Gree DC Inverter Multi VRF

DC INVERTER MULTI VRF MAINTENANCE
Disassembly and Assembly of 4-way valve
Step Illustration Handling Instruction
1. Disconnect the
4-way valve from
liquid bypass.
● Firstly, remove the coil of 4-way
valve.
●
Loosen the liquid bypass
sub-assembly by welding; then, pull out
the connection pipe.
Note: During welding, take care not to
let the flame burn other elements.
2. Disconnect the
4-way valve from
the pipe
●
Loosen the four joints on 4-way valve
sub-assembly by welding; then, pull out
the connection pipe.
Note: During welding, take care not to
let the flame burn other elements.
3. Replace the
4-way valve and
weld the 4-way
valve to connection
pipe
●
Replace the 4-way valve and then
weld the four joints on 4-way valve
sub-assembly.
Replace the 4-way valve and then weld
the four joints on 4-way valve
sub-assembly.
4. Replace the
4-way valve and
weld the 4-way
valve to liquid
bypass
sub-assembly
●
Weld the joint between 4-way valve
sub-assembly and liquid bypass
sub-assembly.
Note: During welding, take care not to
let the flame burn other elements.
Weld this point
properly.
Weld this point on
gas bypass valve
Loosen the fou
r
points by welding
Loosen the fou
r
points by welding