by ETI Staff | Jul 26, 2017 | SST-2 Heat Trace FAQs
The #18 awg striped wires are to the SST-2 to an external alarm. The SST-2 uses a summary alarm, which will give an alarm for four different reasons: loss of power, failed temp sensor, ground fault test failure and a ground fault alarm. Before connecting the alarm...
by ETI Staff | Jul 26, 2017 | SST-2 Heat Trace FAQs
A flashing supply light means that the temperature sensor is either missing or bad. Ensure that the sensor is correctly wired to the two blue wires. The system will not function without a sensor. Click here to see more about the Temperature sensor. Click here to view...
by ETI Staff | Jul 26, 2017 | SST-2 Heat Trace FAQs
Supply Voltage The SST-2 fixed set point thermostat operates from 120, 208, 240 or 277 VAC at 50/60 Hz. For line supply and load connections, use 10 AWG or larger wires rated for at least 75°C (167°F) at 300 VAC. Contactor Rating The heater contactor provides two (2)...
by ETI Staff | Jul 26, 2017 | SST-2 Heat Trace FAQs
When wiring the SST-2 the white and red wires of the controller must be wired together for the unit to have power. This is regardless of the voltage applied to the unit. The white wire powers the controller and the red wire goes to the contact of the internal relay to...
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...
