Haier AB36NACBEA Service Manual page 33

4
Open the valve rod for the 2-way valve to and
angle of anticlockwise 90 degree.
After 6 seconds later, close the 2-way valve and
male the inspection of gas leakage.
5
No gas leakage?
6
Detach the charge hose from the service port, open
2-way valve and 3-way. Turn the valve rod
anticlockwise until hitting lightly.
7
To prevent the gas leakage, turn the service port's
cap, the valve rod'd cap for 2-way valve and 3-way's
a lottle more than the point where the torque increases
suddenly.
8
After attaching the each caps, check the gas leakage
around the caps.
If needing to remove the refrigerant gas when installation or repair , please refer to the
following procedures:
1. Cut off the power
2. (After confirming the power is cut off) pull the power cable plug terminals of the low-pressure
pressure-switch out.
3. (After confirming the power cable terminals of the low-pressure pressure-switch is cut off) After
powering on the unit again and switch to COOLING mode,perform refrigerant gas removing
according to the normal refrigerant gas removing procedure.
4. After finishing refrigerant gas removing , cut off the power , then insert the power cable terminals
of the low-pressure pressure-switch properly.
In case of gas leakage, tighten
parts of pipe connection. If leakage
6
stops, then proceed steps.
INSTALLATION INSTRUCTIONS
If it does not stop gas leakage, discharge whole
refrigerants from the serice port. After flaring work
again and vacuumize, fill up prescribed refrigerant
from the gas cylinder.
- 28 -
2way V.
3way V.
90°
Service port
4
90° for 6 sec.
2way V.
6
3way V.
6
3
2way V.
3way V.
7
Valve rod cap
7
Valve rod cap
5
Service port cap