Energy-Recovery Ventilation System Service Manual
Contents
1. 5 POWER 3 4 eee pam su x7 amp C N HUMIDITY lj LL controller Humidifier X CN7 4 1 Remote AC Contactor Coil e X6 HUMID 1 Control Note 1 When need humidifier connect 1 and 2 terminal 220 to the contactor coil of the humidifier Meanwhile connect the humidification sensor to HUMIDITY terminal on the main board 2 Wire the CN9 on the main board to the united control to access a center control to the air valves 3 The part with broken line is optional for user 2 Model FHBQ D15 M FHBQ D20 M 2 N 38 58 POWER 3 4 XT1 PEQ a bh 11 X14 AC L CNS CN9 L2 Le HUMIDITY L3 4 3 CN 4 Wired N r P1 J controller ee e AC 1 CN7 4 Remote Humidifier U Control AC Contactor Coil lt X6 HUMID Note 1 When need humidifier connect 1 and 2 terminal 220V 1 to the contactor coil of the humidifier Meanwhile connect the humidification sensor to HUMIDITY terminal on the main board 2 Wire the CN9 on the main board to the united2. Contactor loop 2 AC contactor 1 AC contactor 2 Contactor loop 1 Fan motor Fan motor heat relay heat relay Wire controller 5 3 Specification of Power Supply Wire and Air Switch Applied models Power s bpi Capacity of air Min sectional area of Min sectional area of id PT Switch A earthing wire mm power cord FHBQ D3 5 K 220V 50Hz 6 1 0 1 0 FHBQ D5 K 220V 50Hz 6 1 0 1 0 FHBQ D8 K 220V 50Hz 6 1 0 1 0 FHBQ D10 K 220V 50Hz 6 1 0 1 0 FHBQ D15 M 380V 3N 50Hz 6 1 0 1 0 FHBQ D20 M 380V 3 50 2 6 1 0 1 0 FHBQ D30 M 380V 3 50 2 6 1 0 1 0 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 overload INSTALLATION 22 BH System Service Manual MAINTENANCE 23 MAINTENANCE Energy Recovery Ventilation System Service Manual MAINTENANCE 1 TROUBLE TABLE Error Error Code Logic Communication between the main board and the wire remote controller is Communication error E6 in trouble omething is wrong with temp sensor or the temperature is overstep the Indoor temp sensor error FO oe ining 1S Wrong witii temp xL DE range of the temp sensor Humidity sensor error L1 Humidity sensor is not connected or communication is in troubl
3. l p Fresh air air intlet outlet m 5 L outlet Room ai CP gt N Ge gi E t 1 _ LF C D A D AN e K 2 m 4 Z Uint mm Model A A1 B B1 C C1 D E F G H N FHBQ D3 5 K 879 823 800 852 306 125 90 125 175 136 416 197 FHBQ D5 K 879 823 800 852 306 125 90 125 175 136 416 197 FHBQ D8 K 1016 960 832 884 380 165 90 150 230 155 372 246 FHBQ D10 K 1016 960 832 884 380 165 90 150 230 155 372 246 FHBQ D15 M 1215 1159 1210 1262 452 200 100 190 277 178 737 297 FHBQ D20 M 1215 1159 1210 1262 452 200 100 190 277 178 737 297 L w N N electric H lt 2 box I 1 H w2 L1 4 914 1 T 4 2 4 flange dimention T 8 1 115 FE E 8 0 F 1 ee Lue eo cm 3 s 9 A2 lt 10 29 2 57t mE EL 50 14 g A1 LI Li D Uint mm Model L L1 W2 H H1 A A1 A2 A3 B B1 B2 FHBQ D30 M 1550 1650 1340 1310 670 572 249 346 386 180 366 332 3
4. No Name Num Code 1 sponge 1 Left Side Plate 2 12208928 2 sponge 2 Left Side Plate 1 12208916 3 Assy 2 of Left Side Plate 1 01318902 4 Assy of overhauling door 1 01398902 5 Door Holder 1 02208901 6 Base Plate Assy 1 01288901 7 Retaining Plate Assy 2 01848903 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12319813 10 Electric Box Assy 1 01396159 11 Sub assy of Right Side Plate 1 01311115 12 flange Sub assy 4 01491142 13 1 2 12319811 14 sponge Side of Bottom Plate 1 12208920 15 By pass assy 1 07138901 16 Filter Sub assy 2 11128901 17 heat exchanger assy 2 00908901 18 Foam Assy 2 1 12319812 19 Motor Sub Assy 2 15408901 20 Cover Plate Assy 1 01268901 