by ETI Staff | Jul 26, 2017 | APS-C Series FAQs
No, using external contactors will cause the GFEP circuit on the APS-4C to detect the inductive load of the contactors coil as ground fault and alarm the system every time the contactor is turned on. In order to increase the size of the application, a SC-40C satellite...
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
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 | Jun 10, 2013 | Control, Featured, snow melting management, Weather
Snow Melting, Removal Begins at Development Property management goes hand-in-hand with property development. For properties that will weather regularly occurring snow events, introduce snow melting management at the development phase. Important for a property’s...