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–111–
YES
NO
YES
YES
YES
NO
NO
(3)
Cooling operation
Normal operations
Test run
Stop
Cooling operation
4-way valve OFF
Indoor unit fan
operations
Test run start
Thermostat ON
3-minute
restart pre-
vention
Variable capacity unit
1. Inverter frequency level control
2. Indoor LEV, SLEV, LEV1 control
3. Solenoid valve control
4. Outdoor unit fan control
5. 52C1, 52C2 control
Variable capacity unit
1. Inverter output 0 Hz
2. Indoor unit LEV, SLEV,
LEV1 full closed
3. Solenoid valve OFF
4. Outdoor unit fan stop
5. 52C2 OFF
6. F = 0 after 6 minutes 52C1 OFF
Constant capacity unit
1. 52C OFF
2. Outdoor unit fan stop
3. LEV1, LEV2 full closed
4. All solenoid valves closed
Constant
capacity unit
operation
Constant capacity unit
1. 52C OFF
2. Outdoor unit fan stop
3. All solenoid valves closed
4. LEV1, LEV2 full closed
Constant capacity unit
1. 52C ON
2. Outdoor unit fan control
3. Solenoid valve control
4. LEV1 control (LEV2 full closed)
Note: 1
During cooling, indoor unit fan will operate at the set notch value whether the thermostat is ON or OFF.
Note: 2
Even when the constant capacity unit is stopped, the outdoor unit fan and the solenoid valves LEV1, LEV2 are sometimes
operated.
Note: 2
Note: 1
Содержание CITY MULTI PUHY-400YMF-B
Страница 13: ... 10 Noise filter NF DC reactor DCL Noise filter box Noise Filter Box Rear of the controller box ...
Страница 16: ... 13 FANCON board CNV CNW CNU CNFC2 ...
Страница 17: ... 14 RELAY board CN51C2 CNOUT2 CNRT2 CN52F CN52C2 CNCH ...
Страница 20: ... 17 CONT board SWU2 CNTR SWU1 CNFC1 SW3 SW2 CNS1 M NET transmission CN20 Power supply 1 N 3 L1 ...
Страница 26: ... 23 ...
Страница 50: ... 47 ...
Страница 152: ... 149 Model PUHY 400YMF B 500YMF B ...