21 Configuration
21.1 Field setting
(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
FXHA-A
VRV system air conditioner
4P673749-1A – 2022.11
Make the following field settings so that they correspond with the actual
installation setup and with the needs of the user:
▪
Ceiling height
▪
Air volume when thermostat control is OFF
▪
Time to clean air filter
▪
Thermostat sensor selection
▪
Thermostat differential changeover (if remote sensor is used)
▪
Automatic changeover differential
▪
Auto-restart after power failure
▪
T1/T2 input setting
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 and the capacity
class.
If the distance to the floor is (m)
FXHA32~63
≤2.7
2.7<x≤3.5
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 If you have set the fan to operate, set the air volume speed:
FXHA100
M
≤3.8
13 (23)
3.8<x≤4.3
21
Configuration
|
(1)
Then
SW
—
0
01
02
Installer and user reference guide
77