Energy-Recovery Ventilation System Service Manual
Contents
1. 25 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Main parts introduce Picture Name Function Acentric Motor Sub Assy Make the air flow Heat Exchange core The important Sub Assy that make the fresh air and room air exchange energy Main parts dismantle and install Discharge the two bolts on the right of the Service door and then take down the buckle Remove the two bolts and then circumgyrate the Electric Box to open it 26 Name Change heat exchange core and filter After removing the service door we could be able to take out the core and the filter The core should be washed by cleaner or other special dust catcher equipments except water Name Motor Sub Assy s Fig show teardown 1 Opening the top cover Take out the core and the filter beforehand 2 Remove the bolt as the fig show and take out the fixing board assy 3 Take out the air path foam Disentwine the nut that used to fix the fan and pedestal Remove the bolt that used to fix the fan and side panel 27 5 EXPLODED VIEWS AND PART LIST 1 Model FHBQ D32. S _ 3 5 i z 3 5 Ae IT c It i i _ 1 RM QD A DE Fm b HT 7 9 7 pu p EN A NL Uint wa p ar s w e 9 TF e a ws ss se sz we us w us vs 1 ue wr mons s0 ss s ese we us Joo us ns ue ue wr Foe 016 sz se mo ws oo 1 me us ms mew wm s wm wm m m m iss m fa mouse se d d N electric box RS es W2 7 Ll ge 2 flange dimention c E D ol Hi E 1 69 A2 a A sq H L A3 _ Al Y Uint mm Model L LI W WI W2 H Al A2 A3 B Bl B2 Lus ze 2 INSTALLATION SITE During installation the two ducts fresh air inlet and indoor air outlet outside the room must be installed with anti condensate and heat insulating materials and the ones inside the room should also be installed with them if temperature and 600 Service space humidity in the ceiling is high The ducts outside the room should be kept inclined 1 50 1 30 to avoid water into room
3. connection of 5 otor connection the wires CHAM is normal Maintain or change the wired remote controller Change the Se motor or the capacitance CN 23 3 WIRING DIADRAM 1 3 5 FHBQ D8 K FHBQ D10 K a N vr T zl Power supply 9 Transformer N 7 SA Inching switch Ke N e A 1 pi 8 6 v2 By pass valve motor unm 9 1 X2 Terminal JA Wo E Terminal board a PTT RT2 Indoor outdoor ambient AN 5 W Nie X6 CX 9 CX 2 C 1 09 Fan motor capacitor 1x3 CONTROL UM U ROOM HUMIDITY Fan motor No Code No Name 4x7 US ye 3x14 AD CNP Wired m a gt controller Gil a VE x Cal ii X1 E Y Me NAP a Note OG BU YE BKWHBNRD OG BUYE BKWHBNRD When using air valve centralized control the connection _ l C 4 between XT1 L and 1 should be cancelled and then N n E connect 1 terminal to air valve pinboard not showedin 4 N Z e X G xTe U this drawing choosed by user When need j See Device ion drawin humidifier connect 2 terminal 220V to inductance coil E da evi
4. RESET e IS BN SWITH bs Ba SPEED Mf EXHAUST 5 16 TIMER L d 2 Ba 2 eco P AUTO BYPASS EXCHANGE C ON OFF ML CO 16 Front panel of wired controller Constitution of wired controller Timer display Mode button 2 Energy saving status display 11 Setting humidity increase button 3 Setting humidity display 12 Setting humidity decrease button Ambient humidity display Fan speed button 5 Air exchange mode half half air exchange discharge 14 Reset Switch button and supply Mode auto by pass heat exchange On Off button Cleaning status of filter display Notice For FHBQ D15 M and FHBQ D20 M there is no air discharge and supply function in Item 5 and fan speed in Item 6 is unadjustable For FHBQ D30 M there is no wired controller 3 2 Display View 1 Turn On Off the Unit Press ON OFF button to start the unit Press ON OFF button once again to stop the unit 2 Fan Speed Control The figure is about relative display area the same as below During half half air exchange with each press of FAN button the fan speed will change in the following order Low Mid High Note No change to fan speed of FHBQ D15 M and FHBQ D20 M during control During air discharge and air supply with each press of FAN button the fan speed with switch between high speed and low speed Low High Note No this function for FHBQ D15 M and FHBQ D20 M duri
