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SiBE12-519
Control Specification
Function and Control
67
3.12.4
Preventing Indoor Freezing
During cooling, if the heat exchanger temperature in the operation stopped room becomes
below the specified temperature for the specified time, open the electronic expansion valve in
the operation stopped room as specified, and carry out the fully closed operation. After this, if
freezing abnormality occurs more than specified time, the system shall be down as the system
abnormality.
3.13
Forced Operation Mode
Outline
Forced operating mode includes only forced cooling.
Detail
Forced Cooling
Item
Forced Cooling
Forced operation allowing
conditions
1) The indoor unit is not abnormal, but the indoor unit which is not in
the freezing prohibiting zone is present in more than 1 room.
2) The outdoor unit is not abnormal and not in the 3-minute stand-by
mode.
The forced operation is allowed when the above “and” conditions are
met.
Starting/adjustment
When the indoor unit on/off button is pressed for continuous 5 second
as the above conditions are met.
1) Determine operating room All rooms must operate.
2) Command frequency
70Hz
3) Electronic expansion
valve opening
It depends on the capacity of the operating indoor unit.
4) Outdoor unit adjustment
Compressor is in operation.
5) Indoor unit adjustment
The command of forced cooling operation is transmitted to all indoor
units.
End
1) When the indoor units on/off button (of the unit which sent the
command) is pressed again.
2) The operation is to end automatically after 15 min.
Others
The protect functions are prior to all others in the forced operation.
Summary of Contents for 2MKS40DVMB
Page 10: ...SiBE12 519 List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Page 15: ...Heat Pump SiBE12 519 6 List of Functions ...
Page 29: ...Heat Pump SiBE12 519 20 Specifications ...
Page 135: ...Instruction SiBE12 519 126 System Configuration ...
Page 211: ...Outdoor Unit SiBE12 519 202 Removal Procedure ...