Raypak P-2100, P-1826, P-4001, P-926 manual Contents

CONTENTS

WATER CHEMISTRY	2
WARNINGS	4
Pay Attention to These Terms	4
RECEIVING EQUIPMENT	5
GENERAL	5
SPECIFICATIONS
INSTALLATION	5
Code Requirements	5
Base Installation	5
Clearances	6
Combustion Air (Indoor Units Only)	6
Venting Connections	7
Gas Supply Connections	8
Water Connections	10
CONTROLS	10
Flow Switch	10
Water Pressure Switch	11
Automatic Chlorinators and Chemical	11
Feeders
Unitherm Governor Operation	11
Companion Flange Connections	11
(Models 926-1223)
Mounting the Poolstat Control with Front-	12
Mounted Loop Using Mounting Slots
Mounting Well into System Return Loop	14
Pipe - Front-Mounted Loop
Piping Configurations for Raytherm	15
Commercial Pool Heaters (926-1223)
Piping Configurations for Raytherm	16
Commercial Pool Heaters (1287-1826)
Piping Configurations for Raytherm	17
Commercial Pool Heaters (2100-4001)
Temperature Controls	18
External Auxiliary Bypass Valve (Where	18
Required) Models 926-1223 Only
Auxiliary Bypass Valve Adjustment	18
Electrical Wiring	19

Wiring Diagram—Models 926–1223

Wiring Diagram—Models 1287–1826

Wiring Diagram—Models 2100–2500

Wiring Diagram—Models 3001–4001

SERVICING

General Location Of Controls

Temperature Control

Pressure Switch

Pressure Switch Adjustment Two-Speed Pumps

Pilot Safety

START-UP PROCEDURES

Before Start-Up

Start-Up

After Start-Up

INSPECTION PROCEDURES

Burners

CONTROLS

SERVICING PROCEDURES

Tube Cleaning Procedure (Typical)

Heat Exchanger Reassembly

Burner Drawer Removal

Gas Valve Removal

Main Burner and Orifice Removal

Pilot Removal and Cleaning

Heat Exchanger Removal

Combustion Chamber Removal

Control Well Replacement

Tube Replacement Procedure

Procedure For Cleaning Flue Gas

Passageways

Unitherm Governor Replacement

MAINTENANCE AND CARE

Winterizing Your Heater

TROUBLESHOOTING

WARRANTY

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