Connection Of Cable And Terminal Of Wiring Board - Gree NCHS1B(U) Owner's Manual

⑤ Perform wirng according to standard to ensure normal operation of air conditioner.
⑥ According to related regulation and electric appliances standard, install special branch circuit breaker.
⑦ All wiring must use pressure terminal or single wire. If connect the stranded wire to the wiring board directly,
it may cause fire.
⑧ Do not let cable connect refrigerant pipe and compressor or fan.
⑨ Do not modify the internal wiring of air conditioner. Manufacturer will not responsible for the damage or
adnormal operation because of that.
⑩ If there's stronge electromagnetic interference around the installation environment, you are suggested to
use twisted shielding wire. When connecting wires, please note that the metal shielding layer of twisted pair
wire must be grounded (case) to prevent abnormal operation due to electromagnetic interference.
⑪ Communciation wire must be seperated from power cord and outdoor/indoor unit connection wires.
⑫ When higher pressure is need for the project, please set it through wired controller.The appliance shall be
installed in accordance with national wiring regulation。If the supply cord is damaged, it must be replaced by
the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard.

5.1 Connection of Cable and Terminal of Wiring Board

(1) Connect single wire (as shown in fig. 5.1).
1) Peel the insulation layer at the end of the single wire about 25mm(1in.) with wire stripper to
expose the single-core wire.
2) Use screwdriver to remove the terminal screw on wiring terminal board.
3) Bend the terminal of single wire with pliers to a round circle whoise dimension complys with the
screw.
4) Hold the screw to pass it through the round circle of single wire and then fix it at the wiring board.
(2) Connect stranded wire (as shown in fig. 5.2).
1) Peel the insulation layer at the end of the stranded wire about 10mm (3/8in.).
2) Remove the screws on the wiring board of air conditioenr with screwdriver.
3) Use round terminal fastener or pliers to clip round terminal and every core wire of multi-core wire
tightly.
4) Confirm the position of every core-wire on round terminal and then use screwdriver to tighten the
screws of wiring terminal.
GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger
Fig. 5.1 Fig. 5.2
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