Filter
Top Products
WARNINGS 4
Pay Attention to These Terms 4
BEFORE INSTALLATION 5
Product Receipt 5
Model Identification 5
Ratings and Certifications 5
Installations at Elevation 5
Component Locations 6
General Information 7
Time/Temperature Relationships in Scalds 8
GENERAL SAFETY 8
Clearances 9
Equipment Base 9
INSTALLATION 9
Installation Codes 9
Combustion and Ventilation Air 11
Conventional Combustion Air Supply 11
Water Piping 12
Hydronic Heating 13
Domestic Hot Water Piping 15
Pool Heating 17
Gas Supply 17
Electrical Power Connections 19
Venting 21
Outdoor Installation 32
High Limit (Manual Reset) 33
Flow Switch 33
CONTROLS 33
Ignition Control Module 33
Low Water Cut Off (Optional) 34
Operating Control 34
WIRING DIAGRAM—MODELS 122
–322 35
PRE-START-UP 36
Filling System-Heating Heaters 36
Domestic Hot Water Heaters 36
Inspect Venting System 36
For Your Safety Read Before Lighting 36
Pre-Start-Up Check 36
INITIAL START-UP 36
Tools Needed 36
Preparation for Start-Up 36
Start-Up 37
Main Burner Adjustment 37
Safety Inspection 37
Follow-Up 38
POST START-UP CHECK 38
OPERATION 38
Operating Instructions 38
To Turn Off Gas To Appliance 39
MAINTENANCE 39
Suggested Minimum Maintenance
Schedule 39
APPENDIX 40
Inside Combustion Air Contamination 40
CONTENTS
3