Hayward GL-235 Solar Control Operation and Installation Manual

This document describes the five-year limited warranty for the Aqua Solar GL-235 solar controls and accessories manufactured by Hayward Inc. The warranty applies to products sold and installed within the USA and Canada, and covers defects in material or workmanship for 5 years from the date of manufacture. The warranty requires proper installation according to the instructions and specifications. Hayward does not cover the cost of product removal or reinstallation. This warranty supersedes any previous warranty statements prior to November 1, 2010.


Hayward GL-235 Solar Control Operation and Installation Manual - cover page
Brand
Hayward
Category
Other
Document type
User Manual
Language
English
Pages
6
File format
PDF
File size
400 KB
Published
11 July, 2012
Updated
29 September, 2023
MD5 checksum
7CF6967C6FCD711C7278B70CAB6D33B1

About this manual

The Hayward GL-235 is a differential temperature control designed for the solar heating of pools, spas, and hot tubs. It features an adjustable, calibrated water temperature high limit and supports automatic nocturnal cooling and recirculate freeze protection functions via internal jumpers. The unit accepts input power of either 115VAC or 240VAC and controls a 24VAC automatic valve actuator, with an option to switch to 12VAC for older systems.

What's inside

  • Warranty
  • Installation
  • Mounting
  • Power Input
  • Grounding
  • Low Voltage Output
  • Specifications
  • Sensor Testing

Specifications

Input Power115VAC or 240VAC
Output Voltage24VAC or 12VAC
Sensor Type10K thermistor
Temperature Accuracy±0.5ºF
Voltage Accuracy± 2%
Differential On4ºF
Desired Pool Temp Range70-104ºF

Frequently asked questions

What is the minimum distance required for mounting the GL-235 from the pool?

The GL-235 must be mounted a minimum of 5 feet horizontally from the pool or spa.

How do I configure the unit for older 12VAC valves?

To use the GL-235 with older 12VAC valves, you must move jumper J4 located on the right side of the circuit board.

What is the warranty period for Hayward solar products?

Hayward provides a five-year limited warranty covering defects in material or workmanship under normal use and service.

Download PDF (400 KB)

More Hayward Manuals


View all Hayward manuals →