Daikin RTSQ20PY1 Service Manual page 134

Outline of Control (Indoor Unit)
If a humidifier is connected and the "Drain pump / Humidifier interlock" parameter is set to
"Enabled" while in filed setting mode, the following control will be conducted.
1. Float switch activation (1), etc.
*6: While in operation with thermostat ON, the drain pump repeats 20-min. OFF and 3-min. ON
*7: If the float switch is activated, the drain pump will conduct residual operation for a period of
*8: If the thermostat turns OFF, the drain pump will conduct residual operation for a period of
2. Float switch activation (2), etc.
*9: If the thermostat turns OFF, the drain pump will conduct residual operation for a period of
*10: If the float switch is not reset within a period of 5 minutes after it is activated, the remote
123
ON
Thermostat (running)
OFF
ON
Humidifier
OFF
OFF
Float switch
ON
ON
Drain pump
OFF
operation.
5 minutes.
20 minutes.
ON
Thermostat (running)
OFF
ON
Humidifier
OFF
OFF
Float switch
ON
ON
Drain pump
OFF
20 minutes regardless of its operating status.
controller will display the malfunction code "A3" and the system will make a stop due to
malfunction.
20 min. 3 min. 20 min. 3 min.
*6
Stop due to the "A3"
malfunction of remote controller
20 min. 5 min. 20 min.
5 sec.
*9 *10
SiBE31-801_C
5 min. 20 min.
5 sec.
*7 *8
Function