Gree GRS-2.4/D270ANbA-K Installation And Service Manual Download

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Installation and service manual

Models:

GRS-2.4/D270ANbA-K



Thank you for choosing Air Source Heat Pump Water Heater

, please read this owner’s manual carefully

before operation and retain it for future reference. If you h

ave lost the Owner’s Manual, please contact

the local agent or visit www.gree.com or send email to [email protected] or electronic version.



GREE reserves the right to interpret this manual which will be subject to any change due to product

improvement without further notice.



GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.

Air Source Heat Pump Water
Heater

Summary of Contents for GRS-2.4/D270ANbA-K

Page 1: ...ce If you have lost the Owner s Manual please contact the local agent or visit www gree com or send email to global gree com cn or electronic version GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice GREE Electric Appliances Inc of Zhuhai reserves the final right to interpret this manual Air Source Heat Pump Water...

Page 2: ...ich is subject to change without prior notice The air source water heater is a kind of heat storage type water heater When you are using the water please turn on the cold water valve at first adjust the flow volume of cold water and hot water and then adjust the water to the proper water temperature to prevent scalding If you don t use this water heater for a short time in winter please keep this ...

Page 3: ... 7 Installation Instruction of Wired Controller 14 3 8 Wired Controller Installation 17 4 Electric wire connection 20 4 1 Collocation of electric wire 20 4 2 Electric wiring connection 22 5 Debugging for the complete unit 23 6 Method for adding or discharging refrigerant 24 6 1 Add refrigerant 24 6 2 Discharge refrigerant 24 7 Unit specification 25 7 1 Hot water generation capacity 25 7 2 Operatio...

Page 4: ...used indicates the prohibited operations indicates instructions that must be followed indicates instructions to which special attentions must be paid Notice The special attentions must be paid Caution Risk of material damage Warning Risk of dangerous situation causing slight physical injury ...

Page 5: ... Dedicated lines must be used for the power supply to prevent a fire Do not use multipurpose sockets or mobile wiring boards to connect wires Otherwise overheating or even a fire may be caused Pull out the power plug and drain the main unit and water tank when water heater is not in use for a long time to prevent cracking caused by cold weather Do not damage wires or use undesignated wires Otherwi...

Page 6: ...on it Otherwise the main unit or water tank may be deformed or damaged or even hazards may be posed when a person or object falls off To save energy more efficiently install the main unit at a well ventilated place Do not block the air inlet or outlet of the main unit Otherwise energy efficiency may be reduced and shutdown or even a fire may be caused Keep chemical sprays gas tanks at least 1 mete...

Page 7: ...ter When the filter is installed vertically the direction indicated by the arrow must not be upward and the end cap must be placed slantwise downwards This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environment or human health from uncontrolled waste disposal recycle it possibly to promote the sustainable...

Page 8: ...for the heat pump water heater high temperature and high pressure resistant The water tank adopts the advanced stainless steel inner port equipping with the anticorrosive design for the super long magnesium The complete unit is with multiple kinds of protection Eco friendly and safe Adopt eco friendly R134a refrigerant no pollution to air and no risk of carbon monoxide poisoning for ensuring safet...

Page 9: ...he highest heating temperature for the heat pump can be up to 70 which can satisfy the requirement for different places and users All weather operation This unit can provide hot water all the year round 2 2 Main parts 2 2 1 Appearance Because of the product improvement the actual product may be different from the skect map Please refer to the actual product Fig 2 1 Sketch map for the appearance ...

Page 10: ...9 Magnesium rod 10 Water temperature controller 11 electric heating component 12 Water temperature sensor 13 Cold water inlet 14 Drain outlet 15 Microchannel heat exchanger 16 Hot water outlet 17 TP valve meatus 18 Condensate drain outlet 19 Fan 20 Fan groupware 21 evaporator 22 Electronic expansion valve 23 Four way valve 24 High pressure switch 25 exhaust temperature sensor Fig 2 2 Sketch map fo...

Page 11: ...energy air in the surrounding environment transmit it to the heat exchanger of water tank and then release it to the water inside the water tank for heating water The heating principle for air source water heater and heat pump air conditioner is the same Heat pump air conditioner supplies the absorbed heat from natural environment to indoor air while air source will use that heat to heat domestic ...

