INSTALLATION
MANUAL
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
SERIES 20
GAS/ELECTRIC SINGLE PACKAGE
AIR CONDITIONERS
MODELS: J15, 18, 20 & 25 DJ
349215-JIM-B-1008
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . .4
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . .6
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
START-UP (COOLING) . . . . . . . . . . . . . . . . . . . . . . . . .53
START-UP (GAS HEAT) . . . . . . . . . . . . . . . . . . . . . . . .53
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .56
See the following page for a complete Table of Contents.
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 dam-
age may result if installation procedure is not handled
properly.
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