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Service Manual Heat Recovery Ventilation

1. 119110 3 3 2 094 4 53190553997 1 01140 ONIHIM 303 H3ldV V STYNINUSL Ht NN JEN AAGOK 1409 05 1022 012 002 1SVHd 319415 414405 838404 N 1 67 Appendix SiE00 01 68 Appendix 51 00 01 Index A Direct duct connection with air conditioner 23 Abnormality control function 22 Display OFF in automatic ventilation mode 60 Air conditioner link function 22 Duct Connection Flange 2 3 Air Conditioner Link Operation 25 Air conditioner link operation 31 E Air Filter Long Life 2 3 EEPROM aa 31 Tii flow setting 27 Electric heater setting 27 Air Supply ttc tts eiie 2 3 Error Code Airflow rate setting switch interface 31 34 Auto restart setting up 26 34 Automatic ventilation operation function
2. Lun HOLON 114419 401231102 2 0SdEX u0123NN0 10130 TIL 414405 YN NUI 010 108 138 91 L3N9VM GIN 064 4033012340 GAS NIWA HOLIMS 80193135 AMT C 0C 3035 1 81 HOLIMS LINDT 5 MIS GIN AVT3H JTLINDWN JAN AYT38 LNO VN HOLIMS 8000110 WNINUSI 16H GIN AVT3U HEX 83110418029 310N3H 198340 2113N0VM 80008174015 138 DT L3NDVM 9A lly YOL 060 3513 I9vdv 113 872 8192 140 0 01130 NTHIM 8314 5319055322 1VN 138 21 3NDVW NI LIIRE EAU LAY div OON 1SNYHX3 HOLON LHM LHM MGS did gt 7 SWINBI 5310055322 1VN011d0 SILON 4311041409 310434 155 L TOHIN 0371198139 IHL 1015100 91 7 7 SYWWINGI Lom 4
3. HLO44 List of field setting mode Nos Centralized control group No setting 00 General setting 10 29 Centralized control group No setting group 30 Error record display 40 Sensor data 41 43 Individual setting 44 Unit No reallocation 45 Step 1 To field setting mode Press S for more than 4 sec Step 2 Mode No selection 1 Mode 00 30 Mode 40 49 50 59 55 for more than 4 sec Press 4 Step3 Mode selection2 46 lt gt gt Mode No DOWN Step 4 Switch No selection Switch No selection Step 5 Position selection w Position selection Step 6 Position enter Enters currently selected position Step 7 To normal mode 94 Exits field setting mode and enters normal mode In group control use to select unit No Supplementary Explanation 59 Supplementary Explanation SiE00 01 1 1 5 LCD and Operation Panel Reference Information The following shows the operation panel and k LCD of remote W way 5 controller of new TB heat recovery UNIT No 888 hr M 0 0 ventilation unit 9 58
4. 2 3 52 Field Setting Service 26 Damper System Error Alarm 39 40 Field Setting Service Mode Operation 54 Data Transmission Error Filter cleaning time setting MIETEN LM EE 26 Between LCD Master Remote Controller Filter sign Ted 22 Slave Remote Controller A et E 44 Forced fan 59 Data Transmission Error Forced ventilation fan On 27 Between LCD Remote Controller FRESH UP tiep ee 11 and Main Unit sn 42 up air supply exhaust setting 27 Data Transmission Error Fresh up operation 27 LCD Remote Controller 43 Freshup function 2 22 Dedicated LCD Remote Controller 41 48 Function of main connection terminal 28 Dedicated Remote Controller 41 Index i 51 00 01 General Constructions 2 General SCAG aee ertet eid 59 Group function 22 Group No setting for centralized controller individual seem 26 H Heat Exchange Element X2 1
5. he UP HLOO8 FRESH UP HLOO7 For Freshup operation When this indication does not show The volume of outdoor air supplied into the room and that of the room air exhausted outdoors is equivalent For Freshup operation f itis set to Fresh up air supply The volume of outdoor air supplied into the room is larger than that of room air exhausted outdoors This operation prevents the odor and moisture from kitchens and toilets from flowing into the rooms f itis set to Fresh up air exhaust The volume of room air exhausted outdoors is larger than that of outdoor air suppied into the room This operation prevents the hospital odor and floating bacteria from flowing out to the corridors Operation 11 51 00 01 4 Ventilation mode changeover button s Automatic mode The temperature sensor of the unit automatically changes the ventilation of the unit in Bypass mode and Heat Exchange mode s SE Heat Exchange mode In this mode the air passes through the heat exchange element to effect Total Heat Exchanging ventilation C Bypass mode In this mode the air does not pass through the heat exchange element but bypasses it to effect Bypass ventilation 5 Indication of operation control method When the operation of HRVs are linked with the air conditioners this indication may be shown While the indication is shown the ON OFF
6. Check 1 Dedicated LCD remote controller Option 69 6 6 69 69 69 6 JC 2 2 F1 2 1 Main unit HLO34 Check 2 Dedicated LCD remote controller Option 69 69 6 69 60 69 6 JC 1 F2 1 2 Main unit COSE m Check 3 Dedicated LCD remote controller Option JC J2 J1 F2 F1 2 P1 LCD remote controller Remote controller for T heat recovery ventilation Main unit PCB HL036 Troubleshooting 49 Troubleshooting SiE00 01 1 17 Thermistor Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Note Remove thermistor and check resistance with tester Deterioration of thermistor Faulty thermistor Broken wire Faulty control PCB Faulty contact in connector Remove thermistor from main unit PCB X12A 1 and check resistance using tester Is resistance NO as shown below Thermistor is normal If measured value deviates significantly from values in the table thermistor is faulty 15 Refer to the thermistor temperature resistance conversion table when measuring resistance Thermistor temperature resistance conversion table Thermistor Sensor resistance Ther
7. 54 Part 9 65 Te ApPPENdIX ne a 66 1 1 Wiring Diagram eto 66 Index e9 Drawings amp Flow Charts Table of Contents iii 51 00 01 Table of Contents 51 00 01 Introduction 1 Introduction 1 1 Safety Cautions Cautions and W Be sure to read the following safety cautions before conducting repair work Warnings The caution items are classified into Warning and Caution The A Warning items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms A This symbol indicates an item for which caution must be exercised The pictogram shows the item to which attention must be paid O This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol e This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near
8. 47 Maintenance Cover 2 3 16 Maintenance for The Air Filter 16 Maintenance for The Heat Exchange Element 19 Maintenance Space for The Air Filters Heat Exchange Elements and Switch Box 2 3 Microcomputer oscillation circuit 31 Microcomputer reset circuit 31 N Plate kn iti e t 2 3 Normal operation 23 Normal ventilation mode 60 Operating HRV Unit Using The Remote Controller of The VRV System Air Conditioner 13 Operation Changeover Control 58 Operation chart 23 Operation for INDIVIDUAL SYSTEM 11 Operation mode selector 13 Operation with The Remote Control for Air Conditioning Operation HRV Units BRC301B61 11 OuldOoO 2 9 Outdoor Thermistor Error 38 Overall Alarm a rt 35 Overall Malfunction 36 Overlapping Central Control Address 46 P Power ON operation function 22 Power supply ci
9. 22 Tarn de ste 34 34 Ug c E 34 BRC304B61 11 UB sinet dte 34 Jy c 34 34 Ceiling naar 2 3 cei odi 34 Central data transmission interface 31 Error Code 60 35 36 Centralized individual setting IPM LAS PEE 26 Error Gode 64 rrt 37 Centralized control function 22 Error Code 65 nnin 38 Centralized control group setting Eris Aue 59 Error Code 39 40 Centralized control group setting group 59 Error Code Indication 34 Centralized control group setting Error Gode US eH t recen xen 42 43 Mode No 00 Setting of Individual No Error Code 08 44 Mode NO 30 radi ice doe dsl 55 Error Code UA z ni oit eerte 45 Centralized control group setting Error Code 46 mode No 00 er eS VERO RE 62 Error record display 27 59 Centralized control group setting u
10. HLO11 When air conditioner and HRV unit are connected by duct Cooling Ventilation HLO12 W Whenthe FILTER indication appears on the display clean the filter of the HRV unit W After selecting the zone where the only the HRV unit operation is desired press the operation mode selector and select VENTILATION The HRV unit can then be operated independently from the air conditioner Whenthe FILTER indication apprears on the display clean the filter of the HRV unit Operation 13 SiE00 01 14 Operation 51 00 01 Part 4 Maintenance a a e dde 16 1 1 Maintenance for The Air Filter iii 16 1 2 Maintenance for The Heat Exchange 19 Maintenance 15 Maintenance SiE00 01 1 Maintenance 1 1 Maintenance for The Air Filter Caution VAM150 1000FJVE VAM1500 2000FJVE During operation never check or clean the It may cause electrical shock and it is very dangerous to touch the rotating part Be sure to turn off the OPERATION switch and disconnect the power W CLEANING FREQUENCY AT LEAST ONCE EVERY TWO YEARS FOR GENERAL OFFICE USE CLEAN THE ELEMENT MORE FREQUENTLY IF NECESSARY 1 Go into ceiling through the inspection hole remove the hanging metals of maintenance cover and take it
11. 66 vi Drawings amp Flow Charts 15014001 assures an effective environmental management system in order to help protect human health and the environment from the potential impact of our activities products and services and to assist in maintaining and improving the quality of the environment Daikin Europe NV is approved by LROA for its Quality Management System in accordance with the 1509001 standard 1509001 pertains to quality assurance regarding design development manufacturing as well as to services related tot the product Daikin units comply with the European regulations that guarantee the safety of the product DAIKIN PRODUCTS ARE DISTRIBUTED BY Printed in Belgium by Vanmelle SiE00 01 11 2000 Specifications subject to change without notice DAIKIN EUROPE NV DAIKIN INDUSTRIES LTD Zandvoordestraat 300 Head Office B 8400 Oostende Umeda Center Bldg 4 12 Belgium Nakazaki Nishi 2 chome Kita ku Osaka 530 Japan
