Dew Condensation Prevention Control - Daikin VRV RXYMQ-A Series Service Manual

Outline of Control (Indoor Unit)
8.9

Dew Condensation Prevention Control

8.9.1 FXFSQ-AR Models
Indoor operation under a certain condition will limit the swing range of the flaps.
Refer to the table below for flap action under this control.
Flap setting
P0
P1
P2
P3
P4
Swing
8.9.2 FXAQ-AR Models
In cooling and dry operation, the following control is carried out in order to prevent dew
condensation when the horizontal blade blows air downward.
Starting condition
&
Dew condensation prevention control
Dry operation with horizontal airflow (Position C) is carried out for 1 hour.
Note(s)
When there is any change to fan operation, airflow direction and operation ON/OFF state during
dew condensation prevention control, this control is canceled.
78
Dew condensation
prevention control OFF
● Horizontal blade is set to downward flow (Position A)
● Cooling operation (compressor operation) continues for B minutes.
Position A
B (minutes)
Position C
Position P0 continues
for 30 minutes.
prevention control in action
Thermostat OFF
Indoor unit
P0
P1
P2
P4
P3
Flap position
AIR
(Observed horizontally)
Dew condensation prevention control
OFF
P0
P1
P2
P3
P4
P0 – P4
Indoor unit
P0
P1
P2
P4
P3
Flap position
AIR
(Observed horizontally)
FXAQ-AR
SiME332106E
Dew condensation
In action
P1
P1
P2
P3
P4
P1 – P4
P4
20
P3
Part 4 Functions and Control