INSTALLATION
MANUAL - 50 Hz
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
SINGLE PACKAGE AIR CONDITIONERS AND
SINGLE PACKAGE GAS/ELECTRIC UNITS
DM090, 120 AND 150
7-1/2, 10 AND 12-1/2 TON
(9.0 TO 10.0 EER) 50 Hz
127408-YIM-B-0606
®
NOTES, CAUTIONS AND WARNINGS
The installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions
are given
to prevent equipment damage. Warnings
are given to alert
installer that personal injury and/or equipment damage
may result if installation procedure is not handled properly.
CONTENTS
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . 5
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
RENEWAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . 6
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
START-UP (COOLING) . . . . . . . . . . . . . . . . . . . . . . 45
START-UP (GAS HEAT) . . . . . . . . . . . . . . . . . . . . . 45
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . 50
See the following pages for a complete Table of Contents.
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