Si12-619A
Control Specification
Function and Control
113
3.13.4
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.
3.14
Forced Operation Mode
Outline
Forced operating mode includes functions such as; forced cooling, forced heating, incorrect
wiring, incorrect piping check.
Operating mode must be selected by operating the forced operation switch.
Detail
Forced Cooling, Forced Heating (Only for Heat Pump Model)
Item
Forced Cooling
Forced Heating
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.
1) The indoor unit is not abnormal.
The indoor unit which is not in the
peak-cut prohibited zone is present in
more than 1 room.
2) The outdoor unit is not abnormal
and not in the 3-minute stand-by
mode.
←
3) The operating mode of the outdoor
unit is the stop mode.
←
4) The slide selection switch of the
forced operation is the cooling mode.
The forced operation is allowed when
the above “and” conditions are met.
4) The slide selection switch of the
forced operation is the heating mode.
The forced operation is allowed when
the above “and” conditions are met.
Starting / adjustment If the forced operation switch is
pressed as the above conditions are
met.
←
1) Determine
operating room
All rooms
One of the available units runs.
Priority is given to the youngest
number’s room in alphabetical order.
(A
>
B
>
C
>
D)
2) Command
frequency
2YC32
,
2YC36: 52 Hz
2YC45: 42 Hz
2YC63: 31 Hz
2YC32: 42 Hz
(outdoor air: 2°C)
2YC36: 42 Hz
(outdoor air: 0°C)
2YC45: 35 Hz
(outdoor air: 2°C)
2YC63: 26 Hz
(outdoor air: 2°C)
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 operation is
transmitted to the indoor unit.
←
End
1) When the forced operation switch is
pressed again.
←
2) The operation is to end
automatically after 60 min.
←
Others
The protect functions are prior to all
others in the forced operation.
←
Содержание 3MKS50DVM
Страница 1: ...Si12 619A Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump D Series E Series ...
Страница 13: ...Introduction Si12 619A xii ...
Страница 89: ...Printed Circuit Board Connector Wiring Diagram Si12 619A 76 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Control Specification Si12 619A 118 Function and Control ...
Страница 146: ...Si12 619A Instruction Operation Manual 133 Duct Connected Type Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 213: ...Instruction Si12 619A 200 Operation Manual ...
Страница 283: ...Check Si12 619A 270 Service Diagnosis ...
Страница 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Страница 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Страница 399: ...Si12 619A vi Index ...