Daikin RZQG71~140L7V1B, Service Manual

Page: 163 / 279

Emergency Operation ESIE12-06
152 Field Setting
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.
Emergency Operation (Forced operation)
1. Turn off the power supply.
2. Changeover the switch of indoor unit PCB (SS1) from NORM (Normal) to EMG
(Emergency).
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
returning each switch to the original position.
3. When the protection device is activated during the emergency operation, the unit stops the
operation once and restarts three minutes later.
4. When there is an error on PCB, the emergency operation cannot be used.
Name Application Setting method
Operation
Thermistor
detection
Activation
of
protection
device
Fan
Drain
Pump
Remark
(1)
Emergency
operation
(Forced
operation)
Forced
operation
in service
By SS1 switch
of indoor unit
PCB
× × k k
No temperature
control
By DS switch of
outdoor unit
PCB
× ×
k
—
(2) Test
Operation
When
checking
the
operation
after
installation
By Inspection /
Test Operation
button of the
remote
controller
× k k k
No temperature
control
By Test
Operation
button of
outdoor PCB
(3) Emergency
operation
When the
wireless
remote
controller
is lost
Press the
"Emergency
operation"
switch of the
indoor unit
panel.
k k k k
Remote controller
transmission stop,
actuators such as fan
and pump are ON
Factory setting Emergency operation
NORM. EMG. NORM. EMG.
COOL ON
1
OFF
2
HEAT
ON
1
2
COOL ON
1
OFF
2
HEAT
ON
1
2
COOL ON
1
OFF
2
HEAT
ON
1
2
Factory setting Cooling Heating