by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
Why is there a delay between when the APS-4C turns on and when the SC-40C comes on? 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...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
The snow light stays on longer for the SC-40C than the APS-4C because 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...
by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
No, the SC-40C does not use a snow sensor, it is completely controlled by the attached APS-4C. However, the SC-40C does require the High-Temperature sensor Thermistor to be connected (or bypassed with a 470K-ohm resistor) in order for the unit to operate. The SC-40C...
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...
by ETI Staff | Aug 2, 2011 | Frequently Asked Questions
The high temperature sensor is intended for two purposes, either as a slab sensor when the EUR-5A is used for heating sidewalks, patios or driveways or for ambient air temperature when the unit is used for roof and gutter melt systems. In roof and gutter applications...
