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GL-235

Solar Pool Controller

Installation & Operation Manual

www.goldlinecontrols.com

N. Kingstown, RI 02852 USA

092007G

LIMITED WARRANTY Goldline warrants its Aqua Rite, Aqua Rite Pro, Aqua Trol, Aqua Logic

and Pro Logic products (products with Goldline part numbers starting with AQ-RITE-, AQ-RT-

PRO, AQ-TROL-, AQ-LOGIC-, AQL-P-, AQL-PS-, AQL-CL-, PL-P-, PL-PS-, and HPC-2) to be

free from defects in material or workmanship, under normal use and service:

For three years from the date of the initial system installation on private, residential swimming

pools within the USA or Canada and one year from the date of initial system installation on

commercial installations, installations outside of the USA or Canada and for any replacement parts

or accessory products, provided they are installed in accordance with the Goldline installation

instructions and specifications provided with the product. If written proof of the date of the initial

system installation is not provided to Goldline, the manufacturing datecode on the Aqua Rite, Aqua

Rite Pro, Aqua Trol, Aqua Logic and Pro Logic electronics unit will be the sole determinant of the

date of the initial system installation.

For residential installations in USA or Canada: If a product is defective in workmanship or materials

and is removed and returned freight prepaid within three (3) years after the date of the initial system

installation, Goldline will, at its option, either repair or replace the defective product and return

it freight prepaid.

For commercial installations, installations outside the USA and Canada, and accessory products and

replacement parts: If a product is defective in workmanship or materials and is removed and returned

freight prepaid within one (1) year after the date of the initial system installation, Goldline will,

at its option, either repair or replace the defective product and return it freight prepaid.

Contact any Goldline dealer or contact Goldline at 61 Whitecap Drive, North Kingstown, RI 02852

for warranty service. The costs incurred in removal and/or reinstallation of the product are NOT

covered under this warranty. Some states do not allow limitations on how long an implied warranty

lasts, so the above limitation may not apply to you.

WARRANTY EXCLUSIONS:

1. Material supplied or workmanship performed by others in process of installation.

2. Damage resulting from improper installation including installation on pools larger than the

product rating.

3. Problems resulting from failure to operate the product(s) in accordance with the recom-

mended instructions contained in product’s owners manual(s).

4. Problems resulting from failure to maintain pool water chemistry in accordance with the

recommendations in the owners manual(s).

5. Problems resulting from tampering, accident, abuse, negligence, unauthorized repairs or

alternations, fire, flood, lightning, freezing, external water, degradation of natural stone used

in or immediately adjacent to a pool or spa, war or acts of God.

DISCLAIMER. THE EXPRESS LIMITED WARRANTY ABOVE CONSTITUTES THE

ENTIRE WARRANTY OF GOLDLINE WITH RESPECT TO ITS POOL AUTOMATION AND

CHLORINATION PRODUCTS AND IS IN LIEU OF ALL OTHER WARRANTIES, EX-

PRESSED OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY GIVES YOU SPECIFIC

LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM

STATE TO STATE. IN NO EVENT SHALL GOLDLINE BE RESPONSIBLE FOR ANY

CONSEQUENTIAL, SPECIAL OR INCIDENTAL DAMAGES OF ANY NATURE WHATSO-

EVER, INCLUDING, BUT NOT LIMITED TO, PERSONAL INJURY, PROPERTY DAMAGE,

DAMAGE TO OR LOSS OF EQUIPMENT, LOST PROFITS OR REVENUE, COSTS OF

RENTING REPLACEMENTS, AND OTHER ADDITIONAL EXPENSES, EVEN IF THE

SELLER HAD BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME

STATES DO NOT ALLOW THE EXCLUSION OF LIMITATION OF INCIDENTAL OR

CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY

NOT APPLY TO YOU.

NO WHOLESALER, AGENT, DEALER, CONTRACTOR OR OTHER PERSON IS AUTHO-

RIZED TO GIVE ANY WARRANTY ON BEHALF OF GOLDLINE.

THIS WARRANTY IS VOID IF THE PRODUCT HAS BEEN ALTERED IN ANY WAY AFTER

LEAVING THE FACTORY.

