
P. 04
P. 09
LOCATION FOR INDOOR UNIT
Select the location the indoor unit with the following consideration:
1.The front of the air injet and outlet shall be free from any obstration. The outlet air
should flow out freely.
2. The wall where the unit is to be mounted should be stiff enough not to resonant
and produce noise.
3. The place should allow easy access to install the copper tube pipe to the outdoor.
4. Ensure the clearance on every side of the indoor unit to conform to figure below.
5. From the floor the height should be more than the eye level.
CAUTION : Avoid installing the unit form direct sunlight.
AIR PURGING AND CHECK OF PIPE LEAKAGE
The purpose of air purging is to get rid of -- Use hexagonal wrench to open both
moisture and air in the system, other wise high pressures, low –pressure valve to
moisture and air may cause and the end (counter clockwise).
ineffectiveness of compressor which directly Tighten the blank cap of three-way
effects to the cool air.
Valve.
PURGING BY USING VACUUM:
--
Cover indoor unit joint with pipe
After tighten flare nut between indoor and insulation and 4 plastic bands prevent
Outdoor unit. Condensation at joint.
•
Remove the blank cap of three-way
•
Valve by using torque wrench .Check
Both high pressure and low-pressure
Valve are in closed condition.
•
Remove the nut of the service port.
•
Connect gauge into the service port.
•
Connect gauge into the vacuum pump
•
Vacuum until gauge indicate at 30-
Inch mercury pressure.
•
Remove gauge. Tighten up the nut of
service port.
GAS LEAKING CHECK:
-- Check leakage by apply soapsuds to
Ever connection and inspect carefully
after checking wipe them off completely.