Raypak P-R406A-EN-C

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-C Specifications

General

Model	P-R406A-EN-C
Heat Exchanger Material	Copper
Ignition Type	Electronic
Weight	202 lbs
Gas Type	Natural Gas
Thermal Efficiency	82%
Input BTU/hr	406, 000 BTU/hr
Inlet/Outlet Connection	2 in

Summary

PART ONE OWNERS OPERATING INSTRUCTIONS

Section 1 Start-Up Procedures

Covers essential steps before and during heater start-up, including burner and water checks.

Lighting and Shut-Off Procedures - Millivolt System

Operating and Shut-Off Procedures - Electronic Ignition System

Maintenance and Care Procedures

Cold Weather Operation and Winterizing

PART TWO INSTALLATION AND SERVICE INSTRUCTIONS

General Specifications and Installation Instructions

Installation Instructions

Guidelines for proper heater installation, including code requirements and safety warnings.

Clearances for Installation

Venting Requirements

Indoor and Outdoor Venting Options

Combustion and Ventilation Air

Gas Supply Connections and Pressures

Gas Pressure Regulation and Sizing

Flow Rates and Heat Exchanger Pressure Drop

Bypass and Relief Valve Installation

Plumbing Water Connections

Electrical Wiring

Transformer Wiring

Wiring Diagram - Millivolt

Wiring Diagram - Atmospheric

Wiring Diagram - Lo NOx

Servicing Controls - General Location

Control Panel and Adjustments

Thermostat Operation - AFT Models

AFT Control Programming and Lockout

Status and Diagnostics

Remote Control Operation

Remote Control Wiring

Operational Checks and Safety Switches

Component Removal Procedures

Heat Exchanger Service Procedures

Lo NOx Heater Operation and Service

Lo NOx Component Removal

Troubleshooting - Mechanical Issues

Electrical Check - Standing Pilot Millivolt

Electrical Troubleshooting - Electronic Ignition IID

Control Logic Flow Chart