LINE

ROLS

Summary of content (12 pages)

PAGE 1
LIMITED WARRANTY Goldline warrants its Aqua Rite, Aqua Rite Pro, Aqua Trol, Aqua Logic and Pro Logic products (products with Goldline part numbers starting with AQ-RITE-, AQ-RTPRO, AQ-TROL-, AQ-LOGIC-, AQL-P-, AQL-PS-, AQL-CL-, PL-P-, PL-PS-, and HPC-2) to be free from defects in material or workmanship, under normal use and service: For three years from the date of the initial system installation on private, residential swimming pools within the USA or Canada and one year from the date of initial system in
PAGE 2
Temperature/Resistance/Voltage Description 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. All Goldline controls use 10K thermistor sensors.
PAGE 3
All controls are shipped with the output voltage set to the industry standard 24VAC. To use the GL235 with older 12VAC valves, move jumper J4, located on the right side of the circuit board. The GL-235 provides two different types of connections to the pool/spa actuators. For older actuators with no wire end connector, a 3 position terminal block is used. Connect the wires to the proper terminal block according to the color code shown in Figure 4.
PAGE 4
Freeze Protection If you are relying on the collectors naturally draining to provide freeze protection, it is very important that you use a non-positive seal valve or drill a hole (1/8"--1/4") in the diverter of a positive seal valve to allow the collectors to drain. Alternatively, the GL-235 control can provide recirculate freeze protection.
PAGE 5
Operation For normal operation place the switch in the “AUTO” position and adjust the desired pool/spa temperature setting. The “Power” LED indicator should always be on. (NOTE: During initial power up, the “POWER indicator will blink for approximately 10 seconds while it stabilizes temperature readings). The “Heating” LED indicator will show when the system is collecting solar heat.
PAGE 6
“CHECK SENSOR” indicator on If the “CHECK SENSOR indicator is on and NOT blinking, there may be a possible open circuit or short circuit with the pool sensor. Using a voltmeter, measure the DC voltage across the terminals of the pool sensor as indicated in figure 5. If the voltage is close to zero volts, the sensor has a short to ground. Remove the sensor from the terminal block and measure the voltage across the pool terminals again.
PAGE 7
“CHECK SENSOR” indicator on If the “CHECK SENSOR indicator is on and NOT blinking, there may be a possible open circuit or short circuit with the pool sensor. Using a voltmeter, measure the DC voltage across the terminals of the pool sensor as indicated in figure 5. If the voltage is close to zero volts, the sensor has a short to ground. Remove the sensor from the terminal block and measure the voltage across the pool terminals again.
PAGE 8
Operation For normal operation place the switch in the “AUTO” position and adjust the desired pool/spa temperature setting. The “Power” LED indicator should always be on. (NOTE: During initial power up, the “POWER indicator will blink for approximately 10 seconds while it stabilizes temperature readings). The “Heating” LED indicator will show when the system is collecting solar heat.
PAGE 9
Freeze Protection If you are relying on the collectors naturally draining to provide freeze protection, it is very important that you use a non-positive seal valve or drill a hole (1/8"--1/4") in the diverter of a positive seal valve to allow the collectors to drain. Alternatively, the GL-235 control can provide recirculate freeze protection.
PAGE 10
All controls are shipped with the output voltage set to the industry standard 24VAC. To use the GL235 with older 12VAC valves, move jumper J4, located on the right side of the circuit board. The GL-235 provides two different types of connections to the pool/spa actuators. For older actuators with no wire end connector, a 3 position terminal block is used. Connect the wires to the proper terminal block according to the color code shown in Figure 4.
PAGE 11
Temperature/Resistance/Voltage Description 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. All Goldline controls use 10K thermistor sensors.
PAGE 12
LIMITED WARRANTY Goldline warrants its Aqua Rite, Aqua Rite Pro, Aqua Trol, Aqua Logic and Pro Logic products (products with Goldline part numbers starting with AQ-RITE-, AQ-RTPRO, AQ-TROL-, AQ-LOGIC-, AQL-P-, AQL-PS-, AQL-CL-, PL-P-, PL-PS-, and HPC-2) to be free from defects in material or workmanship, under normal use and service: For three years from the date of the initial system installation on private, residential swimming pools within the USA or Canada and one year from the date of initial system in