Panasonic CS-XE9DKE Сервис мануал онлайн [42/108] 9476

Panasonic CS-XE9DKE Сервис мануал онлайн [42/108] 9476
B. Oxygen enrich control overview
Upon receiving ON signal from indoor unit, the outdoor vacuum pump, fan & 2 way valve will operate according to the various
protection control setting.
C. Oxygen enrich protection control (O
2
supply level judgement)
1. Vacuum pump protection
Base on outdoor air temp., Comp. top temp., the oxygen supply level is decided.
Priority is given to the lower level.
Vacuum pump operation cycle time = EOPMPS01.
O
2
supply level change only after vacuum pump ON/OFF operation completed 1 cycle time if the new level is higher than
the present level.
O
2
supply level change immediately if the new level is lower than the present level (avoid O
2
supply level hunting).
Vacuum pump operate with ON/OFF timing according to O
2
supply level except during continuous running required by
freeze-up prevention control (F-2).
E.g. Oxygen supply level change timing (vacuum pump continuous running control, (C-2) not yet activated).
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CS-XE9DKE CU-XE9DKE / CS-XE12DKE CU-XE12DKE

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