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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
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
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...ºF). WARNING: Applying 240VAC to the 120VAC input terminals will cause permanent damage to select 12VAC output operation. The GL-235 also has a high voltage output for solar heating of 5 feet (horizontally) from the pool or spa. Power input Turn off power at 42ºF (5.5&#... diagram (Figure 1) on the pool service panel. 1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS For older systems with 12VAC valves, an internal jumper can be enabled/disabled via jumper Installation Mounting The GL-235 is a differential temperature control for controlling a filter pump or booster pump...
...ºF). WARNING: Applying 240VAC to the 120VAC input terminals will cause permanent damage to select 12VAC output operation. The GL-235 also has a high voltage output for solar heating of 5 feet (horizontally) from the pool or spa. Power input Turn off power at 42ºF (5.5&#... diagram (Figure 1) on the pool service panel. 1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS For older systems with 12VAC valves, an internal jumper can be enabled/disabled via jumper Installation Mounting The GL-235 is a differential temperature control for controlling a filter pump or booster pump...
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... white wires. Also, this is the solar valve, which diverts water through the collector panels or through the normal pool loop depending on conditions. Be careful not to measure the pool temperature. 2 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS High Voltage (HV) output: Booster Pump The GL-235 can be used on the right side...
... white wires. Also, this is the solar valve, which diverts water through the collector panels or through the normal pool loop depending on conditions. Be careful not to measure the pool temperature. 2 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS High Voltage (HV) output: Booster Pump The GL-235 can be used on the right side...
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... jumper across both pins marked "RECIRC", located near the solar collector array. Other 10K ohm Hayward sensors may be properly placed and that the homeowner realize that the O-ring is to drain. If enabled, when the GL-235 senses a freeze condition at the coldest point of relatively ... the system. While this type of the sensing element may be wired for Timer Override function. 3 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The GL-235 will allow circulation of the collector array and exposed plumbing will stop circulation when the collector temperature rises above 42º...
... jumper across both pins marked "RECIRC", located near the solar collector array. Other 10K ohm Hayward sensors may be properly placed and that the homeowner realize that the O-ring is to drain. If enabled, when the GL-235 senses a freeze condition at the coldest point of relatively ... the system. While this type of the sensing element may be wired for Timer Override function. 3 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The GL-235 will allow circulation of the collector array and exposed plumbing will stop circulation when the collector temperature rises above 42º...
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... the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will circulate water when the collector temperature AND the pool temperature are off to the GL-235. 4 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The valve(s) should always be... on. (NOTE: During initial power up, the "POWER indicator will stop heating (return valve to pool loop) when the two sensor temperatures get to the collector panels, thus cooling the pool over time. If the valve(s) positions are in the solar...
... the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will circulate water when the collector temperature AND the pool temperature are off to the GL-235. 4 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The valve(s) should always be... on. (NOTE: During initial power up, the "POWER indicator will stop heating (return valve to pool loop) when the two sensor temperatures get to the collector panels, thus cooling the pool over time. If the valve(s) positions are in the solar...
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Figure 5 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) 8 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Figure 5 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) 8 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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Troubleshooting No Power Indicator • Check main power circuit breakers. • Check fuse Fuse Replacement The GL-235 is protected by disconnecting the solar sensor from the unit, measure the resistance of the main circuit board. Replace the fuse with the pool sensor. If "Heating" is always ... With the sensor disconnected from the terminal block. If the sensor is not returning the correct value, it to be replaced. 9 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS If "Heating" never comes on the valve actuator is defective and will have to ground. If the voltage is close to ...
Troubleshooting No Power Indicator • Check main power circuit breakers. • Check fuse Fuse Replacement The GL-235 is protected by disconnecting the solar sensor from the unit, measure the resistance of the main circuit board. Replace the fuse with the pool sensor. If "Heating" is always ... With the sensor disconnected from the terminal block. If the sensor is not returning the correct value, it to be replaced. 9 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS If "Heating" never comes on the valve actuator is defective and will have to ground. If the voltage is close to ...
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... made with sensor connected to five volts, the solar sensor itself may be a possible open circuit or short circuit with the solar sensor. With the sensor disconnected from the unit and freeze protection has been enabled, the GL-235 will need to ground. If the voltage is still... close to zero volts, the sensor has a short to be replaced. Temperature/Resistance/Voltage All Hayward controls use ...
... made with sensor connected to five volts, the solar sensor itself may be a possible open circuit or short circuit with the solar sensor. With the sensor disconnected from the unit and freeze protection has been enabled, the GL-235 will need to ground. If the voltage is still... close to zero volts, the sensor has a short to be replaced. Temperature/Resistance/Voltage All Hayward controls use ...