5. 8 Theair switch should integrate the functions of magnetic release and hot release to protect it for short circuit or overload The field wiring should be subject to circuit diagram attached on the unit 2 Earthing Requirements 1 Reliable earthing measure must be adopted The yellow green earthing wire with the only use never can be cut off and fixed with tapping screws to avoid electric shock 2 Earthing resistance should be accord with the criteria 3 Power supply must be reliably earthed The earthing wire can not connect with a Tap water pipe b Gas pipe c Blowing tube d Place which specialist considers unreliable 5 2 Electric Wiring Design FS V en NOD Va ns O GE NY ec LA OD Iu b a d EENEN 1 1 e e Si Hi cae Slang Sete ignc Ih le Un FMI board egt rela wale Y J MJ x J 20 5 3 Specification of Power Supply Wire and Air Switch Min sectional area Min sectional Capacity of air of earthing wire area of power cord Applied models Power supply switch A 2 2 FHBQ D3 5 K 220V 50Hz FHBQ D5 K 220V 50Hz Note a The power cord of the unit must be copper cored cable and working temp can not exceed specified value b Increase the sectional area of power cord above 15 meters to avoid ov
6. Energy Recovery Ventilation System Service Manual GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODUC eege 3 PMO DEES LIS hoe acess ete 3 2NOMENCEATUNRE ergeet 3 SEFATURES E 4 PRODUC FDA GA ors 5 4 1 Product Data at Rated ee e EE 5 4 2 Electrical abd E 6 SPIFINGDIAGRA M BE 6 CONTROLD EE 7 LOPERATION FLOW EE 7 PAID gu BOCI Qm 8 PENDIENTE 8 22 BY Pass MOJE ouar 8 2 5 Heat EL EE 8 3 WIRED REMOTE CONTROLLER dee 9 EREECHEN e ee e e e 9 BEE EEN 10 5 DIMENSION eege EE EE 113 S INS TA WIA SH ISI ERN ERR 14 I o ENSIS LO NEE 16 1 DIMENSION DATA SE 16 ZINSIALLATION SIDE Iona pasta ee amas 17 SUNELINSTALL cincti ra umet tester meet etu eine 17 A CAUTION FOR ENK Seene Bet eae 18 5 ELECTRIC WIRING WOR TE 19 SC gt LG 19 5 2 DOSISTI E 20 5 3 Specification of Power Supply Wire and Air Switch 21 DH M ODD T EE 22 LTROUBEETADBEPE E 22 2 FLOW CHART OF TROUBLE SHOOTING enne 223 JSWIRING DIADRAM dnd ie ae EC E UM 24 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 26 5 EXPLODED VIEWS AND PART 28 PRODUCT 1 MODELS LIST External Static Air Flow Pressure Appearance FHBQ D3 5 K rw Iw 9 380V3N FHBQ D15 M 1500 50Hz 380V3N FHBQ D20 M 2000 150
7. 1 m ey Should be concelled and then connect terminal to air valve YEGN VEGI showed in this drawing choosed by user jwhen need humidifier connect XII d CUN pr a terminal 220V Live wire to ithe coil of humidifier AC contactor At the same WS time connect the humidification sensor to HUMIDITY terminal on the PCB The part with broken line part is optional for user 4 Model FHBQ D30 M RK 6 8 5 4 ly eS Al Al LY ey Ac Ae 10 9 810 994 3 AIS ale fe Be FREE 26 oe EAR 18 111213 1415 16 See XT3 Lz i XIII OC SEN WH Lxhaust FF H Li AL GL ower Le Le otor Exchange Controlling switch Note hack side LPress IN or Exchange is connected with Ll disconnecteo with Le 2Press or Exhaust is connected with Le disconnected with LI broken line part is connected by user Se ay
8. 2 Energy recovery Function Internal heat exchanger makes the discharged air and introduced air for cooling and heating exchange Energy recovery rate above 70 keeps heat preservation and ventilation realized 3 Low noise Design Special low noise ventilation fan is set 4 Air Filtration and Purge Function Internal air filter keeps the fresh air introduced into room pure and dustless 5 Various Series and Multiple Specifications There are various series to match with the buildings of various structures 4 PRODUCT DATA 4 1 Product Data at Rated Condition eir op E m s m TE M 260 380 600 750 1500 2000 3000 ato 300 600 SES Static Pressure M 180 80 85 85 150 150 Pa e oo os e Temperature Exchanging H n 68 70 75 eo e e oo Enthalpy Heating M 67 64 65 6 65 Exchanging L fos 65 67 70 Efficiency H for 57 60 62 Cooling 63 59 62 64 L fos Jere 65 Wiring Quantity Connections es 400 600 sso Dimeasion un Note 1 The models of 220v power supply type has 3types of fan speed and the models of 380v have one fan speed 2 The temperature exchange efficiency and enthalpy exchange efficiency are tested under these testing conditions as below 1 Cooling efficiency Indoor air 27 20 C WB outdoor temperature 35 29 C W
