17 Technical data
Installation and operation manual
23
FXMA-A
VRV system air conditioner
3P680922-1A – 2022.01
If you want to
set…
Then
(1)
Example
M
SW
—
0°C
12 (22)
4
01
cooling 24°C/heating
24°C
1°C
02
cooling 24°C/heating
23°C
2°C
03
cooling 24°C/heating
22°C
3°C
04
cooling 24°C/heating
21°C
4°C
05
cooling 24°C/heating
20°C
5°C
06
cooling 24°C/heating
19°C
6°C
07
cooling 24°C/heating
18°C
7°C
08
cooling 24°C/heating
17°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…
Then
(1)
M
SW
—
Disabled
12 (22)
5
01
Enabled
02
Setting: T1/T2 input setting
WARNING
In case of R32 refrigerant, terminal connections T1/T2 are
for fire alarm input ONLY. Fire alarm has a higher priority
than R32 safety and shuts the entire system down.
T1
T2
X1M
a
a
Fire alarm input signal (potential free contact)
Remote control is available by transmission the external input to the
terminals T1 and T2 on the terminal block for the user interface and
the transmission wiring.
F2
T1
OFF
FORCED
T2
Input A
b
a
a
Forced OFF
b
Input A
Wiring requirements
Wiring specification
Sheathed vinyl cord or 2-core
cable
Wiring size
0.75~1.25 mm
2
Wiring length
Maximum 100 m
External contact specification
Contact that can make and break
the min. load of DC15 V · 1 mA
This setting must correspond with the needs of the user.
If you want to set…
Then
(1)
M
SW
—
Forced OFF
12 (22)
1
01
ON/OFF Operation
02
Emergency (recommended for alarm
operation)
03
Forced OFF - multi tenant
04
Interlocking setting A
05
Interlocking setting B
06
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).
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
Protective earth
Connection
Protective earth (screw)
,
Connector
A
,
Rectifier
Earth
Relay connector
Field wiring
Short-circuit connector
Fuse
Terminal
INDOOR
Indoor unit
Terminal strip
OUTDOOR
Outdoor unit
Wire clamp
Residual current
device
Symbol
Colour
Symbol
Colour
BLK
Black
ORG
Orange
BLU
Blue
PNK
Pink
BRN
Brown
PRP, PPL
Purple
GRN
Green
RED
Red
GRY
Grey
WHT
White
SKY BLU Sky blue
YLW
Yellow
Symbol
Meaning
A*P
Printed circuit board
BS*
Pushbutton ON/OFF, operation
switch
(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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