Daikin RZQ18PVJU Installation Manual page 14

7-1 Connection example of whole system wiring
Earth leakage
circuit interrupter
Branch switch
Overcurrent
breaker (fuse)
208-230V
Ground
Power
208-230V
Indoor
unit
16V
Ground
7-2 Routing power supply wiring and transmission
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 Clamp
(accessory)
(accessory)
〈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.
13
Power
Outdoor unit
16V
Remote
controller
Power supply wiring
or
Transmission wiring
(3in.)
7-3 Power supply wiring connection procedure
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.
Phase and
Model Voltage
frequency
RZQ18PVJU
RZQ24PVJU ~ 60Hz 208-230V
RZQ30PVJU
Screw
(accessory)
Cover (Handle)
(accessory)
Clamp (accessory)
Power supply wiring
Power terminal Control terminal
block (X1M) block (X2M)
Insulation tube large
(accessory)
Ground wiring
Insulation tube small
(accessory)
(yellow/green)
Rated current Min. Circuit
of fuse Amps.
20A 16.5A
Lock nut
Cover
Conduit
Conduit mounting
plate (accessory)
Power supply wiring
(including ground wire)
or
Transmission wiring
Stop valve
mounting plate
Power supply wiring
(including ground wire)
or
Transmission wiring
Transmission wiring
between indoor unit
Clamp Note
(accessory) Be sure to avoid
contact with the
sensor and the
filed wiring.
English