208
DC Inverter Multi
VRF Service Manual
Removal and Assembly of 4-way valve
Remark: Before removing the 4-way valve, make sure that there is no refrigerant inside the pipe system and that the power has been cut off.
Step Illustration Handling Instruction
1. Loosen the left
wire xer of the
left electric box and
the xing screws
● Remove the left and right front panels.
● Loosen the wire xer
of the electric box.
● Loosen the xing screws
of the left electric box.
2. Remove the
left electric box
● Put a support of suitable height
in front of the left electric box.
● Take off the electric box and lay
its front part on the support.
3. Remove 4-way
valve parts
4-way valve parts
● Loosen the 4-way valve parts.
● Remove the 4-way valve parts.
4. Remove 4-way valve
Solder the spots
● Heat the four nozzles of the 4-way valve
by gad welding. Remove the 4-way valve
● Before solder off the 4-way valve,
record the direction of 4-way valve and
installting position of each nozzle.
Note: do not burn the other
parts during soldering.
5. Remove 4-way
valve from the pipe
● Remove 4-way valve from the pipeline.
6. Mount 4-way valve
● Mount a new 4-way valve
in the right position.
● Conenc the new 4-way
valve to the pipe.
● Wrap the 4-way valve with
wet cloth in case of burnt gliding
block and inow of water.
●Charge nitrogen for welding,
whose pressure is 0.5±0.1kgf/
c (relative pressure).
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