humidifier
185. ns below freezing point VKM GAMV1 series only Using the unit at temperatures below 0 C may cause the drain pan the supply and discharge piping the humidifying element the solenoid valves and other parts to freeze which can cause accidents f Near machinery emitting electromagnetic waves Electromagnetic waves may disturb the operation of the control system and result in a malfunction of the equipment g Place subjected to much carbon black Carbon black attaches to air filter and heat exchange element marking them unable to use Is a snow protection measure taken For detail consult your dealer Make sure the temperature and the humidity of the installation location is within the usage range not exceed the limit Do not install in cold storage or other locations with low temperatures or near heated pools This may cause electrical shock and fire Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 1 Safety Cautions Install the two outdoor ducts with down slope to prevent rainwater from entering the unit If this is not done completely water may enter the building damaging furniture and cause electric shock and fire e Insulate the two outdoor ducts to prevent dew condensation and the indoor duct as well if needed If this is not done completely water may enter the building damaging furniture etc e Use electric insulation between the duct and the wall when using metal ducts to pass metal
186. nspected and serviced Install the two outdoor ducts with down slope slope of 1 30 or more to prevent entry of rain water also provide insulation for three ducts outdoor ducts and indoor supply air duct to prevent dew condensation material glass wool of 25mm thick Do not turn the unit upside down Make sure install drain piping and insulate drain piping to prevent dew condensation Keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air from forming Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory In areas where freezing may occur always take steps to prevent the pipes from freezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 80 more or the exit of drain socket is choked up or the air filter is very dirty 3D051322 VKM80GAV1 Air suction grille Air discharge grille Heat insulator Locally procured 3 Locally procured Locally procured 1688 p E ge t 4 a F Heatinsuator Branch duct Locally procured EA Exhaust air to outdoors Round shape hood Locally procured L Locally procured e JARSASAAAARASASSASAAE Silencer OA UM Fresh air
187. nt ducts can be effective in reducing the air discharge sound of the supply air to room SA Select materials keeping in mind the fan strength and operating sound of the unit Consult your Daikin dealer for selection e Setthe pitch between the exhaust air outlet EA and the outside air intake OA to 3 times the duct diameter e Do not use a bent cap or a round hood as the outdoor hood if they might get rained on directly We recommend using a deep hood optional accessory e When using a deep hood make sure the duct from the deep hood outer wall to the unit is at least 1m long Outdoor duct j Slope cta Over 1 30 Insulation material Make sure there is Locally procured no slack in the duct Aluminum tape Locally procured Duct connecting flange Aluminum tape Locally procured Fig 16 e The change of air discharge grill s location should be examined when the cold draft from air discharge grill is feared The fan is driving while defrost operation and the cold air is often blowing e When connecting the indoor unit directly to the duct always use the same system on the indoor unit as with the outdoor unit perform group linked operation and make the direct duct connection settings from the remote controller Mode No 17 27 FIRST CODE NO 5 SECOND CODE NO 06 Also do not connect to the outlet side of the indo
188. ntify the point of trouble An explanation of malfunction codes and the corresponding trouble is provided in CAUTION FOR SERVICING of the outdoor unit If the display shows any of the following there is a possibility that the wiring was done incorrectly or that the power is not on so check again Remote controller display Content is display e There is a short circuit at the FORCED OFF terminals T1 T2 L3 is display e The test run has not be performed e The power on the outdoor unit is off iE TAS oh The outdoor unit has not been wired for power supply pm display e Incorrect wiring for the transmission wiring and the wiring era TUBAE the remote controller wiring or FORCED OFF wiring e The transmission wiring is cut is display e MAIN SUP setting of the remote controller is wrong e The power on the indoor unit and HRV is off e The indoor unit and HRV has not been wired for power supply No display e Incorrect wiring for the remote controller wiring and the wiring the transmission wiring or the FORCED OFF wiring e The remote controller wiring is cut d Hn Lc 9 10 3 Next run the Humidifier VKM GAMV1 series only 1 Check that the water supply piping is connected securely 2 Open the water supply shut off valve No water will be supplied at this time 3 Run the HRV unit in heating mode See the operating manual included with the indoor unit
189. o difference e Static pressure point B mr Static pressure 0 Static A Air flow point B Static e Air flow point C pressure pressure B 0 B Air flow m3 h s Air flow m h I Ventilation Heat Reclaim Ventilation 120 11 HRV VKM GA M V1 Appendix 11 2 Kinds of ventilation 11 2 3 Mechanical Fan Types and their Characteristics W Axial fan and centrifugal fan Ventilation fan are roughly classified into two types axial fans and centrifugal fans These two types of ventilation fans are selected depending on the operating conditions and or application Axial fan is normally a propeller fan available for applications for larger flow but at smaller pressure rating ranging between 0 and 30 Pa Centrifugal fan is either a sirocco or turbo fan available for applications that need large pressure and available for ducted ventilation systems Propeller fan gt Sirocco fan gt e The simplest axial flow fan available for small Uses the same theory as water wheel the capacity applications larger air flow can be impeller consists of many small fins facing obtained but at small pressure up to about 30 Pa forward as shown in the figure below higher so that large reduction in flow can occur due to static pressure can be obtained available for resistance e g frictional resistance when various applications flowing in a ducted system L Impeller d Axial
190. on 8 3 Operation Procedure 8 3 2 Setting the Master Remote Controller Refer to Figure 6 e When the system is installed as shown bellow it is necessary to designate one of the remote controllers as the master remote controller e Only the master remote controller can select cooling heating or automatic operation the last only on simultaneous cooling heating systems e The displays of slave remote controllers show SN l changeover under control and they automatically follow the operation mode directed by the master remote controller However it is possible to changeover to program dry with slave remote controllers if the system is in cooling operation set by the master remote controller Cooling heating selection operation systems Simultaneous cooling heating systems If multiple indoor units or many of this unit are connected to outdoor unit via BS unit BS unit This is the unit which selects cooling and C heating When multiple indoor units or this unit are connected to a single outdoor unit BS unit ndoor unit HRV with HRV Indoor unit One of these remote controllers can be designated as the master remote controller One of these remote controllers can be designated as the master remote controller m HOW TO DESIGNATE THE MASTER REMOTE CONTROLLER Lo Pr
