To Next Page

To Previous Page

Multi Variable Heat Pump WALL Mounted Type Indoor Unit

5 Wiring Work

WARNING

Before accessing terminals, all supply circuits must be disconnected.

(1)

Units must be grounded securely, or it may cause electric shock.

(2)

Please carefully read the wiring diagram. Faulty wiring could cause malfunction or even damage the unit.

(3)

The unit should be powered by dedicated circuit and socket.

(4)

The wiring should be in accordance with related regulations in order to ensure reliable operation of the

unit.

(5)

Install circuit breaker for branch circuit according to related regulations and electrical standards.

(6)

Keep cable away from refrigerant pipings, compressor and fan motor.

(7)

The communication wires should be separated from power cord and connection wire between indoor unit

and outdoor unit.

(8)

Adjust the static pressure via wired controller as needed.

5.1 Connect Cables and Terminals of Wiring Board

Connection of Wire and Patch Board Terminal

(1)

The connection of wire (as shown in Fig. 5.1.1)

① Strip about 25mm (1 in.) insulation off the wire end with stripping tool.

② Remove the wiring screws from the terminal board.

③ Shape the tail of wire into ring with needle nose pliers with the loop matching the screw.

④ Use the screwdriver to tighten the terminal.

(2)

The connection of stranded wire (as shown in Fig. 5.1.2)

① Strip about 10mm (3/8 in.) insulation off the end of stranded wire with stripping tool.

② Loosen the wiring screws on terminal board.

③ Insert the wire into the ring tongue terminal and tighten with crimping tool.

④ Use the screwdriver to tighten the terminal.

Fig 5.1.1 Fig 5.1.2

5.2 Power Cord Connection

NOTICE! All indoor units must be on a single power supply so that they can be powered

Nortek B-HW-2.2(07)-A3AK User Manual

Questions and Answers: