Technical Data; Wiring Diagram; Unified Wiring Diagram Legend - Daikin FXFN71A2VEB Installation And Operation Manual

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/C1 —/C2
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
Function for refrigerant leak detection
If the CO refrigerant leak detector (field supply) is connected to the
2
indoor unit (symbols T1, T2), setting —/C2 of mode 12(22) must be
changed to 08. See "7.3.1 About refrigerant leak
If the CO refrigerant
2
leak detector (field
supply) is...
NOT installed 12(22)
Installed
▪ 2 or more user interfaces: When using 2 or more user
interfaces, one must be set to "MAIN" and the other to "SUB". For
setting procedure see the installation and operation manual of the
used user interface.
17

Technical data

▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
(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 / C1: First code number
• —: Value number / C2: Second code number
• : Default
FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
3P672850-1B – 2022.01
(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/C1 —/C2
12 (22) 5 01
02
detection" [ 4 11].
(1)
Then
M SW/C1 —/C2
1 01
08
17.1

Wiring diagram

17.1.1

Unified wiring diagram legend

For applied parts and numbering, refer to the wiring diagram on the
unit. Part numbering is by Arabic numbers in ascending order for
each part and is represented in the overview below by "*" in the part
code.
Symbol Meaning Symbol Meaning
Circuit breaker
Connection
A
,
Connector
Earth
Field wiring
Fuse
Indoor unit
INDOOR
Outdoor unit
OUTDOOR
Residual current
device
Symbol Colour Symbol
BLK Black ORG
BLU Blue PNK
BRN Brown PRP, PPL
GRN Green RED
GRY Grey WHT
SKY BLU Sky blue YLW
Symbol
A*P
BS*
BZ, H*O
C*
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*, NE
D*, V*D
DB*
DS*
E*H
FU*, F*U, (for characteristics,
refer to PCB inside your unit)
FG*
H*
H*P, LED*, V*L
HAP
HIGH VOLTAGE
17 Technical data
Protective earth
Protective earth (screw)
Rectifier
Relay connector
Short-circuit connector
Terminal
Terminal strip
Wire clamp
Colour
Orange
Pink
Purple
Red
White
Yellow
Meaning
Printed circuit board
Pushbutton ON/OFF, operation
switch
Buzzer
Capacitor
Connection, connector
Diode
Diode bridge
DIP switch
Heater
Fuse
Connector (frame ground)
Harness
Pilot lamp, light emitting diode
Light emitting diode (service
monitor green)
High voltage
Installation and operation manual
23