21 sponge 1 1220890103 22 Sub assy 1 of Left Side Plate 1 701311116 23 Display board 1 30295007 MAINTENANCE 30 m System Service Manual FHBQ D5 K EH01100020 No Name Num Code 1 sponge 1 Left Side Plate 2 12208928 2 sponge 2 Left Side Plate 1 12208916 3 Assy 2 of Left Side Plate 1 01318902 4 Assy of overhauling door 1 01398902 5 Door Holder 1 02208901 6 Base Plate Assy 1 01288901 7 Retaining Plate Assy 2 01848903 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12319813 10 Electric Box Assy 1 01396159 11 Sub assy of Right Side Plate 1 01311115 12 flange Sub assy 4 01491142 13 Foam Assy 1 2 12319811 14 sponge Side of Bottom Plate 1 1220892
5. No Name Num Code 1 Front side plate assy 1 1 01398904 2 Assy of overhauling door 1 01318912 3 Electric Box Assy 1 01396168 4 Filter Sub ass 4 11128001 5 Front side plate assy 2 1 01316080 6 Hanger crossbeam 2 01871226 7 Bottom plate assy 1 02228904 8 Rubber gasket 8 76018401 9 Hanger longeron Sub assy 2 01871224 10 Acentric motor 2 15706001 11 Air inlet outlet assy 4 01491143 12 Side plate air outlet 2 01318918 13 Clapboard assy 1 1 01248901 14 Back side plate assy 1 01318909 15 Top cover plate 1 1 01268906 16 Top cover plate 2 1 01268907 17 Middle clapboard assy 1 1 01248909 18 Clapboard assy 2 1 01248905 19 Connection plate top cover 1 01341105 20 Guide groove top cover 1 02281115 21 Heat exchange core 2 49018903 22 Fan retaining rack Sub assy 2 01848905 23 Guide groove filter 1 02281112 37 MAINTENANCE JF00300198 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 486 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations
6. Cleaning gt Remind until the time setting come ph lt Y Humidifying function on Judge running Stop or move according to the opposite humidity Humidity sensor error display L 1 mode 1 i 5 Auto mode By Pass mode Heat Exchange mode 7 CONTROL System Service Manual a System Service Manual m 2 MAIN LOGIC 2 1 Auto mode Detect the temperature indoor and outdoor for durative a period of time 1 The system will operate 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 1 Under By pass mode air valve is open 2 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
7. 21 MAINTENANCE eret 24 1 TROUBLE TABLE 24 2 FLOW CHART OF TROUBLE SHOOTING 2 7 1 2 nn 25 3 WIRING DIADRANM 26 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 28 5 EXPLODED VIEWS AND PART LIST 30 BH System Service Manual PRODUCT 1 PRODUCT Systom Service Manual a System Service Manual m PRODUCT 1 MODELS LIST 1 1 Outdoor Unit Model Code Air Flow m h 2 H 350 H 100 FHBQ D3 5 K 01100010 M 260 M 80 L 210 L 60 H 500 H 100 FHBQ D5 K 01100020 380 M 80 L 300 L 60 220V H 800 H 110 50Hz FHBQ D8 K 1100030 M 600 M 85 L 480 L 65 H 1000 H 110 FHBQ D10 K 01100040 M 750 M 85 L 600 L 65 FHBQ D15 M 01100050 1500 150 FHBQ D20 M EH01100060 2000 150 FHBQ D30 M EH01100070 3000 220 2 NOMENCLATURE FH B Q D 3 5 K 1 2 3 4 5 6 NO Description Options The symbol of energy s recovery ventilation 2 The structure of heat exchanger board 3 The diathermanous mode Total heat exchange 4 The mode of installation Cel
