Specifications

Installation Manual IM 904
Disconnect Switch for Maverick I™ Units
Group: MPS
Part Number: IM 904
Date: January 2008
© 2008 McQuay International
Installation Procedure (also see diagram next
page)
1. Connect the three black wires to terminals T1, T2,
and T3 located on the disconnect switch.
2. Remove the disconnect switch mounting hole cover
plate (with gasket) and discard.
3. Place the actuator shaft through the weather gasket.
4. Insert the actuator shaft and weather gasket assembly
onto the disconnect switch.
5. Place the cover plate over the actuator shaft and on
top of the weather gasket.
6. Position the assembly adjacent to the panel with the
actuator shaft through the large hole.
7. Through the panel, insert and tighten four screws
(63-42109-05) into the disconnect switch.
8. Place the label over the four screws.
9. Position the handle on the actuator shaft.
10. Tighten the set screw.
11. Connect the three black wires to L1, L2, and L3
located on terminal block TB1.
WARNING
Failure to follow these instructions can result in improper
installation, adjustment, service, or maintenance, and can
result in fire, electrical shock, property damage, personal
injury, or death. These instructions are intended as an aid to
qualified service personnel for proper installation, adjustment,
and operation of this kit. Read carefully and thoroughly before
attempting installation, adjustment, or operation.
Parts List
Description Part Number Quantity
Disconnect switch assembly 42-42559-02 1
Wire (black) AE-72749-17 3
Label (On/Off) 92-42563-01 1
DANGER
Electrical shock hazard. Can cause property damage,
personal injury or death. Before beginning any modification,
be sure the main disconnect switch is in the “Off” position and
tagged with a suitable warning label.
MPS 007 to 020 ton
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