Page 12: ...4 Maximum Input Power W 1300 1500W Electric Heater Outlet Water Temperature C Default 55 C 35 C 70 C Power Supply 220V 240V 50Hz Insulation Level Ⅰ Protection of Ingression ⅠPX4 Refrigerant Name R134a Charge kg 1 10 Outline Dimensions W x D x H mm 660 667 1958 Package Dimensions W x D x H mm 813 813 2100 Gross Net Weight kg See the nameplate Sound Power Level 3 dB A 62 Operating Range C 7 45 Notes...

Page 13: ... maintenance center If the air source water heater is installed by unappointed unit Gree won t take the responsibilities for the malfunction and other problems due to the installation 3 If the users use the own prepared installation materials to install the air source water heater Gree won t take any responsibilities for all the loss due to leakage of pipeline drop of unit and poor installation 4 ...

Page 14: ...ureted gas sulfur spring 6 Special places 3 3 Selection for installation positions 1 The noise and discharge air won t disturb neighbours animals or plants 2 Make sure the good ventilation for the water heater air inlet and air outlet of water heater can t be blocked 3 The installation position should bear the weight and vibration for the water heater 4 Select the dry place The unit can t be expos...

Page 15: ...ketch map for main size 3 4 2 Installation requirement 1 Do not point the air outlet of water heater at the upwind direction 2 The water heater should be installed at the places where the ambient temperature is above 0 The distance between hot water outlet and the hot water using position can t be too long Conduct heat treatment protection for the hot water pipeline to reduce heat loss ...

Page 16: ...er heater S2 5 series PPR pipe with the external diameter of dn20 are suggested If adopt other similar insulated pipe materials you can select it by referring to above external diameter and the pipe thickness Aluminium pipe are not suggested to be adopted 2 Installation of water inlet pipe and water outlet pipe of water tank The water inlet pipe must be installed with safe device strainer and cut ...

Page 17: ...an t drained completely A cut off valve must be installed at the drainage pipeline and the cut off valve must be installed at the position where is convenient for the operation 3 6 Installation sketch map 3 7 Installation Instruction of Wired Controller 1 Fig A is the standard installation way of wired controller The wired controller ...

Page 18: ...screws on the front outer case subassembly Remove the front outer case subassembly Remove the 3 fixing screws of the gland of wired controller Remove the gland and wired controller please keep the gland of wired controller properly for future use Please change the original short communication cable with long communication wire which is led out from the cable crossing hole of unit Install decoratio...

Page 19: ...Air Source Heat Pump Water Heater 16 Fig 3 2 Sketch map for Installation Instruction of Wired Controller ...

Page 20: ...t install the unit or wired controller of the air source water heater in a place susceptible to electromagnetic interference 3 Ensure that the communication line is connected to the correct interface Otherwise communication will be failure 3 8 2 Wired Controller Installation No 1 2 3 4 Name Front panel of wired controller Screw Soleplate of controller Socket s base box installed in the wall Fig 3 ...

Page 21: ...red controller Pull out the communication cable 4 core twisted pair wire in the base box and then make the communication cable go through the hole of soleplate of wired controller Joint the controller s soleplate and base box with screws M4 25 Insert the communication cable 4 core twisted pair wire into controller s slot Buckle the front panel and soleplate of controller together Caution During th...

Page 22: ...s follows Separate the panel of wired control and bottom plate with a flat screwdriver Pull out the communication wire 4 core twisted pair wire inside the installation box and make this wire go through the wire crossing hole of rainproof box and wired controller bottom plate Secure the bottom plate of wired controller rubber cushion rainproof box at the installation box with screws if there is no ...

Page 23: ...f Wired Controller Fig 3 6 Disassembly Diagram of Rainproof Box of Wired Controller 4 Electric wire connection 4 1 Collocation of electric wire 1 Air source water heater is the type Ⅰ home appliances Wires must be connected according to wiring regulation by professional person 2 A switch which is used for ensuring all poles of power are OFF must be installed at the fixing circuit and it should be ...

