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Gree GTH18K3FI User Manual

Gree GTH18K3FI
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U-Match Series DC Inverter Service Manual
88
4 ELECTRIC WIRING WORK
4.1 Wiring Precautions
WARNING!
. Before obtaining access to terminals, all supply circuits must be disconnected.
. The rated voltage of the unit is as shown as Table 1-4-1 and Table 1-4-2
. Before turning on, verify that the voltage is within the 198~264V range (for single phrase unit) or 342~457V range (for
three-phrase unit).
. Always use a special branch circuit and install a special receptacle to supply power to the air conditioner.
. Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner.
. The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles
of the wiring and has an isolation distance of at least 3 mm between the contacts of each pole.
. Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively.
. Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric
company standards.
CAUTION!
. The power source capacity must be the sum of the air conditioner current and the current of other electrical
appliances. When the current contracted capacity is insufficient, change the contracted capacity.
. When the voltage is low and the air conditioner is difficult to start, contact the power company to raise the voltage.
4.2 Electrical Wiring
(1) For solid core wiring (Figure 3-2-6)
1) Cut the wire end with a wire cutter or wire-cutting pliers, and then strip the insulation about
25 mm (15/16").
2) Using a screwdriver, remove the terminal screw(s) on the terminal board.
3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw.
4) Shape the loop wire properly, place it on the terminal board and tighten securely with the
terminal screw using a screwdriver.
(2) For strand wiring (Figure 3-2-6)
1) Cut the wire end with a wire cutter or wire-cutting pliers, and then strip the insulation about
10 mm (3/8").
2) Using a screwdriver, remove the terminal screw (s) on the terminal board.
3) Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped
wire end.
4) Position the round terminal wire, and replace and tighten the terminal screw with a
screwdriver. (Figure 3-2-7)
Figure 3-2-6

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Gree GTH18K3FI Specifications

General IconGeneral
BrandGree
ModelGTH18K3FI
CategoryAir Conditioner
LanguageEnglish

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