Control Operation Guide - McQuay M5RT 90 BR Technical Manual

R410a rooftop packaged b series

Table of Contents

Note:

A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated

in fixed wiring in accordance with local and national legislation.

• The unit is to be wired directly from an electrical distribution board either by a circuit breaker (preferred) or HRC fuse.

• Fix the power supply wiring to control module. Connect control wiring to control terminal block through the

control box's hole.

• Earth wiring must be connected.

• The power supply cord must be equivalent to H05VV-F (60227 IEC 52 or 60227 IEC 53) which is the minimum

requirement, and to be used in protective tube.

•

Before working in this unit, isolate it from the power supply.

•

Electrical wiring to this unit and the remote controller shall be installed in accordance with the appropriate

requirement of the local wiring code.

Observe the notes mentioned below when wiring to the terminal

block. Precautions to be taken for power supply wiring.

(Use a round crimp-style terminal for connection to the terminal

block. In case it cannot be used due to unavoidable reasons, be

sure to observe the following instruction.)

When connecting the connection wires to the terminal block using a single core wire, be sure to perform curling.

Problems with the work may cause heat and fires.

Stripping wire at terminal block

• Pull the wire and make sure that it does not disconnect. Then fix the wire in place with a wire stop.