Expelling The Air In The Pipes And The Indoor Unit; Electrical Connection; Test Running; Items Of Attention - AUX ASW-H09A4/SAR1DI Service Manual

(7)Expelling the air in the pipes and the indoor unit

Expelling the air: humid air in the refrigerating system might cause
trouble of compressor.
①Take off the cover from the stop valve and T-branch valve.
②Take off the auxiliary cover from the T-branch valve.
③Turn the stop valve rod anti-clock wise to an angle of 90 degree,
keep it open for 8 seconds and close the valve.
④Check whether there is air leakage at all connection parts of pipes.
⑤ Push the top rod of T-branch valve by hexagon wrench to expel
air.
⑥Repeat the third and fifth steps.
⑦Open the stop and T-branch valve with a hexagon wrench to make
the unit operate.
⑧No leakage is allowed, please check all the piping connection
parts. You must test the leakage, generally, it can be tested by soap
water.

(8)Electrical connection

① Unscrew the screw, take off the control panel cover from
the unit.
② Cooling type: connect the wire to the related connection
point on the panel and connect the signal connection plug.
Remarks: yellow and green cord should be connected to
connection point with
③ Fasten the fixture of wire to control panel.
④ Screw up the control panel cover to its original place.

(9)Test running

① Make sure that the pipes and wires are connected.
② Make sure that both the liquid valve and gas
valve on the side are completely open.
The connection of power source
Connect the wire to independent power
source socket.
Preparation of remote control.
Run the air-conditioner in cooling
operation mode for 30 minutes or longer.
Performance evaluation
Test the out and in air temperature.
Make sure that the temperature difference
between the out and in air is greater than
o
8 C.

(10)Items of attention

① Fix the machine firmly, otherwise it will produce noise and vibration.
② Install the outdoor unit where it will not disturb your neighbor.
mark.
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