Please read this Owner’s Manual carefully before operation and retain it for future reference. If you have lost the Owner's Manual, please contact the local agent or visit www.gree.com or send an email to global@cn.gree.com for the electronic version. NOTE:...
Explanation of Symbols WARNING This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to CAUTION property. Indicates important but not hazard-related information, used NOTICE to indicate risk of property damage. Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons.
Page 4
The refrigerant This appliance is not intended for use by persons Before install the Appliance filled (including children) with reduced physical, sensory appliance, read with flammable t i l i the installation gas R32. knowledge, unless they have been given superv- manual first.
Safety operation of flammable refrigerant Installation notes Check whether there is fire source or potential fire source in the maintenance area. The air conditioner must be installed in a room - The naked flame is prohibited in the mainte- that is larger than the minimum room area. The nance area;...
Safety precautions WARNING Installation Installation or maintenance The grounding resistance must be performed by qua- should comply with nation- lified professionals. al electric safety regula- The appliance shall be in- tions. stalled in accordance with Air Conditioner should be national wiring regulations. properly grounded.
Page 7
Safety precautions CAUTION Installation Instructions for installation For the air conditioner with- and use of this product are out plug, a circuit breaker provided by the manufac- must be installed in the turer. line. Select a location which is The yellow-green wire in out of reach for children air conditioner is ground- and far away from animals...
Safety precautions WARNING Operation and Maintenance tioner to multi-purpose soc- This appliance can be used ket. Otherwise, it may cau- by children aged from 8 se fire hazard. years and above and per- Do disconnect power supp- sons with reduced physi- ly when cleaning air condi- cal, sensory or mental ca- tioner.
Page 9
Safety precautions CAUTION Operation and Maintenance frequently. Do not spill water on the re- Air conditioner gives off mote controller, otherwise burning smell. the remote controller may Indoor unit is leaking. be broken. Do not use fire or hair dry- er to dry the filter to avoid deformation or fire hazard.
Installation notice WARNING sure that the unit is running in cooling mode. Then, fully close the valve at high pressure side (liquid valve). About 30-40 seconds later, fully close the valve at low pressure side (gas valve), immediately stop the unit and disconnect power.
Selection of installation location Requirements for electric connection Basic requirement 8.The temperature of refrigerant circuit will be hi- Installing the unit in the following places may cau- gh, please keep the interconnection cable away se malfunction. If it is unavoidable, please consu- from the copper tube.
Installation of outdoor unit Step 1: Fix the support of outdoor unit (select it according to the actual inst- drain vent allation situation) chassis Select installation location according to outdoor drain joint Drain hose the house structure. Step 3: Fix the support of outdoor unit on the sele- cted location with expansion screws.
Page 14
Step 6: Tighten the union nu t with torque wrench Neaten the pipes by referring to the sheet below. The pipes should be placed along the wall, bent Tightening torque(N m) Hex nut diameter reasonably and hidden possibly. Min. semidiam- 1/4'' 15~20 eter of bending the pipe is 10cm.
Test and operation Check after installation ● Check according to the following requirement Use vacuum pump after finishing installation. Remove the valve caps on the liquid valve and Items to be checked Possible malfunction gas valve and the nut of refrigerant charging vent. 2.
Configuration of connection pipe Additional refrigerant charging amount for R32 Standard length of connection pipe: 5m, 7.5m, Min. length of connection pipe. For the unit with standard connection pipe of 5m, there is no limitation for the min length of con- nection pipe.
Page 17
B: Remove the burrs smooth surface Remove the burrs with shaper and prevent the ● burrs from getting into the pipe. improper expanding pipe shaper leaning damaged crack uneven surface thickness downwards the length is equal C: Put on suitable insulating pipe D: Put on the union nut Remove the union nut on the indoor connection ●...
Specialist’s Manual The following checks shall be applied to instal- fire extinguishing equipment shall be available to ● lations using flammable refrigerants: hand. Have a dry powder or CO fire extinguisher adjacent to the charging area. – the charge size is in accordance with the room size within which the refrigerant containing parts are in- Ventilated area ●...
Page 20
Specialist’s Manual Repair to intrinsically safe components – recovery equipment and cylinders conform to ● the appropriate standards. Do not apply any permanent inductive or capaci- d) Pump down refrigerant system, if possible. tance loads to the circuit without ensuring that this e) If a vacuum is not possible, make a manifold so will not exceed the permissible voltage and current that refrigerant can be removed from various parts...
Page 21
Specialist’s Manual dition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery mac- hine, check that it is in satisfactory working order, has been properly maintained and that any associ- ated electrical components are sealed to prevent ignition in the event of a refrigerant release.
Page 22
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: global@cn.gree.com Web: www.gree.com 600005064514...
Need help?
Do you have a question about the GWH12AWCXD and is the answer not in the manual?
Questions and answers