Daikin SkyAir RZQ18PVJU, Installation Manual

Page: 14 / 19

13 English
Connection example of whole system wiring 7-1
Power
Remote
controller
Indoor
unit
Ground
Power
Ground
Outdoor unit
16V
208-230V
208-230V
16V
Earth leakage
circuit interrupter
Overcurrent
breaker (fuse)
Branch switch
Routing power supply wiring and transmission 7-2
wiring
Let the power supply wiring with a conduit pass through one of
the knockout holes on the front or side cover, and let the
transmission wiring with a conduit pass through another
knockout hole.
For protection from uninsulated live parts, thread the power •
supply wiring or the transmission wiring through the included
insulating tube and secure it with the included clamp.
Insulating tube
(accessory) Clamp
(accessory)
Power supply wiring
or
Transmission wiring
(3in.)
〈
Precautions when knocking out knock holes
〉
To punch the knockout hole, hit it with a hammer. •
After removing the knockout, it is recommended that the •
edges should be painted to prevent rusting.
CAUTION
Use conduit for both the power supply wiring and transmis- •
sion wiring.
Outside the unit, make sure to keep the wirings 5 inch away.
•
Otherwise, the outdoor unit may be affected by electrical
noise (external noise), and malfunction or fail.
Be sure to connect the power supply wiring to the terminal
•
block and secure it as described in “7-3 Power supply wiring
connection procedure”.
Fix the wiring between the units in accordance with
•
“7-4 Transmission wiring connection procedure”.
Secure the wirings with the clamps (accessory) so that do
•
not touch the piping.
Make sure the wirings will not be pinched by the front panel,
•
and close the panel fi rmly.
Route the conduit along the unit by using a elbow socket
•
and so on to prevent it from being stepped on.
Power supply wiring connection procedure 7-3
WARNING
Never connect power supply wiring to the terminal block for •
remote controller wiring as this could damage the entire system.
Install an earth leakage circuit interrupter.
It is obliged to install an earth leakage circuit interrupter to •
prevent electric shock and fi re accident.
Model
Phase and
frequency
Voltage
Rated current
of fuse
Min. Circuit
Amps.
RZQ18PVJU
~ 60Hz 208-230V 20A 16.5A RZQ24PVJU
RZQ30PVJU
Stop valve
mounting plate
Conduit mounting
plate (accessory)
Power supply wiring
(including ground wire)
or
Transmission wiring
Power supply wiring
(including ground wire)
or
Transmission wiring
Transmission wiring
between indoor unit
Ground wiring
(yellow/green)
Power supply wiring
Clamp (accessory)
Insulation tube small
(accessory)
Insulation tube large
(accessory)
Control terminal
block (X2M) Power terminal
block (X1M)
Lock nut
Cover
Conduit
Clamp
(accessory) Note
Be sure to avoid
contact with the
sensor and the
filed wiring.
Cover (Handle)
(accessory)
Screw
(accessory)
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