by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
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 | Aug 2, 2011 | Frequently Asked Questions
There are two basic way to test a system to ensure that the control(s) will work when snow and/or ice are detected. The first way is to simulate the conditions required for operation. Lower the temperature of the sensor if it is not cold enough out and then get the...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
The high temperature limit sensor is intended for two purposes, either as a slab sensor when the APS C series unit is used for heating side walks, patios or drives or for ambient air temperature when the unit is used for roof and gutter melt systems. In roof and...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
The high temperature limit dial is used to set the maximum temperature that the unit will work at. When the High temperature limit sensor detects a temperature higher than what is selected on the dial it overrides the system and shuts it off. This function can be used...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
A flashing supply light indicates a missing or broken High Temperature Limit sensor. All APS C series control panels include a temperature sensor for measuring pavement slab or ambient air temperature. Its signal is used to provide an adjustable high limit thermostat...