King Electric SST 3 - Manual (Page 23)

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. 23 of 28
USING THE JUMPER
A jumper on the PC board prevents unauthorized changing of the thermostat set
point. To initially set the thermostat set point, perform the steps below.
1.
With power running to the unit, begin by changing the set point value to
the desired level. Refer to page 18 in this manual.
2.
Shut off unit power.
3.
Remove the unit faceplate. Retain attaching hardware.
4.
Locate the jumper on the PC board. Refer to Figure 7. Position the
jumper, as desired, between Pins 1 and 2 or between Pins 2 and 3.
5.
Reassemble the unit face plate onto the front of the box.
6.
Restore unit power.
Figure 7. THE JUMPER ON THE FRONT PANEL PC BOARD.
Use this procedure to set the set point for the first time. To change the set point
after the initial setting, it will be necessary to first remove power, reposition the
jumper, change the set point, then return the jumper to the locked position.
Position jumper between
Pins 1 and 2 or between
Pins 2 and 3, as desired.
Jumper is shown here in
the unlocked position.