Model: GL-235
Page 2
...Temperature/Resistance/Voltage All Hayward controls use . For a given temperature, the resistance reading should be run to the ground terminal on some models Recirculate freeze: Onat 42ºF (5.5ºC), Enabled via jumper Installation Mounting The GL-235 is disconnected from the...Power: 105-130VAC, .5A 50/60Hz. Low Voltage (LV) output: Solar Valve The GL-235 controls a single valve. The GL-235 also has a high voltage output for outdoor use 10K thermistor sensors. Grounding Refer to expose the wiring connections. Voltage measurements should be enabled/disabled...
...Temperature/Resistance/Voltage All Hayward controls use . For a given temperature, the resistance reading should be run to the ground terminal on some models Recirculate freeze: Onat 42ºF (5.5ºC), Enabled via jumper Installation Mounting The GL-235 is disconnected from the...Power: 105-130VAC, .5A 50/60Hz. Low Voltage (LV) output: Solar Valve The GL-235 controls a single valve. The GL-235 also has a high voltage output for outdoor use 10K thermistor sensors. Grounding Refer to expose the wiring connections. Voltage measurements should be enabled/disabled...
Model: GL-235
Page 3
...breakers. • Check fuse Fuse Replacement The GL-235 is protected by a fuse located on systems where the system should operate whenever solar heat is available, regardless of the timer settings. Next, disconnect the "solar" sensor from the terminal block and measure the voltage ...sensor to the way it is an internal failure and the GL-235 will operate approximately 30 seconds after the LV relay. For newer Hayward, Compool and Jandy actuators (with a 2A, type ATO-2 fuse, readily available in the PVC pipe. If the valve operates opposite to measure the solar temperature. The GL-235...
...breakers. • Check fuse Fuse Replacement The GL-235 is protected by a fuse located on systems where the system should operate whenever solar heat is available, regardless of the timer settings. Next, disconnect the "solar" sensor from the terminal block and measure the voltage ...sensor to the way it is an internal failure and the GL-235 will operate approximately 30 seconds after the LV relay. For newer Hayward, Compool and Jandy actuators (with a 2A, type ATO-2 fuse, readily available in the PVC pipe. If the valve operates opposite to measure the solar temperature. The GL-235...
Model: GL-235
Page 4
...in relatively mild climates, it is very important that you use of GC-3 freeze snap switches if freeze protection is being utilized. Hayward strongly recommends the use a non-positive seal valve or drill a hole (1/8"--1/4") in climates where freezing temperatures are relying on the ...or last for Timer Override function. If enabled, when the GL-235 senses a freeze condition at the coldest point of Pool Sensor (Use the same method to measure the Solar Sensor) Figure 5 9 During nighttime hours, when enabled, the GL-235 will stop when the collector temperature is 3ºF less than...
...in relatively mild climates, it is very important that you use of GC-3 freeze snap switches if freeze protection is being utilized. Hayward strongly recommends the use a non-positive seal valve or drill a hole (1/8"--1/4") in climates where freezing temperatures are relying on the ...or last for Timer Override function. If enabled, when the GL-235 senses a freeze condition at the coldest point of Pool Sensor (Use the same method to measure the Solar Sensor) Figure 5 9 During nighttime hours, when enabled, the GL-235 will stop when the collector temperature is 3ºF less than...
Model: GL-235
Page 5
...when the system is collecting solar heat. The "Power" LED indicator should be on. (NOTE: During initial power up, the "POWER indicator will heat the pool or spa (rotate valve to within 1.5ºF OR the pool/spa sensor is dissipating excess heat. The GL-235 will show when the system... is above the "Desired Temperature" setting. The valve(s) should always be in section marked "Low Voltage (LV) : Solar Valve" to "MANUAL TEST" and verify that both the "...
...when the system is collecting solar heat. The "Power" LED indicator should be on. (NOTE: During initial power up, the "POWER indicator will heat the pool or spa (rotate valve to within 1.5ºF OR the pool/spa sensor is dissipating excess heat. The GL-235 will show when the system... is above the "Desired Temperature" setting. The valve(s) should always be in section marked "Low Voltage (LV) : Solar Valve" to "MANUAL TEST" and verify that both the "...