9. E6 transformer terminals not be started Air valve and relative Check the connecting wire fittings between displayer and main are faulted LO board The centralized controller Check by pass door and drive of air valve of main board structure of the unit and fix is not connected LO it 22 Connect CONTROPL port of main board with live line or pinboard of air valve There is not No power supply or 1 Check power and power from indoor or power cord is incorrectly supply outdoor vent after connected 2 Check the connecting line opening the 2 Control wire is not or between operational box switch incorrectly connected and main unit Normal air in or out from outdoor Find out the leaki ind ou e leakin ace vent but small air Leakage of indoor duct dii and seal it volume from indoor vent Phase sequence of There is a little air 4 ph lv j phase power su is from indoor or 4 Adjust phase sequence wrong and fan of the outdoor vent unit reverses 2 FLOW CHART OF TROUBLE SHOOTING Fan stops opperating ired remote controller N os DN Mantan and Power Power unit on display normally Y Y The N Change the transformer 15 transformer normal Error Code Refer to the displayed y Operating Instruction Change main board S can supply Check the power
10. In order to clean and maintain the filter and heat exchanger core in the system do keep service space as shown in the fig Fresh air outlet Dirty air inlet 3 UNIT INSTALL Fresh air duct Kee ff Jndoor air supply Exhaust air duct ndoor air PPY Room Air inlet Fresh fir outlet A Yes f i inner steer bar A l6hanger P Yo of ee 7 pitehol 30 VLA un ans ane lt P LA cj 7 1 7 LLL YS IE R R L SE L L SE ZZ A GC d air return X ceiling window diffused set room air inlet fresh air outlet outdoor indoor E Ba air duct muffler B room air outlet lt 7 fresh air inlet m air duct muffler CM examine and A repair inlet 600x600 4 CAUTIONS FOR INSTALLATION 1 Never lay wires cables and pipes with toxic inflammable or explosive gas or liquid in the duct 2 The dismountable ports and adjustable parts of duct and fittings can not be installed in the wall or floorslab 3 sundries and filth in or on the duct and fittings should be cleaned before installation 4 The construction of bracket or hanger of the duct should accord with the following specifications 1 The build in fitting setting nail or expansion bolt for bracket or hanger s
11. button to switch among Timer off SESE setting Energy saving startup EXCHANGE setting Energy saving stop setting and C Clear time setting 5 Running Mode Setting Each press of this button the operation mode will change as follow ewe pass Heat exchange Under Auto mode the letter of Auto will light so the system will operate ya MODE K A Za P Z 27 lt a 2 x SC v CQ Ba 5 ny RH CH D RH FAN according to temperature and temperature difference between room and outdoors RESET 7 5 Under pass mode letter of By ran SWITH 31 1 sPEED gt Pass will light so fan will operate Se 2 zi EXCHANGE 7 according to setting Fan mode and fan gt 1 speed Make this mode operate in transient 11 season to prolong service life of the core of heat exchanger Under Heat Exchange mode the letter of Heat Exchange will light After shutdown of air valve the fan will operate according to setting fan mode and fan speed Under this mode the total heat exchange of temperature and humidity can be realized along with exchange of fresh air which is energy saving and healthy 6 Timer Setting In off status of the unit timer on can be set and in on status timer off energy saving on and energy saving off and air clear can be set Press Timer button into timer setting statu