12. A H Air Conditioner Link Operation HOW TO OPERATE WITH TIMER 12 1 group link control 25 Link control of 2 or more groups 26 Air flow rate can be changed over 11 Initial setting mode Nos 17 27 18 28 54 Inspection operation 61 Centralized control group No setting 55 62 L Check T hiatal cede 49 LCD and Operation Panel 60 Check ini amer ere 49 49 M Check damper motor 52 Main Unit 41 Check microcomputer operation monitor 47 Main unit 47 Check resistance and voltage with tester 51 Maintenance Cover Circuit Configuration 30 VAM150 1000FUVE 16 Cold Area Mode 25 VAM1500 2000FUVE 16 Connect remote controller cable Maintenance for The Heat Exchange Element 19 and remote controller 42 D Normal ventilation mode 60 Dedicated Remote Controller 41 Display OF
13. 1 8 Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Dedicated LCD Remote Controller When 88 remains remote controller display Remote control setting error Eg one remote controller set to SUB and a second remote controller set to MAIN MAIN or SUB SUB Master slave setting of remote controller Remote controller PCB assembly error Main unit PCB assembly error Check to see if master slave remote controller is used Is master slave YES remote controller used NO Check microcomputer operation monitor on main unit PCB Is it flashing gt Change master slave selection Switch to set proper master slave relation One should be set to Master and the other set to Slave NO gt Replace remote controller Dedicated Remote Controller Remote controller PCB assembly Master slave selection switch Main Unit PCB LOT cna ele e e el Supply Exhaust air fan air fan FuL 10A CNB RS O Replace main unit PCB HF007 HL030 LED A 551
14. 26 SUpplyJAIE vii e end 2 tenia 2 9 Thermlstor z x 50 Thermistor interface 31 Thermistor temperature resistance conversion table 37 38 50 Timer functione ett e reet 22 To clean the air filter 17 to dry Air 17 Total heat exchange ventilation mode 60 Troubleshooting function 22 Turn on the forced fan Mode No 43 56 U Unit No allocation 27 51 00 01 Unit No reallocation 59 Unit No reallocation Mode No 45 57 Ventilation capacity changeover function 22 Ventilation mode changeover function 22 Ventilation mode setting 27 Ventilation mode Total heat exchange 60 Ventilation Operation Control 23 Ventilation operation control function 22 Ventilation volume Freshup setting changes 61 Ww When no indication is displayed on remote controller 48 Y Yes No setting for direct duct Connection with VRV system 26 Index 51 00 01 Index 51 00 01 Drawings amp Flow Charts
15. 34 s Overal I tone 35 1 3 Overall 36 1 4 Indoor Thermistor 37 1 5 38 1 6 Damper System Error ce eerte ede 39 1 7 Damper System Error Alarm oec eret a 40 1 8 Dedicated LCD Remote Controller 41 1 9 Data Transmission Error Between LCD Remote Controller and Main Unit 42 1 10 Data Transmission Error LCD Remote Controller 43 1 11 Data Transmission Error Between LCD Master Remote Controller and Slave Remote Controller 44 1 12 Field Seung fee e i eee 45 1 13 Overlapping Central Control 46 1 14 Main Unit PCB ASSSmbly i rap peo PP euis eno 47 1 15 Dedicated LCD Remote Controller 48 T5 How 0 Check teret Pa xr Ere 49 1 17 ThermIStOr 50 1 18 Power TRANSIONMEN atero e oi pa Rua tee d 51 1 19 Damper Motoi eT 52 Troubleshooting 33 Troubleshooting SiE00 01 1 Troubleshooting 1 1 Error Code Indication Whe
16. HOLS THUSHL ll 31 301134 872 412 14 HOLINS 12 0 1 1 OJQHVOS 1102812 CI31N Ud div 5319055322 1VNOITLdO 330544 LHM 3118 118 34 034 2v18 Y18 SM07104 SY MOHS S108845 y WT O 481 2 SNL 5314055399 1 01140 4311041409 310N3H WIN LL c NYA 1510813 4010 TAN iw aa ELAM ja san m FT GIN MLS LHM 038 1 4 4 LHM 34 812 gt 118 T WA TAN LSS 424 3213 5 HHL 603 24 3015110 FHL STVNTWU3I X08 HOLTMS 819 div S1VNINH3I 109100 38 1 DEN ll 1909 05 009 15 44 319815 419415 U3N0d Appendix 66 Appendix 51 00 01 VAM1500FJVE VAM2000FJVE VLLOOCOQE 479 852 3309 889 3M8 N18 38 03 92 12 18 SHOTIOA SY MOMS 5100445
17. EP 51 00 01 Service Heat Recovery Ventilation Applied Models VAM 150 VAM 250FJVE VAM 350FJVE VAM 500FJVE VAM 650FJVE VAM 800FJVE VAM1000FJVE VAM1500FJVE VAM2000FJVE 51 00 01 Heat Recovery Ventilation VAM 150FJVE VAM 250FJVE VAM 350FJVE VAM 500FJVE VAM 650FJVE VAM 800FJVE VAM1000FJVE VAM1500FJVE VAM2000FJVE Table of Contents 51 00 01 Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 The cioe cii dui er ot Oeo E b ka D Loo Pine de V 1 A Safety CAMO GS sods cori ED General 5 lt 1 General Constructions 2 0 40000 2 Explanatio N 2 Product Specification D 12 Product SPECICATION ER ep ao UR 6 11 cierre etf t P 6 RS ANON reti ua E MEM M EE M MEC 10 1 1 Explanation for Systems rentre RE QR 10 1 2 Operation with The Remote
18. P2 Pi Fi F2 Ji J2 JC CN9 CNS CN6 0912 502 eee fo 031 Troubleshooting 41 Troubleshooting SiE00 01 19 Data Transmission Error Between LCD Remote Controller and Main Unit Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code 05 Inspection Unit No Remote Controller 39 Main Unit Microcomputer checks if data is transmitted properly between main unit and remote controller When data transmission is not performed correctly for a certain time period Faulty connection of remote controller cable Faulty remote controller cable External factor noise etc Check connection of remote controller cable to control PCB assembly on terminal board cable between main unit and remote controller properly wired NO gt wiring YES 5 controller cable gt Replace remote controller normal cable Note 1 YES gt Possibility of external factor instead of equipment error HF008 Note 1 1 Use tester to check continuity of remote controller cable Disconnect cable from main unit terminal board and remote controller t
19. When external input terminal J1 JC is shorted during operation Overall Alarm must be set in field setting mode Faulty external device W Broken wire Faulty control PCB Is connected external device NO operating properly YES Measure resistance between external input terminals J1 JC Is resistance NO gt Remove the cause of error in connected external device 200 Q or lower YES gt Check wires for abnormalities broken wire faulty contact etc gt Replace control PCB HF002 36 Troubleshooting 51 00 01 Troubleshooting 1 4 Indoor Air Thermistor Error Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code Inspection Unit No Remote Controller Main Unit Temperature detected by inside air temperature sensor is used to detect errors When value detected by inside air temperature sensor is 40 C or below open circuit or 70 C or higher shorting Faulty sensor W Broken wire Faulty control PCB Faulty contact in connector Remove Indoor air thermistor R1T from X12A on control PCB and measure resistance Is thermistor normal NO gt gt Replace indoor air Note 1 thermistor gt If there is no faulty contact replace control PCB HF003 N
20. Damper motor is normal Check resistance and voltage DAMPER MOTOR Limit switch is faulty Damper motor is faulty HF017 038 52 Troubleshooting 51 00 01 Part 8 Supplementary Explanation 1 Supplementary Explanation 54 1 1 Field Setting Service Mode 54 Supplementary Explanation 53 Supplementary Explanation SiE00 01 1 Supplementary Explanation 1 1 Field Setting Service Mode Operation 1 1 1 Field Setting Initial setting mode Nos 17 27 18 28 Field setting mode Unit No f gt HRV Setting position No T No gt O Setting switch No DP d 4 3 e BRC301B61 5 2 HLO39 Step 1 With equipment in normal mode press the button for more than 4 seconds to enter field setting mode Step 2 Mode No UP 2 Mode No DOWN Use MODE and AIR VOLUME to select desired mode Step 3 To setting heat recovery ventilation units by group press 9 5 button and select desired unit No Step 4 Press button to select desired setting switch No Step 5 Press 9 button to select desired setting position No Step 6 Press button to enter settings Step 7 Press button to return to normal mod
21. SiE00 01 1 3 1 3 1 Layout of switches on Printed Circuit Board Printed Circuit Board Outdoor Thermistor Indoor Thermistor Damper 2 Damper 1 For KRP50 2 L N Factory Setting Be sure to give the electric grounding earth connection Damper Damper Primary Secondary 1 CN2 X4A o N o o ele e e ele e CN7 g Supply Exhaust e air fan air fan 4 5 2 2 ze Ble ze ale B 2 26 eo P2 F1 F2 J2 JC N7 o JL 2 1 Fi 2 J1 2 JC D D REMOTE CENTRAIZD THE INPUT CONTROLLER CONTROL FROM OUTSIDE 1 3 2 Function of main connection terminal Terminal No Contents of function Power supply TeS1 Single phase 220 240 V 50Hz Single phase 220 220 V 60Hz Power supply and earth terminal Remote controller P1 P2
22. VRV system Setting for cold No duct With duct areas Fan operaiton Fan off Fan L Fan off Fan L selection for heater thermostat OFF Centralized 7 Centralized Individual individual setting Centralized zone 8 No Yes Priority on interlock setting Operation Pre heat time 9 0 30 60 90 extension setting External signal 18 28 0 Last Priority on setting JC J2 command input Setting for direct 1 Off On power on Auto restart 2 Off On setting 26 Control Functions 51 00 01 Control Functions Details of setting Mode Setting Setting Setting position Operation method mode hs oua 02 03 04 05 06 Indication of Field 18 28 4 Indication No U ventilation mode setting Indication Not indication Refer to P54 Fresh up air 7 No No Indication Indication supply exhaust Indication Indication setting Supply Exhaust Supply Exhaust External input 8 Fresh up Overall Overall Forced Fan Air flow terminal function alarm malfunction off forced off increase selection between J1 and JC KRP50 2 output 9 Humidify Abnormal Fan on off switching selection between 1 and 3 Air flow setting 1
