When the system was installed the high temperature sensor was not installed, can I still make the unit work?
The high temperature limit sensor is intended for two purposes, either as a slab sensor when the EUR-5A is used for heating sidewalks,...
Read MoreWhy doesn’t adjusting the High Temperature Limit dial turn the unit on?
The high temperature limit dial is used to set the maximum temperature that the unit will work at. When the High temperature limit sensor...
Read MoreCan I use the APS-4C to drive external contactors for more circuits?
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...
Read MoreIs there a way to make the system come on with temperature only?
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...
Read MoreWhy is there a delay between when the APS-4C turns on and when the SC-40C comes on?
This delay is programmed into the system in order to reduce surge current. When the heaters are turned on they will have a large inrush of...
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