Daikin FXVQ125MY1 Installation Manual page 8

<Method of wiring for the wiring between indoor unit
and outdoor unit, the earth wiring and the power supply
wiring>
(1) Remove the front panel (lower).
(2) Fix the each wire on the control box with the attached
clamp.
(3) For wiring specifications, refer to the [DETAILS OF
STANDARD DEVICES].
CAUTION
Apply putty or insulation material (Field supply) without
any clearance on the wiring intake section to prevent small
animals from entering the unit.
(If small animals such as insects enter the inside of the unit, it
may cause short circuit in the control box.)
Connect the wire securely using designated wire and fix it
with attached clamp without applying external pressure on
the terminal parts.
Make sure the wiring and the control box lid do not stick up
above the structure, and close the control box lid firmly.
8-1 REMOVE THE FRONT PANEL (LOWER)
When removing the front panel (lower), there is the control
box.
Front panel ( lower )
Front panel
( lower )
Remove the screw attached
front panel ( lower ) .
8-2 EXTERNAL WIRING METHOD
<125-250 type>
Wiring from right side
Terminal block Terminal block for the
for power wiring between indoor
supply wiring unit and outdoor unit
Control box
Earth terminal
Wiring from left side
Terminal block
for power
supply wiring
Pass the attached clamp through
the resin clamp, and bundle each
wiring in one and fix them.
7
Screw
Pass the attached clamp through
the resin clamp, and bundle each
wiring in one and fix them.
Earth terminal for shield wire
Terminal block for the
wiring between indoor
unit and outdoor unit
Control box
Earth terminal for
shield wire
Earth terminal
<400 · 500 type>
Wiring from right side
Earth terminal for
shield wire
Terminal block for the
wiring between indoor
unit and outdoor unit
Control box
Earth terminal
Wiring from left side
Terminal block for the
wiring between indoor
unit and outdoor unit
Pass the attached clamp through
the resin clamp, and bundle each
wiring in one and fix them.
Earth terminal
8-3 EXAMPLE OF WIRING
• The control panel is the standard built-in.
Ex1. When using in pairs
Outdoor unit
Power
Control box
supply
IN-OUT OUT-OUT
F1 F2 F1 F2
Branch switch
Overcurrent
The wiring between indoor
circuit breaker
unit and outdoor unit
Prohibited
P1 P2
F1F2 T1T2
L1 L2L3 N
or or
P N
Indoor unit A
Earth
Ex2. For multiple indoor units
Outdoor unit
Power
Control box
supply
IN-OUT OUT-OUT
F1 F2 F1 F2
The wiring between indoor
unit and outdoor unit
Branch switch
Overcurrent
circuit breaker
Never to connect
high-voltage
electricity such as
Prohibited
power supply cables.
The wiring between indoor
unit and indoor unit
P1 P2
F F T T
L1 L2 L3 N or or
1 2 1 2
P N
Indoor unit A
Earth
CAUTION
Do not have low-voltage wires (wiring between units) and other
high-voltage run through the same locations, and there must
be min. 50 mm distance between wires outside of the unit.
Or it may cause a malfunction or a breakdown of the unit by
receiving electrical noise (external noise).
Terminal block for
power supply wiring
Pass the attached clamp through
the resin clamp, and bundle each
wiring in one and fix them.
Earth terminal
Terminal block for
for shield wire
power supply wiring
Control box
Never to connect
high-voltage electricity such
as power supply cables.
P1 P2 P1 P2
F F T T
L1 L2 L3 N or or L1 L2 L3 N or or
1 2 1 2
P N P N
Indoor unit B Final indoor
unit
Earth Earth
English
F F T T
1 2 1 2