Gree FHBQ-D3.5-K Service Manual
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Gree FHBQ-D3.5-K Service Manual

Energy-recovery ventilation system
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Energ
Energy-Recovery Ventilation System
Service Manual
Ve
Ve e n
e
en
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en
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( GC201110-I )

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Summary of Contents for Gree FHBQ-D3.5-K

  • Page 1 Energy-Recovery Ventilation System Energ Ve e n Service Manual ( GC201110-I )

  • Page 2: Table Of Contents

    Energy-Recovery Ventilation System Service Manual Contents PRODUCT ....................2 1 MODELS LIST ....................2 2 NOMENCLATURE....................2 3 FEATURES......................2 4 PRODUCT DATA....................3 5 PIPING DIAGRAM....................5 CONTROL....................7 1 OPERATION FLOWCHART................7 2 MAIN LOGIC .......................8 3 WIRED REMOTE CONTROLLER...............9 INSTALLATION..................18 1 DIMENSION DATA ...................18 2 INSTALLATION SITE ..................19 3 UNIT INSTALL....................19 4 CAUTIONS FOR INSTALLATION ..............20...
  • Page 3 Energy-Recovery Ventilation System Service Manual PRODUCT...

  • Page 4: Product

    Energy-Recovery Ventilation System Service Manual PRODUCT 1 MODELS LIST 1.1 Outdoor Unit External Static Power Model Code Air Flow(m Appearance Pressure (Pa) Supply FHBQ-D3.5-K EH01100010 FHBQ-D5-K EH01100020 220V 50Hz~ FHBQ-D8-K EH01100030 1000 FHBQ-D10-K EH01100040 380V3N~ FHBQ-D15-M EH01100050 1500 50Hz 380V3N~...

  • Page 5: Product Data

    Special low-noise ventilation fan is set. 4. Air Filtration and Purge Function There are various series to match with the buildings of various structures. 4 PRODUCT DATA 4.1 Product Data at Rated Condition Model FHBQ-D3.5-K FHBQ-D5-K FHBQ-D8-K FHBQ-D10-K Code EH01100010...
  • Page 6 Energy-Recovery Ventilation System Service Manual Model FHBQ-D15-M FHBQ-D20-M FHBQ-D30-M Code EH01100050 EH01100060 EH01100070 H-M-L 1500 2000 3000 External Statics Pressure H-M-L Temperature H-M-L Enthalpy exchange Heating H-M-L Enthalpy exchange Cooling H-M-L Quantity Recommended wiring Area Power Supply 380~415V 3N~50Hz 380~415V 3N~50Hz 380~415V 3N~50Hz Power Input 2800...

  • Page 7: Piping Diagram

    Energy-Recovery Ventilation System Service Manual 4.2 Electrical Data Power Max. Fuse Min. Supply Motor Breaker Size Disconnect Size Model V,Ph,Hz FLA Each Amperes Amperes FHBQ-D3.5-K 0.76A×2 2.47A 1.71A FHBQ-D5-K 0.76A×2 2.47A 1.71A 220V~50Hz FHBQ-D8-K 1.0A×2 3.25A 2.25A 1.0A×2 3.25A 2.25A FHBQ-D10-K 1.4A×2...
  • Page 8 Energy-Recovery Ventilation System Service Manual CONTROL...

  • Page 9: Control

    Energy-Recovery Ventilation System Service Manual CONTROL 1 OPERATION FLOWCHART Bengin Initialize L0 Error Air valve checked OK Air valve interface with electricity? Energy-saving on Energy-saving function on Timer on Timer function on Cleaning Remind until the time setting come Stop or move according to the opposite Humidifying function on? humidity, Humidity sensor error display L 1 Judge running...

  • Page 10: Main Logic

    Energy-Recovery Ventilation System Service Manual 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. By Pass air valve opens, the air discharge fan and air supply fan will operate according to setting fan speed.