8. DB 19 5 WB outdoor temperature 35 C DB 28 C WB 2 Heating efficiency 21 DB 13 C WB Outdoor air temperature 5 C DB 2 WB 3 Sound power level according to ISO 5151 sound pressure calculated at 1 5m distance 4 Operation condition ambient temperature 15 C 50 C relevate humidity less than 80 RH PRODUCT 4 4 2 Electrical Data Energy Recovery Ventilation System Service Manual Notes 1 RLA Rated load amperes 2 LRA Locked rotor amperes 3 FLA Full load current 5 PIPING DIAGRAM Air discharge Outdoor Fresh air Indoor Heat exchanger Power Fan Max Fuse Min Model Supply Motor Breaker Size Disconnect Size V Ph Hz FLA Each Amperes Amperes FHBQ D3 5 K 0 76Ax2 2 47A 1 71A FHBQ D5 K 0 76 2 2 47A 1 71A 220V 50Hz FHBQ D8 K 1 0Ax2 3 25A 2 25A FHBQ D10 K 1 0Ax2 3 25A 2 25A FHBQ D15 M 1 4Ax2 4 55A 3 15A FHBQ D20 M 380V 3N 50Hz 1 4Ax2 4 55A 3 15A FHBQ D30 M 4 2Ax2 13 65A 9 45A Air supply Room air 5 PRODUCT Systom Service Manual A System Service Manual m CONTROL CONTROL 6 m System Service Manual CONTROL 1 OPERATION FLOWCHART Bengin Initialize l Air valve checked OK LO Error Yo Air valve interface with electricity Y Y Energy saving function on Energy saving on Timer function on Timeron
9. be 6 times longer than diameter of hanger at least at two sides 4 The holes on 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 is installed vertically the distance between them should not exceed 4m and the 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 INSTALLATION 20 E Service Manual m System Service Manual 5 ELECTRIC WIRING WORK 5 1 Wiring Principle Layout of Wires 1 Layout of wires should accord with national wiring criteria 2 The power 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 p
10. control to access a center control to the air valves 3 The part with broken line is optional for user 2 MAINTENANCE 26 m System Service Manual 3 FHBQ D30 M 6 8 7 2 Z 1y 3 5 11 315 Al Al Ae Ae E 10 T7 9 FRI 955 FR 95 FR 2 4 6 2 4 16 96 966 3 18 1121314 15 16 11213 41516171819 10 1 21 6 hl X 1111 XTIILILALJN A WH WH WH WH Exhaust OFF YE GNRD YEGNRD Lt f E GL GL PE POWER Blower Le Le Motor Fan YEGN YEGN Exchange ON Motor Controlling switch Note back side 1 Press ON or Exchange L is connected with L1 disconnected with L2 2 Press OFF or Exhaust L is connected with L2 disconnected with L1 3 The broken line part is connected by user 27 MAINTENANCE Systom Service Manual A aww System Service Manual m 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Picture Name Function Acentric Motor Sub Assy Make the air flow The important Sub Assy that make the Heat Exchange core fresh air an
11. this mode operate in transient season to prolong service life of the core of heat exchanger 4 Under Heat Exchange mode the letter of Heat Exchangewill 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 11 CONTROL Systom Service Manual A System Service Manual m MODE AC SET ENV v crs crs RH 4149 FAN RESET SWITH SPEED W HEAT TIMER EXCHANGE O ON OFF 2 Fig 7 6 Timer Setting Fig 8 1 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 2 Press Timer button into timer setting status TIMER Hr and letters corresponding setting will blink 3 E g during timer off setting Timer Hr and OFF will flash In this case the user can press Aor Yto increase or decrease setting time Repress Timer button to make the timer valid and the timing will be Fig 9 calculated after that When the unit is under timer state press theTimer button to cancel it The time interval is 0 5 hr 4 The setting range of Timer on off is 0 5 24hr 5 The setting range of Energy Saving On is 2 5hr and the default is 2hr 6 The setting range of Energy Saving Off is 1 4hr and the d
