Table of Contents
Advertisement
a
7
c
a
User interface cable and transmission cable
b
Power supply cable
c
Service cover with wiring diagram
5 Plastic clamp for tie wrap (for transmission cable): Pass tie
wraps through the plastic clamps and fasten to fix the cables.
6 Cable clamp (for power supply cable): Fix the cable with the
cable clamp.
a
Plastic clamp for tie wrap
b
Opening for cables
c
Cable clamp
7 Wrap the sealing (field supply) around the cables to prevent
water from entering the unit. Seal all gaps to prevent small
animals from entering the system.
8 Reattach the service cover.
Complete system example
1 user interface controls 1 indoor unit.
F
F
F
F
Q
Q
1
2
1
2
1
2
a
TO IN/D
TO OUT/D
TO MULTI UNIT
F
F
F
F
1 2
F
F
F
F
F
F
1
2
1
2
1
2
1
2
1
2
OUTDOOR UNIT
BS UNIT FAN FEEDBACK
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C INDOOR UNIT D
N
L
N
L
N L
N L
P
P
F
F
T
T
1
2
1
2
1
2
c
d
P
P
1
2
a
Outdoor unit
b
Multi BS unit
c
Indoor unit
d
User interface
NOTICE
For the use of group control and related limitations refer to
manual of outdoor unit.
FXMA-A
VRV system air conditioner
3P688304-1 – 2022.03
70~90
b
10~15
L N
a
b c
b
F
F
1
2
N
L
N L
P
P
F
F
T
T
P
P
F
F
T
T
1
2
1
2
1
2
1
2
1
2
1
2
P
P
P
P
1
2
1
2
CAUTION
▪ Each indoor unit has to be connected to a separate
user interface. Only a safety system compatible remote
controller can be used as the user interface. See
technical data sheet for remote controller compatibility
(e.g. BRC1H52/82*).
▪ The user interface has to be put in the same room as
the indoor unit. For details, please refer to the
installation and operation manual of the user interface.
CAUTION
In case shielded wire is used, connect the shielding to the
outdoor unit side only.
15
Commissioning
NOTICE
General
commissioning
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
15.1
Checklist before commissioning
1 After the installation of the unit, check the items listed below.
2 Close the unit.
3 Power up the unit.
You read the complete installation and operation
instructions, as described in the installer and user
reference guide.
Installation
Check that the unit is properly installed, to avoid abnormal
noises and vibrations when starting up the unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
Ducting
Make sure the ducting is properly installed and insulated.
Field wiring
Be sure that the field wiring has been carried out
according to the instructions described in the chapter
installation" [ 4 18], according to the wiring
"14 Electrical
diagrams and according to the applicable legislation.
Power supply voltage
Check the power supply voltage on the local supply panel.
The voltage MUST correspond to the voltage on the
nameplate of the unit.
Earth wiring
Be sure that the earth wires have been connected
properly and that the earth terminals are tightened.
15 Commissioning
checklist.
Next
to
the
Installation and operation manual
19
Advertisement
Table of Contents
