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[
VII
Control ]
4. Operations in each mode <PURY>
(1) Cooling operation
Cooling operation
Test run mode
ON
Thermostat
ON
3-minute restart
prevention
*Note 1
YES
YES
YES
NO
NO
NO
4-way valve OFF
1. Inverter frequency control
2. Indoor unit LEV, Oil returnLEV control
3. Solenoid valve control
4. Outdoor unit fan control
5. BC controller solenoid valve control
6. BC controller control
Normal operation
During test run mode
Indoor unit fan
operation
1. Inverter output 0Hz
2. Indoor unit LEV, Oil return LEV fully closed
3. Solenoid valves OFF
4. Outdoor unit fan stop
5. BC controller solenoid valves OFF
6. BC controller LEV fully closed
Unit in the stopped state
2
3
*Note 1. The indoor fan operates at the set notch under cooling mode regardless of the
ON/OFF state of the thermostat.
Содержание PUHY-P168
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Страница 126: ... 117 VI Refrigerant Circuit 1 Refrigerant Circuit Figure 119 2 Principal Parts and Functions 126 ...
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Страница 134: ... 125 VI Refrigerant Circuit 3 CMB P104 and P108NU GB sub TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...
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Страница 366: ... 357 IX Troubleshooting ...
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Страница 368: ... 359 X LED monitor display on the outdoor unit board 1 How to read the LED on the service monitor 361 ...
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