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[
VII
Control ]
- 115 -
HWE1113B
GB
(2) Heating operation
*Note 1. When the outdoor unit goes into the defrost mode, defrost command is sent to the HBC controller and indoor units.
Upon reception of the command, the indoor units will go into the defrost mode. When defrosting is completed and
upon receiving the signal that indicates the completion of defrosting, indoor units will resume the heating operation.
*Note 2. Defrost end condition: 10 or more minutes must pass after defrost operation.
or Outdoor unit piping temperature : refer to "-5- Defrost operation control" of [2] Controlling the Outdoor
Unit. (page 99)
Heating operation
Test run mode
ON
Thermostat
ON
Defrost
operation
3-minute restart
prevention
*Note 1,2
*Note 1,2
YES
YES
YES
YES
NO
NO
NO
NO
NO
1. Indoor/outdoor unit fan control
2. Inverter frequency control
3. HBC controller FCV fully open
4. Solenoid valve control
5. HBC controller solenoid valve control
6. HBC controller LEV control
Normal operation
Defrost operation
4-way valve ON
During test run mode
1. Indoor unit fan operation at
Very Low speed
2. Inverter output 0Hz
3. HBC controller FCV fully open
4. Solenoid valve OFF
5. Outdoor unit fan stop
6. HBC controller solenoid valve control
7. HBC controller LEV control
Stopping the
defrost operation
1. Indoor unit fan stop
2. Inverter defrost frequency control
3. HBC controller FCV fully open
4. Solenoid valve control
5. Outdoor unit fan stop
6. HBC controller solenoid valve control
7. HBC controller LEV control
4-way valve OFF
1
3
Stopping the defrost operation
Unit in the stopped state
Содержание City Multi CMB-WP108V-G
Страница 1: ...AIR CONDITIONER 2014 Service Handbook PURY WP200 WP250YJM A CMB WP108V G Model 3rd edition ...
Страница 11: ... 2 HWE1113B GB ...
Страница 27: ... I Read Before Servicing 18 HWE1113B GB ...
Страница 29: ... 20 HWE1113B GB ...
Страница 57: ... 48 HWE1113B GB ...
Страница 70: ... III Outdoor Unit Components 61 HWE1113B GB 2 Power supply circuit board ...
Страница 71: ... III Outdoor Unit Components 62 HWE1113B GB ...
Страница 73: ... 64 HWE1113B GB ...
Страница 81: ... IV Remote Controller 72 HWE1113B GB ...
Страница 83: ... 74 HWE1113B GB ...
Страница 88: ... 79 HWE1113B GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 81 2 Principal Parts and Functions 83 ...
Страница 89: ... 80 HWE1113B GB ...
Страница 97: ... 88 HWE1113B GB ...
Страница 127: ... 118 HWE1113B GB ...
Страница 135: ... VIII Test Run Mode 126 HWE1113B GB ...
Страница 137: ... 128 HWE1113B GB ...
Страница 252: ... 243 HWE1113B GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 245 ...
Страница 253: ... 244 HWE1113B GB ...