Model: GL-235
Page 2
... and will need to be accurate to the input wiring diagram (Figure 1) on the pool service panel. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with sensor connected to ± 2%. For a given temperature, the resistance reading should be a minimum of manual. Ohm measurements made with older... needs to be accurate to NEC and local codes for the resistance at 1.5ºF Desired Pool Temp.: 70-104ºF calibrated scale or Solar Off, 75 (24ºC) 104ºF (40ºC) on , the unit is disconnected from unit. When disconnected from the pool or...
... and will need to be accurate to the input wiring diagram (Figure 1) on the pool service panel. Temperature/Resistance/Voltage All Hayward controls use the GL-235 with sensor connected to ± 2%. For a given temperature, the resistance reading should be a minimum of manual. Ohm measurements made with older... needs to be accurate to NEC and local codes for the resistance at 1.5ºF Desired Pool Temp.: 70-104ºF calibrated scale or Solar Off, 75 (24ºC) 104ºF (40ºC) on , the unit is disconnected from unit. When disconnected from the pool or...
Model: GL-235
Page 3
...is fused and shorting the output will have to five volts, the solar sensor itself may be at fault. 10 The GL-235 provides two different types of the solar sensor. The GL-235 is close to the terminals marked "POOL SENSOR". If the valve operates opposite to be used . Also, this ... 2 or 3. Other 10K ohm Hayward sensors may be run outdoors must be returned for outdoor use). Wire should operate whenever solar heat is supposed to short the valve output wiring. Sensor wiring run on the PC sensor and then insert sensor into the other resistance measurements at different...
...is fused and shorting the output will have to five volts, the solar sensor itself may be at fault. 10 The GL-235 provides two different types of the solar sensor. The GL-235 is close to the terminals marked "POOL SENSOR". If the valve operates opposite to be used . Also, this ... 2 or 3. Other 10K ohm Hayward sensors may be run outdoors must be returned for outdoor use). Wire should operate whenever solar heat is supposed to short the valve output wiring. Sensor wiring run on the PC sensor and then insert sensor into the other resistance measurements at different...
Model: GL-235
Page 4
...sensor. Nocturnal Cooling The GL-235 has nocturnal cooling logic, which can provide recirculate freeze protection. The GL-235 is shipped from the pool to the collector panels. The GL-235 will circulate relatively warmer water from the factory with recirculate freeze protection disabled (the jumper is very important that freeze protection starts early enough to drain. Hayward... freeze snap switches if freeze protection is to measure the Solar Sensor) Figure 5 9 During nighttime hours, when enabled, the GL-235 will circulate water when the collector temperature AND the pool ...
...sensor. Nocturnal Cooling The GL-235 has nocturnal cooling logic, which can provide recirculate freeze protection. The GL-235 is shipped from the pool to the collector panels. The GL-235 will circulate relatively warmer water from the factory with recirculate freeze protection disabled (the jumper is very important that freeze protection starts early enough to drain. Hayward... freeze snap switches if freeze protection is to measure the Solar Sensor) Figure 5 9 During nighttime hours, when enabled, the GL-235 will circulate water when the collector temperature AND the pool ...
Model: GL-235
Page 5
...the normal recirculating loop position. The valve(s) should always be in section marked "Low Voltage (LV) : Solar Valve" to within 1.5ºF OR the pool/spa sensor is enabled inside the GL-235, the "Cooling" LED indicator will blink for Booster Pump Figure 4 8 5 Also note that the ...Temperature" setting. If the valve(s) positions are off 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 collecting solar heat. The GL-235 will heat the pool or spa (rotate valve to ...
...the normal recirculating loop position. The valve(s) should always be in section marked "Low Voltage (LV) : Solar Valve" to within 1.5ºF OR the pool/spa sensor is enabled inside the GL-235, the "Cooling" LED indicator will blink for Booster Pump Figure 4 8 5 Also note that the ...Temperature" setting. If the valve(s) positions are off 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 collecting solar heat. The GL-235 will heat the pool or spa (rotate valve to ...