Daikin RXYQ96PATJ [88/108] Field wiring
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Daikin RXYQ96PATJ [88/108] Field wiring

Daikin RXYQ96PATJ [88/108] Field wiring
EDUS391000-N_a Installation
Installation of Outdoor Units 87
7. FIELD WIRING
• All field wiring and components must be installed by a licensed
electrician and must comply with relevant local and national
regulations.
• Be sure to use a dedicated power circuit. Never use a power
supply shared by another appliance.
• Never install a phase advancing capacitor. As this unit is equipped
with an inverter, installing a phase advancing capacitor will not
only deteriorate power factor improvement effect, but also may
cause capacitor abnormal heating accident due to high-frequency
waves.
• Only proceed with wiring work after switching off all power.
• Always ground wires in accordance with relevant local and national
regulations.
• This machine includes an inverter device. Connect ground and
leave charge to eliminate the impact on other devices by reducing
noise generated from the inverter device and to prevent leaked
current from being charged in the outer hull of the product.
• Do not connect the ground wire to gas pipes, sewage pipes,
lightning rods, or telephone ground wires.
Gas pipes : can explode or catch fire if there is a gas leak.
Sewage pipes : no grounding effect is possible if hard plastic
piping is used.
Telephone ground wires and lightning rods : dangerous when
struck by lightning due to abnormal rise in electrical potential in the
grounding.
• Be sure to install an ground leakage circuit breaker.
This unit uses an inverter, so install the ground leakage circuit
breaker that be capable of handling high harmonics in order to
prevent malfunctioning of the ground leakage circuit breaker itself.
• Ground leakage circuit breaker which are especially for protecting
ground-faults should be used in conjunction with main switch or
fuse for use with wiring.
• Electrical wiring must be done in accordance with the wiring
diagrams and the description herein.
• Do not operate until refrigerant piping work is completed.
(If operated before complete the piping work, the compressor may
be broken down.)
• Never remove thermistor, sensor or etc. when connecting power
wiring and transmission wiring.
(If operated with thermistor, sensor or etc. removed, the
compressor may be broken down.)
• This product have reversed phase protection detector that only
works when the power is turned on. If there exists blackout or the
power goes on and off when the product is operating, attach a
reversed phase protection circuit locally. Running the product in
reversed phase may break the compressor and other parts.
• Attach the power wire securely.
• Never connect the power supply in reversed phase.
The unit can not operate normally in reversed phase.
If you connect in reversed phase, replace two of the three phases.
• Make sure the electrical unbalance ratio is no greater than 2%. If it
is larger than this, the unit’s lifespan will be reduced.
If the ratio exceeds 4%, the unit will shut down and an malfunction
code will be displayed on the indoor remote controller.
• Connect the wire securely using designated wire and fix it with
attached clamp without applying external pressure on the terminal
parts (terminal for power wiring, terminal for transmission wiring
and ground terminal).
• 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 reversed phase may break the compressor
and other parts.
7-1 Power circuit, safety device and cable
requirements
• A power circuit (see the following table) must be provided for
connection of the unit. This circuit must be protected with the
required safety devices, i.e. a main switch, a slow blow fuse on
each phase and a ground leakage circuit breaker.
• When using residual current operated circuit breakers, be sure to
use a high-speed type (0.1 second or less) 200mA rated residual
operating current.
• Use copper conductors only.
• Use insulated wire for the power cord.
• Select the power supply cable type and size in accordance with
relevant local and national regulations.
• Specifications for local wiring power cord and branch wiring are in
compliance with local cord.
7-2 Wiring Connection Example for Whole System
(Refer to figure 17)
1. Power supply
2. Main switch
3. Ground leakage circuit breaker
4. Fuse
5. Outside unit
6. COOL/HEAT selector
7. Remote controller
8. Indoor unit
9. Branch Selector unit
NOTE
•
Make sure the communication/control wiring (i.e. for the remote con-
troller, between units, etc.) and the power wiring do not pass near each
other, keeping them at least 2 in. apart.
Proximity may cause electrical interference, malfunctions, and break-
age.
• Be sure to connect the power wiring to the power wiring terminal
block and secure it as described in “7-5 Power Wiring
Connection Procedure”.
• Transmission wiring should be secured as described in “7-4
Transmission Wiring Connection Procedure”.
• Secure wiring with clamp such as insulation lock ties to avoid
contact with piping.
• Shape the wires to prevent the structure such as the electrical
components box lid deforming. And close the cover firmly.
• All field wiring is to be procured on site.
Phase and
frequency
Voltage
Minimum
circuit amp.
Recommended
Max Overcur-
rent Protection
Transmission
line selection
REYQ72PAYD
φ 3, 60Hz 460V 16.0A 20A AWG18-16
REYQ96PAYD
φ 3, 60Hz 460V 20.4A 25A AWG18-16
REYQ120PAYD
φ 3, 60Hz
460V 20.5A 25A AWG18-16
REYQ144PAYD
φ 3, 60Hz
460V 16.7+16.7A 25A+25A AWG18-16
REYQ168PAYD
φ 3, 60Hz
460V 16.7+20.3A 25A+25A AWG18-16
REYQ192PAYD
φ 3, 60Hz
460V 20.3+20.3A 25A+25A AWG18-16
REYQ216PYDNR
φ 3, 60Hz
460V 20.5+20.3 25A+30A AWG18-16
REYQ240PYDNR
φ 3, 60Hz
460V 20.5+20.5 30A+30A AWG18-16
REYQ72PATJ
φ 3, 60Hz
208-230V
36.1A 40A AWG18-16
REYQ96PATJ
φ 3, 60Hz
208-230V
43.8A 45A AWG18-16
REYQ120PATJ
φ 3, 60Hz
208-230V
44.2A 50A AWG18-16
REYQ144PATJ
φ 3, 60Hz
208-230V
28.8+28.8A 40A+40A AWG18-16
REYQ168PATJ
φ 3, 60Hz
208-230V
28.8+36.1A 40A+50A AWG18-16
REYQ192PATJ
φ 3, 60Hz
208-230V
36.1+36.1A 50A+50A AWG18-16
REYQ216PTJUR
φ 3, 60Hz
208-230V
36.1+41.3 50A+60A AWG18-16
REYQ240PTJUR
φ 3, 60Hz
208-230V
41.3+41.3 60A+60A AWG18-16

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