Daikin REYQ72-432XAYCU, Service Manual

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SiUS371901EB Field Settings for Indoor Unit
Part 5 Field Settings and Test Operation 214
1.4.31 Drain Pump Operation Settings (for FXMQ-PB models)
The drain pump operation can be disabled for natural drainage by changing the following field
setting.

: Factory setting
1.4.32 Humidification when Heating Thermostat is OFF
Setting to "Humidification Setting" turns ON the humidifier if suction air temperature is 20°C (68°F)
or above and turns OFF the humidifier if suction air temperature is 18°C (64.4°F) or below when the
heating thermostat is OFF.

: Factory setting
1.4.33 Setting of Direct Duct Connection
This is used when "fresh air intake kit equipped with fan" is connected. If the second code is set to
02: Equipped, energy recovery ventilator fan conducts the fan residual operation by linking to
indoor unit. The indoor fan carries out residual operation for one minute after the thermostat is
stopped. (For the purpose of preventing dust on the air filter from falling off.)

: Factory setting
1.4.34 Interlocked Operation between Humidifier and Drain Pump
This is used to interlock the humidifier with the drain pump. When water is drained out of the unit,
this setting is unnecessary.

: Factory setting
1.4.35 Individual Setting of Ventilation
This is set to perform individual operation of Energy recovery ventilator using the remote
controller/central unit when Energy recovery ventilator is built in.
(Switch only when Energy recovery ventilator is built in.)

: Factory setting
Mode
No.
First Code
No.
Second Code
No.
Contents
15 (25) 0
01 —
02

ON

03 OFF
Mode
No.
First Code
No.
Second Code
No.
Contents
15 (25) 1
01

Not equipped

02 Equipped
Mode
No.
First Code
No.
Second Code
No.
Contents
15 (25) 2
01

Not interlocked

02 Interlocked
Mode
No.
First Code
No.
Second Code
No.
Contents
15 (25) 3
01

Not interlocked

02 Interlocked
Mode
No.
First Code
No.
Second Code
No.
Contents
15 (25) 5
01

— (Normal)

02 Individual