Daikin FXFQ20BVEB - Page 19

16 Configuration
Installation and operation manual
19
FXFQ20~125BVEB
VRV system air conditioner
4P540926-1F – 2023.06
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 air flows (which require an optional blocking
pad kit), see the installation manual of the optional blocking pad
kit.
▪ For all-round air flow, use the table below.
If the distance to the floor is (m) Then
(1)
FXFQ20~63 FXFQ80~125 M SW —
≤2.7 ≤3.2 13 (23) 0 01
2.7<x≤3.0 3.2<x≤3.6 02
3.0<x≤3.5 3.6<x≤4.2 03
Setting: Decoration panel type
When installing or changing the decoration panel type, ALWAYS
check if the correct values are set.
If the … decoration panel is used Then
(1)
M SW —
Standard or self-cleaning 13
(23)
15 01
Design 02
Setting: Airflow direction
This setting must correspond with the actual used airflow directions.
See the installation manual of the optional blocking pad kit and the
manual of the user interface.
Default: 01 (= all-round air flow)
Example:
1
2
3
4
1
2
3
4
1
2
3
a b c
a All-round air flow
b 4-way air flow (all air outlets open, 2 corners closed)
(optional blocking pad kit required)
c 3-way air flow (1 air outlet closed, all corners open)
(optional blocking pad kit required)
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… Then
(1)
M SW —
During thermostat
OFF at cooling
operation
LL
(2)
12
(22)
6 01
Setup volume
(2)
02
OFF 03
Monitoring 1
(2)
04
Monitoring 2
(2)
05
During thermostat
OFF at heating
operation
LL
(2)
12
(22)
3 01
Setup volume
(2)
02
OFF 03
Monitoring 1
(2)
04
Monitoring 2
(2)
05
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)
Then
(1)
M SW —
±2500h (light) 10 (20) 0 01
±1250h (heavy) 02
Notification ON 3 01
Notification OFF 02
Individual setting in a simultaneous operation system
We recommend using the optional user interface to set the slave
unit.
Perform the following steps:
2 Change the second code number to 02 to perform individual
setting on the slave unit.
If you want to set the slave unit as… Then
(1)
M SW —
Unified setting 21(11) 01 01
Individual setting 02
3 Perform field setting for the master unit.
4 Turn off the main power supply switch.
5 Disconnect the remote controller from the master unit and
connect it to the slave unit.
6 Change to individual setting.
7 Perform field setting for the slave unit.
8 Turn off the main power supply or, in case of more slave units,
repeat the previous steps for all slave units.
9 Disconnect the user interface from the slave unit and reconnect
it to the master unit.
It is not necessary to rewire the remote controller from the master
unit if the optional user interface is used. (However, remove the
wires attached to the user interface terminal board of the master
unit)
(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).