To Operate The System (Without Cool/Heat Changeover Remote Control Switch); To Operate The System (With Cool/Heat Changeover Remote Control Switch) - Daikin RDXYQ5T8V1B Installer And User Manual

7 | Operation

7.3.4 To operate the system (WITHOUT cool/heat changeover remote control switch)

7.3.5 To operate the system (WITH cool/heat changeover remote control switch)

Installer and user reference guide
28
1 Press the operation mode selector button on the user interface several times
and select the operation mode of your choice.
Cooling operation
Heating operation
Fan only operation
2 Press the ON/OFF button on the user interface.
Result: The operation lamp lights up and the system starts operating.
Overview of the changeover remote control switch
a
b
Note: In case a cool/heat changeover remote control switch is used, the position of
DIP switch 1 (DS1-1) on the main PCB needs to be switched to the ON position.
To start
1 Select operation mode with the cool/heat changeover switch as follows:
Cooling operation
1 1
1
2 Press the ON/OFF button on the user interface.
Result: The operation lamp lights up and the system starts operating.
To stop
3 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops operating.
NOTICE
Do not turn off power immediately after the unit stops, but wait for at least 5
minutes.
a FAN ONLY/AIR CONDITIONING SELECTOR
SWITCH
Set the switch to
for heating or cooling operation.
b COOL/HEAT CHANGEOVER SWITCH
Set the switch to
heating
Heating operation
1
1 1
for fan only operation or to
for cooling or to for
Fan only operation
1 1
RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12