Daikin FXFQ12MVJU, Installation Manual

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10
9. ELECTRIC WIRING WORK
9-1 GENERAL INSTRUCTIONS
• All field supplied parts and materials, electric works must
conform to local codes.
• Use copper wire only.
• Follow the “WIRING DIAGRAM” attached to the unitbody to
wire the outdoor unit, indoor units and the remote controller.
For details on hooking up the remote controller, refer to the
“INSTALLATION MANUAL OF REMOTE CONTROLLER”.
• All wiring must be performed by an authorized electrician.
• This system consists of multiple indoor units. Mark each
indoor unit as unit A, unit B . . . , and be sure the terminal
board wiring to the outdoor unit and BS unit are properly
matched. If wiring and piping between the outdoor unit and
an indoor unit are mismatched, the system may cause a mal-
function.
• A circuit breaker capable of shutting down the power supply
to the entire system must be installed.
9-2 ELECTRICAL CHARACTERISTICS
MCA: Min. Circuit Amps (A) MFA: Max. Fuse Amps (A)
kW: Fan Motor Rated Output (W) FLA: Full Load Amps (A)
9-3 SPECIFICATIONS FOR FIELD SUPPLIED
FUSES AND WIRE
Allowable length of transmission wirings and remote controller
wiring are as follows.
(1) Outdoor unit – Indoor unit:
Max. 3280 ft. (Total wiring length: 6560 ft.)
(2) Indoor unit – Remote controller:
Max. 1640 ft.
10. WIRING EXAMPLE AND HOW TO SET
THE REMOTE CONTROLLER
10-1 HOW TO CONNECT WIRINGS
〈 Methods of wiring power supply, units and connecting remote
controller wirings
〉
• Power supply wiring
Remove the electric parts box lid (1) and connect wires to the
power supply terminal block (3P) inside. In doing this, pull the
wires inside through rubber bush A and clamp the wires
along with other wires using clamp A, untightening the clip of
clamp A by pressing. After the connection, tighten clamp A
as before.
• Unit wiring and remote controller wiring
Remove the electric parts box lid (2) and pull the wires inside
through rubber bush B and connect to the terminal block for
unit transmission wirings (6P).
• After connection, attach sealing pad
(Be sure to attach it to prevent water from infiltrating the unit
from the outside.)
Units
Power
supply
Fan motor
Model Hz Volts
Voltage
range
MCA MFA W FLA
FXFQ12 MVJU
60
208-
230V
Max.
253
Min. 187
0.6 15 45 0.5
FXFQ18 MVJU 0.7 15 45 0.6
FXFQ24MVJU 0.8 15 45 0.6
FXFQ30MVJU 1.2 15 90 1.0
FXFQ36MVJU 1.2 15 90 1.0
Model
Power supply wiring
Transmission
wiring
Field fuses
Size Wire Size
FXFQ12 MVJU
15A
Wire size
must
comply with
local codes.
Sheathed wire
(2 wire) AWG
18-16
FXFQ18MVJU
FXFQ24MVJU
FXFQ30MVJU
FXFQ36MVJU