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91
Removal of 4-way valve
NOTE
: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off.
Step
Picture
Work instruction
1. Take off the coil of the 4-way
valve.
Carefully unscrew the screws of
electromagnetic coil with a
screwdriver.
2. Break off the connection pipes
from the 4-way valve.
Use a soldering gun to loosen the
4 joints on the 4-way valve and
then remove the connection
pipes.
NOTE
: When welding the pipes,
the 4-way valve should be
wrapped with wet cloth for
cooling. Do not let the flame burn
the other components.
3. Replace the 4-way valve and
connect it to the connection
pipes.
Replace the 4-way valve and then
use a soldering gun to weld the 4
joints of the 4-way valve.
Note:
When welding the pipes,
the 4-way valve should be
wrapped with wet cloth for
cooling. Do not let the flame burn
the other components.
4. Install the coil of 4-way valve.
Tighten the screws of the coil of
4-way valve with a screwdriver.
