Gree GMV6 HR DC Inverter VRF Units Service Manual
364
5.1.15 Preparation for Removing and Installing Solenoid Valve
Steps:
(1) Use the power circuit breaker to switch off the power of the GMV6 HR VRF system.
(2) Make sure that the unit pipeline system is free of refrigerant.
(3) Remove the unit’s upper and bottom panels by referring to 5.1.1 Removing the Unit
Panel.
Removing procedure
(1) Use a tool to remove the solenoid valve coil.
(2) Use a pipe cutter to cut off the solenoid valve inlet and outlet pipes and remove the valve
body.
Cut-off point
Cut-off point
(3) Use gas welding to heat the pressure switch connection port and pull out the solenoid
valve inlet and outlet pipes. Nitrogen protection should be applied during welding; the
nitrogen pressure is 0.5±0.1kgf/cm2 (relative pressure).
(4) Weld and take off the old solenoid valve inlet and outlet pipes from the pipeline.
Installation procedure
(1) Install the new solenoid valve to the exact position.
Summary of Contents for GMVVQ1015WM/C-X
Page 418: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 416 GMV VQ400WM C X GMV VQ450WM C X...
Page 420: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 418 NCHS1D...
Page 421: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 419 NCHS2D...
Page 422: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 420 NCHS4D...
Page 423: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 421 NCHS8D...
Page 426: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 424 6 1 2 Heating Operation...
Page 427: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 425 6 1 3 Main body Cooling...
Page 428: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 426 6 1 4 Main body Heating...
Page 430: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 428 6 2 2 Heating Operation...
Page 431: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 429 6 2 3 Main body Cooling...
Page 432: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 430 6 2 4 Main body Heating...
Page 433: ...JF00304244...