WARNINGS 4
BEFORE INSTALLATION 5
Product Receipt 5
Model Identication 5
Ratings and Certications 5
Installations at Elevation 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 12
Water Piping 14
Hydronic Heating 16
Gas Supply 18
Electrical Power Connections 21
Field Wiring Connection 22
Venting 25
Changing the Flue Outlet 27
Venting Installation Tips 27
Venting Congurations 28
Outdoor Installation 32
Controls 32
Heater Sequence of Operation 33
Wiring Diagrams 39
START-UP 41
Pre Start-up 41
Start-Up 42
OPERATION 45
Lighting Instructions 45
To Turn O Gas To Appliance 45
TROUBLESHOOTING 46
MAINTENANCE 47
Suggested Minimum
Maintenance Schedule 47
Preventive Maintenance Schedule 47
APPENDIX 49
Inside Air Contamination 49
WARRANTY 50
START-UP CHECKLIST 51
CONTENTS
3
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