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Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
and lead to condensation water drop.
(5) Tighten 4 screws at each corner of panel respectively, fix the panel on the body firmly.
(6) Tighten the screw until the thickness of sealing material between panel and indoor unit is
about 5-8mm(3/16~5/16inch).
4.6 Installation of Wired Controller
Please refer to User Manual of Wired Controller for the installation details.
When installation is finished, the unit must be tested and debugged before
operation. Please refer to Instruction Manual of ODU for auto addressing and debugging details.
5 Wiring Work
Before obtaining access to 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 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.
(8) Adjust the static pressure via wired controller according to site circumstance.
5.1 Connection of Wire and Patch Board Terminal
(1) The connection of wire (as shown in Fig.5.1.1)
1) Strip about 25mm (1 inch) insulation of the wire end by stripping and cutting tool.
2) Remove the wiring screws on the terminal board.
3) Shape the tail of wire into ring by needle nose plier, and keep the gauge of ring in
accordance with screw.
Fig.4.5.6
16
Unit: mm (inch)
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