Forced Operation - Daikin Super Multi NX FFQ25B8V1B Service Manual

Forced Operation

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
Conditions
Start
Operating room
Command
frequency
End
Others
440
Item Forced Cooling
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 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.
Press the forced operation ON/OFF
switch (SW1) on the outdoor unit.
All rooms:
The command is sent to all the rooms
where the transmission is normal.
• 50-58 class : 52 Hz
• 68/75 class : 42 Hz
• 80/90 class : 31 Hz
1) Press the forced operation ON/OFF
switch (SW1) on the outdoor unit again.
2) The operation ends automatically
after 15 minutes.
The protection functions are prior to all
others in the forced operation.
Forced Heating
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.
4) The operation mode switch (SW2) on
the outdoor unit is set to the heating
mode.
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.
(Outdoor temperature : 2°C)
• 50-58 class : 42 Hz
• 68/75 class : 35 Hz
• 80/90 class : 26 Hz
2) The operation ends automatically
after 60 minutes.
Service monitor PCB
Operation mode
switch (SW2)
Trial Operation and Field Settings
SiBE121021_C
←
←
←
←
←
Forced operation
ON/OFF switch
(SW1)
(R12870)