Jandy LRZ Manual

The Jandy LRZ is a high-performance pool and spa control system featuring advanced automation capabilities, remote control access, water temperature management, pump control, lighting control, and safety features. Designed for residential and commercial pool applications with easy installation and user-friendly interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main control unit, Remote control panel, Temperature sensors, Pump relay outputs, Valve actuators, Power supply unit.

Feature	Description
Main control unit	Central processing and relay control for all pool systems
Remote control panel	Wall-mounted interface for system operation
Temperature sensors	Water and air temperature monitoring
Pump relay outputs	Controls pool pump operation and speed settings
Valve actuators	Automated control of pool water flow direction
Power supply unit	24V AC transformer for system power
Lighting control	Pool and spa lighting operation
Heater control	Pool and spa water temperature regulation
Timer functions	Programmable operation schedules
Safety shutdown	Automatic system protection features

Installation

Unpack and inspect contents. Install in dry, protected location.

1. Mount control unit: Choose indoor location away from moisture and direct sunlight.
2. Connect power supply: Use dedicated 120V AC circuit with proper grounding.
3. Connect pump and heater: Follow wiring diagram for proper relay connections.
4. Install temperature sensors: Place in appropriate locations for accurate readings.
5. Connect valve actuators: Ensure proper alignment and wiring.

WARNING! Electrical installation must be performed by qualified technician. Ensure all connections are secure and properly grounded.

First-Time Setup

Power on system; follow initial configuration prompts.

1. Set date and time: Use menu system to configure current date and time.
2. Configure pump settings: Set pump type, speed settings, and run times.
3. Set temperature limits: Configure desired pool and spa temperature ranges.
4. Program lighting: Set pool and spa light operation schedules.
5. Test all functions: Verify proper operation of all connected equipment.

CAUTION! Ensure proper water chemistry before operating pool equipment.

Specifications

• Power Supply: 24V AC, 40VA transformer
• Operating Voltage: 120V AC, 60Hz
• Relay Outputs: 8 programmable relays
• Temperature Range: 50°F to 104°F (10°C to 40°C)
• Communication: RS-485 protocol for remote control
• Enclosure Rating: NEMA 3R for outdoor use
• Memory: Non-volatile memory for program storage
• Display: LCD with backlight for easy viewing

Controls and Settings

Access system menu via control panel buttons. Front Panel: MENU, SELECT, UP/DOWN arrows, ENTER, BACK.

Remote Control: POWER, MODE, TEMP UP/DOWN, LIGHT, PUMP, MENU, SELECT, ENTER.

System Settings: Date/Time, Temperature units (°F/°C), Language selection. Pump Control: Speed settings, Run times, Schedule programming. Heater Control: Set point temperature, Heater type configuration. Lighting: On/Off control, Color settings, Schedule programming. Valve Control: Position settings, Program sequences.

Connecting Devices

Pump connections: Relay outputs 1-4. Heater connections: Relay output 5. Lighting: Relay outputs 6-7. Auxiliary: Relay output 8.

1. Turn off main power before making connections.
2. Follow wiring diagram for proper terminal connections.
3. Use appropriate gauge wire for all connections.
4. Test each connection before final installation.

Tip: Label all wires for easy identification during maintenance.

Operating Modes

Supports automatic, manual, and service modes.

1. Automatic Mode: Follows programmed schedule for all functions.
2. Manual Mode: Override automatic operation for immediate control.
3. Service Mode: Disables automatic functions for maintenance.
4. Freeze Protection: Automatic pump operation during freezing conditions.
5. Vacation Mode: Reduced operation for energy savings.
6. Quick Clean: Enhanced filtration for water cleaning.

WARNING! Do not operate pool without proper water level and filtration.

Safety Features

Freeze Protection: Automatic pump operation below 34°F. High Limit Protection: Prevents overheating. Low Water Protection: Shuts off pump if water level is low. Child Safety Lock: Prevents unauthorized operation.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

1. Monthly: Check all connections and clean control panel.
2. Quarterly: Verify temperature sensor accuracy.
3. Annually: Professional inspection of all electrical components.
4. As needed: Update firmware for latest features.

CAUTION! Disconnect power before performing any maintenance.

Regulatory Information

UL Listed: Meets UL 1563 standards for pool and spa equipment. FCC Part 15: Class A digital device compliance. CSA Certified: Canadian Standards Association approval. Copyright © 2024 Jandy Products; all rights reserved. For technical support, visit www.jandy.com or contact 1-800-227-1442.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display on control panel	Power loss or transformer issue	Check power supply and circuit breaker; verify transformer output.
Pump not running	Relay failure or wiring issue	Check relay operation; verify pump wiring connections.
Inaccurate temperature reading	Sensor failure or placement	Replace temperature sensor; ensure proper sensor location.
Heater not activating	Communication error or limit switch	Check heater communication cable; verify high limit switch.
System not following schedule	Clock error or programming	Reset date/time; reprogram schedule settings.

Reset: Menu > System > Factory Reset if available.

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