23. deformed air filter and Place where combustible gas heat exchange element or burned motor leakage is likely result Such gas can cause fire ePlace such as bathroom sub ePlace subjected to much carbon black jected to moisture Carbon black attaches to air filter and heat Electric leak or electric shock and other failure exchange element marking them unable to can be caused use vii Introduction SiE00 01 1 1 2 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 1 3 Using Icons List Icon Type of Description Information Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Note Caution caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an Caution unexpected result or has to restart part of a procedure Warning warning is used when there is danger of personal injury A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic viii 51 00 01 Part 1 General Constructions 1 General Constructions 00000 2 LT Explanat
24. off 1 2 Binding Metal 3 Hanging Metal HLOO4 1 Maintenance Cover 2 Binding Metal 3 Hanging Metal 16 Maintenance 51 00 01 Maintenance 2 Take out the heat exchange elements from the unit body VAM150 1000FJVE HLO13 Heat Exchange Element X2 2 Handle 3 Rail 4 Filter x 2 VAM1500 2000FJVE 1 014 1 Heat Exchange Element X4 2 Handle 3 Rail 4 Filter x 4 3 To clean the air filter lightly pat it with hand or remove dust with a vacuum cleaner If excessively dirty wash it in water HLO15 4 air filter is washed remove water completely and allow to dry Air filter for 20 to 30 minutes in the shade When dried completely install the air filter back in place Maintenance 17 Maintenance 51 00 01 5 Install the maintenance cover securely in place HLO18 Do not wash the air filter in hot water Do not dry the air filter over a fire Do not expose the air filter to direct sunlight Do not use organic solvent such as gasoline and thinner on the air filter Be sure to install the air filter after servicing Missing air filter causes clogged heat exchange element The air filter is an optional item and the replacement is available Caution ey 109 m 18 Maintenance 51 00 01 Maintenance 1 2 Main
25. 2 Relay drive circuit Supplies drive voltage to relay coils Fan motor damper motor relay Power supply relay for fan motor and damper motor Input Thermistor interface Uses thermistor temperature sensor to detect inside and outside temperatures Airflow rate setting switch interface Used to set airflow rate of main unit when dedicated remote controller is not used External input interface Used to control main unit with external contact point Freshup external link operation etc Damper limit switch interface Sends signal of limit switch condition to microcomputer for damper motor cam positioning Peripheral Control microcomputer Controls entire equipment by varying output Parts according to input condition EEPROM Stores operating condition and address data Microcomputer Microcomputer reset circuit Resets microcomputer when power is turned on Microcomputer oscillation circuit Generates clock frequency for microcomputer operation Power Supply Power transformer Produces power supply of approx 26 VAC from 220 240 VAC Power supply circuit Supplies direct currents 16 VDC 5 VDC to control circuits Circuit Operations 31 Circuit Operations SiE00 01 32 Circuit Operations 51 00 01 Part 7 Troubleshooting 1 Troubleshooting t Aude i M uM 34 i 1 Error Gode IndicatiOrin ener tie cai PR e ER ERE
26. 88 ol E J HL045 LCD LCD is equipped with a new function that graphically displays currently selected ventilation mode as shown below Ventilation mode Auto Total heat exchange ventilation mode Al RI 1046 Normal ventilation mode R HLO47 Display OFF in automatic ventilation mode NS HL048 Ventilation mode Total heat exchange SE 049 Ventilation mode Normal Normal ventilation mode Z HL050 Display can be turned off using field setting 19 29 7 60 Supplementary Explanation 51 00 01 Supplementary Explanation 1 1 6 Ventilation Volume Freshup Ventilation volume Freshup setting changes as follows Inspection With Freshup Without Freshup Low Freshup High Freshup Function modes change in sequence every time button is pressed HL051 Inspection operation is shown below Normal screen gt Error code 00 Unit 0 Cyclic Inspection Inspection indication flashes HLO52 Supplementary Explanation 61 Supplementary Explanation SiE00 01 1 1 7 Field Setting Centralized control group No setting mode 00 Centralized control group No setting mode 30 Procedure for entering individual settings mode No 44 Example of setting operation Press for more than 4 sec
27. Control for Air Conditioning Operation HRV Units BRC301B61 11 19 16 1 1 Maintenance for The Air Filter 16 1 2 Maintenance for The Heat Exchange 19 Control 2 1 Gontro FUNCTIONS sese Lia dca a b e et ote Mes pet rage 22 1 17 Control FUNCTIONS 22 1 2 Explanation of Individual 23 1 3 Layout of switches on Printed Circuit 28 Circuit 5 29 GIF CUTE Operat ON S ces UR ec Rar PE 30 1 1 Circuit ConfIgurallon s a uerb taut ec tet 30 12 Circuit FUNCUONS oie oe RE Er RR ERREUR mad atat ade 31 Troubleshooting MPOUDIESNOGHING i EISE IEEE E DEI EH idit buena 34 1 4 Error Code Indication 34 1 2 ALAR dats 35 1 3 Qverall Mal
28. Operating Heat Ultra High dBA 33 34 5 34 34 5 35 5 36 36 37 37 menange High dBA 31 5 33 31 33 34133 345 36 35 dBA 245 26 5124 27 28 27 31 32 30 Byapss Ultra High dBA 33 5 34 5 35 34 5 35 5 35 5 36 37 37 High dBA 32 5 33 5 33 34 35 34 34 5 36 35 Low dBA 25 5 27 5 24 27 28 5 27 31 33 31 Operation Range Ambient 10 C to 50 CDB 80 RH or Less Connection Duct Diameter mm 200 200 250 Weight kg 33 48 48 Drawing Number 4D020374A 4D020375A 4D020376A Indoor Outdoor R H 96 Cooling condition 27 50 60 Heating condition 20 40 70 1 Operation sound is measured at 1 5 m below the center the body 2 Fan speed can be changed over to Low mode or High mode 3 Operating sound is measured in an anechoic chamber Operating sound level generally become greater than this value depending on the operating conditions reflected sound and peripheral noise 4 The sound level at the air discharge port is about 8 dB higher than the unit s operating sound Product Specification Product Specification SiE00 01 50 60Hz Model Name VAM1000FJVE VAM1500FJVE VAM2000FJVE Power Supply Single Phase 220 240 220 50 60 Hz Temperature Exchanging Ultra High 926 75 75 75 75 75 75 Fffic
29. Turn off power then restart gt Replace remote controller Is master slav selection switch properly set Set one master slave selection switch to Master and set the other to Slave Then turn off power and restart operation YES gt Replace either master or slave remote controller HF010 44 Troubleshooting 51 00 01 Troubleshooting 1 12 Field Setting Error Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code UR Inspection Unit Remote Controller Main Unit Microcomputers checks if data are transmitted correctly on the communication wire Pleas consult flow chart below Faulty combination of remote controller W More than 16 units connected to remote controller cable Faulty remote controller Is combination of remote controller and HR NO unit air conditioner correct Are 17 or more units connected _ NO connections Refer Combination Right or Wrong to remote controller cable YES Check the system and correct gt Change connections so that 16 or fewer units are connected to remote controller cable gt Replace remote controller HF011 Combination Right or Wrong Main body Remote controller Right Wrong Heat recovery ventilation u
30. contact in connector Remove outdoor air thermistor R2T from X13A 2P on control PCB and measure resistance Is thermistor normal Note 1 NO gt Replace outdoor air thermistor If there is no faulty gt contact replace control PCB HF004 Note 1 Refer to the thermistor temperature resistance conversion table when measuring resistance Thermistor temperature resistance conversion table Thermistor Sensor resistance Thermistor Sensor resistance temperature temperature 10 C or less 108kQ or more 22 C Approx 23kQ 5 C Approx 85kQ 24 C Approx 21kQ 0 C Approx 66kQ 26 C Approx 19kQ 5 C Approx 51kQ 28 Approx 18kQ 10 Approx 40kQ 30 16 14 Approx 33kQ 35 Approx 13kQ 16 Approx 30kQ 40 Approx 11kQ 18 Approx 27k 50 C or more or less 20 Approx 25kQ If measured value deviates significantly from above values thermistor is faulty Use tester to check resistance Continuity check lt HLO28 38 Troubleshooting 51 00 01 Troubleshooting 1 6 Damper System Error Alarm Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code Inspection Unit No Remote Controller lt Main Unit Measurement of dam
31. of HRVs cannot be operated by the HRV remote controller 6 Indication of operation standby e It indicates the precooling preheating operation This unit is at stop and will start operation after the precooling preheating operation is over Precooling preheating operation means the operation of HRVs is delayed during the startup operation of linked air conditioners such as before the office hours During this period the cooling or heating load is reduced to bring the room temperature to the set temperature in a short time 7 Indication of centralized control When a remote controller for air conditioners or devices for centralized control are connected to the HRVs this indication may show During this indication appears on the display the ON OFF and timer operation may not be possible with the HRV remote controllers 8 Indication of air filter cleaning When the indication appears on the display clean the filter 9 Filter signal reset button 10 Inspection button This button is to be used only for service It is not to be used normally HOW TO OPERATE WITH TIMER 11 Push the button 2 5 and select either one of QD Each time the button is pushed the indication changes as shown below indication dl HL009 12 Push the button 6 set the time Each time when is pushed the time advances one hour Each t
