Hayward GL-235 Aqua-Solar-Owners-Manual-092007GRevK
Hayward GL-235 Manual
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- Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 1
092007G RevK Aqua Solar Electronic Solar Control Owner's Manual Contents Installation 1 Operation 4 Troubleshooting 9 Warranty 12 GL-235 Hayward Industries 400 Connell Drive, Suite 6100 Berkeley Heights, NJ 07922 Phone: (908) 355-7995 www.hayward.com - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 2
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 must be run to the ground terminal on the pool service panel. 1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 3
: Timeclock Override The GL-235 can also be used sensor to measure the pool temperature and another PC sensor to measure the solar temperature. Alternatively, an SC-¼ sensor can be screwed into the pump strainer basket to measure the pool temperature. 2 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 4
freeze protection. If enabled, when the GL-235 senses a freeze condition at the collector sensor, it will allow circulation of relatively warm water from the pool to the collector panels. The GL-235 will allow recirculation when the collector temperature falls below 40ºF and will stop circulation - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 5
the instructions in section marked "Low Voltage (LV) : Solar Valve" to correct. WARNING: If recirculate freeze protection is being used, do NOT leave the switch in the "MANUAL OFF" position during cold weather. Also note that the switch does NOT turn power off to the GL-235. 4 USE ONLY HAYWARD - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 6
Figure 2 Basic Installation of GL-235 5 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 7
Figure 3 GL-235 high voltage output used for Timer Override 6 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 8
Figure 4 GL-235 high voltage output used for Booster Pump 7 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 9
Figure 5 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) 8 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 10
an internal circuit failure and the GL-235 will have to be returned for repair. If "Heating" never comes on Verify that the switch is in the "AUTO" position, the desired pool temperature dial is set higher (hotter) that the actual pool temperature, and the solar sensor is warmer than the pool water - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 11
the unit and freeze protection has been enabled, the GL-235 will recognize this as a freeze condition and activate freeze protection. Temperature/Resistance/Voltage All Hayward controls use 10K thermistor sensors. When disconnected from the control the sensor will read 10K ohms at 25ºC/77ºF. Refer - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 12
79 9,525 2.44 119 3,839 1.39 159 1,720 0.73 40 26,100 3.61 80 9,297 2.41 120 3,758 1.37 160 1,688 0.72 11 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 13
defects in materials and workmanship. Hayward warrants all accessories and replacement parts for the above-identified pool automation and chlorination products for a period of one (1) year. Accessories also include remotes, actuators, base stations, temperature sensors, flow switches and chemistry - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 14
13 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 15
14 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS - Hayward GL-235 | Aqua-Solar-Owners-Manual-092007GRevK - Page 16
For further information or consumer technical support, visit our website at www.hayward.com Hayward is a registered trademark © 2019 Hayward Industries, Inc. All other trademarks not owned by Hayward are the property of their respective owners. Hayward is not in any way affiliated with or endorsed
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Hayward Industries
400 Connell Drive, Suite 6100
Berkeley Heights, NJ 07922
Phone: (908) 355-7995
www.hayward.com
Contents
Installation
....................................
1
Operation
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4
Troubleshooting
...........................
9
Warranty
......................................
12
Owner's Manual
GL-235
Aqua Solar
Electronic Solar Control
092007G
RevK