12. 0 15 By pass assy 1 07138901 16 Filter Sub assy 2 11128901 17 heat exchanger assy 2 00908901 18 Foam Assy 2 1 12319812 19 Motor Sub Assy 2 15408901 20 Cover Plate Assy 1 01268901 21 sponge 1 1220890103 22 Sub assy 1 of Left Side Plate 1 701311116 23 Display board 1 30295007 31 MAINTENANCE Systom Service Manuel A System Service Manual m FHBQ D8 K EH01100030 No Name Num Code 1 sponge 1 Left Side Plate 2 12201137 2 sponge 2 Left Side Plate 1 12201138 3 Assy of Left Side Plate 1 01311123 4 Assy of overhauling door 1 01391128 5 Door Holder 1 02208901 6 Base Plate Assy 1 02221124 7 Retaining Plate Assy 2 01841108 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12311101 10 Electric Box Assy 1 01396160 11 Sub assy of Right Side Plate 1 01311125 12 flange Sub assy 4 01491139 13 Foam Assy 1 2 12311103 14 sponge Side of Bottom Plate 1 12201141 15 By pass assy 1 04631124 16 Filter Sub assy 2 1112800101 17 heat exchanger assy 2 00901101 18 Foam Assy 2 1 12311102 19 Motor Sub Assy 2 15401109 20 Cover Plate Assy 1 01261109 21 sponge 1 1220113504 22 Sub assy of Left Side Plate 1 01311116 23 Display board 1 30295007 MAINTENANCE 32 m System Service Manual FHBQ D10 K EH01100040 No Name Num Code 1 sponge 1 Left Side Plate 2 12201137 2 sponge 2 Left Side
13. 2 1 12311102 19 Motor Sub Assy 2 15401109 20 Cover Plate Assy 1 01261109 21 sponge 1 1220113504 22 1 01311116 23 Display board 1 30295007 MAINTENANCE 34 m System Service Manual FHBQ D20 M EH01100060 No Name Num Code 1 sponge 1 Left Side Plate 2 12201137 2 sponge 2 Left Side Plate 1 12201138 3 Assy of Left Side Plate 1 01311123 4 Assy of overhauling door 1 01391128 5 Door Holder 1 02208901 6 Base Plate Assy 1 02221124 7 Retaining Plate Assy 2 01841108 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12311101 10 Electric Box Assy 1 01396160 11 Sub assy of Right Side Plate 1 01311125 12 flange Sub assy 4 01491139 13 Foam Assy 1 2 12311103 14 sponge Side of Bottom Plate 1 12201141 15 By pass assy 1 04631124 16 Filter Sub assy 2 1112800101 17 heat exchanger assy 2 00901101 18 Foam Assy 2 1 12311102 19 Motor Sub Assy 2 15401109 20 Cover Plate Assy 1 01261109 21 sponge 1 1220113504 22 1 01311116 23 Display board 1 30295007 35 MAINTENANCE al BH ry Ventilation Manu Energy Recove System Service Model FHBQ D30 M Exploded View NS Ss 20 iN 16 cpm 52 eX WE pM 17 0 7 J CU CU MAINTENANCE 36 m System Service Manual FHBQ D30 M EH01100070 Parts List
14. 2 3 Heat Exchange mode 1 Under Heat Exchange mode the air valve is close 2 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 CONTROL 8 m Energy Recovery Ventilation m System Service Manual 3 WIRED REMOTE CONTROLLER 3 1 Operation View 10 WISE i 1 ONOFF Lf Lits LE HR 123 MON TUE WED THU FRI SAT SUN 2 12 SET 3 n Bog 4 RH suppry FAN 4 speen EXHAUST 15 7 UO Ss EXCHANGE Fig 1 Front panel of wired controller Constitution of wired controller 1 Timer display 9 Cleaning status of filter display 2 Energy saving status display 10 Mode button 3 Setting humidity display 11 Setting humidity increase button 4 Ambient humidity display 12 Setting humidity decrease button 5 Air exchange mode half half air 13 Fan speed button exchange discharge and supply 6 Fan speed display high mid low 14 Reset Switch button Mode auto by pass heat exchange 8 Error status display 16 On Off button 15 Timer button 1 Turn On Off the Unit 1 Press ON OFF button to start the unit Fig 2 2 Press ON OFF button once again to stop the unit MODE A SET ENV v V1 RH HA RH FAN RESET SWIT