12. 50Hz The symbol of energy j recovery ventilation The structure of heat board exchanger The diathermanous mode Total heat exchange The mode of installation Celling mounted type 3 5 350m h 5 500 i 30 3000 m K single phase The phase of power supply phase Nominal Air Flow 3 FEATURES 3 1 Description Our living environments are more and more affected by modern civilization As the application of air conditioning system and various composite materials popularization of office equipments and development of closeness of constructions and for the purpose of energy saving and reduction of cost which cause decrease of fresh air volume harmful gas and pollution of creature won t be diluted properly and replaced Healthy energy saving simple and reliable fresh air system and equipment has been the focus for engineers and users Gree energy recovery ventilation system has solved this problem This kind of system has two way air exchange function so that the change of indoor temp is little during air exchange The indoor air can be efficiently filtered by the air filter New technology and new materials and special technique applied in the unit can ensure low energy consumption great performance low noise and easy installation 3 2 Standard Features 1 Replacement and Ventilation Function It introduces fresh air into room and discharges indoor airout of room to make you feel comfortable as in the nature
13. is installed vertically the distance between them should not exceed 4m and built in fittings of each vertical duct should be more than 2 pieces 6 The duct flange hanger and hanger for equipment should be coated with anticorrosion paint 7 The floor plate and wall which the duct passes should be repaired after construction The holes on the external wall should be kept 2 100 gradient at level direction the internal is higher to avoid rainwater into the room 8 Installation of duct and connection between air vent and duct should be firm The frame and decorative surface should be solid external surface should be level and indeformable and adjustment should be flexible 5 ELECTRIC WIRING WORK 5 Wiring Principle 1 Layout of Wires 1 Layout of wires should accord with national wiring criteria 2 Thepower supply must be with rated voltage and special for AC 3 The power supply should be reliable to prevent terminals from being stressed Never pull the power cord forcibly 4 The line width of power cord must be large enough Replace the broken power cord or connecting wire with special cable 5 of the electric installation must be performed by professionals according to local laws and regulations and instructions 6 Theearthing wire should be reliably connected with special earthing device and be performs by professionals 7 switch and leakage switch which can cut off the general power supply should be installed
14. 5 K FHBQ D5 K FHBQ D8 K FHBQ D10 K FHBQ DI5 M FHBQ D20 M Exploded View Parts List FHBQ D3 5 K Name FHBQ D5 K sponge 1 Left Side Plate 12208928 i ums Assy 2often Side Pie 1 onoo 6 sermen p _ 5 mmese p ramas soars 28 00908901 12319812 15408901 01268901 1220890103 01311116 30295007 heat exchanger assy 17 2 Sub assy of Left Side Plate Display board FHBQ D8 K Code sponge 1 Left Side Plate 2 sponge 2 Left Side Plate 1 Assy of Left Side Plate 1 Assy of overhauling door 1 Door Holder 1 UN Base Plate Assy 1 Retaining Plate Assy 2 E Rubber Sheet 2 Electric Box Assy 1 Sub assy of Right Side Plate 1 flange Sub assy 4 sponge Side of Bottom Plate 1 Filter Sub assy 2 heat exchanger assy 2 Motor Sub Assy 2 Cover Plate Assy 1 Sub assy of Left Side Plate 1 23 Display board 1 FHBQ D15 M Code sponge 1 Left Side Plate 2 12201137 2 sponge 2 Left Side Plate 1 12201138 Assy of Left Side Plate 1 01311123 ud 20 Assy of overhauling door Door Holder Base Plate Assy Retaining Plate Assy Rubber Sheet Foam Assy 3 Electric Box Assy Sub assy of Right Side Plate flange Sub assy Foam Assy sponge Side of Bottom Plate By pass assy Filter Sub assy he
