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York DM150 User Manual

Installation manual - 50 hz

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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.

This manual is related to the following products: