Gree FLEXX Series Service Manual

GREE DC INVERTER HEAT PUMP CONDENSING UNIT
83
Removal of electronic expansion valve
NOTE:Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off.
Step
Picture
Work instruction
3. Remove the
electronic
expansion
valve.
 Take off the coil of
electronic expansion
valve.
 Loosen the connection
pipe of electronic
expansion valve by
welding. Then remove
the connection pipe.
NOTE: When welding
the pipe, do not let the
flame bunt the other
components.
4. Take out the
electronic
expansion
valve.
 Take out the electronic
expansion valve.
5. Install the
new
electronic
expansion
valve.
 Weld the connection
pipe of electronic
expansion valve.
 When welding the
electronic expansion
valve, the valve should
be wrapped with wet
cloth.
 Nitrogen welding: the
pressure of nitrogen is
0.5±0.1kgf/ cm² (relative
pressure). NOTE: When
welding the pipes, do not
let the flame burn the
other components.
 Install the coil of
electronic expansion
valve.

Gree FLEXX Series Specifications

General

Type	Heat Pump
Series	FLEXX
SEER	Up to 20
HSPF	Up to 10
Refrigerant	R410A
Heating Operation Range	-22°F to 75°F
Cooling Operation Range	5°F to 122°F
Operating Temperature Range (Heating)	-22°F to 75°F
Operating Temperature Range (Cooling)	5°F to 122°F
Energy Efficiency Ratio (EER)	Up to 12.5
Dimensions (Outdoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Compressor Type	Inverter
Power Supply	208/230V, 1Ph, 60Hz
Noise Level	As low as 55 dB(A)