15. B 2 Heating efficiency 20 CDB 14 CWB Outdoor air temperature 5 2 C WB 3 Sound power level according to ISO 5151 sound pressure calculated at 1m distance 4 Operation condition ambient temperature 15 50 relevate humidity less than 80 RH 4 2 Electrical Data Power Max Fuse Min Model Supply Breaker Size Disconnect Size FHBQ D20 M 14AX2 4 55A 3 15A FHBQ D30 M 42AX2 13 65A 9 45A Notes RLA Rated load amperes FHBQ D15 M 1 4A X2 4 55 3 15A LRA Locked rotor amperes FLA Full load current 5 PIPING DIAGRAM Outdoor Indoor Air discharge Air supply a NC Ae Es Heat Fresh air Y Room air n CONTROL 1 OPERATION FLOWCHART Begin Initialize valve checked OK gt LO Error gt Energy saving on Timer function on gt Timer on Y N Cleaning N Humidifying function on N 4 Remind until the time setting come Stop or move according to the opposite humidity Humidity sensor error display L1 udge running mode y Auto mode By Pass mode y Heat Exchange mode 2 MAIN LOGIC 2 1 Auto mode Detect the temperature indoor and outdoor for durative a period of time DThe system will oper
16. at exchanger assy Foam Assy 2 Motor Sub Assy Cover Plate Assy sponge Display board Model FHBQ D30 M Exploded View 30 Parts List NO Heat exchange core 49018903 2 Fan retaining rack Sub assy 01848905 Guide groove filter 1 02281112 NO NIDN G2 SE Num Code Front side plate assy 1 1 Assy of overhauling door 1 Electric Box Assy 1 Filter Sub ass 4 Front side plate assy 2 1 e Hanger crossbeam 2 Bottom plate assy 1 Rubber gasket 8 9 Hanger longeron Sub assy 2 Acentric motor 2 Air inlet outlet assy 4 Side plate air outlet 2 Clapboard assy 1 1 Back side plate assy 1 Top cover plate 1 1 Top cover plate 2 1 Middle clapboard assy 1 1 Clapboard assy 2 1 Connection plate top cover 1 Guide groove top cover 1 49018903 PDM JF00300198
17. ate under by pass mode according to temperature and temperature difference between room and outdoors is little in transient season The system will operate as such request By Pass air valve opens the air discharge fan and air supply fan will operate according to setting fan speed 2 The system will operate under heat exchange mode according to temperature and temperature difference between room and outdoors is large in transient season The system will operate as such request By Pass air valve closes the air discharge fan and air supply fan will operate according to setting fan speed 3 The system will operate according to the primary mode before the system was off 2 2 By Pass mode Under By pass mode air valve is open The system will operate as such request If the air valve is close the air discharge fan and air supply fan will stop When the air valve is open the fan will operate according to setting fan speed 2 3 Heat Exchange mode Under Heat Exchange mode the air valve is close The system will operate as such request Electrify the air valve motor judge the position of the air valve The air discharge fan and air supply fan will stop if the air valve is open or they will operate according to setting fan speed 3 WIRED REMOTE CONTROLLER 3 1 Operation View IS 1 2 3 5 6 7 TUE WED THU FRI SAT SUN 11 12 SET gave ENV I IE J eRROR CU 22 GR RH FAN 3 S
18. e location drawing of humidifier AC contactor At the same time connect the n j W Be j W humidification sensor to HUMIDITY terminal on the ue A ng The part with broken line part is optional for user NS ON Pa S _ TN S 7 N _ A 2 Model FHBQ D5 K oTa 2 zl T P c Q C Transformer Power supply gt SA Inching switch W 4 NI MES g M3 By pass valve motor d E V E i TES 5 X1 Xe Terminal W5 2 x 1 x p Terminal board A indoor outdoor ambient 3 RIVRI temp sensor Y Ss x 3 E l ei 1 a CS CX 2 C Fan motor capacitor L 1x3 CONTR HUMID 001 ROOM HUMID Le Fan molor n No Code No Name amp 3x7 USE TSA X14 AC L SC c Wired n 1 pe uc controller d a A NA L N LMHN mac T 8 Jk N3 p X13 X2 VAL VI XW P 1PV Ce m e Ke SE Ce V e D Xil X X8 Xle X4 X1 X16 Y Y Y Y Y Y Y Y V C AN N A A gely bs d 4 N 7 2 lt lt gt gt KJ 75 b gt S Note 004 KC A When using air valve centralized control the 2N p ja M _ connection between XT1 L 1 should be OG BU YE BKWHBNRD OG BUYE BKWHBNRD LCC CUM cancelled and then connect 1 terminal to air L L vie valve pinboard not showed in this N pe N NE drawing choosed by user When need N N V D K d XTZ humid
