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M
SW
—
External static pressure (Pa)
13(23)
6
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
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:
If you want...
(2)
During thermostat
LL
OFF at cooling
Setup volume
operation
(a)
OFF
Monitoring 1
Monitoring 2
(2)
During thermostat
LL
OFF at heating
Setup volume
operation
(a)
OFF
Monitoring 1
Monitoring 2
(a)
Only use in combination with optional remote sensor or when
setting M 10 (20), SW 2, — 03 is used.
Setting: Time to clean air filter
This setting must correspond with the air contamination in the room.
It determines the interval at which "Time to clean filter" notification
is displayed on the user interface.
If you want an interval of...
(air contamination)
±2500 h (light)
±1250 h (heavy)
Notification ON
Notification OFF
(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
(2)
Fan speed:
• LL: Low fan speed (set during thermostat OFF)
• L: Low fan speed (set by the user interface)
• Setup volume: The fan speed corresponds to the speed the user has set (low, medium, high) using the fan speed button on the user
interface.
• Monitoring 1, 2: The fan is OFF, but runs for a short time every 6 minutes to detect the room temperature by LL (Monitoring 1) or by L
(Monitoring 2).
FXMA-A
VRV system air conditioner
3P688304-1 – 2022.03
(1)
50
75
100
115
130
150
160
175
190
200
210
220
230
240
250
(1)
Then
M
SW
—
12 (22)
6
01
(2)
02
03
(2)
04
(2)
05
12 (22)
3
01
(2)
02
03
(2)
04
(2)
05
(1)
Then
M
SW
—
10 (20)
0
01
02
3
01
02
Setting: Thermostat sensor selection
This setting must correspond with how/if the remote controller
thermostat sensor is used.
When the remote controller thermostat
sensor is...
Used in combination with indoor unit
thermistor
Not used (indoor unit thermistor only)
Used exclusively
Setting: Thermostat differential changeover (if remote sensor is
used)
If the system contains a remote sensor, set the increase/decrease
increments.
If you want to change increments to...
1°C
0.5°C
Setting: Differential for automatic changeover
Set temperature difference between cooling setpoint and heating
setpoint in automatic mode (availability depends on the system
type). Differential is cooling setpoint minus heating setpoint.
If you want to
Then
set...
M
SW
0°C
12 (22)
1°C
2°C
3°C
4°C
5°C
6°C
7°C
Setting: Auto-restart after power failure
Depending on the needs of the user, you may disable/enable the
automatic restart after a power failure.
If you want auto-restart after power
failure...
Disabled
Enabled
16 Configuration
(1)
Then
M
SW
—
10 (20)
2
01
02
03
(1)
Then
M
SW
—
12 (22)
2
01
02
(1)
Example
—
4
01
cooling 24°C/heating
24°C
02
cooling 24°C/heating
23°C
03
cooling 24°C/heating
22°C
04
cooling 24°C/heating
21°C
05
cooling 24°C/heating
20°C
06
cooling 24°C/heating
19°C
07
cooling 24°C/heating
18°C
08
cooling 24°C/heating
17°C
(1)
Then
M
SW
—
12 (22)
5
01
02
Installation and operation manual
21
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