Forced Operation SiBE121021_C
440 Trial Operation and Field Settings
2. Forced Operation
Outline Forced operation mode includes forced cooling and forced heating. Operation mode can be
selected by the operation mode switch (SW2) on the outdoor unit. Press the forced operation
ON/OFF switch (SW1) on the outdoor unit to start the operation.
Detail
Item Forced Cooling Forced Heating
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 standby mode.
←
3) The operating mode of the outdoor
unit is the stop mode.
←
4) The operation mode switch (SW2) on
the outdoor unit is set to the cooling
mode.
4) The operation mode switch (SW2) on
the outdoor unit is set to the heating
mode.
Start Press the forced operation ON/OFF
switch (SW1) on the outdoor unit.
←
Operating room All rooms:
The command is sent to all the rooms
where the transmission is normal.
Only 1 room:
The command is sent to one of the
rooms which can be operate and the
order of priority is A>B>C>D>E. Other
rooms operation must be stopped.
Command
frequency
• 50-58 class : 52 Hz
• 68/75 class : 42 Hz
• 80/90 class : 31 Hz
(Outdoor temperature : 2°C)
• 50-58 class : 42 Hz
• 68/75 class : 35 Hz
• 80/90 class : 26 Hz
End 1) Press the forced operation ON/OFF
switch (SW1) on the outdoor unit again.
←
2) The operation ends automatically
after 15 minutes.
2) The operation ends automatically
after 60 minutes.
Others The protection functions are prior to all
others in the forced operation.
←
Service monitor PCB
Operation mode
switch (SW2)
Forced operation
ON/OFF switch
(SW1)
(R12870)
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