DC INVERTER MULTI VRF MAINTENANCE
Removal and Installation of electronic expansion valve
Step Illustration Handling Instruction
1. Disconnect the
electronic expansion valve
from connection pipe
●
Remove the coil of
electronic expansion valve;
●
Loosen the connection
pipe of electronic expansion
valve by welding; then pull
out the connection pipe.
Note: During welding, take
care not to let the flame burn
other elements.
2. Remove and replace the
electronic expansion valve
●Remove and replace the
electronic expansion valve
3. Weld the electronic
expansion valve to
connection pipe
●
Weld the connection pipe
of electronic expansion valve.
Note: During welding, take
care not to let the flame burn
other elements.