19. erload 21 MAINTENANCE 1 TROUBLE TABLE ee Communication between the main board and the Communication error a wire remote controller is in trouble Something is wrong with temp sensor or the Indoor temp sensor error temperature is overstep the range of the temp sensor B i Humidity sensor is not connected or Humidity sensor error Lt MEN communication 15 in trouble Something is wrong with temp sensor or the Outdoor temp sensor error temperature is overstep the range of the temp sensor Air valve and relevant fitting error or wrong connection of By pass door and drive structure of the unit loose centralized control wiring of air valve Fault Diagnose After debugging and trial run the unit can be normally used by the user If any fault occurs remove it firstly by yourself according to the following table before you contact us Airflow volume at air outlet inlet E Too much dust gathers is obviously Replace or clean air filter on the air filter decreased after a period of time r Noise occurs at air Installation of air vent is Re fix the collecting place of vent loose air vent No power supply or Repair the power supply and power cord is incorrectly check power cord according connected Repair the power supply and Terminals of main board check power cord according transformer are loose to circuit diagram on the unit Communication fault Re insert and connect The system can
20. hould be placed correctly and firmly The inlet part should be free of oil soil and painting 2 The layout of the bracket or hanger should accord with design specifications If there is no design specification following specifications will apply a Pole bracket or inclined bracket is applicable for horizontal duct against wall or pole and 18 support bracket for that far from wall or pole Strip hanger 15 applicable for the duct with diameter or length of side below 400mm b Arm bracket or inclined bracket is applicable for vetical duct against wall or pole and anchor ear bracket for that far from wall or pole The vertical pipe outside the room or on the roof should be fixed with derrick or dragline 3 The hanger s rod should be flat and its screw thread should be full and smooth Either threaded connection or welding 15 suitable for joint of hangers If the former one is adopted connecting thread of either end should be longer than diameter of hanger moreover anti loosing measure should be made If the later one is adopted lapping joint is applicable and its length should be 6 times longer than diameter of hanger at least at two sides 4 The holes the bracket and hanger should be drilled mechanically and not with gas cutting 5 The bracket and hanger can not set at air vent valve or service door The hanger can not be directly fixed at flange The distance between horizontal duct bracket and hanger can not exceed 4m If the duct
21. ifier connect 2 terminal 220V to 1 iesu Devi i ads A evice location drawin inductance coil of humidifier AC contactor At the w x VJ g same time connect the humidification sensor to BE d o Les HUMIDITY terminal on the PCB The part with Cb broken line is optional for user EN A at F N Fo TANS MV Meu cm 24 3 Model FHBQ D15 M FHBQ D20 M a on MW T R uai gt 7 KMI KM2 AC contactor Hi 6 IC Transformer ag z 5 Inching switch 1 4 M3 By pass valve motor yaw Q Q gt XT 9 m P 5 Indoor outodoor SANE 3 ambient temp sensor BNI WH8 3 1 MI Me Fan motor a X3 CONTR me z ND code NU Name WHIO UI ROOM HUMIDITY PASC LEN RD ET OA A3 Jureo controller BUJ Br _ le Bas M d 3 le H ML H ML VALVE XW P ic vd KMI x91 yieklsyg x4 x X17 X16 Ac Ac UU OY v Y BK13 sap TC KM KM2 7 xp por e BK17 V 8UIS RDid RDIS d YE18 VN 3K14 y eo BK um m Device location BN P BRS PES drawing EE MI Note M o When using air valve centralized controlthe connection between 1
22. ng control D LA m Sohn SET ENV ran MF sPEED W HEAT EXCHANGE RESET SWITH E TIMER SET ENV rr rr GI RH ay ee FAN 7 SPEED EXCHANGE SET ENV Z o EXHAUST HEAT EXCHANGE OF ON OFF C 3 Humidity Adjustment If there is humidifying function in the unit press humidify button A Used to increase setting humidity Used to decrease setting humidity Once press of this button the temperature will increase or decrease by 5 E 17 RH ml LE JS RH Note Lock function Pressing A and V simultaneously for 5s the place of setting swim humidity will display EE and all response n to buttons will be shielded And then EXCHANGE press A and V simultaneously OF ON OFF 4 P a for 55 to release Lock Function When long distance monitoring or centralized control shield displayer the signals of buttons and from remote controller will be shielded and CC will be displayed in the place of setting humidity Setting range of humidity 40 60 RH 4 Reset Switch Function Setting Not having pressed Timer button long press Reset Switch button for 5s to rr clear operation time and icon After n 1 dme 5 RH 5 Lat Ao RH pressing of Timer button Under On status of the unit short press Reset Switch