32. sign indicator ON cs 020 2 Direct duct connection with air conditioner Operation chart Normal ventilation Operation mode selection Air conditioner Air conditioner fan OFF fan ON ON OFF Air conditioner Fan motor 10 sec gt Ventilation fan motor ON 144 5 gt 1 SE e Damper motor Totalheat Total heat 11 TS ventilation mode exchange Normal exchange 1 ventilation ventilation ventilation 1 Normal ventilation 5 Operation lamp 1 ot Lamp HLO21 Note Direct duct connection setting be made VRV system or using field setting mode of LCD remote controller Control Functions Control Functions SiE00 01 1 2 2 Pre cool Pre heat Pre cool pre heat operations require the following conditions 1 Pre heat operation is possible only in air conditioner linked system 1 group 2 group link Check the System first Heat recovery ventilation setting Set Preheat ON OFF to ON Pre cool pre heat On OFF setting can be made in air conditioner or using field setting mode of LCD remote controller of heat recovery ventilation unit Pre cool time can be set between 30 and 60 min and pre heat time can be set between 30 and 150 min Others a Heat recovery ventilation unit must be in non oper
33. the symbol W After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer Introduction 51 00 01 1 1 1 Cautions in Operation and Maintenance WARNING WARNING WARNING Never inspect or service the unit by yourself Do not change operations suddenly It can result Ask a qualified service person to perform this work not only in malfunction but also fallure of switches or qualified service person relays in the body WARNING Before obtaining access to terminal devices A all power suppy circuit must be interrupted Electric shock may result Before servicing the unit always shut off power WARNING 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 vi 51 00 01 Introduction WARNING WABNING Do not use or an air suction discahrge grille in the following places ePlace such as machinery plant ePlace subjected to high tempera and chemical plant where gas ture or direct flame which contains noxius gas or Avoid a place where the temperature near corrosive components of mate the HRV unit and the air suction discharge rials such as acid alkali organic air grille exceeds 50 If the unit is used at solvent and paint is generated high temperature
34. unit 9 Total heat Total heat ON ventilation mode exchange Normal exchange ventilation ventilation ventilation Normal ventilation Operation lamp Remote controller indication Lamp HLO23 Note Cold area mode can using remote controller for air conditioner or field setting mode of LCD remoter controller of heat recovery ventilation unit 1 2 4 Air Conditioner Link Operation Link system enables simultaneous ON OFF operation of heat recovery ventilation unit and air conditioner VRV system Skyair 1 1 group link control W Allows simultaneous ON OFF from remote controller for air conditioner Allows independent operation of heat recovery ventilation unit from VRV system remote controller during interim periods not possible when direct duct connection is used W ON OFF operation is not possible from LCD remote controller of heat recovery ventilation unit LCD VRV system L T RE Remote 77 remote controller controller for for heat recovery air conditioner ventilation unit HLO24 Control Functions Control Functions 51 00 01 2 Link control of 2 or more groups zone link Heat recovery ventilation unit be operated when one more air conditioners are operating Allows independent operation of heat recovery ventilation unit from VRV system remote controller during interim periods direct duct connection i
35. 150 1000FUVE 17 G VAM1500 2000FUVE 17 General Constructions Thermistor temperature resistance VAM1000FJVE 2 conversion table 50 VAM1500FJVE seen 3 To clean the air filter 17 VAM150FJVE 2 Total heat exchange ventilation mode 60 VAM2000FJVE 3 Turn on the forced fan Mode No 43 56 VAM250FUVE eant dte alg cite 2 VANSBORUMVE eoe 2 U VAMBOOFJVE 2 Unit No reallocation Mode No 45 57 VAMG5OFJVE 2 Use tester to check resistance 37 38 2 VAM2000EJVE 67 Drawings amp Charts V 51 00 01 VAMBOOEJVE VAM800EJVE VAM1000EJVE 66 Ventilation mode Changeover 12 Ventilation mode Total heat exchange 60 Ventilation volume Freshup setting changes 61 When 88 remains on remote controller display 41 When no indication is displayed on remote controller 48 Wiring Diagram
36. 17 SA Supply Air Feed Air to Room General Constructions General Constructions 51 00 01 4 General Constructions 51 00 01 Part 2 Product Specification 1 Product Specification SE eared at ease oe i a 6 Tad Product Specification 5 Product Specification SiE00 01 1 Product Specification 11 Specification 50 60Hz Model Name VAM150FJVE VAM250FJVE VAM350FJVE Power Supply Single Phase 220 240 V 220 V 50 60 Hz Temperature Exchanging Ultra High 74174 72172 75 75 Efficiency High 74174 72172 75175 Low 96 79 80 77 77 80 81 Enthalpy Cooling Ultra High 96 58 58 58 58 61 61 Exchange High 96 58 58 58 58 61 61 Efficiency Low 90 64 66 62 68 67 68 Heating Ultra High 926 64 64 64 64 65 65 High 96 64 64 64 64 65 65 Low 69 71 68 69 70 71 Galvanized Steel Plate Insulating Material Self extinguishable Urethane Foam Dimensions HxWxD mm 269 x 760 x 509 269 x 760 x 509 285 x 812 x 800 Heat Exchanging System Air to Air Cross Flow Total Heat Sensible Heat Latent Heat Exchange Heat Exchanging Element Specially Processed Nonflammable Paper Air Filter Multidirectional Fibrous Fleeces Fan Type Sirroco Fan Fan Ultra High m3 h 150 150 250 250 350 350 H
37. 7 Heat Exchange Element 17 Heat Exchange Elements 2 3 How to Check sercis n EAE 49 HOW TO OPERATE WITH TIMER 12 Humidifier operation control function 22 Independent Operation of The HRV Unit Using The Centralized Controller DCS302B61 13 Independent System 10 Indication of ventilation mode Not indication 27 Individual setting 59 Individual Settings 63 Indoor Air Thermistor Error 37 Initial setting mode Nos 17 27 18 28 54 Inspection operation 61 K 50 2 22 KRP50 2 interface 31 KRP50 2 output switching selection between 1 3 27 L Layout of switches on Printed Circuit Board 28 LCD and Operation Panel 60 List of Control Functions 22 List of field setting mode Nos 59 List of malfunction codes displayed by LCD remote controller 34 M Main Unit PCB sse 41 Main Unit PCB Assembly
38. 9 29 0 Low Low Low Low High High Ventilation mode 2 Automatic Total heat Normal setting exchange Fresh up 3 OFF ON operation Electric heater 8 No delay No delay ON OFF L setting Delay Delay Refer to E D INSTALLATION MANUAL Error record Service 40 9 display efer to operation manual for remote controller of air conditioner Forced 43 ventilation fan On Refer to P56 Unit No 45 allocation Refer to P57 il Note A Caution All the setting can be made by the remote controller for VRV and HRV unit The setting of mode No 19 29 and 40 can be made only by the remote controller for VRV unit The mode No 30 is used for the individual setting such as the calculation of power bill etc The mode No in is used for making individual setting of each unit Group number setting for centralized controller 1 Mode no 00 Group controller 2 Mode no 30 Individual controller Regarding the setting procedure refer to the section Group number setting for centralized control in the operating manual of either the on off controller or the central controller The setting positions are set at 01 at the factory The ventilation air flow however is set at 05 medium in the HRV unit When lower or higher setting is desired change the setting after installation Control Functions 27 Control Functions
39. Connection terminal for remote controller for HRV unit This terminal is used to receive information of the indoor unit for interlocked operation Centralized control F1 F2 This terminal is used to receive information when centralized controller is connected Input from outside Between terminal no J1 JC Used for fresh up operation by external input Between terminal no J2 JC Used for Operation Stop by external input 0043 VAM1500FJVE and VAM2000FJVE only 308492823 28 Control Functions 51 00 01 Part 6 Circuit Operations 1 Circuit Operations su tds aceto dette Ru ird ue 30 1 1 mere hte e ne e eoe Eee tu Espere eee 30 1 2 Gircut FUNCIONS RET 31 Circuit Operations 29 Circuit Operations SiE00 01 1 Circuit Operations 1 1 QE Circuit Configuration PCB assembly Transformer Fan motor damper motor relay Detection and cut off of 16V 16 Power supply 3 5V circuit I Thermistor 2v circuit To circuits and Relay drive circuit 1 1 Centralized control Central data Airflow rate transmission interface Setting switch 1 circuit interface circuit Damp
40. F in automatic ventilation mode 60 dry Air TINGE 17 Operation Changeover Control 58 Operation for Each System 10 E operation mode selector 13 Error Code 60 35 36 Error bA nus S 37 Error Gode 65 2 ee r e E 38 Power Transformer 51 Error Code 39 40 Pre cool pre heat operations 24 Error Code Indication 34 Printed Circuit Board 28 Error Code UG 42 43 Procedure for entering individual settings Error Code 08 44 mode NO 44 62 ire 45 Error Code UC 46 R Explanation of Individual Functions Remote Controller for HRV BRC301B61 11 Direct duct connection with air conditioner 23 Remote Controller for VRV BRC1A61 62 13 Normal operation 23 Remove thermistor and check resistance with tester 50 F Field Setting 59 Function of main connection terminal 28 Take out the heat exchange elements VAM