191. on Refer to 8 5 1 How to clean the Air Filter 20 Fan speed control button Press this button to select the fan speed of air conditioner combined with this unit 21 Operation mode selector button Press this button to select the operation mode of air conditioner combined with this unit 22 Air flow direction adjust button Press this button to select the air flow direction of air conditioner combined with this unit 23 Fan only air conditioning selector switch Set the switch to ed for fan only operation or to f for heating or cooling operation 24 Cool heat changeover switch Set the switch to X for cooling or to 3e for heating operation 25 Remote controller thermo This detects the temperature around the remote controller This is not the same as the temperature of return air from room RA by heat exchanger unit 26 Display NOT AVAILABLE e NOT AVAILABLE may be displayed for a few seconds if the function for the button pressed is not available for the unit or the air conditioner e NOT AVAILABLE is only displayed when none of the indoor units is equipped with the function in question when running several units simultaneously It is not displayed if the function is available on even one of the units 27 Display 4 See NOT This displays the ventilation mode BRC1D527 and so on This is not displayed on the controller BRC1A62 28 Ventilation mode selector button available only con
192. on have been made To minimize vibration propagation and resonance the product should be firmly mounted on the wall 3 Synthesis of sounds When using two or more ventilating fans in a room consider the synthesized effect of sounds W Other noise Echoes Depending on the type or material of the wall and ceilings of the room and in small room echoes occur e Vibration Vibrating objects produce vibrating sound by moving their surrounding air 20Hz or higher frequency sounds are audible e Noise due to ducts resistance Higher static pressures acting on the fan will produce larger sounds Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 2 Kinds of ventilation 11 2 5 Required Air Flow When calculating the required air flow ventilating capacity various factors including CO2 production by the persons staying therein and production of combustion gases should be considered Calculations should consider all of the requirements that the room should meet W Calculate air flow based on the occupied area per person 20 x room floor area mz Occupied area per person mz Note 1 The number 20 contained in the above equation means 20 m3 h person This value required fresh air has been determined based on the CO2 production of a male adult when he is sitting quietly If he is smoking additional air flow is required Note 2 In the case that the actual occupied area per person exceeds 10 m us
193. on noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 15m Measuring point 5 Operation noise differs with operation and ambient conditions I Ventilation e Heat Reclaim Ventilation 29 30 7 7 1 l HRV VKM GAMV1 Product Specification VKM GAMV1 7 1 6 Sound data 7 1 6 1 Sound pressure spectrum VKM100GAMV1 SE eg ATES an 57 T7973 a 8 50Hz 220V VKMT100GAMVI 0 0002ubar Octave band sound pressure level dB 0dB Approximate threshold hearing for continuous noise 63 25 250 500 1000 2000 4000 ADOD Octave band center frequency Hz 4D051293 Notes Scale Air flow rate 1 Over All dB U H H 3 B G N is already rectified A 39 37 34 2 Operating conditons Power source Single phase 50Hz 220V Model VKM100GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 1 5m Measuri
194. one 1 5m Measuring point 5 Operation noise differs with operation and ambient conditions I Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 6 Sound data 7 1 6 1 Sound pressure spectrum VKM80GAMV1 s oe EI ag sg o oog eeo 50Hz 220V VKM80GAMYI Octave band sound pressure level dB 0dB 0 0002bar 20 Approximate threshold hearing for continuous noise 63 125 259 500 1000 Z000 4000 8000 Octave band center frequency Hz 4D051292 Notes Scale Air flow rate 1 Over All dB U H H L B G N is already rectified A 38 5 36 33 2 Operating conditons Power source Single phase 50Hz 220V Model VKM80GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber Theoperation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 1 5m Measuring point 5 Operation noise differs with operation and ambient conditions VKM80GAMV1 E THOT 5805 50Hz 230V VKM80GAMYT 0 0002ubar 55 40 Octave band sound pressure level dB 0dB proximate threshold hearing for contin
195. ong duct 4 Mounting a flexible duct 5 Mounting a silencer 6 Spiral duct 6 m 2 m long to an air No measures taken 1 2 3 4 5 6 suction discharge grille dB 10 Silencer 5 Spiral duct 6 m Spiral duct 6 m Catalog value Suction discharge grille 5 i a Ss eT Ged HC0061 Note Measure the noise at 1 5 m below the air supply grille Operating noise conforms to JIS standard and the value is converted in terms of the anechoic chamber 7 1 7 6 Nameplate for Note Notes for duct work is written on the HRV units as indicated below 2 When connecting a spiral duct or an aluminum bellows sound at the air discharge outlet is higher by 8 11 phon than the main body operating sound e When using this unit in a quiet place take a remedy for sound by connecting an optional flexible duct at the outlet of the indoor air suction side of the main body I Ventilation e Heat Reclaim Ventilation 34 HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 7 1 8 Fancharacteristics Ventilation Heat Reclaim Ventilation VKM50GAMV1 VKM80GAMV1 Exchange efficiency Exchange efficiency 50Hz 220V 240V 05 50Hz 220V 240V Operating air flow rate range Ore air fow ee 90 90 VKMSOGAMY1 VKMBOGAMYT 80 l 80 E effici Clan 70 Y flor 500 70 Sl
196. ontroller High Low Ultra high High Filter sign display notifies the time for cleaning the filter No need to purchase or install the HRV exclusive remote controller 4 6 can be set at the initial setting only When using the remote controller BRC1A62 Type Interlocked operation with air conditioner Indoor unit lt HRV VKM Structure N Remote Controller HC0228 Featured e Simultaneous operation by air conditioner s remote controller is available e Fan speed can be set at the initial setting Connectable Indoor unit VRV all indoor unit Daikin s HRV FAN mode No falling of dust HC0006 Dust does not fall off from the air filter because the air supply fan of the interlocked indoor unit remains activated even when the HRV is operated independently Other types 7 l rx l OFF Dust HC0005 If conventional HRV with exclusive remote controller is directly connected to indoor unit of air conditioner dust may fall off from air filter when air conditioner is OFF Note 1 In case of the direct duct connection system operate interlocking with indoor units 2 Do not connect the duct with discharge air side of indoor units Installation Examples Direct duct connection system Independent duct system Ventilation Ventilaci n co
197. or unit Depending on the fan strength and static pressure the unit might back up e n the case of suburban buildings where windows and road lighting equipment are close to the air supply opening and insects tends to swarm around the light minute insects may intrude indoors through the air supply opening and air filter In such cases the use of a high performance filter sold separately is recommended However it may be still difficult to prevent the intrusion of very minute insects In that case consider ultimate countermeasures such as a filter box arranged on site I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 9 Installation 9 8 Electric Wiring Work Shut off the power before doing any work All field supplied parts and materials electric works must conform to local codes Use copper wire only All wiring must be performed by an authorized electrician See also the Electrical Wiring Diagram label attached to the electric parts box lid when laying electrical wiring Wire the outdoor unit and remote controller as shown in the electric wiring diagram label See the Remote Controller Installation Manual for details on how to install and lay the wiring for the remote controller This system consists of multiple indoor units Mark each indoor unit as unit A unit B and be sure the terminal board wiring to the outdoor unit and BS unit are properly matched If wiring and piping between the outdoor unit and an
