Raypak P-R406A-EN-X

INSTALLATION & OPERATING
INSTRUCTIONS
Gas-Fired
Pool & Spa
Heater
Catalog No. 6000.59AB Effective: 03-15-17 Replaces: 08-15-15 P/N 241236 Rev. 29
WARNING: If these instructions are not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas sup-
plier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or
the gas supplier.
This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future
reference.
Atmospheric Models
206A, 266A, 336A & 406A
Lo NOx Models
207A, 267A, 337A & 407A
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.

Raypak P-R406A-EN-X Specifications

General

Brand	Raypak
Model	P-R406A-EN-X
Category	Gas Heater
Language	English

Summary

Owners Operating Instructions

Start-Up Procedures

Lighting and Shut-Off Procedures - Millivolt System

Detailed instructions for safely lighting and shutting down the millivolt system.

Installation and Service Instructions

Installation Instructions

Critical steps and requirements for safe and compliant heater installation.

Clearances and Ventilation

Gas Supply and Piping

Details on gas connections, pressure, and pipe sizing for safe operation.

Electrical Wiring and Diagrams

Guides for wiring millivolt, AFT, and Lo NOx models, including diagrams.

Servicing Instructions

Control Panel and Thermostat Operation

Status and Diagnostics

Remote Control and Time Clock Integration

Water Pressure Switch

High Limits and Safety Switches

Troubleshooting

Mechanical Troubleshooting

Common mechanical problems, their causes, and recommended solutions.

Electrical Troubleshooting - Millivolt

Diagnosing electrical issues for millivolt systems.

Electrical Troubleshooting - Electronic Ignition

Diagnosing electrical issues for electronic ignition systems.

Control Logic Flow Chart