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Zodiac Jandy Legacy LRZ Millivolt User Manual

Zodiac Jandy Legacy LRZ Millivolt
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WARNING
FOR YOUR SAFETY: This product must be installed and serviced by a contractor who is licensed and qualified
in pool equipment by the jurisdiction in which the product will be installed where such state or local requirements
exists. In the event no such state or local requirement exists, the installer or maintainer must be a professional with
sufficient experience in pool equipment installation and maintenance so that all of the instructions in this manual
can be followed exactly. Before installing this product, read and follow all warning notices and instructions that
accompany this product. Failure to follow warning notices and instructions may result in property damage, personal
injury, or death. Improper installation and/or operation can create carbon monoxide gas and flue gases which can
cause serious injury, property damage, or death. For indoor installations, as an additional measure of safety, Zodiac
Pool Systems, Inc. strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this
appliance and in any adjacent occupied spaces. Improper installation and/or operation will void the warranty.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
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.
If these instructions are not followed exactly, a fire or explosion may result,
causing property damage, personal injury, or death.
H0299600 Rev G

Table of Contents

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Zodiac Jandy Legacy LRZ Millivolt Specifications

General IconGeneral
BrandZodiac
ModelJandy Legacy LRZ Millivolt
CategorySwimming Pool Heater
LanguageEnglish

Summary

Installation Instructions

Venting and Combustion Air

Combustion Air Supply Requirements

Ensuring adequate air supply for safe combustion and ventilation.

Gas Connections

Water Connections

Electrical and Controls

Operating Instructions

Normal Operation and Start-Up

How the heater operates normally and initial start-up precautions.

Lighting, Shutdown, and Temperature Control

Steps for lighting, shutting down, and setting the temperature control.

Pressure Switch and Temperature Rise Adjustment

Adjusting the pressure switch and measuring/adjusting water temperature rise.

Maintenance and Service

Troubleshooting and Electrical Diagnostics

General Heater Troubleshooting

Common heater problems, causes, and solutions for operational issues.

Electrical Troubleshooting Procedures

Detailed steps for diagnosing electrical issues in the control circuit.

Component-Specific Electrical Checks

Testing pilot generator, fusible links, limit switches, and pressure switch.

Temperature Control Circuit Testing

Diagnosing faults within the temperature control circuit components.

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