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ET 134 Line Voltage Room Thermostats
Installation of
134-1083
Typical Auto-Off-Fan application for
134-1083 thermostat.
Siemens Industry, Inc.
Read the Mounting and Wiring sections.
1.
Make the wiring connections to the numbered terminals on the back of the
thermostat. Figure 1 shows typical wiring diagrams.
Typical heating application for
134-1084, 134-1085, 134-1086
Figure 1. Wiring Diagrams.
2. Remove the thermostat cover by loosening the Allen screws at the top and bottom of
the thermostat. The Allen wrench is included with the thermostat.
3.
Mount the thermostat to the box using the two keyhole openings in the thermostat
base.
4.
Set the high temperature cut-out stop.
a. Turn the thermostat dial so the desired high temperature setting minus one
degree is at the pointer. See Figure 2.
b. Loosen the stop screw and slide the screw toward the back of the dial against the
step behind the dial.
c. Tighten the stop screw.
5. Set the desired temperature. Turn the dial to the pointer located at the nine o'clock
position. See Figure 2.
6. Turn the selector switch so that desired AUTO, OFF, or FAN reads vertically. See
Figure 2.
7. Replace the thermostat cover. Tighten the screws on the bottom and top of the
thermostat.
The installation is now complete.
thermostats.
Technical Instructions
Document Number 155-017P25
August 27, 2021
Typical cooling application for
134-1084, and 134–1085
thermostats.
Page 5
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