Daikin RZQ Series FCQ20EVA Service Manual page 56

Function Details
4.2.25 Simulated Operation Function
 RZQ20/24LVA
When an error on one of the below thermistors occurs, operation will continue while displaying the applicable
alarm on the remote controller. Radiation fin thermistor error is only displayed when pressing the
INSPECTION/TEST button on the remote controller.
Applicable thermistors
· Outdoor air thermistor
· Outdoor unit heat exchanger distributor pipe thermistor (Cooling)
· Radiation fin thermistor
· Discharge pipe thermistor
· Indoor unit suction air thermistor
Note: Simulated operation will not be conducted in case the below mentioned thermistors are
defective:
 RZQ36/45LVA
In case of a thermistor error, simulated operation is performed in 2 different ways as shown below even while
the error is detected.
A. Operation continues while the error code is displayed on the remote controller.
Applicable thermistors
· Outdoor air thermistor
· Heat exchanger distributor pipe thermistor (Cooling)
· Intermediate heat exchanger thermistor (Heating)
· Liquid pipe thermistor
· Indoor unit suction air thermistor
· Indoor unit heat exchanger thermistor
B. Operation continues even the error is detected. Only when the INSPECTION/TEST button is pressed, the
error code is displayed.
Applicable thermistors
· Remote controller thermistor
· Radiation fin thermistor
Note: In case of a thermistor error other than A and B above, a abnormal stop is made and no
simulated operation is carried out.
Applicable thermistors
· Suction pipe thermistor
· Discharge pipe thermistor
· Heat exchanger distributor pipe thermistor (Heating)
· Intermediate heat exchanger thermistor (Cooling)
 RZQ45/48MYL
When an error on one of the below thermistors occurs, operation will continue while displaying the applicable
alarm on the remote controller. Radiation fin thermistor error is only displayed when pressing the
INSPECTION/TEST button on the remote controller.
· Outdoor air thermistor
· Outdoor air heat exchanger thermistor
· Radiation fin thermistor
· Discharge pipe thermistor
· Indoor unit suction air thermistor
· Indoor heat exchanger thermistor
Note: Simulated operation will not be conducted in case the below mentioned thermistors are
defective:
47
· Suction pipe thermistor
· Indoor unit heat exchanger thermistor
· Outdoor unit heat exchanger distributor pipe thermistor (Heating)
· Suction air thermistor
· Indoor heat exchanger thermistor
· Outdoor air heat exchanger thermistor
SiME281501E
Function and Control