  • Page 11: Wired Remote Controller

    Energy-Recovery Ventilation System Service Manual 3 WIRED REMOTE CONTROLLER 3.1 Operation View Fig.1 Front panel of wired controller Constitution of wired controller Timer display Energy-saving status display Mode button Setting humidity display Setting humidity increase button Ambient humidity display Setting humidity decrease button Air exchange mode (half-half air Fan speed button exchange ,discharge and supply)
  • Page 12 Energy-Recovery Ventilation System Service Manual 1. During half-half air exchange, With each press of FAN button, the fan speed will change in the following order(Fig.3): 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).
  • Page 13 Energy-Recovery Ventilation System Service Manual 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.
  • Page 14 Energy-Recovery Ventilation System Service Manual 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.
  • Page 15 Energy-Recovery Ventilation System Service Manual 9) Fan Mode Display 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.
  • Page 16 Energy-Recovery Ventilation System Service Manual 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.
  • Page 17 Energy-Recovery Ventilation System Service Manual Wall The appearance of the controller Underplate of wire controller should be subject to entity. Screw M4X10 Controller panel We must not tear down the panel in these wrong ways as: From From above below From From right...
  • Page 18 Energy-Recovery Ventilation System Service Manual Insert this position with a screwdriver Screwdriver Clip button Circumrotate the screwdriver clockwise or anticlockwise, the same to the other side. Pull the display boar to make the clip break off. Display board and Bottom panel are separate absolutely.
  • Page 19 Energy-Recovery Ventilation System Service Manual INSTALLATION...

  • Page 20: Installation

    Energy-Recovery Ventilation System Service Manual INSTALLATION 1 DIMENSION DATA Fresh air intlet Fresh air outlet Room air outlet Room air inlet Uint: mm Model FHBQ-D3.5-K FHBQ-D5-K FHBQ-D8-K 1016 FHBQ-D10-K 1016 FHBQ-D15-M 1215 1159 1210 1262 FHBQ-D20-M 1215 1159 1210 1262...

  • Page 21: Installation Site

    Energy-Recovery Ventilation 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.

  • Page 22: Cautions For Installation

    Energy-Recovery Ventilation System Service Manual inner steer bar 16hanger air return ceiling diffused set window room air inletf resh air outle t outdoor indoor air duct muffler room air outle t fresh air inle t air duct muffler examine and repair inle t 4 CAUTIONS FOR INSTALLATION 2.

  • Page 23: Electric Wiring Work

    Energy-Recovery Ventilation 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.
  • Page 24 Wire controller Capacity of air Min.sectional area of Min. sectional area of Applied models Power supply switch (A) earthing wire (mm power cord (mm FHBQ-D3.5-K 220V~,50Hz FHBQ-D5-K 220V~,50Hz FHBQ-D8-K 220V~,50Hz FHBQ-D10-K 220V~,50Hz FHBQ-D15-M 380V 3N~,50Hz FHBQ-D20-M 380V 3N~,50Hz...
  • Page 25 Energy-Recovery Ventilation System Service Manual MAINTENANCE...

  • Page 26: 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. in trouble. Something is wrong with temp sensor or the temperature is overstep the Indoor temp sensor error.

  • Page 27: Flow Chart Of Trouble Shooting

    Energy-Recovery Ventilation System Service Manual 2 FLOW CHART OF TROUBLE SHOOTING Fan stops opperating Maintain and Wired remote controller Power on ? Power the unit on display normally? Change the transfirmer transformer is normal ? Error Code Refer to the dispalyed? Operarting Instruction...

  • Page 28: Wiring Diadram

    Energy-Recovery Ventilation System Service Manual 3 WIRING DIADRAM of junction box as standard) . 1) Model:FHBQ-D3.5-K;FHBQ-D5-K;FHBQ-D8-K;FHBQ-D10-K. POWER Wired controller Remote Humidifier Control AC Contactor Coil Note: 1.When need humidifier,connect "1" and "2" terminal (220V 1A) to the contactor coil of the humidifier.Meanwhile,connect the humidification sensor to HUMIDITY terminal on the main board.
  • Page 29 Energy-Recovery Ventilation System Service Manual 3) FHBQ-D30-M. Exhaust POWER Blower Motor Exchange Motor Controlling switch (back side) Note: 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.

