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R410A 60Hz 16 SEER Universal Outdoor Series Technical Manual
74
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
Содержание MCI16036CCU216A
Страница 12: ...R410A 60Hz 16 SEER Universal Outdoor Series Technical Manual 12 Operation temp C 16 32 16 32...
Страница 14: ...R410A 60Hz 16 SEER Universal Outdoor Series Technical Manual 14 3 Service Space...
Страница 15: ...R410A 60Hz 16 SEER Universal Outdoor Series Technical Manual 15 4 Wiring Diagrams...
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