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Summary of Contents for Cooper & Hunter GRS-C3.5/A1-K
- Page 1 HEAT PUMP WATER HEATER Service manual...
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Page 2: Table Of Contents
CONTENTS PRODUCT...................... 2 1 MODELS LIST ......................2 1.1 Main Unit ............................2 1.2 Water Tank ............................2 2 NOMENCLATURE ...................... 3 2.1 Main Unit ............................3 2.2 Water Tank ............................3 3 FUNCTION........................4 4 PRODUCT DATA ......................4 4.1 Product Data at Rated Condition......................4 4.2 Operation Range ..........................6 4.3 Operation Performance ........................6 5 PIPING DIAGRAM ...................... - Page 3 Heat Pump Water Heater Service Manual PRODUCT...
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Page 4: Product
Heat Pump Water Heater Service Manual PRODUCT 1 MODELS LIST 1.1 Main Unit Nominal Model Product Code Refrigerant Appearance Capacity (kW) GRS-C3.5/A1-K ER02000052 GRS-C5.0/A1-K ER02000061 GRS-C7.2/A1-K GRS-C3.8/NbA-K ER02000043 R134a GRS-C5.0/NbA-K ER02000111 1.2 Water Tank Model Name Product Code Model volume (L) -
Page 5: Nomenclature
Heat Pump Water Heater Service Manual 2 NOMENCLATURE 2.1 Main Unit Description Options C &H Heat Pump Water Heater Heating style S = Static, C = Circulating Heating Capacity 3.5kW Refrigerant Nb = R134a, Default = R22 Design Serial Number 220-240V- 2.2 Water Tank Description... -
Page 6: Function
Reliable and durable Easy installation Easy operation cost. Intelligent defrosting All-day use 4 PRODUCT DATA 4.1 Product Data at Rated Condition 4.1.1 Main Unit Models GRS-C3.5/A1-K GRS-C5.0/A1-K GRS-C7.2/A1-K Nominal Capacity Heating 11942 17060 24566 Heating 1.15 1.75... - Page 7 Heat Pump Water Heater Service Manual Models GRS-C3.8/NbA-K GRS-C5.0/NbA-K Nominal Capacity Heating 12966 17060 Heating 1.02 1.35 Safeties Type R134a Refrigerant 0.95 Type Rotary Compressor Tube-in-tube Condenser Water In/Out Pipe Diameter Fan Motor 750/800 750/800 Unit / Packing 762/878 762/878 Dimension 256/360 256/360...
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Page 8: Operation Range
1970×630×625 1645×710×705 Dimension of connecting pipe DN20 DN20 DN20 DN20 Connecting dimension of DN15 DN15 DN15 DN15 Notes: DB/15 4.2 Operation Range Model Range of Outdoor Temperature Heating -7~45 4.3 Operation Performance GRS-C3.5/A1-K Water Yield Capacity Correction Outdoor temperature( ) - Page 9 Heat Pump Water Heater Service Manual GRS-C5.0/A1-K Water Yield Capacity Correction Outdoor temperature( ) GRS-C7.2/A1-K Water Yield Capacity Correction Outdoor temperature( ) GRS-C3.8/NbA-K Water Yield Capacity Correction Outdoor temperature( )
- Page 10 Heat Pump Water Heater Service Manual GRS-C5.0/NbA-K Water Yield Capacity Correction Outdoor temperature( )
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Page 11: Piping Diagram
Heat Pump Water Heater Service Manual 5 PIPING DIAGRAM Electronic Name compressor Capillary Filter Sign Heat Heat Heat Temperature Pressure Gas Liquid Name Separator Sensor Centrifugal Sign compressor liquid-gas separator... - Page 12 Heat Pump Water Heater Service Manual CONTROL...
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Page 13: Control
Heat Pump Water Heater Service Manual CONTROL 1 OPERATION FLOWCHART Display failure code Timer on Water temperature Unit stops Pump startup Fan startup Compressor Unit keeps on running Unit stops... -
Page 14: Main Logic
Heat Pump Water Heater Service Manual 2 MAIN LOGIC 2.1 Heating Mode 2.2 Defrosting Mode 8min),... -
Page 15: Wired Remote Controller
Heat Pump Water Heater Service Manual 3 WIRED REMOTE CONTROLLER 3.1 Dimension 3.2 Function Functions and Wired Controller Function description Function description Prior button Timer button Rapid button Increase button for temp and clock Decrease button for temp and clock Mode button On/off button... - Page 16 Heat Pump Water Heater Service Manual Function description Display of system time, timer, preset timer and running parameters Display of lock Display of defrosting Instruction to Functions and Operation of Wired Controller Notice: If there is not any button operation for 15s, the wired controller will be half light. In that case, the wired controller can be normally operated only by pressing any button to make it light.
