Table of Contents
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INSTALLATION AND
OPERATION MANUAL
Gas-Fired Pool
and Spa Heater
Bronze ASME and Polymer Low NOx
Heat Exchanger Models
207A, 266L, 267A, 337A, 399L, and 407A
WARNING: If the information is not followed exactly, a fire or explosion may result causing property
damage, personal injury or death.
— Do not store or use gasoline or other flammable vapors and liquids or other combustible materials
in the vicinity of this or any other appliance. To do so may result in an explosion or fire.
— 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 supplier'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.
Effective: 10-24-20
Replaces: 08-21-20
P/N 241793 Rev 7
A
S
M
E
HLW
ASME units only
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Table of Contents
Related Manuals for Raypak P-R266A-EP-C
Summarization of Contents
Warnings and Safety
Hazard Definitions and Safety Precautions
Defines hazard levels (DANGER, WARNING, CAUTION, NOTE) and lists general safety measures.
Water Chemistry Safety Guidelines
Outlines critical safety points for water chemistry, temperature, and chlorine levels.
Before Installation
Equipment Receiving and Inspection Process
Instructions for inspecting the heater upon delivery for damage and completeness.
Heater Ratings, Certifications, and Ambient Limits
Details on heater specifications, certifications, and environmental operating conditions.
Installation Procedures
Clearances, Flooring, and Location Requirements
Specifies minimum clearances, suitable flooring, and ideal installation locations.
Venting Systems and Combustion Air Needs
Guidelines for vent pipe selection, installation, and ensuring adequate combustion air.
Gas Supply and Connection Specifications
Covers gas pipe sizing, pressure requirements, regulator settings, and connection.
Plumbing Diagrams and Bypass Valve Setup
Illustrates recommended plumbing configurations, including pressure relief and bypass valves.
Heat Exchanger Connection Reversal
Step-by-step procedure for reversing heat exchanger connections if needed.
Electrical Wiring and Diagrams
Power Requirements and Wiring Connections
Explains voltage compatibility, power draw, and how to connect wiring.
Electrical Wiring Diagram and Schematics
Provides the official wiring diagram for electrical connections and components.
Controls and Diagnostics
Control Panel Operation and Adjustments
Covers accessing, removing, and adjusting the heater's control panel settings.
Heater Status and Diagnostic Readouts
Explains the meaning of status messages and diagnostic codes for troubleshooting.
Remote Control System Installation and Use
Guides on installing and operating external remote control systems for the heater.
Operating Instructions
Heater Start-Up and Lighting Procedures
Step-by-step instructions for safely starting and lighting the heater for the first time.
Routine Operation and Checks
Guidance on normal operation, visual inspections, and checking pipe temperatures.
Maintenance and Care
Cold Weather Operation and Winterizing
Procedures for operating the heater safely in cold conditions and preparing for winter shutdown.
Troubleshooting Guide
Common Problems, Causes, and Solutions
A table detailing common issues, their potential causes, and corrective actions.
Control Logic and Flow Chart Diagnostics
Flow charts to help diagnose issues with the heater's control system and logic.
Replacement Parts
How to Order Replacement Parts
Information on how to identify and order necessary replacement parts for the heater.
Illustrated Parts List
Component Identification and Part Numbers
Visual diagrams of heater components with corresponding part numbers for identification.
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