15. 72 352 INSTALLATION 18 m Energy Recovery Ventilation m System Service Manual 2 INSTALLATION SITE Roomair outlet Fresh air inlet Service space Fresh air outlet Room air inlet 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 humidity in the ceiling is high The ducts outside the room should be kept inclined 1 50 1 30 to avoid water into room In order to clean and maintain the filter and heat exchanger core in the system do keep service space as shown in the fig 3 UNIT INSTALL Fresh air duct Air discharge duct Fresh air inlet Indoor Exhanst air duct Indoor air supply Room air outlet Insulation materia Room air inlet Fresh air outlet 19 INSTALLATION Systom Service Manual 7 System Service Manual m air return window room air inletf resh air outle outdoor indoor N air duct muffler room air outle fresh air inle air duct muffler 600 600 Li H 200 examine and repair 4 CAUTIONS FOR INSTALLATION 1 Never lay wires cables and pipes with toxic inflammable or explosive gas or liquid in the duct 2 The dism
16. GREE Change for Life Energy Recovery Ventilation System gt gt Service Manual lt lt GC2011104 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Energy Recovery Ventilation m a E System Service Manual Contents PRODUCT ARR 2 1 MODELS LIST eR 2 2 NOMENCLATURE 2 S FEATURES 2 6 a a a a a 01 22 22 aa 2 4 PRODUCT DATA U U u u 3 5 PIPING DIAGRAM U 5 CONTROL E 7 1 OPERATION FLOWCHARTI A 7 2 igecliocm 8 3 WIRED REMOTE CONTROLLER 9 INSTALLATION ccccsesssecessescsscscsesecsesssscscecsesesececsescecscsscacscsesecacsesecscees 18 1 DIMENSION DATA 18 2 INSIALLATION SITE L u u luu u uyu roro re a cone s uu Sun u Su 19 m 19 4 CAUTIONS FOR INSTALLATION 20 5 ELECTRIC WIRING WORK
17. H SPEED HEAT TIMER EXCHANGE O ON OFF 2 SAQA j Fig 2 9 CONTROL System Service Manual System Service Manual m 2 Fan Speed Control Fig 3 4 The figureis about relative display area the same as below 1 During half half air exchange With each press of FAN button the fan speed will change in the following order Fig 3 MODE Or A SET ENV v OF o 07 RH ETE o RH im OF E 5 SWIT TIMER Low gt Mid High EXCHANGE 23 GREE _ ON OFF Fig 3 2 During air discharge and air supply with each press of FAN button the fan speed with switch between high speed and low peed Fig 4 MODE A SET ENV v m SUZ 5n o RH mt RESET I SWITH EXHAUST HEAT TIMER EXCHANGE Low gt High ON OFF x 2 Fig 4 3 Humidity Adjustment Fig 5 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 596 MODE A wawww sr fs SET ENV v cn 327 RH LELIEZSRH FAN usn A SWITH I HEAT TIMER EXCHANGE GREE E ON OFF Fig 5 Note Lock funct
18. Plate 1 12201138 3 Assy of Left Side Plate 1 01311123 4 Assy of overhauling door 1 01391128 5 Door Holder 1 02208901 6 Base Plate Assy 1 02221124 7 Retaining Plate Assy 2 01841108 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12311101 10 Electric Box Assy 1 01396160 11 Sub assy of Right Side Plate 1 01311125 12 flange Sub assy 4 01491139 13 Foam Assy 1 2 12311103 14 sponge Side of Bottom Plate 1 12201141 15 By pass assy 1 04631124 16 Filter Sub assy 2 1112800101 17 heat exchanger assy 2 00901101 18 Foam Assy 2 1 12311102 19 Motor Sub Assy 2 15401109 20 Cover Plate Assy 1 01261109 21 sponge 1 1220113504 22 Sub assy of Left Side Plate 1 01311116 23 Display board 1 30295007 33 MAINTENANCE Systom Service Manual System Service Manual m FHBQ D15 M EH01100050 No Name Num Code 1 sponge 1 Left Side Plate 2 12201137 2 sponge 2 Left Side Plate 1 12201138 3 Assy of Left Side Plate 1 01311123 4 Assy of overhauling door 1 01391128 5 Door Holder 1 02208901 6 Base Plate Assy 1 02221124 7 Retaining Plate Assy 2 01841108 8 Rubber Sheet 2 76718901 9 Foam Assy 3 1 12311101 10 Electric Box Assy 1 01396160 11 Sub assy of Right Side Plate 1 01311125 12 flange Sub assy 4 01491139 13 Foam Assy 1 2 12311103 14 sponge Side of Bottom Plate 1 12201141 45 By pass assy 1 04631124 16 Filter Sub assy 2 1112800101 17 heat exchanger assy 2 00901101 18 Foam Assy