198. or wire laths or metal plating into wooden buildings This may cause electric shock and fire e Arrange the drain hose to ensure smooth drainage Incomplete drainage may cause wetting of the building furniture etc e Avoid placing the controller in a spot splashed with water Water coming inside the controller may cause an electric leak or may damage the internal electronic parts N WARNING For moving and reinstalling repairing e Do not modify the unit This may cause electric shock or fire e Ask your dealer to move and reinstall the unit Incomplete installation may result in a water leakage electric shock and fire e Do not disassemble or repair the unit yourself This may cause electric shock or fire Contact your dealer to have such work done e When removing the unit be sure not to tip it The water inside the unit may drip or leak out and get on furniture etc e Do not move or attempt to reinstall the remote controller yourself Incorrect installation may cause electric shock or fire Contact your dealer to have such work done CHECK LIST EXCEPT SAFETY CAUTION The items described below should be checked and ask your dealer when you feel uncertain or you can t check by yourself W CHECK LIST ABOUT SELECTING INSTALLATION SITE e Is the outdoor unit installed in a well ventilated location with no obstructions in its vicinity e Do not use in the locations described below a Locations with mineral oil such as cutting oil in
199. orption Highly humid Move through capillary Doa Less humid air Water vapor Moisture release Moisture absorbing liquid e Polymer material that inhibits air permeability that treated on the surface of the heat exchanger element restrains air permeability I Ventilation Ventilaci n con Recuperaci n de Calor 13 l HRV VKM GA M V1 5 Features 5 7 Other Features 5 7 5 Easy Installation and Service Maintenance Downsized Model name Height mm VKM50GAMV1 VKM50GAV1 VKM80GAMV1 VKM80GAV1 VKM100GAMV1 VKM100GAV1 387 Parallel air flow system Daikin Cross air flow system Others This system prevents misconnection and simplifies the installation work RA EA RA EA HC0235 HC0234 5 7 6 The Operation is Available When the Outdoor Air Temperature is Down to 15 C Operation when the outdoor air temperature becomes lower than 10 C When the outdoor air suction temperature becomes lower than 10 C the unit is changed to intermittent operation to prevent freezing of the heat exchanger element and dew condensation within the unit Intermittent operation The outdoor air thermistor standard equipment within the unit detects the temperature According to the detected temperature the following operation determines lt Step 1 gt e The air
200. ote controller does not display any error code Usage under that status will lead to insufficient ventilation The air supply and exhaust fans should be checked once every one or two months e You can make a simple check such as below way To check the wind flow hold a bar of which the end has a string or other similar lightweight item over the supply grille and exhaust grille 2 When the solenoid valve fails the remote controller does not display any error code Usage under that status will lead to insufficient humidification and increased tap water consumption The solenoid valve should be checked at the biginning of the heating season 80 I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 7 After sales Service and Warranty Note 1 This table indicates main parts See the maintenance and inspection contract for details Note 2 This maintenance cycle indicates recommended lengths of time until the need arises for maintenance work in order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Depending on the content of the maintenance and inspection contract the inspection and maintenance cycles may in reality be shorter than those listed here Shortening of maintenance cycle and replacement cycle needs to be considered in the following cases e When used in hot humid locations or locations wh
201. p I Ventilation Heat Reclaim Ventilation l HRV VKM GAMV1 ELECTRICAL SPECIFICATIONS VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 Power Supply Name V1 Phase 1 1 1 Frequency Hz 50 50 50 Voltage V 220 240 Nominal running Heat exchange Ultra high A 3 00 3 00 3 00 current RLA mode High A 2 50 2 60 2 50 Low A 2 10 2 10 2 10 Bypass mode Ultra high A 3 00 3 00 3 00 High A 2 50 2 60 2 50 Low A 2 10 2 10 2 10 Current Minimum circuit amps MCA A 4 30 4 30 4 30 Maximum fuse amps MFA A 15 15 15 Fan motor rated output kW 0 028 x 2 Full load amps FLA A 1 9x2 Voltage range Minimum V 198 198 198 Maximum V 264 264 264 Notes Voltage range Units are suitable for use on the electrical systems where the voltage supplied to the unit terminals is not below or above the listed range limits Maximum allowable voltage range variation between phases is 2 MCA MFA MCA 1 25 x FLA FM1 FLA FM2 MFA lt 4 x FLA Next lower standard fuse rating Min 15A Select wire size based on the value of MCA Instead of the fuse use the circuit breaker I Ventilation e Heat Reclaim Ventilation 19 20 HRV VKM GAMV1 7 Product Specification 7 1 VKM GAMV1 HUMIDIFIER VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 VKM50GAMV1 VKM80GAMV1 VKM100GAMV1 Humidifier type Natural evaporating type humidifier Wetted element Porosity
202. plate 60 pcs Porosity plate 90 pcs Porosity plate 120 pcs 60x2 pcs Water inlet port 6 4 C1220T Flare Connection Water outlet port PT3 4 Supply water pressure kg cm 0 2 Min 5 0 Max Notes 1 Feed clean water city water tap water or equivalent Dirty water may clog the valve or cause dirt deposits in the water container resulting in poor humidifier performance Never use any cooling tower water and heating purpose water Also if the supply water is hard water use a water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150 mg l Life of humidifying element is about 1 year 1 500 hours under the supply water conditions of hardness 400 mg l Annual operating hours 10 hours day x 26 days month x 5 month 1 300 hours 2 Maintain the supply water temperature at 5 50 C and its pressure at 20 490 kPa 0 2 5 0 kg cm2 If the water pressure is above 490 kPa 5 0 kg cm2 add pressure reducing valve in between the kit and the supply water shut off valve The supply water line cannot be directly connected with a utility water tap To unavoidably take water from such line employ a CISTERN gotten configuration authorization Be sure to provide thermal insulation around the indoor piping as well as the shut off valves In order to prevent harmful bacteria from gen
203. play that it will operate for a set amount of time AT LEAST ONCE EVERY YEARS FOR GENERAL OFFICE USE CLEAN THE MORE FREQUENTLY IF NECESSARY e Increase the frequency of cleaning if the unit is installed in a room where the air is etermely contaminated e Ifthe dirt becomes impossible to clean change the air filter Air filter for exchange is optional 1 Detach the maintenance cover Go into ceiling through the inspection hatch remove binding metal of maintenance cover and take it off Refer to figure 8 1 2 Detach the air filter Take out from the heat exchange elements Refer to figure 8 2 3 Clean the air filter Refer to figure 9 Use vacuum cleaner A or wash the air filter with water B A Using a vacuum cleaner B Washing with water When the air filter is very dirty use soft brush and neutral detergent After cleaning remove water and dry in the shade Note e Do not wash the air filter with hot water of more than 50 C as doing so may result in discoloration and or deformation e Do not expose the air filter to fire as doing so may result in burning e Do not use gasoline thinner or other organic solvents This may cause discoloration or deformation 4 Fix the air filter If the air filter is washed remove water completely and allow to dry for 20 to 30 minutes in the shade When dried completely install the air filter back in place Refer to figure 10 Note e Be sure to install the air filter after servicing Mi
