King Electric SST 3 - Manual (Page 27)

Adjustable Electronic Thermostat TRACON
®
Model SST–3 (P/N 24492)
Instruction Manual
24494 Rev. - 04/12 (800) 234-4239 http: www.networketi.com Environmental Technology, Inc. 27 of 28
CONTROL
Supply Voltage 200 - 277 VAC; 50/60 Hz
Heater
200 - 277 VAC;
30 Amp Maximum Resistive Load
GROUND FAULT EQUIPMENT PROTECTION
Set Point 30 mA
Automatic Self-Test
GFEP verified before contactors operate; GFEP
tests on start-up of power and automatically
every 24 hours
GFEP Manual Test/Reset GFEP Test/Reset switch on front panel
WIRE AND CABLE RATINGS
Power Cable Size for heater load (30 Amp maximum)
Alarm Relay Wiring
No larger than #18 AWG jacketed, 3-conductor
(Only two leads will be used; refer to Figure 3
on page 11.)
Heater Cable Size for maximum heater load
Temperature Sensor Wiring #18 AWG jacketed, 2-conductor
ENVIRONMENTAL
Operating Temperature −31°F to +130°F (−35°C to 55°C)
Storage Temperature −67°F to +167°F (−55°C to 75°C)
THERMOSTAT SET POINT
SST–3 Set Point Range +34°F to +150°F (1°C to 65°C)