McQuay M4MC Service Guide Book

32
9. Conversion from Old Sequential Board to New Sequential Board
(For wiring up to 1000 meters)
9.1 Sequential Main Board SQMB01 (Old Version)
9.2 Sequential Main Board SQMB01 (New Version)
U8
J1 & J2
Rework instruction:
SQMB01 (Main Board) from
old version to new version
Step 1: Remove Jumper J1 and J2.
Step 2: Add Part: 2051-MAX1483
IC :MAX1483 to U8

McQuay M4MC Specifications

General

Brand	McQuay
Model	M4MC
Category	Air Conditioner
Language	English