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Water Heater
Raypak
503-2003 manual Models, SECTION C Installation
Models:
503-2003
1
41
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Troubleshooting
Install
Wiring Diagrams
Parts Replacement
Maintenance
Venting Configurations
Field Wiring Connection
High Limit - Manual Reset
UDB Diagnostic Board
UDB Fault History
Page 41
Image 41
SECTION C: Installation
Models
1753-2003
39
Page 40
Page 42
Page 41
Image 41
Page 40
Page 42
Contents
Models Types H & WH
INSTALLATION AND OPERATING INSTRUCTIONS
Page
Table of Contents
WARNINGS
Product Receipt
SECTION A Before Installation
Model Identification
Ratings and Certifications
General Information
Installations at Elevation
Component Locations
SECTION B Hot Water Supply General Safety
Time to Produce Serious Burn
Time/Temperature Relationships in Scalds
Water Temp
Installation Codes
SECTION C Installation
Indoor Installations
Equipment Base
Canadian Installations2
U.S. Installations1
Indoor Units
Outdoor Installations
Combustion and Ventilation Air
Optional Construction Air Filter
U.S. Installations
Direct Vent
TruSeal Combustion Air
General
Canadian Installations
Water Piping
Hydrostatic Test
Relief Valve Piping
Cold Water Operation
Cold Water Starts
Cold Water Run
Temperature & Pressure Gauge
Pump Selection
Hydronic Heating
Feedwater Regulator
Piping
Pool Heating
Potable Water and Space Heating
Winterizing Your Heater
Automatic Chlorinators and Chemical Feeders
Pool/Spa Water Chemistry
Gas Supply
Water Hardness
pH of Water
Gas Supply Pressure
Gas Supply Connection
Field-ConnectedControllers
Electrical Power Connections
Check the Power Source
DANGER SHOCK HAZARD
Making the Electrical Connections
Field Wiring Connection
Appliance Categories
Venting
Support of Vent Stack
General
U.S. Installations
Canada Installations
Vent Terminal Location
Venting Configurations
Venting Installation Tips
Installation
Vertical Venting Category
Common Venting
Termination
Volume of
Vent Size
Venting Category
Horizontal Through-the-WallDirect
Certified Vent
Installation
Installation
Direct Vent - Vertical
SECTION C Installation
Termination
Freeze Protection
Outdoor Installation
Controls
Operation
Operating Modes
Definitions
Range
Default
Modes
Model
Heater Sequence of Operation
SECTION C Installation
Model
SECTION C Installation
Ignition Module
High Limit - Auto Reset Optional
High Limit - Manual Reset
Flow Switch
Code
Air Pressure Switch
High and Low Gas Pressure Switches Optional
Modulating Temperature Control
Low Water Cut-OffOptional
SECTION C Installation
Blocked Vent Switch
UDB Diagnostic Board
SECTION C Installation
Wiring Diagrams
Models
Models
SECTION C Installation
SECTION C Installation
SECTION D Start-up
For Your Safety
Pre Start-up
Filling System Heating Boilers
Check Power Supply
Blower Adjustment
Start-Up
Pre Start-upCheck
Manifold Adjustment
Follow-Up
Safety Inspection
Leak Test Procedure Dual-SeatGas Valve
Post Start-UpCheck
SECTION D Start up
To Turn Off Gas To Appliance
SECTION E Operation
Lighting Instructions
SECTION E Operation
SECTION D Start up
Troubleshooting
SECTION F
UDB Fault History
Suggested Minimum Maintenance Schedule
SECTION G Maintenance
Daily
Monthly
Periodically
Preventive Maintenance Schedule
Weekly
Semi-Annually
Inside Air Contamination
SECTION H Appendix
HEAT EXCHANGER WARRANTY
LIMITED PARTS WARRANTY MVB - TYPES H AND WH
ADDITIONAL WARRANTY EXCLUSIONS
PARTS REPLACEMENT