19. d room air exchange energy 4 1 parts introduce Main parts dismantle and install Name Service door s teardown Fig show Discharge the two bolts on the right of the Service door and then take down the buckle Name Electric Box s teardown Fig show MAINTENANCE 28 Energy Recovery Ventilation System Service Manual Remove the two bolts and then circumgyrate the Electric Box to open it lt Capacitance Name Change the 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 eat Exchange core Name Motor Sub Assy s 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 29 MAINTENANCE Energy Recovery Ventilation E System Service Manual m 5 EXPLODED VIEWS AND PART LIST 1 Model FHBQ D3 5 K FHBQ D5 K FHBQ D8 K FHBQ D10 K FHBQ D15 M FHBQ D20 M Exploded View ee 21 80 19 18 17 16 15 14 13 1 2 3 4 2 6 7 8 9 10 11 Te FHBQ D3 5 K EH01100010 Parts List
20. e omething is wrong with temp sensor or the temperature is overstep the Outdoor temp sensor error F3 Something 1S Wong Will temp 4 range of the temp sensor Air valve and relevant fitting error or wrong connection of centralized LO By pass door and drive structure of the unit loose control wiring of air valve 2 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 No Phenomenon Possible causes Solutions Airflow volume at air outlet i Too much dust gathers on the 1 inlet is obviously E Re fix the collecting place of air vent air filter decreased after a period of time Noise occurs 2 g 5 Installation of air vent is loose Re fix the collecting place of air vent at air vent Repair the power s ly and check power cord No power supply or power pow upp y d 220 according cord is incorrectly connected Repair the power supply and check power cord Terminals of main board ARMAR according to circuit diagram on the unit transformer are loose EVA Re insert and connect transformer terminals The system can Communication fault E6 3 Check the connecting wire between displayer and main not be started Air valve and relative fittings are faulted LO baard nid Check by pass door and drive structur
21. e of the unit and The centralized controller of fix it ir val f mai di t alr vave ol mel OBERE 15 09 Connect CONTROPL port of main board with live line or connected L0 pinboard of air valve There is not air from 1 No power supply or er id P SERP SL ROW 1 Check power and power supply indoor or outdoor cord is incorrectly connected 4 s 2 Check the connecting line between operational box vent after opening the 2 Control wire is not or N and main unit Switch incorrectly connected MAINTENANCE 24 m Energy Recovery Ventilation m System Service Manual 2 FLOW CHART OF TROUBLE SHOOTING Fan stops opperating Wired remote controller display normally Error Code dispalyed Motor connection is normal Y Change the motor or the capacitance Maintain and Poweron Power the unit on Y The Change the transfirmer transformer is normal Refer to the Operarting Y Instruction Manua N Change the main borad can supply Check the power Y N connction of the wires Y Maintain or change the wired temote controller 25 MAINTENANCE Energy Recovery Ventilation System Service Manual m 3 WIRING DIADRAM External wiring figure of the unit If this one is different from wiring figure of junction box take the wiring box of junction box as standard 1 Model FHBQ D3 5 K FHBQ D5 K FHBQ D8 K FHBQ D10 K 2
