38MARB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
77
Four Way Valve (for heat pump models)
Evacuate the system and confirm that there is no refrigerant
left in the system before removing the four-way valve and the
compressor. (For R32 & R290, evacuate the system with the
vacuum pump; flush the system with nitrogen; then repeat the
two steps before heating up the brazed parts. This operation
should be implemented by an authorized technician.
WAR N I N G
Procedure Illustration
1) Heat up the brazed parts and then detach
the 4-way valve and the pipe.
2) Remove the 4-way valve assembly with
pliers.
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