(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 mark.
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
¾ Connect the wire to independent power
source socket.
¾ Preparation of remote control.
¾ Run the air-conditioner in cooling
operation mode for 30 minutes or longer.
Performance evaluation
¾ Test the out and in air temperature.
¾ Make sure that the temperature difference
between the out and in air is greater than
8
o
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.
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