Jandy Legacy LRZ Pool Heater Manual

The Jandy Legacy LRZ Pool Heater is a high-efficiency gas pool heater designed for residential swimming pools, featuring electronic ignition, digital temperature control, corrosion-resistant heat exchanger, low NOx emissions, thermal regulator, pressure switch, and safety controls. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Digital control panel, Gas valve, Heat exchanger, Thermal regulator, Pressure switch, Venturi, Ignition system.

Installation

Unpack and inspect contents. Position on level, stable surface near pool equipment.

1. Gas connection: Use approved gas piping; check for leaks with soap solution.
2. Water connections: Connect to pool plumbing using appropriate fittings.
3. Electrical connection: Connect to proper power source per local codes.
4. Venting: Ensure proper ventilation according to manufacturer specifications.

WARNING! Installation must be performed by qualified technician. Ensure proper clearances from combustible materials.

First-Time Setup

Power on heater; follow startup procedure.

1. Check water flow: Ensure pool pump is running and water is flowing.
2. Set temperature: Use digital controls to set desired pool temperature.
3. Test ignition: Heater should ignite automatically when temperature is set.
4. Monitor operation: Verify proper heating and check for error codes.

CAUTION! Do not operate without proper water flow. Ensure all connections are secure before starting.

Specifications

• Heater Type: Natural gas/LP gas pool heater
• BTU Output: Various models available (check specific model)
• Efficiency: High-efficiency heat exchanger design
• Control System: Digital electronic controls
• Ignition: Electronic spark ignition
• Water Connections: 2-inch plumbing connections
• Gas Connection: 3/4-inch NPT
• Electrical: 120V AC, 60Hz
• Operating Temp Range: 80°F to 104°F

Controls and Settings

Access controls via digital panel. Front Panel: POWER, TEMP UP/DOWN, STATUS indicator.

Digital Display: Shows current water temperature, set temperature, error codes, and system status.

Temperature Control: Adjust set point between 80°F and 104°F. System Settings: Access service modes for technician use only. Safety Features: High limit switch, pressure switch, thermal regulator, flame sensor.

Connecting to Pool System

Water connections: Inlet and outlet plumbing. Gas: Natural gas or LP connection. Electrical: Power supply connection.

1. Turn off all power and gas before connecting.
2. Install unions on water connections for service access.
3. Use pipe sealant approved for gas connections.
4. Verify water flow direction (inlet/outlet marked on heater).

Tip: Install isolation valves for easy maintenance and service.

Operation

Automatic operation when pool temperature drops below set point.

1. Startup: Set desired temperature; heater ignites automatically when needed.
2. Monitoring: Check digital display for current status and temperature.
3. Adjustment: Change temperature setting as needed for seasonal changes.
4. Shutdown: Turn off when not in use for extended periods.

WARNING! Never operate without proper water flow. Monitor for unusual noises or odors.

Maintenance

Regular maintenance ensures optimal performance and longevity.

1. Annual inspection: Have qualified technician inspect and service.
2. Clean heat exchanger: Remove debris and scale buildup.
3. Check gas connections: Verify no leaks with soap solution.
4. Inspect venting: Ensure clear and unobstructed.
5. Test safety controls: Verify proper operation of all safety features.

Care & Cleaning

Keep exterior clean and free of debris. Clean heat exchanger annually.

CAUTION! Turn off power and gas before cleaning. Use only approved cleaning solutions.

Regulatory Information

UL listed; complies with ANSI standards for pool heaters. Certified for low NOx emissions. Copyright © Jandy. For support, visit www.jandy.com or contact 1-800-227-1442.

Troubleshooting

Reset: Turn power off for 30 seconds then restart.

Service: 1-800-227-1442; www.jandy.com