22. efault is 1hr Note press FAN and V at the same time for 5s only after energy saving timer setting the energy saving function can operate 7 The setting range of Timer Clear is 1250hr 2500hr and 00000 The default is 1250hr SET ENV v V1 o 5 RH 5 u RH FAN RESET FAN SWITH SPEED HEAT TIMER EXCHANGE Fig 8 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 is 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 CONTROL 12 m System Service Manual 9 Fan Mode Display Press FAN and A at the same time for 5s to switch among half half air exchange discharge and supply Refer to Fig 2 for details The fan mode is selected by the users E g plus pressure is needed in 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 Sa
23. ion Pressing and V simultaneously for 5s the place of setting humidity will display EE CONTROL 10 m System Service Manual and all response to the buttons Fig 6 will be shielded And then press and Y simultaneously for 5s to release Lock Function When long distance monitoring or centralized control shield displayed 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 Fig 6 Not having pressed Timer button long press Reset Switch button for 5s to clear operation time and icon After pressing of Timer button Under On status of the unit Short press Reset Switch button to switch among Timer off setting Energy saving startup setting Energy saving stop setting and Clear time setting 07 RH FAN EA FAN lt 27 SPEED W HEAT TIMER EXCHANGE GREE ON OFF Fig 6 5 Running Mode Setting Fig 7 1 Each press of this button the operation mode will change as follow gt pass Heat exchange 1 2 Under Auto mode the letter of Auto will light so the system will operate according to temperature and temperature difference between room and outdoors 3 Under By pass mode the letter of By Pass will light so the fan will operate according to setting Fan mode and fan speed Make
24. ion The side with 2 breaches must be kept downwards 2 2 IE 7 7 AV 21 2 E j 7 AA 1 2 1 117 Z 204 1 2 4 27 Z 9 2 2 242 D Z A 4 I 2 Yj 7 27 27 7722 1 4 Remarks CONTROL 14 B Energy Recovery Ventilation m System Service Manual 1 Wall 2 Underplate of wire controller The appearance of the controller should be subject to entity 3 Screw 4 10 4 Controller panel We must not tear down the panel in these wrong ways as From above When you want to check the panel you need use a screwdriver to tear down it like this 15 CONTROL Energy Recovery Ventilation E System Service Manual m Insert this position with a screwdriver 1 Screwdriver gt Clip button Circumrotate the screwdriver clockwise or anticlockwise the same to the other side Pull the display board to make the clip brea off Display board and Bottom panel are separate absolutely INSTALLATION 46 System Service Manual INSTALLATION 17 INSTALLATION som Service Manual System Service Manual m INSTALLATION 1 DIMENSION DATA
25. kg 45 45 57 57 Gross weight kg 53 53 66 5 66 5 20 GP 63 63 40 40 Loading quantity 40 GP 147 147 85 59 40 HQ 168 168 104 67 Standard wired remote controller 25 15 25 15 Z5N15 Z5N15 PRODUCT Energy Recovery Ventilation System Service Manual Model FHBQ D15 M FHBQ D20 M FHBQ D30 M Code 01100050 01100060 01100070 Air flow Volume H M L m h 1500 2000 3000 External Statics Pressure Pa 150 150 220 Temperature H M L 73 71 70 exchange efficiency Enthalpy exchange Heating H M L 65 62 62 efficiency Enthalpy exchange Cooling H M L 60 58 58 efficiency Recommended Quantity 5 5 5 wiring Area mm 1 5 1 5 1 5 Power Supply 380 415V 3N 50Hz 380 415V 3N 50Hz 380 415V 3N 50Hz Power Input 600 950 2800 Sound Pressure level dB A 48 50 54 Outline Dimension W X D X H mm 1210X1215X452 1210X1215X452 1340X1550X572 Package Dimension WX D X H mm 1550X1540X470 1550X1540X470 1710X1610X700 Net Weight kg 100 100 240 Gross weight kg 115 115 280 20 GP 15 15 9 Loading quantity 40 GP 37 37 24 40 HQ 44 44 24 Standard wired remote controller Z5N15 Z5N15 N A Note 1 The models of 220v power supply type has 3types of fan speed and the models of 380V have one fan speed conditions as below 2 The temperature exchange efficiency and enthalpy exchange efficiency are tested under these testing 1 Cooling efficiency Indoor air 27