23. s TIMER Hr and letters corresponding setting will blink SET ENV E g during timer off setting Timer Hr and AR L RH ml Lal AO RH OFF will flash In this case the user can press L V to increase or decrease setting time Repress Timer button to make the timer valid SES M HEAT and the timing will be calculated after that EXCHANGE When the unit is under timer state press C ON OFF CF theTimer button to cancel it The time interval is 0 5 hr The setting range of Timer on off is 0 5 24hr The setting range of Energy Saving On 15 2 5hr and default is 2hr The setting range of Energy Saving is 1 4hr and the default is Ihr Note press FAN and V at the same time for 5s only after energy saving timer setting the energy saving function can operate The setting range of Timer Clear is 1250hr 2500hr and 00000 The default is 1250hr 7 Ambient Temp Display Under normal state only indoor ambient humidity is display at ENV Notice The humidifying function with the unit can be valid after it 1s started 8 Humidifying ON OFF Display Press MODE and Wat the same time for 5s to switch between humidifying ON OFF Note The unit with humidifying function can normally run The indoor humidity and setting humidity can be displayed only If this function is on The default is OFF It is recommended to ON in dry period The fittings are optional 9 Fan Mode Display Press FAN and A at the same
24. stly and then reserve a groove or hole for embedding of communication wire according to its dimension 2 If wired controller and indoor communication wire are mounted visibly 1 pipe can be used and corresponding grooves should be set in the wall If in hidden 1 PVC pipe can be used 3 Whether mounted visibly or in hidden drill two holes keep level in the wall as the distance 60mm between the two holes in underplate of wired controller and then inset stopper into the holes through which the wired controller can be fixed Insert communication wire in the control board At last clasp the controller panel Note During installation of underplate of wired controller pay attention to its direction The side with 2 breaches must be kept downwards PVC pipe The appearance of the controller should be subject to entity Underplate of wire controller Screw M4X10 Controller panel We must not tear down the panel in these wrong ways as When you want to check the panel you need use a screwdriver to tear down it like 14 this Insert this position with a screwdriver screwdriver Circumrotate the screwdriver clockwise or anticlockwise the same to the other side Pull the display board to make the clip break off Display board and Bottom panel are separate absolutely 15 INSTALLATION 1 DIMENSION DATA
25. time for 5s to switch among half half air exchange discharge and supply The fan mode 15 selected by the users E g plus pressure is needed m the room fan mode can be adopted and if negative pressure is needed air discharge mode can be adopted Half half air exchange is for normal station 10 Energy Saving Mode Display Press FAN and V at the same time for 5s to switch between energy saving on off If under energy saving on state Energy Saving will be displayed If the unit needn t operate for a long time energy saving mode can be adopted to meet the demands of both function of fresh air exchange and quality of indoor air by users 3 3 Dimension ad 57 0 _ ct 52 0 22 E 26 0 A S IX CO IN RO mA 3 0 E LS E i E 16 0 23 0 cb Bae 22 2 2 LO E e Y 1 o LO f dJ a S Ss 9 7 U 7 7 Pa 2 SW 1 E LI ertr 22 Y ZZ Bottom Panel Dimension and Installation Dimension 13 85 0 3 4 Installation 1 Locate the installation position fir
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