41. Troubleshooting Error Code 5H Inspection Unit No Remote Controller 39 Main Unit Measurement of damper motor limit switch ON OFF time and temperatures detected by outdoor and indoor air thermistor When damper system error alarm and indoor or outdoor thermistor error are generated at the same time When damper system error alarm occurs and values of indoor and outdoor air thermistor meet frost conditions Faulty damper motor or limit switch Faulty indoor air thermistor Faulty outdoor air thermistor Frosting Broken wire in cable Faulty contact in connector including relay connector Faulty control PCB assembly Check error record on malfunction history display in service mode Are 6A and 64 NO or 65 recorded YES Are 64 and 65 NO gt Take corrective measures specified for damper system error alarm Remove the cause of problem and reset display recorded YES Is 64 recorded gt Take corrective measures specified for damper system error alarm and indoor and outdoor air thermistor errors Take corrective measures YES gt specified for damper system error alarm and outdoor air thermistor error Take corrective measures gt specified for damper system error alarm and indoor and outdoor air thermistor error 006 40 Troubleshooting 51 00 01 Troubleshooting
42. alized controller refer to the instruction manual provided with each unit W Operation for Each System System Example Operation Method Independent The remote controller turns on and off the air System conditioner and HRV unit HRV unit N Remote controller for HRV unit NE BRC301B61 005 1 Combined The remote controller for VRV turns on and off Operation the air conditioner and HRV unit System with VRV indoor Unit HRV unit If only the HRV unit is used without operating _ Systems and the air conditioner set the unit in Skyair Series VENTILATION mode Remote controller for indoor unit 005 2 ON OFF and timer operation can not be performed using the HRV remote controllers indoor unit HRV unit The indication of centralized control appears the display Other operations can be performed using the HRV remote controllers Starting and stopping operations of the indoor unit and the HRV unit can be performed using the indoor remote controllers Remote controller Remote controller for HRV uni for BBCSO B61 HL005 3 Centralized When the HRV remote controllers is not System connected the Centralized controller controls the operation of the HRV unit HRV unit When the remote controllers is connected operation can be started and stopped using the Centralized controller or the indoor and the remote controllers Du
43. ange Ambient 10 C to 50 CDB 80 RH or Less Connection Duct Diameter mm 250 350 350 Weight kg 61 132 158 Drawing Number 4D020377A 4D020526A 4D020527A Test conditions are as follows Indoor unit Outdoor unit 96 R H 96 Cooling condition 27 50 35 60 Heating condition 20 40 7 70 Notes 1 Operation sound is measured at 1 5 m below the center the body 2 Fan speed can be changed over to Low mode or High mode 3 Operating sound is measured in an anechoic chamber Operating sound level generally become greater than this value depending on the operating conditions reflected sound and peripheral noise 4 The sound level at the air discharge port is about 8 dB higher than the unit s operating sound 8 Product Specification 51 00 01 Part 3 Operation Wie Operation 10 1 1 Explanation for Systems eee te 10 1 2 Operation with The Remote Control for Air Conditioning Operation HRV Units BRC301B61 11 Operation 9 51 00 01 1 11 Explanation for Systems This product is operated differently depending on the system configuration For the operation of the remote controller for indoor unit and centr
44. ating condition for two consecutive hours or more prior to pre cool pre heat operation b Temperature control mode of the air conditioner must be set to Cool Heat or Dry Normal ventilation Pre cool pre heat Operation mode selection time over Stop 1 Operation Air conditioner ON Ventilation fan motor Heat recovery ventilation unit ON Total heat Total heat exchange ventilation 1 Normal ventilation ventilation ventilation mode Damper motor 5 5 Operation lamp 1 1 T 22 Operation standby g indication HLO22 Note Operation standby indication is displayed only LCD remote controller of heat recovery ventilation unit 24 Control Functions 51 00 01 Control Functions 1 2 3 Cold Area Mode Stops or lowers ventilation airflow during defrosting operation and compressor non operating condition when equipment in heating mode thus reducing heating load and cold air draft Operation chart in heating operation only Normal ventilation Operation mode selection Defrosting operation or compressor in Non defrosting operation or non operation compressor in operation 9 5 Ed Fan motor Ventilation fan motor 10 sec OFF or lower Damper motor Heat recovery ventilation
45. deviate YES significantly from gt Transformer is faulty values shown below NO Transformer is normal 16 Resistance of primary side transformer approx 1400 Resistance of secondary side of transformer approx 1 90 W Voltage at secondary side of transformer when rated voltage is applied to primary side approx 26 VAC W insulation resistance between primary side of transformer and case 100 or higher W Insulation resistance between secondary side of transformer and case 100 or higher W Insulation resistance between primary side and secondary side of transformer 100 MQ or higher Q Check resistance and voltage 037 Troubleshooting 51 Troubleshooting SiE00 01 1 19 Damper Motor Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Check damper motor and limit switch when damper motor does not operate Deterioration of damper motor Deterioration of limit switch Deterioration of damper motor Deterioration of limit switch Place tester probes at connectors of limit Switch and check continuity while moving switch by hand measured value 00 when limit switch NO turns on and Place tester probes on connectors of damper motor and check resistance Is measured value of EJ type NO approx 17
46. e 54 Supplementary Explanation 51 00 01 Supplementary Explanation Centralized control group No setting Mode No 00 Setting of Individual No Mode No 30 Group No 1 5 Field setting mode DAIKIN Y HRV 4 4 LAS 2 SETTING i m moc LL Mode No Ly BRC301B61 2 HLO40 Step 1 With equipment in normal mode press the button for more than 4 seconds to enter field setting mode Step 2 No UP Mode No DOWN Use MODE and AIR VOLUME to select mode No 00 30 Step 3 Press 2 8 button to select Group No Step 4 Press button once to enter settings Step 5 Press button to return to normal mode Supplementary Explanation 55 Supplementary Explanation SiE00 01 1 1 2 Service Mode Operation Turn on the forced fan Mode No 43 Mode No Unit 2 HLO41 Step 1 With equipment in field setting mode press the button for more than 4 seconds to enter service mode Step 2 No UP gt Mode No DOWN Use MODE and AIR VOLUME to select mode No 43 Step 3 Use to select desired Unit No Step 4 Press lt button to return to normal mode 56 Supplementary Explanation SiE00 01 Supplementary Explanation Un
47. er motor Damper Remote controller Remote control signal limit switch motor for heat reclaim transmission interface interface circuit limit switch ventilation unit circuit Control microcomputer Air lt interface circuit lof other i maker etc i EEPROM lt gt Humidifier L_ ve I abnormality interface circuit signal output etc oscillation circuit Microcomputer reset circuit Microcomputer HLO26 30 Circuit Operations 51 00 01 Circuit Operations 1 2 Circuit Functions Classification Circuit Function Input output Central data transmission interface Used by centralized control equipment for operation control Allows control of up to 64 groups of air conditioners and heat recovery ventilation units Use of KRP2A61 allows zone link operation Remote control data transmission interface Use of dedicated LCD remote controller allows control of up to 16 heat recovery ventilation units Also used for linked operation of air conditioners of 2 groups Air conditioner link operation Connects to remote control line of air conditioner for linked operation Output KRP50 2 interface Can be used to output signals of operating condition and abnormalities to external equipment or to connect humidifier via KRP50
48. er operation monitor When main unit PCB assembly does not operate When communication circuit errors Fuse excess current Power transformer Noise Main unit PCB Troubleshooting Turn off power then restart Does equipment YES Noise may be causing erroneous reset properly operation If power reset does not EAE the problem replace main unit With remote controller disconnected check microcomputer operation monitor Is monitor indicator There may be a malfunction in main After checking Off unit PCB fuse main unit PCB or power other possible causes replace Check fuse and transformer If they are PCB assembly normal replace PCB Monitor indicator remains On gt Replace main unit PCB HF013 Main unit PCB o CN1 2 Supply Exhaust air fan air fan als Microcomputor Operation Monitor EB zB ololololololo P2 F1 F2 Ji J2 JC HLO31 Troubleshooting 47 Troubleshooting SiE00 01 1 15 Dedicated LCD Remote Controller Error Detection Method Error Generating C
