Emergency Operation; Forced Operation - Daikin RZQG71L9V1 Service Manual

Emergency Operation

4. Emergency Operation

4.1

Forced Operation

As emergency operational methods, there are three methods as shown below. Choose the best
method that is suitable for each purpose of use.
Name Application Setting method
Emergency
Forced
operation
(1) operation
(Forced
in service
operation)
When
checking
(2) Test the
Operation operation
after
installation
When the
wireless
(3) Emergency
remote
operation
controller
is lost
Emergency Operation (Forced operation)
1. Turn off the power supply.
2. Changeover the switch of indoor unit PCB (SS1) from NORM (Normal) to EMG
3. Changeover the switches of outdoor unit PCB (DS1) as shown below.
4. When the power is turned ON, the operation will be forcibly activated.
(Precautions)
1. Make sure that the power is turned off before changing the switch.
2. When returning to the normal operation, make sure that the power is turned off before
3. When the protection device is activated during the emergency operation, the unit stops the
4. When there is an error on PCB, the emergency operation cannot be used.
92
Thermistor
detection
By SS1 switch
of indoor unit
PCB
By DS switch of
outdoor unit
PCB
By Inspection /
Test Operation
button of the
remote
controller
By Test
Operation
button of
outdoor PCB
Press the
"Emergency
operation"
switch of the
indoor unit
panel.
(Emergency).
Factory setting
returning each switch to the original position.
operation once and restarts three minutes later.
Activation
of
Fan
protection
device
× ×
k
× ×
k
×
k k
k k k
NORM. EMG. NORM.
Factory setting Emergency operation
ON ON
1 2 1 2
1 2 1 2
Cooling
Operation
Drain
Pump
k
No temperature
control
—
No temperature
k
control
Remote controller
transmission stop,
k
actuators such as fan
and pump are ON
EMG.
ON
1 2
1 2
Heating
ESIE15-13C
Remark
Field Setting