Daikin REMQ8PY1 [427/491] When the power source is supplied to each outdoor unit individually when the power source is connected in series between the units

Daikin REMQ12PY1 [427/491] When the power source is supplied to each outdoor unit individually when the power source is connected in series between the units
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3D057762
1) All wiring, components and materials to be procured on the
site must comply with the applicable local and national codes.
2) Use copper conductors only.
3) As for details, see wiring diagram.
4) Install circuit breaker for safety.
5) All field wiring and components must be provided by licensed
electrician.
NOTES
OUTDOOR UNITS
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(power line)
INDOOR UNITS
BS UNITS
2 Wires cable
(power line)
Switch
Fuse
Switch
Fuse
Switch
Fuse
Power supply
Main
switch
6) Unit shall be grounded in compliance with the apllicable local and national codes.
7) Wiring shown are general points-of-connection guides only and are not intended for or to include all
details for a specific installation.
8) Be sure to install the switch and the fuse to the power line of each equipment.
9) Install the main switch that can interrupt all the power souces in an integrated manner because this
system consists of the equipment utilizing the multiple power sources.
10) The capacity of UNIT1 must be larger than UNIT2 when the power source is connected in series
between the units.
11) If there exists the possibility of reversed phase, lose phase, momentary blackout or the power goes on
and off while the product is operating, attach a reversed phase protection circuit locally.
Running the product in rversed phase may break the compressor and other parts.
[UNIT 1]
[UNIT 2]
Switch
Power supply
Main
switch
Fuse
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
Switch
Fuse
Switch
Fuse
2 Wires cable
(power line)
Switch
Fuse
Switch
Fuse
Switch
Fuse
Switch
Fuse
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
COOLING ONLY UNIT
When the power source is supplied to each
outdoor unit individually
When the power source is connected
in series between the units
OUTDOOR UNITS
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(power line)
INDOOR UNITS
BS UNITS
2 Wires cable
(power line)
Switch
Fuse
Switch
Fuse
Power supply
Main
switch
[UNIT 1]
[UNIT 2]
Power supply
Main
switch
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
2 Wires cable
(transmission line)
Switch
Fuse
Switch
Fuse
2 Wires cable
(power line)
Switch
Fuse
Switch
Fuse
Switch
Fuse
Switch
Fuse
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
2 Wires cable
(power line)
COOLING ONLY UNIT

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