- Page 17 Heat Pump Water Heater Service Manual :00 to 06: Nightwork mode: 3). Temperature Setting increase or decrease by 1 per 0.5 second. 4). Timer Setting Timer On/Off Setting to complete timer setting. 0.5 second. Preset Time Setting...
- Page 18 Heat Pump Water Heater Service Manual 0.5 second. System Time Setting 5). Special Functions Lock Function...
- Page 19 Heat Pump Water Heater Service Manual Cleaning Function Parameters Check 6). Malfunction Display outdoor unit is off.
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Page 20: Installation
Heat Pump Water Heater Service Manual 3.3 Installation Installation Location of Wired Controller Installation of Wired Controller and Project Debugging Front panel Description Soleplate of controller of controller Pay attention to the following items during installation of wired controller: Caution:... - Page 21 Heat Pump Water Heater Service Manual INSTALLATION...
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Page 22: Installation
Heat Pump Water Heater Service Manual INSTALLATION 1 UNITS INSTALL 1.1 Installation Positions 1.2 Matters need Attention claims agent. 1.3 Dimension Data Model GRS-C3.5/A1-K GRS-C5.0/A1-K GRS-C7.2/A1-K GRS-C3.8/NbA-K GRS-C5.0/NbA-K... -
Page 23: Installation Clearance Data
Heat Pump Water Heater Service Manual SX150LC/B1-K 520 1350 1123 temperature sensor 1 SX200LC/B1-K 1595 1200 1358 SX250LC/B1-K 1945 1500 1700 SX300LC/B1-K 1620 1150 1366 SX350LC/B1-K 1895 1400 1671 SX400LC/B1-K 2125 1600 1877 temperature sensor 2 SXD150LC-K 520 1350 1123 278 1595 1200 1358... - Page 24 Heat Pump Water Heater Service Manual 1.4.2 Installation of Insulated Water Tank Water tank bolts...
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Page 25: Electric Wiring Work
Heat Pump Water Heater Service Manual 2 ELECTRIC WIRING WORK 2.1 Wiring Principle regulations and engineering requirements. 2.2 Electric Wiring Design... - Page 26 Heat Pump Water Heater Service Manual Insulated Water Tank Main Unit Hot Water Outlet Water Inlet Water Outlet Sensor 1 Temp Sensor Circulation Water Outlet Filter Circulation Water Inlet Cool Water Sensor 2 Inlet Insulated Water Tank Main Unit Hot Water Outlet Water Inlet Water Outlet Sensor 1...
- Page 27 Heat Pump Water Heater Service Manual Layout of Wires conditioner. Capacity of air Model GRS-C3.5/A1-K 220-240V GRS-C5.0/A1-K 220-240V GRS-C7.2/A1-K 220-240V GRS-C3.8/NbA-K 220-240V GRS-C5.0/NbA-K 220-240V Notice: laid at ambient temperature of 40 Electric Wiring and Connection and main unit.
- Page 28 Heat Pump Water Heater Service Manual Wired controller Master unit Watertemp Main board sensor 1 Watertemp sensor 2 Water tank Wired controller Main unit Water temp sensor 1 Main board Water temp sensor 2 Water tank Electric...
- Page 29 Heat Pump Water Heater Service Manual MAINTENANCE...
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Page 30: Maintenance
Heat Pump Water Heater Service Manual MAINTENANCE 1 ERROR CODE LIST Code Indication Error Name Source of Error Signal Control Description Press ON/OFF key to clear it Press ON/OFF key to clear it Press ON/OFF key to clear it Wired controller and main board Communication failure Automatically resume communication malfunction... -
Page 31: Flow Chart Of Troubleshooting
Heat Pump Water Heater Service Manual 2 FLOW CHART OF TROUBLESHOOTING :(E1) Connect pressure Wrong connection or mainboard interface. damaged? Is protection resumed? circuit. Mainboard failure. Rplace pressure Replace mainboard meet Wrong parts. set and clear filters. summer and autumn, normal？... - Page 32 Heat Pump Water Heater Service Manual -pressure protection Mainboard interface Wrong connection or . Does interference. Correct damaged? protection remain? mainboard pressure failure.C mainboard Is refrigerant leaked? Is electronic Replace coil of normal? Is temperature and Filter is blocked . pressure of filter Replace it.
- Page 33 Heat Pump Water Heater Service Manual Is resistance of temperature sensor temperature beyond temp sensor correct? 120℃? Mainboard failure. Replace coil of normal? System is blocked. Does filter temperature Replace related parts. Pipe leak. Repair it and Water-pressure protection mainboard interface. beyond 1.5 bar? Does error remain? Mainboard failure.
