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
No. Doing so will cause the GFEP circuit on the APS-4C to detect the inductive load of the contactor coil as ground fault and alarm the system every time the contactor is turned on. The APS-3C is designed without an internal GREP circuit so it will work with external...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
The APS C series systems are designed to turn on and off, as the weather requires heat to deal with snow or icing conditions. Although a thermostatic dry contact switch can be used to override the system on for temperature alone, is not recommended since it will...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
This delay between the APS-4C and the SC-40C is programmed into the system in order to reduce surge current. When the heaters are turned on they will have a large inrush of current for a few seconds. If all the heater circuits came on at the same time the inrush...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
The snow light goes off on the APS-4Cbecause the APS-4C gets its command from an actual snow sensor where the SC-40C’s get their command from the APS-4C. When the snow sensor’s moisture grid dries out, it no longer sends a snow present command to the APS-4C so it’s...