Control Functions
Si71-812
48
Control Functions
1.1.2
Cold Area Mode
Stops or lowers ventilation airflow during defrosting operation and compressor non-operating
condition when equipment in heating mode, thus reducing heating load and cold air draft.
Operation chart (in heating operation only)
Note1:
Cold area mode can set using field setting mode of remote controller.
In detail, refer to page 85.
Note2:
During defrost operation, the fans of the unit continues driving (factory setting).
The purpose of this is to maintain the amount of ventilation and humidifying.
Though the fan can be stopped by the setting of the remote controller. In detail, refer to page 85.
Operation
By-pass
mode selection
Air conditioner
ON/OFF
Operation
Fan motor
Heat reclaim
v
entilation unit
Ventilation fan motor
Damper motor
(ventilation mode)
Total heat
exchange
mode
By-pass
mode
ON
OFF
ON
ON
Remote controller
indication
Operation lamp
Lamp
ON
(HL023)
Defrosting operation
or compressor in
non-operation
Non-defrosting operation or
compressor in operation
ON (Note 2)
Summary of Contents for VKM50GAV1
Page 9: ...Introduction Si71 812 viii...
Page 43: ...Operation Si71 812 34 Operation...
Page 53: ...Inspection and Maintenance of the Humidifier Si71 812 44 Maintenance...
Page 91: ...Troubleshooting Si71 812 82 Troubleshooting...
Page 99: ...Appendix Si71 812 90 Appendix 1 Appendix 1 1 Wiring Diagram VKM50GAMV1 VKM80GAMV1 VKM100GAMV1...
Page 100: ...Si71 812 Appendix Appendix 91 VKM50GAV1 VKM80GAV1 VKM100GAV1...
Page 103: ...Piping Diagram Si71 812 94 Appendix...
Page 105: ...Si71 812 ii Index...
