Model: GL-235
Page 2
...jumper Installation Mounting The GL-235 is designed for controlling a filter pump or booster pump. If the sensor is not returning the correct value, it to unit and power applied. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with the output ...given temperature, the resistance reading should be used. It provides differential temperature control with sensor connected to the terminals marked "SOLAR SENSOR". The output controls a 24VAC automatic valve actuator. The GL-235 also has a high voltage output for outdoor use. Differential: on at 4ºF, ...
...jumper Installation Mounting The GL-235 is designed for controlling a filter pump or booster pump. If the sensor is not returning the correct value, it to unit and power applied. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with the output ...given temperature, the resistance reading should be used. It provides differential temperature control with sensor connected to the terminals marked "SOLAR SENSOR". The output controls a 24VAC automatic valve actuator. The GL-235 also has a high voltage output for outdoor use. Differential: on at 4ºF, ...
Model: GL-235
Page 3
... have to blink. If "Heating" remains on, there is an internal failure and the GL-235 will have to measure the solar temperature. If the "CHECK SENSOR" LED does not begin to be returned for repair. For newer Hayward, Compool and Jandy actuators (with no wire end connector, a 3 position terminal block is close to zero...
... have to blink. If "Heating" remains on, there is an internal failure and the GL-235 will have to measure the solar temperature. If the "CHECK SENSOR" LED does not begin to be returned for repair. For newer Hayward, Compool and Jandy actuators (with no wire end connector, a 3 position terminal block is close to zero...
Model: GL-235
Page 4
...the high limit setting. 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 collectors naturally draining to provide freeze protection, it is to the collector panels. The GL-235 is shipped from the... starts early enough to measure the Solar Sensor) Figure 5 9 If enabled, when the GL-235 senses a freeze condition at the coldest point of Pool Sensor (Use the same method to protect the system. While this type of a power failure. The GL-235 will allow circulation of the main circuit...
...the high limit setting. 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 collectors naturally draining to provide freeze protection, it is to the collector panels. The GL-235 is shipped from the... starts early enough to measure the Solar Sensor) Figure 5 9 If enabled, when the GL-235 senses a freeze condition at the coldest point of Pool Sensor (Use the same method to protect the system. While this type of a power failure. The GL-235 will allow circulation of the main circuit...
Model: GL-235
Page 5
... protection is dissipating excess heat. Move the switch to solar loop) when the collector (solar) sensor temperature is higher than the pool/spa sensor temperature by 4ºF or more AND the pool/spa temperature is enabled inside the GL-235, the "Cooling" LED indicator will stop heating (return... in section marked "Low Voltage (LV) : Solar Valve" to within 1.5ºF OR the pool/spa sensor is collecting solar heat. If the valve(s) positions are working in reverse, follow the instructions in the normal recirculating loop position. GL-235 high voltage output used , do NOT leave the...
... protection is dissipating excess heat. Move the switch to solar loop) when the collector (solar) sensor temperature is higher than the pool/spa sensor temperature by 4ºF or more AND the pool/spa temperature is enabled inside the GL-235, the "Cooling" LED indicator will stop heating (return... in section marked "Low Voltage (LV) : Solar Valve" to within 1.5ºF OR the pool/spa sensor is collecting solar heat. If the valve(s) positions are working in reverse, follow the instructions in the normal recirculating loop position. GL-235 high voltage output used , do NOT leave the...