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Operation

For normal operation place the switch in the “AUTO” position and adjust the desired pool/spa
temperature setting.  The “Power” LED indicator should always be on.  (NOTE: During initial power
up, the “POWER indicator will blink for approximately 10 seconds while it stabilizes temperature
readings). The “Heating” LED indicator will show when the system is collecting solar heat.  If the
nocturnal cooling function is enabled inside the GL-235, the “Cooling” LED indicator will show when
the system is dissipating excess heat.

In the “AUTO” position, the GL-235 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 than the high limit setting.  The GL-235 will stop heating
(return valve to pool loop) when the two sensor temperatures get to within 1.5ºF OR the pool/spa
sensor is above the high limit setting.

To test the system, move the switch to “MANUAL TEST” and verify that both the “Heating” and
“Cooling” indicators light and that the valve(s) are in the solar loop position.  Move the switch to
“MANUAL OFF” and verify that all indicators except “Power” are off.  The valve(s) should be in
the normal recirculating loop position.  If the valve(s) positions are working in reverse, follow the
instructions in section marked 

“Low Voltage (LV) : Solar Valve”

 to correct.  

WARNING:  If

recirculate freeze protection is being used, do NOT leave the switch in the “MANUAL
OFF” position during cold weather

.  Also note that the switch does NOT turn power off to the

GL-235.

Troubleshooting

No Power Indicator

Check main power circuit breakers.

Check fuse

Fuse Replacement

The GL-235 is protected by a fuse located on the left upper side of the main circuit board.  Replace
the fuse with a 2A, type 3AG SLO-BLO fuse, readily available in most electrical or electronics stores.

If  “Heating” is always on

Disable recirculate freeze protection if enabled.  Check that the switch is in the “AUTO” position.
Next verify that the control circuitry is operating properly by disconnecting the solar sensor from
the terminal block.  The “Heating” LED should go off and the “CHECK SENSOR” LED should begin
to blink.  If  “Heating” remains on, there is an internal circuit failure and the GL-235LV will have
to be returned for repair.

If  “Heating” never comes on

Verify that the switch is in the “AUTO” position, the desired pool temperature dial is set higher
(hotter) that the actual pool temperature, and the solar sensor is warmer than the pool water.  Also
check that the switch on the valve actuator is NOT in the "OFF" position.  Disconnect the pool
sensor from the terminal block and verify that the “CHECK SENSOR” LED turns on.  If the “CHECK
SENSOR” LED does not turn on, there is an internal failure and the GL-235 will have to be returned
for repair.  Reconnect  the pool sensor and verify that the “Check Sensor” LED turns off.  Next,
disconnect the “solar” sensor from the terminal block and verify that the “CHECK SENSOR” LED
begins to blink.  If the “CHECK SENSOR” LED does not begin to blink, there is an internal failure
and the GL-235 will have to be returned for repair.

5

Содержание GL-235-LV

Страница 1: ...3NF of the pool tem perature or the pool temperature is lowered below the set desired temperature SINGLE SETTING FOR DESIRED TEMPERATURE The GL 235 logic is set by a single dial adjustment with the d...

Страница 2: ...eplacement SEE WARRANTY STATEMENT FOR COMPLETE DETAILS Service You Can Count On Visit www goldlinecontrols com or call 800 343 0826 to speak with a qualified technical support representative Our techn...

Страница 3: ...GL 235 Solar Pool Controller Installation OperationManual for models GL 235 LV GL 235 LV HV www goldlinecontrols com 888 921 7665 North Kingstown RI USA LDLINE CONTROLS INC G...

Страница 4: ...s spas and hot tubs These models provide differential temperature control with an adjustable calibrated water temperature high limit Automatic nocturnal cooling for pools that overheat in hot climates...

Страница 5: ...ery important if recirculate freeze protection or nocturnal cooling functions are being used Also this function can be used on systems where the system should operate whenever solar heat is available...

Страница 6: ...protection starts early enough to protect the system The GL 235 is shipped from the factory with recirculate freeze protection disabled the jumper is present but installed on one pin only To activate...

Страница 7: ...n the MANUAL OFF position during cold weather Also note that the switch does NOT turn power off to the GL 235 Troubleshooting No Power Indicator Check main power circuit breakers Check fuse Fuse Repla...

Страница 8: ...SENSOR indicator blinking If the CHECK SENSOR indicator is blinking there may be a possible open circuit or short circuit with the solar sensor Using a voltmeter measure the voltage across the termina...

Страница 9: ...BasicInstallationofGL 235 LV Figure2 7...

Страница 10: ...GL 235 LV HVwithHighVoltageOutputusedforTimerOverride Figure3 8...

Страница 11: ...GL 235 LV HVwithHighVoltageOutputusedforBoosterPump Figure4 9...

Страница 12: ...10 Measuring Voltage of Pool Sensor Use the same method to measure the Solar Sensor Figure5...

Страница 13: ...29 51 19 377 3 30 91 7 164 2 09 131 2 987 1 15 12 58 774 4 27 52 18 870 3 27 92 6 999 2 06 132 2 926 1 13 13 57 014 4 25 53 18 377 3 24 93 6 839 2 03 133 2 867 1 11 14 55 313 4 23 54 17 899 3 21 94 6...

Страница 14: ...warrants its solar control products installed outside of the USA or Canada to be free from defects in material or workmanship under normal use and service for one year from date of the initial system...

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