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Raypak
5042004 operating instructions
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Contents
Main
INSTALLATION & OPERATING INSTRUCTIONS
Models
Types H, WH, P & WHP
L W
Page
CONTENTS
WARNINGS
Pay Attention to These Terms
BEFORE INSTALLATION
Product Receipt
Model Identification
Ratings and Certifications
Installations at Elevation
General Information
Component Locations
GENERAL SAFETY
Time/Temperature Relationships in Scalds
Equipment Base
Clearances
Indoor Installations
INSTALLATION INSTALLATION
Installation Codes
Outdoor Installations
Combustion and Ventilation Air
Indoor Units
Page
Air Filter
Direct Vent
TruSeal Combustion Air
Conventional Combustion Air Supply
U.S. Installations
Canadian Installations
Water Piping
General
Relief Valve Piping
Temperature & Pressure Gauge
Hydrostatic Test
Cold Water Operation
Hydronic Heating
Pump Selection
*
Feedwater Regulator
Piping
Air-Separation/Expansion Tank
Potable Water and Space Heating
Three-Way Valves
Domestic Hot Water
Page
Pool/Spa Water Chemistry
Gas Supply
Gas Supply Connection
Gas Supply Pressure
Electrical Power Connections
Making the Electrical Connections
Field-Connected Controllers
Check the Power Source
Field Wiring Connection
Venting
General
Support of Vent Stack
Vent Terminal Location
Venting Installation Tips
Venting Configurations
Natural Draft Vertical Venting (Category I)
Page
Page
Engineered Vent Systems
Horizontal Through-the-Wall Direct Venting (Category III)
Direct VentVertical
Outdoor Installation
Freeze Protection
Controls
Operating Modes
*
*
*
Definitions
*
Page
Page
Operation
{
Item
High LimitManual Reset
Heater Sequence of Operation
Ignition Module
Page
Blocked Vent Switch
UDB Diagnostic Board
Air Pressure Switch
Page
Page
START-UP
Pre Start-up
Preparation
Filling System (Heating Boilers)
Air Purge (Domestic Hot Water Heaters)
Start-Up
Blower Check
Manifold Check
Safety Inspection
Follow-Up
Finishing
Leak Test Procedure: Dual-Seat Gas Valve
Post Start-Up Check
OPERATION
Lighting Instructions
To Turn Off Gas To Appliance
UDB Fault History
TROUBLESHOOTING
7
1-805-278-5300
9
8
MAINTENANCE
Suggested Minimum Maintenance Schedule
Daily
Monthly
Yearly (Beginning Of Each Heating Season)
Filter Maintenance
Filter Replacement
APPENDIX
Inside Air Contamination
Important Instructions for the Commonwealth of Massachusetts
LIMITED PARTS WARRANTY MVB TYPESHAND WH MODELS 504-2004
SCOPE
HEAT EXCHANGER WARRANTY
ANY OTHER PART MANUFACTURED BY RAYPAK
ADDITIONAL WARRANTY EXCLUSI ONS
LIMITED PARTS WARRANTY MVB TYPES P & WHP MODELS 5042004
SCOPE
HEAT EXCHANGER WARRANTY
ANY OTHER PART MANUFACTURED BY RAYPAK
ADDITIONAL WARRANTY EXCLUSI ONS
START-UP CHECKLIST FOR FAN-ASSISTED RAYPAK PRODUCTS
VISUAL INSPECTIO N OF COMPONENT S
VENTING
EMISSIONS SETTINGS AND TEST INFORMATION (AT FULL FIRE)
Nominal Factory Recommended Settings