204. problems with the fan unit Inspect the fan motor and fan e Amount of discharged air is small and the discharging sound is high a Check if the air filter and heat exchange element are clogged Check both SA and RA air filter Check both sides of elements Clean the air filter and heat exchange element e Amount of discharged air is large and so is the sound a Check if the air filter and heat exchange element are not installed Install the air filter and heat exchange element e It dries usually in winter lt VKM GAMV1 series only a Is the water supply service valve open Open the water supply service valve b Have you lowered setting on the humidistat locally procured too far Correct the setting e Humidifies very little or not at all lt VKM GAMV1 series only a Is there water in the water supply tank b Is water being supplied Inspect the water supply pipes and supply the water c ls the strainer clogged Clean the strainer d Is the solenoid valve broken i e won t open Replace the solenoid valve e ls the humidifier element torn Replace f Has the water resistance of the humidifier element dropped Replace the humidifier element Q Are the control circuits broken Replace the printed circuit board and other electric parts h Is the float switch broken Replace the float switch i ls the water supply pressure sufficient Re set it so that there is sufficient pressure j ls there foreign matter in the feed water tank C
205. pter must be selected carefully 3 Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing COMPLETE SYSTEM EXAMPLE Power supply VRV Outdoor unit VRV Indoor unit c Power supply wiring Sheathed cable HO5VV 03G Power supply wiring Sheathed cable HO5VV 03G Transmission wiring Switch Sheathed cable Fuse d HRV VKM VRV Indoor unit D Remote control HRV VKM I Ventilation Heat Reclaim Ventilation 95 96 9 HRV VKM GA M V1 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 2 Connecting Power Supply Wiring and Ground Wiring 4 Use round crimp style terminals for connecting wires to the power supply terminal block If unavailable observe the following points when wiring e Do not connect wires of different gauge to the same power supply terminal Looseness in the connection may cause overheating Use the specified electric wire Connect the wire securely to the terminal Lock the wire down without applying excessive force to the terminal Tightening torque 181N cm 10 Attach insulation sleeve ea e Round crimp style terminal Electric wire 5 Tightening torque for the terminal screws e Use the correct screwdriver for tighte
206. r business Massage parlors 5m purposes 4 fm Persons accommodated simultaneously with Meeting places public halls 9S Fm the number of persons calculated per unit Offices 5 m Floor space of an office Values set by the Metropolitan Maintenance Bureau in Japan Note 1 Table indicates the required ventilating air flow rate calculated as 20 m h 2 The area occupied per person by type of business is calculated in reference to Application Standards for building administration in compliance with Building Standards Act in Japan Based on Room size Required ventilating air flow rate m h ORDE C Number of ventilation required per hour ventilation h D Area of room m E Height of Ceiling m Calculation is based on the experiences of hygienic laboratory etc to find out the number of hourly ventilation of the room air Selection example Place Living room of common household Required ventilation 6 times h See Table 2 Area of room Approx 30 m Height of ceiling 2 4 m Required ventilating air flow rate 6 x 30x 2 4 432 m3 h Required ventilating air flow rate 500 is almost equivalent to the unit type 50 So select the close size of the unit In this case select VKM50GAMV 1 Ventilation Ventilaci n con Recuperaci n de Calor 15 16 6 l HRV VKM GA M V1 Selection Procedures in Japan
207. r e Prevents outflow of airborne bacteria from rooms in a hospital effects e Prevents inflow of outdoor air in winter e Prevents outflow of odors from rooms in a nursing home Application Offices etc Hospitals Nursing homes etc Portion of fresh HRV Air exhaust HRV operation apis VKM Normal VKM Air exhaust ventilation fan r Air supply Example 1 Sick room Floor areal Air supply Portion of li exhaust operation 5 7 4 Proprietary Developed HEP Element The heat exchanger element uses a High Efficiency Paper HEP that has superior moisture absorption and humidifying properties and doubles the current efficiency of moisture absorption The heat exchanger unit speedily recovers heat contained as latent heat vapor The element is made of a material with superior flame resistant properties and is treated with an anti molding agent Operation of the heat exchanger element Outdoor Indoor 30 6 C 62 RH 32 C 70 RH Int grally formed liner HC0013 HEP anti molding Features e High air shielding Even in the conventional less humidity conditions maintaining the features of the material that can get excellent moisture permeability we have achieved high air shielding by special processing in the step of milling paper Polymer material Air component that inhibits air permeability N Moisture permeability mechanism alr N Moisture abs
208. r static pressure and Higher Static reduced pressure loss 20 D Fan scroll angle s Goose Nal CCl 60m ru suction In addition to increasing n The fan diameter the scroll wrap angle 0 a 50 has been and boosting the static increased and the pressure the outflow 40m blade width angle a has been High optimized to suit optimized to reduce 10 resulting in higher pressure loss in the static pressure outflow area Low 20m 50 100 200 300 400 500 600 700 Air flow rate m h 5 2 2 Operable Outdoor Temperature Down to 15 C If the outdoor air temperature falls below 10 C the unit changes to intermittent operation to prevent freezing of the heat exchanger element and dew condensation within the unit Intermittent operation A thermistor standard equipment within the unit detects the outdoor air temperature Unit operation varies according to the detected temperature Indoor Unit Connectable to up to 130 of the Capacity 5 2 3 Slim Design The slim design of only 387 mm in height enables installation inside ceilings with less than 400 mm of clearance I Ventilation Ventilaci n con Recuperaci n de Calor DAIKIN HRV VKM GA M V1 5 Features 5 3 Energy Saving 5 3 1 Automatic Heat Purge Function at Night Not operating Automatic heat purge control Automatic heat pu
209. r temp Outdoor temp Heat recovery ventilation g Indoor temp lt Outdoor temp Normal ventilation Bypass Refer to the CONTROL for the mode changeover Exhaust Air Heat Recovery mode Outdoor Air Heat Exchanger Element Heat Recovery Return Air Supply Air HC0231 Automatic Normal Bypass mode Exhaust Air Outdoor Air Heat Exchanger Element Changeover Return Air A Supply Air HC0232 Total 26 reduction of heating cooling load Reduction of heating cooling load Normal HRV independent operation operation Interlocked operation HC0233 Note The total heating cooling load may vary depending on the climate or the other environmental conditions Ventilation Ventilaci n con Recuperaci n de Calor I HRV VKM GA M V1 5 Features 5 7 Other Features 5 7 3 Fresh up Operation Both the excessive supply mode and the excessive exhaust mode are selectable This function creates a more comfortable air environment Supply Fresh up Exhaust Fresh up Excessive outdoor air supply Excessive exhaust air supply Detail Supply air volume can be set at a higher level Exhaust air volume can be set at a higher level than the exhaust air by the remote controller than the supply air by the remote controller Major e Prevents inflow of toilet odo
210. rating type lt VKM GAMV1 series only gt Figure 1 Ventilation Heat Reclaim Ventilation e HRV VKM GA M V1 8 Operation Combined operation system with VRV systems Indoor unit HRV With DX Coil Remote control for indoor unit Outdoor unit Independent system HRV With DX Coil Outdoor unit Remote control for indoor unit Figure 2 VDAIKIN Figure 4 P AIR CONDITIONER iir TEST BRC1A62 Remote control for VRV BRC1A62 Figure 5 Remote control for VRV BRC1A62 Figure 3 e m 69 4 OO aD a 5 Ll ung 579 iii CH I 5 l E nind j e Ee e e 1a igor Boe We ae LH HHA ES G eor 27 semnalarea e ar T el S e oo 22 e E og om XXn 9 era zn va rum mi w Le OO POD 26 Remote control for VKM BRC1D527 EU only Figure 3