  • Page 30: Disassembly And Assembly Procedure Of Main Parts

    Energy-Recovery Ventilation System Service Manual 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Picture Name Function Acentric Motor Sub-Assy. The important Sub-Assy that make the Heat Exchange core. fresh air and room air exchange energy. 4.1 Main parts introduce Main parts dismantle and install Fig.
  • Page 31 Energy-Recovery Ventilation System Service Manual Capacitance Remove the two bolts and then circumgyrate the Electric Box to open it. Bolt Name:Change the heat Fig. show After removing the service door, we could Heat Exchange core The core should be washed by cleaner or other special dust catcher Filter Fig.

  • Page 32: Exploded Views And Part List

    Energy-Recovery Ventilation System Service Manual 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 FHBQ-D3.5-K( EH01100010)Parts List Name Num. Code sponge 1( Left Side Plate) 12208928 sponge 2( Left Side Plate) 12208916 Assy 2 of Left Side Plate...
  • Page 33 Energy-Recovery Ventilation System Service Manual FHBQ-D5-K (EH01100020) Name Num. Code sponge 1( Left Side Plate) 12208928 sponge 2( Left Side Plate) 12208916 Assy 2 of Left Side Plate 01318902 Assy of overhauling door 01398902 Door Holder 02208901 Base Plate Assy 01288901 Retaining Plate Assy 01848903...
  • Page 34 Energy-Recovery Ventilation System Service Manual FHBQ-D8-K(EH01100030) Name Num. Code sponge 1( Left Side Plate) 12201137 sponge 2( Left Side Plate) 12201138 Assy of Left Side Plate 01311123 Assy of overhauling door 01391128 Door Holder 02208901 Base Plate Assy 02221124 Retaining Plate Assy 01841108 Rubber Sheet 76718901...
  • Page 35 Energy-Recovery Ventilation System Service Manual FHBQ-D10-K(EH01100040) Name Num. Code sponge 1( Left Side Plate) 12201137 sponge 2( Left Side Plate) 12201138 Assy of Left Side Plate 01311123 Assy of overhauling door 01391128 Door Holder 02208901 Base Plate Assy 02221124 Retaining Plate Assy 01841108 Rubber Sheet 76718901...
  • Page 36 Energy-Recovery Ventilation System Service Manual FHBQ-D15-M(EH01100050) Name Num. Code sponge 1( Left Side Plate) 12201137 sponge 2( Left Side Plate) 12201138 Assy of Left Side Plate 01311123 Assy of overhauling door 01391128 Door Holder 02208901 Base Plate Assy 02221124 Retaining Plate Assy 01841108 Rubber Sheet 76718901...
  • Page 37 Energy-Recovery Ventilation System Service Manual FHBQ-D20-M(EH01100060) Name Num. Code sponge 1( Left Side Plate) 12201137 sponge 2( Left Side Plate) 12201138 Assy of Left Side Plate 01311123 Assy of overhauling door 01391128 Door Holder 02208901 Base Plate Assy 02221124 Retaining Plate Assy 01841108 Rubber Sheet 76718901...
  • Page 38 Energy-Recovery Ventilation System Service Manual Model:FHBQ-D30-M Exploded View...
  • Page 39 Energy-Recovery Ventilation System Service Manual FHBQ-D30-M(EH01100070) Parts List Name Num. Code Front side plate assy 1 01398904 Assy of overhauling door 01318912 Electric Box Assy 01396168 Filter Sub-ass 11128001 Front side plate assy 2 01316080 Hanger crossbeam 01871226 Bottom plate assy 02228904 Rubber gasket 76018401...

This manual is also suitable for:

Fhbq-d8-kFhbq-d5-kFhbq-d10-kFhbq-d15-mFhbq-d20-mFhbq-d30-m

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