49. erminal board Measure resistance between wires cable Resistance should be infinity Use tester to check voltage at terminal board Check with power turned on With remote controller cable disconnected voltage between P1 and P2 on terminal board should be approx 16 VDC If measured value is not approx 16 VDC PCB assembly is faulty Connect remote controller cable and disconnect remote controller Voltage at the end of remote controller cable should be approx 16 VDC If measured value is not 16 VDC remote controller cable is faulty Connect remote controller cable and remote controller Voltage between P1 and P2 on remote controller terminal should be approx 16 VDC If measured valued is not 16 VDC remote controller is faulty P1 P2 69 69 69 69 6969 69 JC 2 P2 P1 controller Remote controler f Main unit PCB ui HLO32 42 Troubleshooting 51 00 01 Troubleshooting 1 10 Data Transmission Error LCD Remote Controller Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code US Inspection Unit No Remote Controller 39 Main Unit Microcomputer checks if data is transmitted properly between main unit and remote controller When data transmission is not per
50. formed correctly for a certain time period Erroneous connection Faulty remote controller setting Faulty remote controller Is remote controller other than dedicated LCD remote controller connected to remote controller cable NO gt Correct wiring Is master slave remote control used NO Is master slave selection switch properly set remote controller gt Replace remote controller Set one master slave selection Switch to Master and set the other to Slave Then turn off power and restart operation gt Replace either master or slave Troubleshooting 43 Troubleshooting SiE00 01 1 11 Data Transmission Error Between LCD Master Remote Controller and Slave Remote Controller Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code Inspection Unit Remote Controller Main Unit Microcomputer checks if data is transmitted properly between master slave remote controller When data transmission is not performed correctly for a certain time period Faulty remote controller setting Faulty remote controller Is master slave remote control used NO Is master slave selection switch set to Master YES Set master slave selection switch to Master
51. function eie tec ter eee e ie ee D nest 36 1 4 Indoor Air Thermistor Error 37 1 5 Outdoor Air Thermistor Error 38 1 6 Damper System Error Alarm i oen diee 39 1 7 Damper System Error Alarm 40 1 8 Dedicated LCD Remote Controller 41 1 9 Data Transmission Error Between LCD Remote Controller and Main Unit 42 1 10 Data Transmission Error LCD Remote Controller 43 Table of Contents 51 00 01 1 11 Data Transmission Error Between LCD Master Remote Controller and Slave Remote Controller 44 1 12 Field Setting a a eat ient 45 1 13 Overlapping Central Control 46 1 14 Main Unit PCB Assembly tere tette 47 1 15 Dedicated LCD Remote Controller 48 LAB HOW tO GIIBOK ente a e a scam teens 49 LA SU MEDIAS EON Ras eater dE M AME 50 1 18 Power 51 1 19 Darn Per 52 Part 8 Supplementary Explanation 1 Supplementary Explanation 54 1 1 Field Setting Service Mode
52. g sound Product Specification 51 00 01 Product Specification 50 60Hz Model Name VAM500FJVE VAM650FJVE VAM800FJVE Power Supply Single Phase 220 240 220 50 60 Hz Temperature Exchanging Ultra High 74 74 74 74 74 74 Efficiency High 74174 74174 74174 Low 77 78 5 77 78 76 76 Enthalpy Cooling Ultra High 926 58 58 58 58 60 60 Exchange High 96 58 58 58 58 60 60 Efficiency Low 96 63 65 5 63 65 62 63 Heating Ultra High 62 62 63 63 65 65 High 90 62 62 63 63 65 65 Low 96 67 68 5 66 68 67 68 Casing Galvanized Steel Plate Insulating Material Self extinguishable Urethane Foam Dimensions HxWxD mm 285 x 812 x 800 348 x 988 x 852 348 x 988 x 852 Heat Exchanging System Air to Air Cross Flow Total Heat Sensible Heat Latent Heat Exchange Heat Exchanging Element Air Filter Specially Processed Nonflammable Paper Multidirectional Fibrous Fleeces Notes Test conditions are as follows Fan Type Sirroco Fan Fan Itra High m3 h 500 500 650 650 800 800 Speed igh mh 500 500 650 650 800 800 ow m h 350 300 500 440 670 660 Itra High Pa 98 147 93 162 137 225 Static igh Pa 54154 39 69 98 118 Pressure Ow Pa 25 20 25 34 49 69 Open Permanent Split phase Induction Motor 4 Poles x 2 Motor Output kW 0 090 2 0 140 2 0 230 2
53. iency High 75175 75175 75175 Low 96 76 5 78 78 78 78 78 Enthalpy Cooling Ultra High 90 61 61 61 61 61 61 Exchange High 96 61761 61761 61 61 Efficiency Low 926 63 66 64 64 66 66 Heating Ultra High 66 66 66 66 66 66 High 96 66 66 66 66 66 66 Low 68 71 68 68 70 70 Casing Galvanized Steel Plate Insulating Material Self extinguishable Urethane Foam Dimensions W D 348 988 1140 710 1498 852 710 1498 1140 Heat Exchanging System Air to Air Cross Flow Total Heat Sensible Heat Latent Heat Exchange Heat Exchanging Element Specially Processed Nonflammable Paper Air Filter Multidirectional Fibrous Fleeces Fan Type Sirroco Fan Fan Itra High mI h 1000 1000 1500 1500 2000 2000 Speed igh mII h 1000 1000 1500 1500 2000 2000 Ow m I h 870 800 1200 1200 1400 1400 Itra High Pa 157 196 137 206 137 196 Static igh Pa 98 108 98 118 78 88 Pressure Ow Pa 78 69 49 69 59 69 Open Type Permanent Split phase Induction Motor 4 Poles 2 Motor Output kW 0 230 2 0 230 4 0 230 4 Operating Heat Ultra High dBA 36 37 37 39 5 41 5 40 5 40 42 5 41 Sound menange High dBA 35 36 35 38 39 38 38 41 28 dBA 31 32 30 34 36 33 35 37 35 Byapss Ultra High dBA 36 37 37 40 5 41 5 40 5 40 42 5 41 High dBA 35 5 36735 38 39 38 38 41 38 Low dBA 31 32 31 33 5 36 33 35 37 35 Operation R
54. igh 3 150 150 250 250 350 350 m h 110 110 155 145 230 210 External Ultra High Pa 69 98 64 98 98 142 Static High Pa 39 54 39 54 70 85 Pressure Low Pa 20 24 20 20 25 15 Fan Motor Type Open Type Capacitor Permanent Split phase Induction Motor 4 Poles x 2 Motor Output kW 0 030x 2 0 030x 2 0 090x 2 Operating Heat Ultra High dBA 27 28 5 28 52 28 29 29 5 32 34 34 5 Sound High dBA 26 27 5 26 5 26 27 26 315 33 32 Low dBA 20 5 21 5 19 21 22 19 5 23 5 26 22 Ultra High dBA 27 28 5 28 28 29 29 32 34 34 5 High dBA 26 5 275 27 27 28 27 31 32 5 33 20 5 21 5 20 21 22 20 5 24 5 26 5 22 Operation Range Ambient 10 C to 50 CDB 80 RH or Less Connection Duct Diameter mm 100 150 150 Weight kg 24 24 33 Drawing Number 4D020371A 4D020372A 4D020373A Test conditions are as follows Indoor unit Outdoor unit Condition CDB 96 CDB Cooling condition 27 50 35 60 Heating condition 20 40 7 70 Notes 1 Operation sound is measured at 1 5 m below the center the body 2 Fan speed can be changed over to Low mode or High mode 3 Operating sound is measured in an anechoic chamber Operating sound level generally become greater than this value depending on the operating conditions reflected sound and peripheral noise 4 The sound level at the air discharge port is about 8 dB higher than the unit s operatin
55. iid ee europei epe 2 3 mode No 30 et 62 Exhaust ethos 2 Centralized System 10 Explanation for Systems 10 Centralized zone interlock setting 26 input Interface 31 Check microcomputer operation monitor 47 input terminal J1 JC 35 Circuit FUNCHONS eene mito tou 31 External input terminal function selection Circuit Operations 30 between J1 and JC 27 CLEANING FREQUENCY 16 External link operation function 22 Gold Area 25 External signal setting JC 42 26 Combined Operation System with VRV Systems and Skyair Series 10 F Control 31 Fan motor damper motor relay 31 Fan speed initial setting 26 D Field Seting si widen if ree Porte 59 2 3 Field Setting Error 45 Damper limit switch interface 31 Field setting function 22 Damper Motor
56. ime when w is pushed the time goes back one hour 13 Push the button Then the reservation is finished Either Q gt O changes from flashing to lighting After the reservation is finished the remaining time is indicated in the display For cancelling the timer operation push the button once again The indication disappears 12 Operation 51 00 01 Operation Operating The HRV Unit Using The Remote Controller of The VRV System Air Conditioner Remote Controller for VRV BRC1A61 62 Independent Operation of The HRV Unit Using The Centralized Coniroller DCS302B61 When the VRV system air conditioner is connected with the HRV unit with a direct duct the remote controller of the air conditioner cannot be used to select the VENTILATION mode To use the HRV unit without operating the air conditioner set the air conditioner in the FAN VENTILATION mode and select the low fan speed 1 Operation lamp 2 Operation stop button 3 Operation mode display 4 Operation mode selector CBR OPTION 010 W Every time operation mode selector is pressed the operation mode display changes as shown below example When air conditioner and HRV unit are not connected by duct Cooling Ventilation lt Fan Ventilation Ventilation
57. ion 2 General Constructions 1 General Constructions SiE00 01 1 General Constructions 11 Explanation VAM150FJVE VAM250FJVE VAM350FJVE VAM500FJVE VAM650FJVE VAM800FJVE VAM1000FJVE 11 a 001 HLOO2 1 Ceiling 2 Duct Connection Flange 3 Exhaust Fan 4 Air Filter Long Life Filter 5 Damper 6 Switch Box 7 Maintenance Cover 8 Heat Exchange Elements 9 Name Plate 10 Air Supply Fan 11 Remote Controller Option Parts 12 Damper Motor 18 EA Exhaust Air Exhaust Air to Outdoor 14 Outdoor Air Fresh Air from Outdoor 15 Space for The Air Filters Heat 16 Return Air Exhaust Air from Room Exchange Elements and Switch Box 17 SA Supply Air Feed Air to Room 2 General Constructions 51 00 01 General Constructions VAM1500FJVE VAM2000FJVE HLO16 HLO17 1 Ceiling Hock 2 Duct Connection Flange 3 Exhaust Fan 4 Filter Long Life Filter 5 Damper 6 Switch Box 7 Maintenance Cover 8 Heat Exchange Elements 9 Name Plate 10 Air Supply Fan 11 Remote Controller Option Parts 12 Motor 13 EA Exhaust Air Exhaust Air to Outdoor 14 Outdoor Air Fresh Air from Outdoor 15 Space for The Air Filters Heat 16 Return Air Exhaust Air from Room Exchange Elements and Switch Box