211. ration Automatic Heat Purge Function at Night The nighttime free cooling is an energy conserving function which works at night when the air conditioners is off reducing the cooling load in the morning when the air conditioner is turned on by ventilating rooms which contain office equipment which raises the room temperature e Nighttime free cooling only works during cooling and when connected to Building Multi or VRV systems e Nighttime free cooling is set to off in the factory settings so request your dealer to turn it on if you intend to use it Operation image a Outside temperature b Indoor temperature c Set temperature d Operating state of Air conditioner e Operating state of Total heat exchanger Operating state Temperature C 22 00 24 00 time Following morning W EXPLANATION OF NIGHTTIME FREE COOLING OPERATION IMAGE The unit compares the indoor and outdoor temperatures after the air conditioning operation stops for the night If the following conditions are satisfied the operation starts and when the indoor temperature reaches the air conditioning setting the operation stops lt Conditions gt 1 the indoor temperature is higher than the air conditioning setting and 2 the outdoor temperature is lower than the indoor temperature If the above conditions are not satisfied reevaluation is made every 60 minutes DAIKIN Ventilation Heat Reclaim Ventilation 68 HRV VKM GA M
212. rectly converted into dB without changing the numerical value Use sound level meters in the A weighted mode W Allowable noise level Building codes specify the allowable noise level for each type of room See Table 1 for selecting Table 1 Allowable noise level depending on the type of room Use of room dB Use of room dB Broadcasting studio 25 Cinema 40 Music hall 30 Hospital 35 Theater about 500 seats 35 Library 40 School room 40 Small office room 45 Meeting room 40 Restaurant 50 Apartment 40 Gymnasium 55 Hotel 40 Large office room 50 Residential housing living room etc 40 Factory 70 W Notes for noise level The noise ratings shown on the nameplate of a product are those measured in an anechoic room per the relevant JIS standard that specifies measuring procedures including the distance between the noise source under test and the sound level meter To select types of ventilating fans observe the following three notes 1 The environment affects the noise level The nameplate values are those measured in an anechoic room Actual buildings have echoes from the walls floors and ceilings so that the noise level depends on the building materials used and how wide the room is Use appropriate echo coefficients to determine the actual noise level and available fan types 2 Vibration Motor driven fans a type of rotating machine inevitably produce vibration though our largest efforts to reduce such vibrati
213. rge control The heat which accumulated indoors is discharged at night Air conditioning load of the next day is reduced and efficiency is increased Mechanism lt Operation gt 1 Interlocking operation is carried out with the air conditioning machine and the time of 2 hours passing after an operation stop is judged to be night The same judgment as the present preparatory operation After 2 hour progress when indoor temperature is higher than the preset temperature of an air conditioning machine and higher than outdoor temperature operation is started Operation will be stopped if indoor temperature falls to air Generation of heat with a PC etc and its heat are reserved to a wall ceiling Cold Air Heat Rel Heat is discharged Morning 455 o The load of air conditioner is large and temperature does not fall easily J There is little load and it is to comfor able temp immediately In case of interlocking operation with an air conditione Temp 40 30 20 ON HRV OFF ON Air FF Conditioner 9 conditioning machine preset temperat
214. rt of the combined operation system used together with indoor units VRVIII system air conditioners or as an independent system for processing outside air When connecting with a cooling free building multi type and bringing the RA exhaust gas intake of this unit directly in from the ceiling connect to a BS unit identical to the building multi indoor unit master unit and use group linked operation See the Engineering Data for details I Ventilation Heat Reclaim Ventilation Lo HRV VKM GA M V1 9 Installation 9 9 Wiring example and how to set the Remote Controller 9 9 5 Wiring example Combined operation system with VRVIII system connected with HRV units and standard indoor units in a single refrigerant circuit Outdoor uni Bere FTIFZIETIEZ Power supply Power supply Power supply 220 240V 220 240V 220 240V 50 Hz 50 Hz 50 Hz Switch Switch Switch Fuse Fuse Fuse Transmission wiring Rem te control y Remote control wiring wA L7 A gt iV M Remote control 5m RIS PIPER Standard indoor Ts Pippa ea Ta Standard indoor LIN m PexTrdEa ra eer unit A une processing type Fanni Earth 1 Earth 4 Independent system conne
215. ry to have the entire body of the unit covered with it Note however that some models do not allow the use of a sound insulating sheet because it may badly affect the ventilation of their radiation heat I Ventilation e Heat Reclaim Ventilation 31 32 7 7 1 7 l HRV VKM GAMV1 Product Specification VKM GAMV1 1 7 Reducing Operating Sound 7 1 7 3 Reducing Operating Sound Heard from the Air Discharge Outlet Suction Inlet 1 7 Use the following recommended optional accessories to reduce operating sound heard from attic installed duct type models Fig 3 Fig 3 0o 3 HC0058 1 Sound eliminating box Silencer 2 Flexible duct 3 Sound eliminating air suction discharge grille If the above accessories do not give satisfactory effect or when an attic installed cassette type model is used take the following measure HC0059 1 Apply a sound absorbing material to the interior of the room 1 7 4 Effect of Remedy for Sound Caution 1 Be sure to connect a flexible duct 2 m to an outlet of the main body in the indoor air supply side 3 To reduce the air flow sound heard from the air discharge outlet suction inlet of an attic installed duct type model use a small diameter flexible duct which excels in sound absorptivity for greater sound reduction e
216. s and their Characteristics Wind velocity vs wind pressure and ventilator capacity reduction due to wind pressures air flow for 50 Hz only External air velocity ib o rS Propeller fan Sirocco fan Vm sec 0 0 924m3 h 432m3 h 3 3 9 810 420 5 10 8 612 408 7 20 6 294 Reverse flow 390 10 43 1 Reverse flow 360 15 96 0 Reverse flow 264 20 171 5 Reverse flow 210 Change in fan capacity due to wind pressures 20 4 15 I 4 Sirocco m Wind i vasa 10 pee Propeller m E fan k spt eee i ES 0 300 600 900 Air flow m h I Ventilation Heat Reclaim Ventilation 121 122 11 HRV VKM GA M V1 Appendix 11 2 Kinds of ventilation 11 2 4 Operating Sound As well as the required airflow and static pressure the operating sound noise level is an important factor for determining the type of ventilating fans The noise level allowable limit may have been defined depending on the use of the room to be ventilated Select an appropriate type of ventilating fans according to the noise requirements W Operating sound unit dB A weighted sound pressure level measured using a sound level meter is the measure of sound produced by an operating ventilator fan There has been many units used phon A phon dB A and dB This catalogue uses the internationally unified unit dB Note that the sound pressure level in phon can be di
