TABLE OF CONTENTS
1.0 SAFETY SYMBOLS AND WARNINGS 65
2.0 SAFETY ISSUES 66
2.1 GENERAL SAFETY RULES 69
3.0 FURNACE OPERATION INFORMATION 70
3.1 STARTING THE FURNACE 70
3.2 SHUTTING DOWN THE FURNACE 71
3.3 OPERATING TIPS 71
4.0 ROUTINE MAINTENANCE BY HOMEOWNER 72
4.1 AIR FILTER 72
4.2 ROUTINE EXAMINATION 72
4.3 ANNUAL INSPECTION/SERVICE 73
4.4 FURNACE APPEARANCE 73
4.5 SEQUENCE OF OPERATION 74
4.6 VARIATIONS 74
4.7 TERMINATIONS 74
5.0 HOMEOWNER’S REFERENCE 75
H1.21
IMPORTANT:
Read these instructions thoroughly before
attempting to operate this furnace.
DO NOT DESTROY THIS MANUAL
Please read carefully and keep in a safe place
for future reference by a service technician.
W415-2845 / B / 11.10.20
64
UM