- Page 34 Heat Pump Water Heater Service Manual Communication failure Is communication line connected connection. Replace Is communication communication line. line closed circuit? Replace display panel normal. panel. Mainboard failure, temp sensor failure Is temperature sensor connected normal range? Mainboard failure.
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Page 35: Wiring Diadram
Heat Pump Water Heater Service Manual 3 WIRING DIADRAM... - Page 36 Heat Pump Water Heater Service Manual Specification: The wires in the imaginal diagram are connected by consumer .
- Page 37 Heat Pump Water Heater Service Manual...
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Page 38: Disassembly And Assembly Procedure Of Main Parts
Heat Pump Water Heater Service Manual 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and Assembly of Compressor Step Illustration Handling Instruction cord of compressor compressor Solder off suction o f 0 . 5 ± 0 . 1 k g f / c m pressure). - Page 39 Heat Pump Water Heater Service Manual corresponding position. compressor. Weld suction and connected. o f 0 . 5 ± 0 . 1 k g f / c m pressure). during soldering. of compressor spot. of compresso inlet. inlet...
- Page 40 Heat Pump Water Heater Service Manual inlet. freon inlet. Step Illustration Handling Instruction in case of burnt gliding block and o f 0 . 5 ± 0 . 1 k g f / c m pressure). during soldering.
- Page 41 Heat Pump Water Heater Service Manual Connect connecting pipe in case of burnt gliding block and o f 0 . 5 ± 0 . 1 k g f / c m pressure). during soldering. Mount electric magnetic spot. 5. Install electric magnetic Step Illustration Handling Instruction...
- Page 42 Heat Pump Water Heater Service Manual parts. Weld connecting pipe o f 0 . 5 ± 0 . 1 k g f / c m pressure). spot. Step Illustration Handling Instruction pipes and parts. o f 0 . 5 ± 0 . 1 k g f / c m pressure).
- Page 43 Heat Pump Water Heater Service Manual in case of burnt gliding block and Weld connecting pipe o f 0 . 5 ± 0 . 1 k g f / c m pressure). spot. Mount coil of connected. Disassembly and Assembly of Water Pump Step Illustration Handling Instruction...
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Page 44: Exploded Views
Heat Pump Water Heater Service Manual it is sealed. pump. pump. 5 EXPLODED VIEWS GRS-C3.5/A1-K, GRS-C5.0/A1-K Name of part Part code Quantity panel grill 22413431 015330124 panel 01533012 10333004 fan motor 150130674 01703102 motor support 0170310201 01352803P... - Page 45 Terminal Board 42010265 installation baord of electric parts 01322815 01392840 02222804 strainer 07212403 isolation 012334191 4602001001 43000402 43000403 00202803 00202801 freon inlet(R22) 06120011 solenoid coil 430004002 0119280301P 01192804P 02222806 only is part of GRS-C3.5/A1-K Model. only is part of GRS-C5.0/A1-K Model.
- Page 46 Heat Pump Water Heater Service Manual GRS-C7.2/A1-K Name of part Part code Quantity panel grill 22415001 panel 01305015 10335257 fan motor 15702800 motor support 01705003 01352801P pump 43130322 support rack Sub-Assy 01892810P condenser 01152240 connect Board 01342800 01255001 installation board of electric parts 01322805 mainboard 30222030...
- Page 47 Heat Pump Water Heater Service Manual condenser Sub-Assy 01133464 isolation Sub-Assy 01233038 01422806 Terminal Board 42010265 compressor Sub-Assy 00101156 43000403 4602001001 01305013 freon inlet(R22) 06120011 Handle 26235254 solenoid coil 4300040022 solenoid coil 43000109 07130336 strainer 07211601 strainer 07212001 01422807 capacitor clamp 01892815 01192802P GRS-C3.8/NbA-K, GRS-C5.0/NbA-K...
- Page 48 Heat Pump Water Heater Service Manual Name of part Part code Quantity panel grill 22413431 panel 01533012 10333004 150130674 fan motor 150130671 motor support 0170310201 01352803P 02222803 01139406 condenser 01152805 support rack 01892819 support rack 01892816 011330632 condenser Sub-Assy 01152806 01262825 01253001 mainboard...
- Page 49 Heat Pump Water Heater Service Manual 4602001519 43000403 00202805 compressor Sub-Assy 00202806 freon inlet(R22) 06120012 solenoid coil 430004002 01192809P 02222806 only is part of GRS-C3.8/NbA-K Model. only is part of GRS-C5.0/NbA-K Model. Water tank...
- Page 50 Heat Pump Water Heater Service Manual...
- Page 51 Designed by Cooper&Hunter International Corporation, Oregon, USA www.cooperandhunter.com E-mail: info@cooperandhunter.com...
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