217. s are designed so that the air flow through the main opening on the fan is about twice larger than that through the sub opening for cases where the distance between the main and sub openings is about 1 m However this air flow proportion can be adjusted by moving the air flow adjusting plate located on the grille of the main unit e Components that constitute the ceiling should be strong enough to prevent vibration and sympathetic Sounds Recommended material gypsum board cement excelsior board fiber board e Exhaust duct ends should be fitted with a vent cap or weather cover to prevent rainwater entry and bird nesting e n cold weather areas the ducts should be thermal insulated In cold weather areas or in winter condensation may occur due to the difference in temperature between the duct surroundings and living room To avoid condensation the ducting and their connections should be thermal insulated Insulation Local rules and regulations may have special requirements for fire dampers and bellows For details consult the authorities e For bathrooms use ventilating fans specially designed for bathroom use Never fail to earth the fan e Electric wiring should be done by a qualified electrician electric engineering firm High voltage connections are dangerous I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 5 How to use Psychrometric Chart 11 5 1 Unit conversion tables
218. se a bent cap or a round hood as the outdoor hood if they might get rained on directly we recommend using a deep hood optional accessory In areas where freezing may occur always take steps to prevent the pipes from freezing Do not place something which shouldn t be get wet at the below of this unit The dew would fall at following case where humidity is 80 more or the exit of drain socket is choked up or the air filter is very dirty Feed clean water the supply water is hard water Use water softener because of short life Life of humidifying element is about 3 years 4 000 hours under the supply water conditions of hardness 150mg L Life of humidifying element is about 1 year 1500 hours under the supply water conditions of hardness 400mg L 3D051321 Ventilation Heat Reclaim Ventilation l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 1 Specifications TECHNICAL SPECIFICATIONS VKM50GAV1 VKM80GAV1 VKM100GAV1 Fresh air Cooling kW 4 71 7 46 9 12 conditioning load Heating kW 5 58 8 79 10 69 Power input Heat exchange Ultra high kW 0 560 0 620 0 670 nominal mode High kW 0 490 0 560 0 570 Low kW 0 420 0 470 0 480 Bypass mode Ultra high kW 0 560 0 620 0 670 High kW 0 490 0 560 0 570 Low kW 0 420 0 470 0 480 Casing Material Galvanised steel plate Dimensions Height mm 3
219. ssing air filter causes clogged heat exchange element The air filter is an optional item and the replacement is available 5 Install the maintenance cover Refer to 8 5 1 1 For remote controllers which display the filter sign turn on the power after maintenance and press the filter sign reset button Consult your dealer if you want to change the time setting for when the filter sign goes on N CAUTION e Always use the air filter If the air filter is not used heat exchange elements will be clogged possibly causing poor performance and subsequent failure I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 5 Maintenance for a Qualified Service Person only 8 5 2 Howto clean the Heat Exchange Element AT LEAST ONCE EVERY TWO YEARS FOR GENERAL OFFICE USE CLEAN THE ELEMENT MORE FREQUENTLY IF NECESSARY N WARNING e Please exchange the heat exchange element if you find that the knob of the heat exchange element is damaged or is deteriorated when cleaning it There is falling danger 1 Detach the maintenance cover Refer to 8 5 1 1 2 Detach the air filter Refer to 8 5 1 2 3 Take out the heat exchange elements Pull out the air filter and then pull out the two heat exchanger elements Refer to figure 11 4 Use a vacuum cleaner to remove dust and foreign objects on the surface of the heat exchange element Refer to figure 12 Us
220. suction discharge grilles etc before the installation of the unit Before Installation The accessories needed for installation must be retained in your custody until the installation work is completed Do not discard them After carrying in the unit protect it with packing materials to prevent it from scratching until installation work is done 1 Decide upon a line of transport 2 Leave the unit inside its packaging while moving until reaching the installation site Where unpacking is unavoidable use a sling of soft material or protective plates together with a rope when lifting to avoid damage or scratches to the unit Hold the unit by the hanger brackets 4 when opening the crate and moving it and do not lift it holding on to any other part especially the refrigerant piping the drain piping the water supply piping and the duct connecting flange e Be sure to check the type of R 410A refrigerant to be used before installing the unit Using an incorrect refrigerant will prevent normal operation of the unit e For the installation of an outdoor unit refer to the installation manual attached to the outdoor unit 9 1 1 Precautions e Be sure to instruct customers how to properly operate the unit especially maintenance of air filter and operation procedure by having them carry out operations themselves while looking at the manual e Where the air contains high levels of salt such as that near the ocean and where voltage flu
221. t Depending on the fan strength and static pressure the unit might back up c When it is connected to the suction side of indoor unit as a direct duct connection system etc since there is a possibility that the body thermo of the indoor unit detects erroneously SA discharge from this unit as indoor air use the remote sensor Optional I Ventilation Heat Reclaim Ventilation p Dancin HRV VKM GA M V1 10 Outdoor Air Processing of Ceiling Mounted Duct Connection type 10 5 About the basic control of VKM 10 5 1 Basic control of VKM VKM sucks the air after OA has subjected to total heat exchange with RA detects the air temperature by means of the thermistor for inlet air into DX coil R3T to make a judgment on operation mode cooling or heating and exercises the control on the capacity of air heat exchanger W Sensor position and its function VKM consists of indoor unit total heat exchanger portion Dissimilarities with normal indoor unit are Position of thermostat in the normal indoor unit Position to detect RA temperature Position of thermostat in VKM Position to detect the air subjected to total heat exchange between OA and RA Therefore the temperature detected by VKM gets lower than that of the indoor unit thermostat Doing so allows VKM to perform treatment of outside air with stability even as the indoor unit stays thermo OFF state because of big difference between the set temperature and suction
222. t Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 3 Operation Procedure 8 3 1 Cooling Heating and Fan Only Operation Refer to Figure 5 W EXPLANATION OF OPERATION MODE Cooling mode Heating mode e Automatic mode A While operating in ventilation mode the unit adjusts the It automatically selects 3 or outside air to the indoor temperature and then brings it Fan mode oa into the room ie ki It only operates in ventilation mode The unit processes outside air using the heat exchanger element but not the DX expantion coil Note e This unit cannot control room temperature If this is needed do not install the HRV unit alone but rather install another indoor unit W EXPLANATION OF VENTILATION MODE Note e These icons below are displayed on the remote controller BRC1D527 Automatic mode Ec When combined with a VRVIII system air conditioner The unit automatically switches between 2 and S7 based on information from the VRVIII system air conditioner heating cooling fan and Set temperature and information from the HRV unit indoor and outdoor temperatures The unit automatically switches between Sg and S when itis combined with an air conditioner Not producted by Daikin and based on only the information from the HRV unit indoor and outdoor temperatures when the HRV unit is operating alone Total heat exchange mode 2 Outdoor air passes through the h
