Electric Wiring Work - Daikin FXLQ-M Series Engineering Data

EDUS391502-F7
CAUTION
Drain piping connections
Do not connect the drain piping directly to sewage pipes
that smell of ammonia. The ammonia in the sewage might
enter the indoor unit through the drain pipes and corrode
Keep in mind that it will become the cause of getting drain
pipe blocked if water collects on drain pipe.

8. ELECTRIC WIRING WORK

8-1 GENERAL INSTRUCTIONS
Make sure that all electric wiring work is carried out by
and this installation manual, using a separate dedicated
circuit.
This equipment can be installed with a Ground-Fault Circuit
Interrupter (GFCI). Although this is a recognized measure
for additional protection, with the grounding system in North
America, a dedicated GFCI is not necessary.
Do not turn on the power supply (branch switch, branch
Multiple number of indoor units are connected to one out-
door unit. Name each indoor unit as A-unit, B-unit ..... and
the like. When these indoor units are wired to the outdoor
unit and the Branch Selector unit, always wiring the indoor
unit to the terminal indicated with the same symbol on the
terminal block. If the wiring and the piping are connected
to the incorrect indoor units and operated, it will result in
malfunction.
Make sure to ground the air conditioner.
Grounding resistance should be according to applicable
legislation.
Do not connect the ground wiring to gas or water pipings,
lightning conductor or telephone ground wiring.
Gas piping .................
the gas leaks.
Water piping ..............Hard vinyl tubes are not effective
ground.
Lightning conductor or telephone ground wiring ..............
Electric potential may rise abnormally if struck by a light-
ning bolt.
For electric wiring work, refer to also the WIRING DIA-
Carry out wiring between the outdoor units, indoor units
and the remote controllers according to the wiring diagram.
Carry out installation and wiring of the remote controller
according to the installation manual attached to the remote
controller.
Do not touch the Printed Circuit Board assembly. It may
cause malfunction.
3P086154-3R
FXLQ-M / FXNQ-M
English
8-2 ELECTRICAL CHARACTERISTICS
Units
Voltage
Model Hz Volts
range
FXLQ07 · 09MVJU,
FXNQ07 · 09MVJU
FXLQ12MVJU, 208-
60
FXNQ12MVJU 230 Min. 187
FXLQ18 · 24MVJU,
FXNQ18 · 24MVJU
W: Fan Motor Rated Output (W); FLA: Full Load Amps (A)
8-3 SPECIFICATION FOR FIELD SUPPLY FUSES
AND WIRING
Power supply wiring
MOP
Size
Wiring size and
stranded non-
length must
15A shielded copper
comply with local
cable PVC/vinyl
codes.
jacket (NOTE 2)
The lengths of remote controller wiring and transmission wir-
ings are as follows:
(1) Remote controller wiring (indoor unit - remote controller)
........................................................
(2) Transmission wirings
................................ Total wiring length 6,560 ft. (2,000 m)
Outdoor unit - Indoor unit
.................................................
Outdoor unit - Branch Selector unit
.................................................
Branch Selector unit - Indoor unit
.................................................
Indoor unit - Indoor unit
.................................................
NOTE
1. Shows only in case of protected piping. Use H07RN-F in
case of no protection.
2. Vinyl cord with sheath or cable (Insulated thickness :
Appendix
Power
Fan motor
supply
MCA MOP W FLA
0.3 15 15 0.2
0.5 15 25 0.4
0.6 15 35 0.5
Remote controller wiring
Transmission wiring
Wiring Size
2-conductor,
AWG
18-16
8
3P086154-3R
8