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WARNINGS 4
BEFORE INSTALLATION 5
Product Receipt 5
Model Identification 5
Ratings and Certifications 5
Component Locations 6
General Information 7
GENERAL SAFETY 8
Time/Temperature Relationships in
Scalds 8
INSTALLATION 9
Installation Codes 9
Equipment Base 9
Stacking 9
Clearances 11
Combustion and Ventilation Air 12
Conventional Combustion Air Supply 13
Water Piping 14
Hydronic Heating 16
Gas Supply 20
Electrical Power Connections 22
Field Wiring Connection 23
Venting 25
Changing the Flue Outlet 27
Venting Installation Tips 28
Venting Configurations 28
Controls 33
Outdoor Installation 33
Heater Sequence of Operations 34
87%-Efficiency Boilers –
Special Instructions 43
Water Piping 43
Wiring Diagrams 48
START-UP 50
Pre Start-up 50
Start-Up 51
OPERATION 54
Lighting Instructions 54
To Turn Of Gas To Appliance 54
TROUBLESHOOTING 55
MAINTENANCE 56
Suggested Minimum
Maintenance Schedule 56
Preventative Maintenance Schedule 56
APPENDIX 58
Inside Air Contamination 58
WARRANTIES 59
Type H and WH 59
Type P 60
CONTENTS
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