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13
1.
Unscrew the two-way and three-way valve and remove the covers.
2.
Unscrew the supply pipe and remove the cover.
3.
Connect the flexible hose of the vacuum pump to the supply pipe.
4.
Allow the vacuum pump to operate for 10-15 minutes until a pressure of 10 mmHg absolute is
achieved.
5.
Close the low-pressure button on the vacuum pump while the pump is still operating. Now switch the
pump off.
6.
Open the two-way valve (1/4 turn), and close it again after 10 seconds. Check all connections with
liquid soap or an electronic leak detector.
7.
Turn the two-way and three-way valves to their operating positions. Disconnect the hose from the
vacuum pump.
8.
Replace and tighten all covers.
Note
-
Read these instructions for use before commencing installation.
-
Make sure that no air remains in the cooling system and that no refrigerant is leaking.
-
Testing: switch the air conditioner on after installation and take notes on the operation.
-
Fuse of the indoor unit controller for types S1126 and S1135: 50T, permitted value 3.15 A,T, 250V. For
types S1153 and S1170: 3.15A, T, 250V.
-
The fuse for the unit as a whole must be suitable for maximum power.
-
The plug must be easily accessible in order to be able to switch the unit off in case of emergency.
If there is no easy access, a bipolar main switch must be installed at an easily accessible location.