58. it No reallocation Mode 45 Field setting mode 7 DAIKIN N HRV Unit before reallocation UN No after reallocation SETTING uc we 7 4 Mode No 3 5 LC BRC301B61 HLO42 4 2 Step 1 With equipment field setting mode press the button for than 4 seconds to enter Service mode Step 2 ModeNo UP gt Mode No DOWN Use MODE and AIR VOLUME to select mode No 45 Step 3 Use to select setting Unit No Step 4 Press 2 8 button to select Unit No after reallocation Step 5 Press button once to enter settings Step 6 Press button to return to normal mode Supplementary Explanation 57 Supplementary Explanation SiE00 01 1 1 3 Operation Changeover Control For group control of systems containing heat recovery ventilation units and air conditioners VRV system remote controllers of air conditioners are connected with remote controllers of new heat recovery ventilation units In such system both remote controllers display Operation changeover control according to the ON OFF of cooling heating selection privilege The following diagram shows the display ON OFF condition determined by the unit Example of Operation changeover control display Display ON OFF condition by connection type and cooling heating selection
59. mistor Sensor resistance temperature temperature 10 C or less 108kQ or more 22 Approx 23kQ 5 C Approx 85kQ 24 C Approx 21kQ 0 Approx 66kQ 26 Approx 19kQ 5 Approx 51kQ 28 Approx 18kQ 10 Approx 40kQ 30 16 14 Approx 33kQ 35 Approx 13kQ 16 Approx 30kQ 40 Approx 14 18 Approx 27KQ 50 1655 20 Approx 25kQ If measured value deviates significantly from above values thermistor is faulty Use tester to check resistance Continuity check HLO28 50 Troubleshooting 51 00 01 Troubleshooting 1 18 Power Transformer Error Detection Check resistance and voltage with tester and insulation resistance with megger Method Error Generating Overcurrent by surging etc Deterioration of transformer Conditions Possible Causes Deterioration of transformer Troubleshooting Check resistance of primary side of transformer Does measured resistance deviate significantly from values shown below YES gt Transformer is faulty NO Check resistance of secondary side of transformer Does measured resistance deviate significantly from values shown below YES gt Transformer is faulty Apply rated voltage to primary side of transformer and check output voltage of secondary side of transformer Does measured voltage
60. n an abnormality is generated take necessary measures by referring to displayed error code After the cause of abnormality is removed operate equipment and check proper functioning DAIKIN Indication of unit No of abnormal Inspection indication Error code heat reclaim ventilation unit 027 List of malfunction codes displayed by LCD remote controller LCD Remote Controller Display Error Code Operation Inspection Unit No Description of Abnormality Page Lamp Indication ON OFF Blinking Overall alarm P35 Blinking Blinking Blinking Overall malfunction P36 ON OFF Blinking Inside air thermistor error P37 ON OFF Blinking Outside air thermistor error P38 ON OFF Blinking Damper system alarm P39 Blinking Blinking Blinking Damper system thermistor error P40 Blinking Blinking Blinking Data transmission error between LCD remote P42 controller and main unit OFF Blinking OFF LCD remote controller connection error P43 OFF Blinking OFF Data transmission error between master slave P44 LCD remote controllers UR OFF Blinking OFF LCD remote controller connection error no P45 remote controller for air conditioner in air conditioner group ut ON ON ON Overlapping central control address P46 UE Blinking Blinking Blinking Transmission error between the unit and centralized controller In case of the mulfunction with the shaded error code the unit s
61. nit only Heat recovery ventilation unit Right Heat recovery ventilation unit only Heat recovery ventilation unit air conditioner Wrong Heat recovery ventilation unit only Air conditioner Right Heat recovery ventilation unit air conditioner Heat recovery ventilation unit Wrong Heat recovery ventilation unit air conditioner Heat recovery ventilation unit air conditioner Right Heat recovery ventilation unit air conditioner Air conditioner Right Troubleshooting 45 Troubleshooting SiE00 01 1 13 Overlapping Central Control Address Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code Inspection Unit No 3 Remote Controller Main Unit Remote controller microcomputer checks for double setting of addresses When same address is set to two or more units Overlapping of central control address Faulty remote control Change central control address Settings using remote controller Then turn off power and restart Does equipment reset properly gt Replace remote controller gt End of correction procedure HF012 46 Troubleshooting 51 00 01 Troubleshooting 1 14 Main Unit PCB Assembly Error Detection Method Error Generating Conditions Possible Causes Check microcomput
62. onditions Possible Causes Troubleshooting When no indication is displayed on remote controller Check to see if remote controller displays indication When main unit PCB assembly does not operate When communication circuit errors Error on communication wire Noise etc other than malfunction Faulty remote control PCB Disconnect remote controller cable from both main unit terminal board and remote controller terminal board Using tester check continuity between two wires in cable Is measured NO m value gt There shorting in infinity remote controller cable YES With remote controller cable disconnected from main unit PCB check voltage between P1 and P2 on main unit terminal board Is measured value approx 16 VDC NO gt Main unit PCB may be faulty Check 2 YES Connect remote controller cable to main unit PCB and disconnect remote controller Check voltage at the end of cable on remote control side Is measured value approx 16 VDC NO gt There may be open circuit in remote controller cable YES Remote control PCB may be faulty 014 Check 1 2 3 Refer to page 49 48 Troubleshooting 51 00 01 Troubleshooting 1 16 How to Check
63. onds Set mode No to 00 using 46 or Set centralized control group No using 5 Enter displayed group No by pressing Press to return to normal operation mode For group control the following step must be performed Set unit No using Unit No UNIT No SETTING nn nn i 053 Airflow volume Mode No air conditioner The setting is generally the same for all units the same group control system However the setting of selected units can be fixed by the following method Example gt High High Low Ventilation volume at High Ventilation volume fixed at Low HL054 This setting method can be used when a group control system is connected with units having a different airflow capacity from other units in the system Press for more than 4 seconds Set mode No to 44 using 98 Set unit No using volume ventilation mode using Set airflow direction ventilation volume using Enter settings by pressing D ov Ventilation mode Unit No ab recovery ventilation unit _ SETTING eq FRESH UP Airflow Volume Airflow direction Mode No Ventilation volume 055 air conditioner air conditioner heat recovery ventilation unit 62 Supplementary Explanation 51 00 01 Sup
64. ote 1 Refer to the thermistor temperature resistance conversion table when measuring resistance Thermistor temperature resistance conversion table Thermistor Sensor resistance Thermistor Sensor resistance temperature temperature 10 C or less 108 or more 22 Approx 23kQ 5 Approx 85kQ 24 Approx 21kQ 0 Approx 66kQ 26 Approx 19kQ 5 Approx 51kQ 28 Approx 18kQ 10 Approx 40 30 16 14 Approx 33kQ 35 Approx 13kQ 16 Approx 30kQ 40 Approx 11kQ 18 Approx 27kQ 50 1655 20 Approx 25kQ If measured value deviates significantly from above values thermistor is faulty Use tester to check resistance Continuity check lt lt 028 Troubleshooting 37 Troubleshooting SiE00 01 1 5 Outdoor Air Thermistor Error Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code 55 Inspection Unit No Remote Controller Main Unit Temperature detected by outside air temperature sensor is used to detect errors When value detected by outside air temperature sensor is 40 C or below open circuit or 70 C or higher shorting Faulty sensor W Broken wire Faulty control PCB Faulty
65. per motor limit ON OFF time When damper motor limit switch 1 or 2 remains ON or OFF for more than a certain time duration after ventilation mode is changed When damper motor limit switch 1 or 2 repeats ON OFF operations after damper motor 1 or 2 stops Faulty damper motor or limit switch Broken wire in cable Faulty contact in connector including relay connector Faulty control PCB assembly Is relay connector of NO damper motor unit gt Connect relay connector connected YES Check connectors X3A or X4A X5A or X6A on PCB assembly of damper motor unit Are connectors connected Connect connectors motor unit NO operating normally Note 1 gt Replace damper motor unit Replace control PCB assembly HF005 Note Note 1 W Place tester probes on connectors of limit switch Move switch by hand and check continuity If tester indicates 00 when limit switch turns on and infinity when it turns off limit switch is normal W Place tester probes on connectors of damper motor and check resistance If tester indicates approx 17 in 200 V model damper motor is normal Check resistance and voltage e 029 Troubleshooting 39 Troubleshooting SiE00 01 1 7 Damper System Error Alarm Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes
