INSTALLATION
MANUAL
CONTENTS
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . 7
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
GAS HEATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
GAS FURNACE OPERATING INSTRUCTIONS . . . 64
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
See the following pages for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
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.
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
MILLENNIUM™ ROOFTOP
25, 30 & 40 TON
MODELS:
Y32
Y33
Y34
ISO 9001
Certified Quality
Management System
523717-YIM-A-0509