20 | Configuration
Installer and user reference guide
74
FXFA20~125A2VEB
VRV system air conditioner
4P599624-1A – 2020.06
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
▪ Decoration panel type
▪ Air flow direction range
▪ Air volume when thermostat control is OFF
▪ Time to clean air filter
▪ Thermostat sensor selection
▪ Thermostat differential changeover (if remote sensor is used)
▪ Differential automatic changeover
▪ Auto-restart after power failure
INFORMATION
▪ The connection of optional accessories to the indoor unit might cause changes to
some field settings. For more information, see the installation manual of the
optional accessory.
▪ Following setting are only applicable when using the BRC1H52* user interface.
When using any other user interface, see the installation manual or service
manual of the user interface.
Setting: Ceiling height
This setting must correspond with the actual distance to the floor, capacity class
and air flow directions.
▪ For 3-way and 4-way airflows (which require an optional blocking pad kit), see
the installation manual of the optional blocking pad kit.
▪ For all-round airflow, use the table below.
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: Decoration panel type
When installing or changing the decoration panel type, ALWAYS check if the
correct values are set.
(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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