223. t may cause oxygen deficiency leading to bad health condition or long term health problems e Use gloves when cleaning Cleaning without gloves may cause injury e Do not operate the remote controller with wet hands This may cause electric shock e Never touch the internal parts of the controller An electric shock or a machine trouble may happen For checking and adjusting the internal parts contact your dealer Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit Leaves are a hotbed for small animals which can enter the unit Once in the unit such animals can cause malfunctions smoke or fire when making contact with electrical parts I e Ventilation Heat Reclaim Ventilation 59 60 8 8 1 HRV VKM GA M V1 Operation Safety Cautions N WARNING For installation Do not attempt to install the unit yourself Ask your dealer for installation of the unit Incomplete installation performed by yourself may result in a water leakage electric shock and fire Installation should be done following the installation manual Incorrect installation may cause leaking electric shock or fire Injuries may result if the unit falls Do not install the unit in locations where the temperature in the areas around the unit or indoor intake and outlet grills may fall below freezing lt VKM GAMV1 series only gt The water of the water pipes humidifier elem
224. tank Check for dirt Clean if very dirty Weak fan strength Reduced humidifying capacity Solenoid valve Check for shutting and opening Check in a similar fashion when checking the float switch operation Replace if it doesn t work Insufficient humidifying Overflowed feed water tank Increased tap water consumption 8 5 5 Inspection of the Fan Motor Note e When the fan motor fails the remote controller does not display any error code Usage under that status will lead to insufficient ventilation The air supply and exhaust fans should be checked once every one or two months You can make a simple check such as below way To check the wind flow hold a bar of which the end has a string or other similar lightweight item over the supply grille and exhaust grille 8 5 6 Replacing the Humidifier Element lt VKM GAMV1 series only e The humidifier element needs to be replaced regularly The humidifier element should in general be replaced once every three years when supply water is soft water but outside factors If the water quality is hard water etc as well as operating conditions 24 hour a day air conditioning etc may shorten its productive life e Contact your dealer if you have any questions I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 8 Operation 8 6 Trouble Shooting 8 6 1 TheFollowing Situations are not Malfunctions Operation does not start
225. technical materials Table Remote controller type BRC1A62 BRC1D527 NOTE 1 If you use the remote controller which is not listed in above table please consult your dealer NOTE 2 We recommend the remote controller BRC1D527 especially when the unit is used as independent system Because it displays the ventilation mode and can be selected ventilation fan mode with the button e When installing the unit have ready the round shape hood the air discharge grille and the air suction grille and other parts needed for the installation Consult your Daikin dealer when selecting optional accessories FOR THE FOLLOWING ITEMS TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED a Items to be checked after completion of work Items to be checked If not properly done what is likely to occur Check Are the indoor and outdoor unit fixed firmly The units may drop vibrate or make noise Is the outdoor duct installed to outside with down slope Refer to Fig 16 Condensate water may drip Is the gas leak test finished It may result in insufficient cooling Is the unit fully insulated Condensate water may drip Does drainage flow smoothly Condensate water may drip Does the power supply voltage correspond to The unit may malfunction or the components that shown on the name plate burn out Are wiring and piping correct The unit may malfunction or the components burn out Is th
226. the atmosphere b Locations with salt in the air such as coastal areas c Locations with sulfide gas in the air such as hot springs d Locations where voltage fluctuates such as factory e In automobiles or marine vessels f Locations containing steam in the atmosphere or splattered oil such as kitchen g Locations with mechanical equipment generating electromagnetic wave h Locations enveloped in acidic or alkaline steam e Has any action for snow protection been taken Contact your Daikin dealer for details W CHECK LIST ABOUT ELECTRIC WIRING WORK e All wiring must be performed by an authorized electrician Do not conduct the work yourself Contact your dealer Electrical wiring must be done according to the local standards Is the circuit specific to air conditioner W CHECK LIST CORRESPONDING TO OPERATING NOISE e Is the unit installed at the following locations a Location strong enough to support the weight of the unit and which will not amplify noise or vibration b Location where the warm air and the noise from the outlet vent of the outdoor unit will not bother neighbors e Are any obstructions near the outlet vent of the outdoor unit They may reduce the function and increase the operating noise e If any abnormal noise is heard during the operation contact your dealer W CHECK LIST ABOUT DRAIN PIPING AND WATER SUPPLY WORK Make sure the drain works properly During cooling operation no drainage from the outdoor drain piping
227. trol A1P K8R Magnetic relay S1L X3M Terminal block control Local supplied parts KCR KFR Magnetic relay A3P X17A X19A Connector relaying wire S1H Humidistat Terminal block Colors BLK Black PNK Pink oo D Connector BLU Blue RED Red Em Short circuit connector GRN Green WHT White O Terminal ORG Orange YLW Yellow REN Field wiring 3D051310 notes 1 In case of using central remote control connect it to the unit in accordance with the attached instruction manual 2 Incase using wiring adapter connect it to the unit in accordance with the attached installation manual 3 When connecting the input wires from outside fresh up control operation can be selected by remot control in details refer to the installation manual When connecting the input wires from outside forced off or on off control operation can be selected by remot control in details refer to the In case In case installing a humidistat S1H locally procured remove the short circuit wiring between 1 and 2 as shown in the figure right Do not remove the short circuit connectors of X8A and X9A The unit will not run if they are removed SS1 A3P has already been set to off at factory set Humidifying becomes impossible if the setting are changed SS1 A1P has already been set to nor at factory set The unit will not run if the setting are changed Ventilation e Heat Reclaim Ventilation 27 28 l HRV VKM GAMV1 7 Pro
228. ublished by Eikoku Sha Fig 2 Relationship in Concentration between Oxygen and CO W Carbon Dioxide CO2 CO production rate m kg 0 020 0 015 0 010 0 005 Smaller combustion rate Larger combustion rate 18 19 20 21 Oxygen concentration 96 CO safety limit is 10 ppm with max 5 ppm recommended Carbon dioxide gas is a normal component of the air normal concentration of about 0 0496 Physiologically CO2 gas is requisite for human life the gas stimulates the respiratory center for unconscious automatic breathing CO2 gases dissolve into blood to maintain the oxygen concentration at the proper level for the purpose of sustaining normal functions of human body Hygienically CO2 gases are used as an indicator of the atmospheric condition in the room not treated as a toxic gas Higher concentration of CO2 gas will adversely affect the human body though the effect closely depends on the oxygen concentration I Ventilation Heat Reclaim Ventilation l HRV VKM GA M V1 11 Appendix 11 1 Purpose of ventilation 11 1 1 Air Pollution Table 7 Effect of Carbon Dioxide CO2 Concentration 96 Effect of change in concentration 0 03 0 04 Standard atmosphere 0 04 0 06 Urban atmosphere 0 07 Allowable concentration for many persons staying in a room These concentration limits are defined as a pollution indicator