Page 24: ...r and comply with related standard requirement The leakage switch is suggested to be installed Do not install the leakage switch at outdoors bathroom kitchen balcony and other moist places 7 Do not use the convertor of socket the prolong wire of cable and wiring board to adapt the power cord of water heater do not refit other power cord to adapt the household power Do not share the power cord with...

Page 25: ...nnect one end of earth wire to earthing screw of water tank and the other end to the earthing screw of the wiring box for the right side plate of main unit 3 Please select the proper power cord according to the power configuration table and then connect it to the main power 4 Fix the heavy current wire with wire fixing clamp and reinstall the wiring box cover ...

Page 26: ...re may be malfunction for the unit or parts may be burned out Check whether the water inlet pipeline is installed with safety device The operation pressure for the water tank is high and there s the risk of safety Check whether the water replenishing pressure for tap water is too high The operation pressure for the water tank is too high If the unit is generating water successively there will be a...

Page 27: ...perates normally there s no obvious vibration and abnormal sound let users operate by themselves after the unit has operated normally for at least 20 min 6 Method for adding or discharging refrigerant 6 1 Add refrigerant Connect the middle hose from refrigerant manometer to the refrigerant tank connect one end of blue hose of low pressure manometer to the refrigerant affusing nozzle of gas valve d...

Page 28: ...W accessorial electric heating will be also started up Compared with heating only with heat pump water generation capacity will be increased 32L h after starting up the accessorial electric heating 7 2 Operation specification 1 Defrosting If there s defrosting phenomenon during hot water generation process the unit will defrost automatically in order to improve the heating effect During defrosting...

Page 29: ...on will be stopped The wired controller is with power off memory function If wrong action is resulted in by thunderbolt wireless of the car please cut off the power by hand Energize the unit and turn on the unit again 4 Memory function Once power failure occurs for the water heater or the wired controller the wired controller will memorize the status of the unit automatically After energizing agai...

Page 30: ...ne and it should be at the energized status If the water tank must be installed at outside the pipe at the outdoor side should be as short as possible including the connection pipe of refrigerant and the water inlet pipe and water outlet pipe for the water tank otherwise the heat will be lost too much What s more too much will be lost and the water system will be frozen Meanwhile the connection po...

Page 31: ... water using point Open the cut off valve at the drain outlet When the water inside the water tank is drained out please close the cut off valve at the drain outlet 9 2 Periodical clean for the water tank In order to ensure the hot water quality please clean the water tank periodically by below procedures 1 Cut off the power 2 Close off the cut off valve on the inlet pipe of water tank 3 Open the ...

Page 32: ...ide the water tank completely before disassembly 2 Open the protection cover at the installation outlet of the magnesium rod of water tank 3 Twist off the magnesium rod with inner hexagon and then take it out carefully to prevent sullage of magnesium rod dropping into the inner pot of water tank 4 Install the new magnesium rod and then fix it with inner hexagon wrench 5 Close the protection cover ...

Page 33: ...ower supply prior to any maintenance or services A non professional personnel is not allowed to adjust or service the heat pump water heater 5 Improper operation might cause scald due to hot water Water heating without enough water might produce high temperature steam or hot water which might cause serious scald Hence guarantee the water tank is filled with water 6 The water heater is equipped wit...

Page 34: ...rate if turn on the unit immediately after stopping operation In order to protect the unit if turn on the unit immediately after stopping operation the microcomputer will make the unit delay 5 min to operate There s water flowing sound during operation process During the operation process there will be the sound of HUA HUA which is the flowing sound of refrigerant It s not the malfunction The cond...

Page 35: ... process there s frosting phenomenon for the unit If the unit is generating water for a long time there will be frosting phenomenon which is the normal phenomenon In order to improve the heating effect the unit will defrost automatically During defrosting process the unit will blow fan and the motor stops operation The fan won t be started up during defrosting process which is the normal phenomeno...

Page 36: ...the wired controller displays Fd Malfunction of suction temperature sensor The water heater stops operation and the wired controller displays FE Malfunction of upper temperature sensor of water tank The water heater stops operation and the wired controller displays FL Malfunction of lower temperature sensor of water tank The water heater stops operation and the wired controller displays L6 Unit s ...

Page 37: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com ...

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