Installation Manual - Contents
Accessories Included with the
Combination Water Heater / Heating Boiler 3
Optional Accessories 4
Specifications 5
Components & Dimensions Key Components 6
Dimensions 7
Warnings Installation Warning 8
Rating Plate Getting Started 10
Check Rating Plate 11
Location Selection Locating
the Combination Water Heater / Heating Boiler 12
Mounting the Unit to the Wall 13
Plumbing Plumbing and Water Connection Guideline 14
Plumbing Guideline 17
Pressure Relief Valve 26
Condensate Disposal Disposal of Condensate 27
Condensate Drain & Cleaning 28
Gas Piping Gas Piping Guideline 29
Gas Supply Pressure 30
Gas Piping Sizing Chart 31
Gas Pressure Testing Measuring Inlet Gas Pressure 32
Venting Warning 34
Venting Guideline 35
Contaminated Make-up Air Will Damage the Unit 36
Exhaust Pipe Materials 36
Venting Clearances 37
Allowable Vent Lengths 38
Vent Configuration Options 40
Concentric Vent Termination 42
Outdoor Installation 43
Pressure Reducing Valve 45
Outdoor Temp. Sensor Outdoor Temp. Sensor Installation 47
Outdoor Temp. Sensor Installation Guideline 47
K-Factor 48
Electrical Connection 49
Remote Controller
Installation
50
PCB Board Setting 51
Cascade Connection and
Set-up Procedure 52
DIP Switch Setting 57
Installation Checklist 60
Maintenance 64
Factory Setting of
Dip Switch 65
Completing the Install 66
Wiring Diagram 66
Ladder Diagram 67
Wiring Information 68
Components Diagram &
Parts List 70
Service 79
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