Gree GMV5 - Page 299

GREE Photovoltaic Direct-driven Inverter Multi VRF Units
295
Removal procedure of plate type heat exchanger
Note: Before removing the plate type heat exchanger, make sure no refrigerant is inside the pipeline and
power has been disconnected.
Step
Diagram
Operation Procedure
5. Install a new
plate type heat
exchanger
●Screw the support of plate
type heat exchanger and fix the
heat exchanger and the support
onto the chassis.
●Put on the plate type heat
exchanger based on the
position of the suction and
discharge pipes and weld the
pipes with the heat exchanger.
●During welding, charge
nitrogen into the pipes. The
pressure should be controlled
within
0.5±0.1kgf/cm
2
(relative
pressure). Note: Avoid nearby
parts from being burnt during
welding.
6. Fix and wire the
electric box.
●Put the electric box back to
the original position and screw
it;
●Connect wires same as the
original.
7. Check and
install the front
panels.
●Check various parts and
connection wires;
●If no problem is found, hook
the front panels and tighten the
screws.