Panasonic CS-XC9CKT / CU-XC9CKT / CS-XC12CKT / CU-XC12CKT Service Manual ▷ View online
8.11.3. Oxygen Enrich System
A. Oxygen enrich tube connection
B. Oxygen Enrich control overview
When oxygen button at remote control is On, LED at air conditioner unit lights on & vacuum pump & outdoor fan operates.
*Note: Outdoor fan must run when vacuum pump operates.
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C. Oxygen operation time diagram
1. Oxygen + compressor running mode (Cool, Dry)
T1 = 30 min, T2 = 3 min, T3 = 7 min
2. Oxygen only or Oxygen + Compressor stop mode (Ion, Fan)
T1 = 60 min, T2 = 2 min, T3 = 8 min
3. Oxygen demonstration mode
* Pump & outdoor fan “ON” continuously.
* Fan speed & airflow direction control vane angle follow previous setting.
* Indoor fan speed can be set by pressing fan speed selection button on remote control.
D. Oxygen Enrich Protection Control
1. Vacuum pump restart protection control
Purpose: To prevent starting noise if vacuum pump is started too often within short period.
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9 Operating Instructions
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