26. ling mounted type 3 5 350 5 500 5 Nominal Flow fo 30 3000 m h K single phase 6 The phase of power supply M three phase 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 PRODUCT 2 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 2 Energy recovery Function Internal heat exchanger makes the discharged air and introduced air for cooling and heating exchange Energy recove
27. ountable ports and adjustable parts of duct and fittings can not be installed in the wall or floorslab 3 The 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 should 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 support bracket for that far from wall or pole Strip hanger is 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 is 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
28. ower 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 The earthing wire should be reliably connected with special earthing device and be performs by professionals 7 Air switch and leakage switch which can cut off the general power supply should be installed 8 The air 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 attache d on the unit 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 One phase units 220V Terminal board Aire vavie Reactive Signal In phase Motor Main Board Wire Temp sensor T controller signal ransiormer 21 INSTALLATION Energy Recovery Ventilation m System Service Manual m Three phase Units 380V 3N Terminal board
29. ry rate above 7096 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 Energy Recovery Ventilation System Service Manual Model FHBQ D3 5 K FHBQ D5 K FHBQ D8 K FHBQ D10 K Code 1100010 1100020 01100030 01100040 Air flow Volume H M L m h 360 260 210 500 380 300 800 600 480 1000 750 600 External Statics Pressure H M L Pa 100 80 60 100 80 60 110 85 65 110 85 65 HM L 96 71 73 75 68 70 72 70 72 74 75 77 79 exchange efficiency Enthalpy exchange Heating H M L 65 67 68 62 64 65 63 65 67 66 68 70 efficiency Enthalpy exchange Cooling H M L 61 63 65 57 59 61 60 62 64 62 64 65 efficiency Recommended Quantity 3 3 3 3 wiring Area mm 1 0 1 0 1 0 1 0 Power sal 220 240V 1Ph 220 240V 1Ph 220 240V 1Ph 220 240V 1Ph 50Hz 50Hz 50Hz 50Hz Power Input 165 262 400 440 Sound Pressure level dB A 37 39 45 46 Outline Dimension W X D X H mm 800X879X306 800X879X306 832X1016X380 832X1016X380 Package Dimension WX D X H mm 1050X1165X315 1050X1165X315 1087X1320X400 1087X1320X400 Net Weight
30. ving will be displayed Refer to Fig 2 for details 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 O 17 5 17 7 73 0 50 0 000006 47 0 53 0 Ou Ehe Panel Dimension and Installation Dimension 3 0 6 13 CONTROL Energy Recovery Ventilation E System Service Manual m A A SSSSSSSSSSSSSSSSSSSSSS CN N N N N SSCS TT i 910 Bottom Panel Dimension and Installation Dimension 3 4 Installation 1 Locate the installation position firstly 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 PVC 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 direct
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