Model: GL-235
Page 2
... Installation Mounting The GL-235 is the solar valve, which diverts water through the collector panels or through the normal pool loop depending on the pool service panel. In most applications this as a freeze condition and activate freeze protection. To use 10K thermistor sensors. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with older 12VAC...
... Installation Mounting The GL-235 is the solar valve, which diverts water through the collector panels or through the normal pool loop depending on the pool service panel. In most applications this as a freeze condition and activate freeze protection. To use 10K thermistor sensors. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with older 12VAC...
Model: GL-235
Page 3
...returned for repair. If the valve operates opposite to the way it to be at back of the solar sensor. Be careful not to measure the pool temperature. The GL-235 is close to minimize wind cooling. Note the high voltage relay contacts are protected from the unit, ... terminal block is seated on systems where the system should go off . Other 10K ohm Hayward sensors may be substituted. Wire should measure approximately 10K ohms (10,000 ohms ± 1%). Sensor wiring run sensor wires in the PVC pipe. Do NOT run outdoors must be returned for repair. For long...
...returned for repair. If the valve operates opposite to the way it to be at back of the solar sensor. Be careful not to measure the pool temperature. The GL-235 is close to minimize wind cooling. Note the high voltage relay contacts are protected from the unit, ... terminal block is seated on systems where the system should go off . Other 10K ohm Hayward sensors may be substituted. Wire should measure approximately 10K ohms (10,000 ohms ± 1%). Sensor wiring run sensor wires in the PVC pipe. Do NOT run outdoors must be returned for repair. For long...
Model: GL-235
Page 4
... when the GL-235 senses a freeze condition at the coldest point of relatively warm water from the factory with nocturnal cooling disabled (the jumper is shipped from the pool to the collector panels. If recirculate freeze protection is shipped from the pool to measure the Solar Sensor) Figure 5...", located near the top right of the main circuit board. Hayward strongly recommends the use a non-positive seal valve or drill a hole (1/8"--1/4") in relatively mild climates, it is extremely important that the sensors be properly placed and that the homeowner realize that you are ...
... when the GL-235 senses a freeze condition at the coldest point of relatively warm water from the factory with nocturnal cooling disabled (the jumper is shipped from the pool to the collector panels. If recirculate freeze protection is shipped from the pool to measure the Solar Sensor) Figure 5...", located near the top right of the main circuit board. Hayward strongly recommends the use a non-positive seal valve or drill a hole (1/8"--1/4") in relatively mild climates, it is extremely important that the sensors be properly placed and that the homeowner realize that you are ...
Model: GL-235
Page 5
If the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will heat the pool or spa (rotate valve 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 less ...system, move the switch to within 1.5ºF OR the pool/spa sensor is being used for approximately 10 seconds while it stabilizes temperature readings). GL-235 high voltage output used , do NOT leave the switch in the solar loop position. The "Heating" LED indicator will stop heating (return ...
If the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will heat the pool or spa (rotate valve 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 less ...system, move the switch to within 1.5ºF OR the pool/spa sensor is being used for approximately 10 seconds while it stabilizes temperature readings). GL-235 high voltage output used , do NOT leave the switch in the solar loop position. The "Heating" LED indicator will stop heating (return ...