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FWDB Low temperature floor ceiling-Technical Manual R32-50Hz
②
.
Special vacuum dry procedure
This vacuum dry method is used in the following conditions:
There’s moisture when flushing the refrigerant pipe.
Rainwater may enter into the pipe.
Vacuum dry for the first time ······ 2h pumping
③
. Vacuum destroy for the second time ······ Fill nitrogen to 0.5Kgf/cm
2
Because nitrogen is for drying gas, it has vacuum drying effect during vacuum destroy. But if the
moisture is too much, this method can’t dry thoroughly. So, please pay more attention to prevent water
entering and forming condensation water.
④
. Vacuum dry for the second time······1h pumping
Determinant: Pass if achieving below -755mmHg. If -755mmHg can’t be achieved in 2h, repeat procedure
③
and
④
.
⑤
. Vacuum placing test ······ 1h
⑥
. Sketch map of special vacuum dry procedure
45
Содержание AW-FWDB018-N91
Страница 15: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 13 4 Service Space ...
Страница 18: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 16 6 2 AW FWDB024 N91 ...
Страница 33: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 4 2 AW YMDB024 H91 31 ...
Страница 37: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 8 Exploded Views 8 1 AW YMDB018 H91 35 ...
Страница 39: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 8 2 AW YMDB024 H91 37 ...
Страница 55: ...RFWDB Low temperature floor ceiling Technical Manual R32 50Hz Part 5 Controller 53 1 Wired Controller 54 ...
Страница 56: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz Telecommande filaire RCW23 1 Wired Controller 54 ...
Страница 57: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 55 ...