Energy Save AWH11-V5+, User Manual, Page: 30 / 100

1.Connect the refrigerant piping to the indoor unit(refer fig.1).
2.Connect the other side of the refrigerant pipe to the the outdoor unit(refer fig.2).
3.
(refer fig.3).
Prepare a vacuum pump and a pressure gauge, connect one tube of the pressure gauge to the
vacuum pump.
4. (refer fig.4).
5. Open pressure gauge, and start the vacuum pump to vacuum the unit for around 10 minutes.
When the pressure gauge shows negative pressure, close the pressure gauge and stop vacuuming
(refer fig.5).
6.Ture off the vacuum pump and install the cooper nut back to the high pressure connector
(refer fig.6).
7.Use a 5mm hex wrench to open two valves on the unit as shown in the picture(refer fig.7).
8.
(refer fig.8).
Connect the other tube of the pressure gauge to the outdoor unit.
Check with leakage detector or soap water if there is any leakage. If not , then put back the copper
nuts onto the valves
3
2
Attention:The liquid valve can't be opened until the vacuumizing has been totally finished.
1
4
5
6
7
Hexagon Spanner M5
：
In counter
-
clockwise
direction
8
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2.INSTALLATION