Goldline Controls GL-235 Solar Pool Controller Installation and Operation Manual

The GL-235 is a differential temperature control for solar heating of pools, spas, and hot tubs. It provides differential temperature control with an adjustable, calibrated water temperature high limit. Automatic nocturnal cooling (for pools that overheat in hot climates) and recirculate freeze protection functions can be enabled/disabled via internal jumpers. Input power can be either 115 or 240 VAC. The output controls a 24VAC automatic valve.

Brand: Goldline
Document type: User Manual
Language: English
Pages: 12
File format: PDF
File size: 306 KB
Published: 11 July, 2012
Updated: 29 September, 2023
Model: GL-235
MD5 checksum: 79B8303A9D256B35DDFF842827E72C51
PDF: Goldline Controls GL-235 Solar Pool Controller Installation and Operation Manual PDF

About this manual

The document provides installation instructions for the GL-235 differential temperature control used in solar heating systems for pools, spas, and hot tubs. It details requirements for mounting the unit outdoors at a minimum distance of 5 feet from the pool or spa, as well as specific wiring procedures for power input (115VAC or 240VAC) and low/high voltage outputs.

What's inside

Description
Specifications
Installation
Mounting
Power Input
Grounding
Low Voltage Output
High Voltage Output
Sensor Mounting and Wiring
Freeze Protection

Specifications

Input Power (115VAC)	105-130VAC, 5A 50/60Hz
Differential Setting	On at 4°F, off at 1.5°F

Frequently asked questions

What is the minimum distance required between the controller and the pool?

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

How do I enable recirculate freeze protection?

Install the jumper across both pins marked 'RECIRC' located near the top right of the main circuit board.

What type of fuse is required for the GL-235?

The unit requires a 2A, type ATO-2 fuse.

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