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Control Specification
Si12-619A
106
Function and Control
3.8
Fan Control
Outline
Fan control is carried out with following condition.
1. Fan ON control for electric component cooling fan
2. Fan control when defrosting
3. Fan OFF delay when stopped
4. ON/OFF control when cooling operation
5. Fan control when the number of heating rooms decreases
6. Fan control when forced operation
7. Fan control in indoor / outdoor quiet operation
8. Fan control for pressure difference upkeep
Detail
Fan OFF Control when Stopped
Fan OFF delay for 60 seconds must be made when the compressor is stopped.
Fan control when the number of heating room decreases (Only for Heat Pump Model)
When the outdoor air temperature is more than 10°C, the fan must be turned OFF for 30
seconds.
Tap Control in Indoor / Outdoor Unit Silent Operation
1. When Cooling Operation
When the outdoor air temperature is less than 37°C, the fan tap must be set to L.
2. When Heating Operation
When the outdoor air temperature is more than 4°C, the fan tap must be turned to L (only for
heat pump model).
3.9
Liquid Compression Protection Function 2
Outline
In order to obtain the dependability of the compressor, the compressor must be stopped
according to the conditions of the temperature of the outdoor air and outdoor heat exchanger.
Detail
Heat Pump Model
Operation stops depending on the outdoor air temperature.
Compressor operation turns OFF under the conditions that the system is in cooling operation
and outdoor air temperature is below –5°C (52-68 class) or –10°C (80-100 class).
Cooling Only Model
Operation stops depending on the outdoor air temperature.
Compressor operation turns OFF under the condition that outdoor air temperature is below
10°C (E series) or –10°C (D series).
Summary of Contents for 3MKS50DVM
Page 13: ...Introduction Si12 619A xii ...
Page 131: ...Control Specification Si12 619A 118 Function and Control ...
Page 213: ...Instruction Si12 619A 200 Operation Manual ...
Page 283: ...Check Si12 619A 270 Service Diagnosis ...
Page 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Page 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Page 399: ...Si12 619A vi Index ...