120
DC Inverter Multi
VRF Service Manual
Disassembly and Assembly of 4-way valve
Remark: Before removing the compressor, make sure that there is no refrigerant
inside the pipe system and that the power has been cut off.
Step Illustration Handling Instruction
1.Remove the Magnet
Coil of 4-way valve.
Remove
the coil
of 4-way
valve
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of 4-way valve.
2. Disconnect the 4-way
valve from the pipe
Loosen the
four points
by welding
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valve sub-assembly by welding;
then, pull out the connection pipe.
Note: During welding, take care not
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3. Replace the 4-way
valve and weld the 4-way
valve to connection pipe
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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 this
point on gas
bypass valve
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valve sub-assembly and liquid
bypass sub-assembly.
Note: During welding, take care not
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