Multi Variable Air Conditioners WALL Mounted Type Indoor Unit
7
Fig 4.5
4.6 Installation the connection pipes
Connect the ends of the connection pipe with two leading pipes, and then tighten the joint nuts
tightly.
Connect the connect pipe with the two relative leading pipe, tie the nut on tie
–in of the
connect pipe tightly.
Notes:
①
Be careful in bending the connection pipes, or you would damage the pipes.
②
If the tightening torque for the flare nut is too great, leakage would happen.
5 Wiring Work
WARNING
Before obtaining access to terminals, all supply circuits must be disconnected.
(1)
Units must be earthed securely, or it may cause electric shock.
(2)
Please carefully read the wiring diagram before carry out the wiring work, incorrect wiring could cause
malfunction or even damage the unit.
(3)
The unit should be powered by independent circuit and specific socket.
(4)
The wiring should be in accordance with related regulations in order to ensure the units reliable running.
(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 according to site circumstance.
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 insulation of the wire end by stripping and cutting tool.
②
Remove the wiring screws on the terminal board.
