20 | Configuration
Installer and user reference guide
69
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
20 Configuration
20.1 Field setting
Make the following field settings so that they correspond with the actual
installation setup and with the needs of the user:
▪ Ceiling height
▪ Static pressure
▪ Air volume when thermostat control is OFF
▪ Time to clean air filter
▪ Thermostat sensor selection
▪ Differential for automatic changeover
▪ Auto-restart after power failure
INFORMATION
▪ The fan speed of the indoor unit is preset to ensure the standard external static
pressure.
▪ To set a higher or lower external static pressure, reset the initial setting with the
user interface.
Setting: Ceiling height
This setting must correspond with the actual distance to the floor, capacity class
and air flow directions.
If the distance to the floor is (m) Then
(1)
M SW —
≤2.7 13 (23) 0 01
2.7<x≤3.0 02
3.0<x≤3.5 03
Setting: Static pressure
Change the value number (—) in accordance with the external static pressure of
the duct to be connected as in the table below. See technical documentation for
details.
Setting
(1)
External static pressure
M SW —
13(23) 5 01 Standard
02 High static pressure setting
Setting: Air volume when thermostat control is OFF
This setting must correspond with the needs of the user. It determines the fan
speed of the indoor unit during thermostat OFF condition.
(1)
Field settings are defined as follows:
• M: Mode number – First number: for group of units – Number between brackets: for individual unit
• SW: Setting number
• —: Value number
• : Default
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