by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
The high limit temperature sensor is intended for two purposes, either as a slab sensor when the APS-C series unit is used for heating sidewalks, patios or drives or for ambient air temperature when the unit is used for roof and gutter melt systems.In roof and gutter...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
Yes, you can simulate a sensor call for heat to test the system by putting a jumper between pins 1 and 2 of the class two terminal blocks, the system will respond as if the sensor were seeing snow conditions. The snow and heat indicators will come on and relay or...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs, Snow & Ice Sensors FAQs
There can be several reasons for this. First, start by checking the snow sensor supply voltage between pins 2 and 3 of the class two terminal blocks. It should be close to 24 VDC (the label on some unit incorrectly say 24VAC). If there is no voltage then check the...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
The GFEP indicator will come on when a ground fault occurs in one of the heater circuits. The insulating resistance of the heater cable is breaking down or the cable has been damaged allowing current to pass to ground thru an incorrect pathway. Left un-repaired the...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
APS-4C to SC-40C connections are done on the Class 2 terminal blocks on both units as follows. APS-4C Pin SC-40C Pin Next SC-40C Pin 4———————4————————–4...