66. plementary Explanation Individual Settings Heat recovery Ventilation Unit Air Conditioner Ventilation Volume Ventilation Mode Airflow Volume Airflow Direction As indicated by LCD As indicated by LCD Low 1 0 High 3 P4 4 Swing 5 Supplementary Explanation 63 Supplementary Explanation SiE00 01 64 Supplementary Explanation 51 00 01 Part 9 Appendix APPENA MEL DU EIL 66 1 1 Wiring Diagram mtt ten ete ete erba ab me deb ende 66 Appendix 65 51 00 01 VAM250FJVE VAM350FJVE VAM650FJVE VAM800FJVE VAM1000FJVE 1 Appendix 1 1 v6900c00 114415 83404 4014 0 801234802 CHOLON NV 114019 HOLON 801234402 1 0114 10100 ENS NIVN HOLIMS 40159135 114415 13404 WIX CCIW 213ND VH uly 83110818029 110N34 2 10 9 000 114900 HINUOISNVUL ull 308 211389 H 9H P Z O0SdW Y0193NN09 VO HOLINS LINN MLS 21LNDV 4 X CNOLLVU3d0 8 2113NDVM 1000110 015141 YOL n0S2 3613 nid 430 80 9113N9VM HIV
67. ply air fan motor exhaust air fan motor and damper motor 1 2 Abnormality control function Detects abnormalities in thermistor damper motor and data transmission to prevent errors 2 Additional functions 2 1 Ventilation mode changeover function Operates equipment in selected ventilation mode total heat exchange normal automatic 2 2 Automatic ventilation operation function Selects the most suitable ventilation mode by controlling damper motor according to temperature controller mode temperature setting and thermistor data 2 3 Ventilation capacity changeover function Operates equipment at set airflow rate 2 4 Humidifier operation control function Controls humidifier output based on temperature controller judgment Note 1 2 5 Pre cool pre heat function Prevents equipment operation for a preset time set time after air conditioner is turned on 2 6 Freshup function Sets motor tap so that supply air fan airflow rate is larger than exhaust air fan airflow rate 2 7 Filter sign function Stores cumulative operation hour data and turns on air filter cleaning indicator 3 System control functions 3 1 Remote controller function Operates equipment according to instructions from remote controller 3 2 Group function Operates two or more units based on instructions from single remote controller 3 3 Air conditioner link function Follows air conditione
68. privilege Note combination New heat recovery ventilation unit Operation changeover control Remote controller for air conditioner Slave setting Air conditioner VRV system 1 1 System Without selection privilege System B With selection privilege Operation changeover control L No display Remote controller of new heat recovery ventilation unit Master setting HL043 Connection type Operation changeover control display Heat recovery ventilation unit only Heat recovery ventilation unit Cooling heating selection privilege not set Flashing Note 1 Alr conditioner VEN Cooling heating selection privilege ON No display Cooling heating selection privilege OFF Display No display Note 1 Only master remote controller can display flashing Operation changeover control when cooling heating selection privilege is not set 58 Supplementary Explanation SiE00 01 Supplementary Explanation 1 1 4 Field Setting The following shows the procedure for field setting using 7 HRV remote controller of TB new heat recovery UNIT No B EE hr ventilation unit BB 98 6 1 BRC301B1
69. r ON OFF instructions 3 4 Power ON operation function Operates equipment when power is turned on 3 5 External link operation function Turns equipment on and off according to external link terminal signal no voltage contact a 3 6 Centralized control function Allows remote control operation by centralized control equipment 3 7 Timer function Turns equipment on and off at set time 4 Other support functions 4 1 Troubleshooting function Displays error codes to indicate locations of error 4 2 Field setting function Allows initial setting from LCD remote controller Note Note 1 Requires optional humidifier and optional printed circuit board KRP50 2 Wiring adapter for remote contact 22 Control Functions 51 00 01 Control Functions 1 2 Explanation of Individual Functions 1 2 1 Ventilation Operation Control Controls ventilation fan motors supply and exhaust air fans and damper motor 1 Normal operation Operation chart Operation time i I Cleaning Normal ventilation Filter sign mode selection reset Stop Ventilation fan motor Damper motor Heat recovey ventilation unit XE Total heat ventilation mode Total heat exchange ON m ventilation Normal ventilation a ventilation 5 Operation lamp ON i 5 55 Filter
70. rcuit 31 Power Transformer 51 Power transformer 31 Pre cool pre heat function 22 Pre cool pre heat On Off setting 26 Pre cool pre heat operations 24 Pre cool pre heat time min setting 26 Pre heat time extension setting 26 Printed Circuit Board 28 Procedure for entering individual settings mode NO 44 is nde ee Rees 62 Product Specification 6 R Relay drive circuit 31 Remote control data transmission interface 31 Remote Controller 2 3 Remote controller function 22 Remove thermistor and check resistance with tester 222 50 Return 2 3 5 Sensor dala 59 Service Mode Operation 56 Setting for cold areas Fan operaiton selection for heater thermostat OFF 26 Setting for direct power on 26 Setting mode und tdi d 26 Setting switch No
71. ring the indication of centralized control Remote controller for appears on the display the 2 podre Ben OFF and operation may not be possible with the HRV remote controlers Other operations can be performed using the HRV to 1 emote controler remote controllers H for indoor unit HLO05 4 10 Operation SiE00 01 Operation 1 2 X Operation with The Remote Control for Air Conditioning Operation HRV Units BRC301B61 For non independent systems starting stopping operation and timer operation may not be possible Use the air conditioner remote control or the Centralized controller in such cases Operation for 1 Operation lamp INDIVIDUAL This pilot lamp red light up while the unit is in Operation SYSTEM 2 Operation Stop button When pushed once the unit starts operating When pushed twice the unit stops 3 Air flow rate changeover button Air flow rate can be changed over to Low mode High mode FRESH UP Low FRESH UP mode FRESH High FRESH UP mode Remote Controller for HRV 2 BRC301B61 1 f N 6 4 2 J UNIT No AGE hr E AA cone oO serne d pos 8 88 88 B ra i 8 d i 13 E 3 10 7 006
72. s not allowed in this system ON OFF operation is not possible from LCD remote controller of heat recovery ventilation unit 74 7 764 z i S7 Group Grou Grou EOJ F g 1 7 7 7 ES E Remote controller Remote controller Remote controller for air conditioner for air conditioner for air conditioner Adapter PCB for remote control KPR2A61 HLO25 Note With Super Wiring units of different outdoor systems be linked in operation 1 2 5 Field Setting Service Mode 1 Field setting Used for initial setting of heat recoveryw ventilation unit 2 Service mode Used for confirmation of unit Nos in the group and reallocation of unit Nos List of Field Setting and Service Mode Details of setting Mode Setting Setting Setting position Operation method 01 02 03 04 05 06 Group No setting Field 00 30 for centralized setting controller Refer to P55 individual Filter cleaning 17 27 0 Approx Approx No time setting 2500 hr 1250 hr counting Pre cool pre heat 2 Off On Refer to P54 On Off setting Pre cool pre heat 3 30 min 45 min 60 min time min setting Fan speed initial 4 Normal Ultra High setting Yes No setting 5 No duct With duct for direct duct Air flow fan off Connection with setting
73. tenance for The Heat Exchange Element W CLEANING FREQUENCY AT LEAST ONCE EVERY TWO YEARS FOR GENERAL OFFICE USE CLEAN THE ELEMENT MORE FREQUENTLY IF NECESSARY Use a vacuum cleaner to remove dust and foreign objects on the surface of the heat exchange element W Use the vacuum cleaner equipped with a brush on the tip of the suction nozzle Lightly contact the brush on the surface of the heat exchanging element when cleaning Do not crush the heat exchange element while cleaning 2 Install the air filter securely in place 3 Put the heat exchange element on the rail and insert it securely in place 4 Install the maintenance cover securely in place HLO60 Caution Never wash the heat exchanger element with water Maintenance 19 Maintenance SiE00 01 20 Maintenance 51 00 01 Part 5 Control Functions cuc ati luec deer ics 22 1 1 ist of Control Functions 22 1 2 Explanation of Individual e peer o he e 23 1 3 Layout of switches on Printed Circuit 28 Control Functions 21 Control Functions SiE00 01 1 Control Functions 1 1 List of Control Functions Classification Function name Outline of function 1 Basic functions functions related to basic performance 1 1 Ventilation operation control function Controls sup
74. till operates However be sure to have it inspected and repaired and as soon as possible 34 Troubleshooting 51 00 01 Troubleshooting 1 2 Overall Alarm Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code 60 Inspection Unit Remote Controller Main Unit Abnormalities are detected based on open circuit in external input terminals J1 JC When external input terminal J1 JC is shorted during operation Overall Alarm must be set in field setting mode W Faulty external device W Broken wire Faulty control PCB 15 gt Remove the cause of error in properly connected external device YES Measure resistance between external input terminals J1 JC Is resistance NO 200 Q or gt Check wires for abnormalities lower broken wire faulty contact etc YES gt Replace control PCB 001 Troubleshooting 35 Troubleshooting SiE00 01 1 3 Overall Malfunction Remote Controller LCD Display LED Indication Error Detection Method Error Generating Conditions Possible Causes Troubleshooting Error Code 50 Inspection Remote Controller 39 Main Unit Errors are detected based on open circuit in external input terminals J1 JC

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