229. uct and an alminium bellows directly to the outlet of the main body Asilencer is effective especially when using the flexible duct at the same time I Ventilation e Heat Reclaim Ventilation 51 l HRV VKM GAV1 7 Product Specification 7 2 VKM GAV1 7 2 7 Reducing Operating Sound 7 2 7 4 General Comparison of the Effect 1 6 in more Effective Order 1 Mounting a silencer flexible duct 2 m long 2 Mounting a flexible duct 3 Mounting a flexible duct 2 Mounting a silencer flexible duct 6 m long 6 m long m long to the main body Main body Flexible duct 6 m Flexible duct 6 m Effect of a remedy for noise does not change even for over 2 m long duct 4 Mounting a flexible duct 5 Mounting a silencer 6 Spiral duct 6 m 2 m long to an air No measures taken 1 2 3 4 5 6 suction discharge grille dB 10 Silencer 5 Spiral duct 6 m Spiral duct 6 m Catalog value Suction discharge grille 5 HC0061 Note Measure the noise at 1 5 m below the air supply grille Operating noise conforms to JIS standard and the value is converted in terms of the anechoic chamber 7 2 7 5 Nameplate for Note Notes for duct work is written on the HRV units as indicated below 2 When connecting a spiral duct or an aluminum bellows sound at the air discharge outl
230. uous D noise 62 1256 250 500 900 Pc00 4000 8000 Octave band center frequency Hz 4D051299 NOTES Scale Air flow rate Over All dB U H H L B G N is already rectified A 39 37 34 Operating conditons Power source Single phase 50Hz 230V Model VKM80GAMV1 Ventilation mode total heat exhange Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low Location of microphone 1 5m Measuring point Operation noise differs with operation and ambient conditions VKM80GAMV1 ag o g ag Mp g ag 805 ao SRE S40 VKMBOGAMYT 0 0002 ubar 70 50 40 30 Octave band sound pressure level dB 0dB 20 Approximate N fasho hearing for continuous i noise 63 125 50 500 1600 2000 4000 8000 Octave band center frequency Hz 4D051305 I NOTES Scale Air flow rate 1 Over All dB U H H L B G N is already rectified A 40 37 5 35 5 2 Operating conditons Power source Single phase 50Hz 240V Model VKM80GAMV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operati
231. ure Effect Field Setting by remote controller It is reduction of about 5 of air conditioning load at the time of cooling operation Air conditioning operation carries out to to April to October and air conditioning load is calculated only with sensible heat load I DAIKIN Ventilation Ventilaci n con Recuperaci n de Calor l HRV VKM GA M V1 5 Features 5 3 Energy Saving 5 3 1 Automatic Heat Purge Function at Night Nighttime Free Cooling Operation Flow Chart Nighttime Free Cooling Operating Conon Nighttime Free Cooling Precedent Condition Air conditioner Operation lt STOP gt Air conditioner Operation lt RUN gt No Nighttime free cooling Operation Temp monitor operation time Lapsed time gt 60hr Lapsed time setup lt 2hr 4hr 6hr 8hr gt Standard mode From air conditioner stop time lt Lapsed time gt gt lt Setup time gt Indoor temp lt Preset temp Fan operation amp Temperature monitor lt 5Min gt No Indoor temp lt Outdoor temp Indoor temp gt Preset temp 2 C gt Fan operation Lapsed time No Lapsed time 60Min Indoor temp gt Outdoor temp No Fan operation ON H or U H tap gt Standby mode 60 Min Fan ON time is included A
232. us No Name Sketch HW F dR W cO sheen C 0 5 0 90 kos 0 75 0 45 1 R bend round duct a 1 0 0 33 1 5 0 24 2 0 0 19 2 Straight bend round duct ut 2 S 1 30 0 5 1 25 0 75 0 60 0 25 1 0 0 37 1 5 0 19 0 5 1 10 0 75 0 50 0 5 1 0 0 28 3 R bend rectangular duct wl X DN O 0 5 1 00 Hn 0 75 0 41 1 0 1 0 0 22 1 5 0 09 0 5 0 96 0 75 0 37 4 0 1 0 0 19 1 5 0 07 0 25 1 25 4 Straight bend rectangular duct wi as d ky LJ 1 0 1 50 4 0 1 38 20 0 02 40 0 03 5 Pipe inlet with round hood ow 0 60 0 05 90 0 11 120 0 20 20 0 13 u 40 0 08 6 IG angular hood poma 9 60 0 12 90 0 19 120 0 27 I Ventilation Heat Reclaim Ventilation le equivalent straight pipe length of partial resistance m d straight pipe diameter 129 130 I HRV VKM GA M V1 11 Appendix 11 3 Calculation of Duct Pressure Loss 11 3 3 Pressure Loss Due tot Local Features Example Ventilating fan intended for use with a ducted system External hood equivalent straight pipe length 9m Duct diameter 6100 Material galvanized T Steel pipe For galvanized steel pipe with 0 02 approximate value e To convert a local resistance to the equivalent straight pipe lenght use the table A shown in the previous page e Forthis example the equivalent lenght can be calculated as follows Piping At FOUND diameter Too S 0 5m ll 2m Ill 0 5m IV 2m
233. value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low Location of microphone 1 5m Measuring point Operation noise differs with operation and ambient conditions VKM80GAV1 CEEE E 50Hz 240V 0 0002ubar Octave band sound pressure level dB 0dB 2 roximate eae hearing for continuous noise e3 25 250 500 Octave band center frequency Hz azc GSO VIO 3400 E800 VKM80GAVI 1000 pooo 4000 8000 4D051308 I NOTES Scale Air flow rate 1 Over All dB U H H L B G N is already rectified A 41 5 39 37 2 Operating conditons Power source Single phase 50Hz 240V Model VKM80GAV1 Ventilation mode total heat exhange 3 Measuring place Remark Operation noise is measured in an anechoic chamber The operation noise level becomes greater than this value depending on the operation conditions reflected sound and peripheral noise Operation noise differs with operation and ambient conditions U H ultra high H high L low 4 Location of microphone 15m Measuring point 5 Operation noise differs with operation and ambient conditions Ventilation Heat Reclaim Ventilation 7 7 2 I HRV VKM GAV1 Product Specification VKM GAV1 7 2 6 Sound dat
234. ve If the applicable functions are not available they will not be displayed 4 When returning to normal mode the remote controller is initialized so the display might show 88 5 When Filter cleaning time setting or Nighttime free cooling operation setting is changed explain set contents to the customer I Ventilation Heat Reclaim Ventilation 103 104 HRV VKM GA M V1 9 Installation 9 10 Field Setting and Test Run 9 10 1 Perform Field Settings with the remote Controller 1 See below for details on the settings for cold areas operate at the set fan strength Air conditioner fan 01 02 04 06 Heating thermo off Operation L L Defrost Stop Stop Stop Stop Oil return Stop Stop Stop Stop In case of Independent operation Air conditioner fan 01 02 04 06 Heating thermo off Operation L L Defrost Stop Stop Stop Oil return Stop Stop Stop operate at the set fan strength L operate at the weak fan strength S Stop Defrost operation In heating operation freezing of the outdoor unit s coil increases Heating capability decreases and the system goes into defrost operation The remote controller will read amp 99 until the hot air starts blowing It returns to the heating operation again after 6 to 8 minutes 10 at the longest During defrost operation the fans of the unit continues driving factory setting
235. ystem A E Each time this button is pressed the time advances or goes backward by 1 hour e The timer can be programmed for a maximum of 72 hours e Each time when A is pushed the time advances one hour Each time when W is pushed the time goes back one hour Press the timer on off button The timer setting procedure ends The display gt O or gt changes from flashing light to constant light e After the timer is programmed the display shows the remaining time ar For cancelling the timer operation push the timer on off button 5 once again The indication disappears Note e When setting the timer off and on at the same time repeat the above procedure from E to WF once again BDETAIL EXPLANATION When you want to stop operation after a desired time Example Set the time to 8 i 8hr gt O will display Stops operation 8 hours after the reservation is complete The program will be cleared after the operation stops e Setthe stop time during operation When you want to start operation after a desired time has elapsed Example Set the time to 8 i BAP 6o ou will display Starts operation 8 hours after the reservation is complete The reservation is cancelled after operation starts e Set the start time while the unit is stopped e The remaining time will count at the same time after reservation is complete See the example below

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