Electric Wiring Work - Daikin RZVFQ50 Installation Manual

8. ELECTRIC WIRING WORK

• Electric wiring work must be conducted by electrician authorized by power companies. (Only licensed
electrician can conduct electric work and earth connections.)
• All wiring must be performed by an authorized electrician.
• A circuit breaker capable of shutting down power supply to the entire system must be installed.
• Be sure to install an earth leakage circuit breaker to the outdoor unit.
(This installation of an earth leakage circuit breaker is mandatory for the prevention of electric shocks and
fire disasters.)
• Make sure that 230V is specified wiring between the indoor and outdoor units and between indoor units.
• Do not turn on the power supply (of the indoor unit) until all the installation work is completed.
• Be sure to ground the air conditioner.
• Refer to the installation manual attached to the outdoor unit for the size of power supply electric wire
connected to the outdoor unit, the capacity of the circuit breaker and switch, and wiring instructions.
• Do not connect the earth wire to gas pipes, plumbing pipes, lightning rods, or telephone earth wires.
• Gas pipes: might cause explosions or fire if gas leaks.
• Plumbing pipes: no earth effect if hard vinyl piping is used.
• Telephone earth wires or lightning rods: might cause abnormally high electric potential in the earth
during lighting storms.
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• For electric wiring work, refer to also "WIRING DIAGRAM" attached to the control box lid.
• Do not touch the printed circuit board ASSY during the wiring work. Otherwise, it may cause damage.
• Specifications for field wire
Refer to the installation manual attached to the outdoor unit regarding the detail of standard accessories for
the outdoor unit.
Table 5
Wiring the units
NOTE-a-
1. Shows only in case of protected pipes. Use H07RN-F in case of no protection.
2. Supply cords shall not be lighter than polychloroprene sheathed flexible cord
(code designation 60245 IEC 57)
3. Vinyl cord with sheath or cable (Insulated thickness : 1 mm or more)
Connection of wiring between units and earth wire (Refer to Fig. 26)
• Wiring the units and earth wire
Remove the control box lid and connect wires of matching number
to the terminal block for wiring the units inside. And connect
the earth wire to the earth terminal. In doing this, pull the wires
inside through the hole and fix the wires securely with the included
clamp.
-&
CAUTION
• Never connect the power supply wiring to the terminal block for wiring the units (4P).
If may damage the total system.
Wire
H05W - U4G (NOTE 1 , 2)
Outdoor unit
(Terminal block)
How to connect the connection pipe
52
2
Length
Size (mm
)
-
2.5
Indoor unit
1
f-+- --- +-i
2
>-+----+-<
(Terminal block)
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Match both numbers.