Johnson Controls TEC2045-2 Installation Instructions Manual page 3

7. Position the mounting base on the wall and use the
two mounting screws (included) to secure the base
to the surface as illustrated in Figure 3.
Note: Be careful not to overtighten the mounting
screws.
Figure 3: Securing the
Mounting Base to the Wall
8. Swing the PCB back to the right, and carefully
snap it into the locking tabs on the mounting base.
9. Remove the screw terminal blocks as illustrated in
Figure 4.
Figure 4: Removing the Screw Terminal Blocks
TEC2045-2 Wireless Thermostat Controller with Single Proportional Output and One-Speed Fan Control
Installation Instructions
Wiring
CAUTION: Risk of Electric Shock.
! Disconnect the power supply before
making electrical connections to avoid
electric shock.
CAUTION: Risk of Property Damage.
Do not apply power to the system before
!
checking all wiring connections. Short
circuited or improperly connected wires
may result in permanent damage to the
equipment.
IMPORTANT: Make all wiring connections in
accordance with local, national, and regional
regulations. Do not exceed the electrical ratings of
the thermostat controller.
When replacing an existing thermostat controller,
remove and label the wires to identify the terminal
functions. When replacing a thermostat controller of the
same model, simply remove the old screw terminal
blocks, and reinsert them onto the PCB of the
replacement thermostat controller.
To wire the thermostat controller:
1. Strip the ends of each wire 6 mm (1/4 in.), and
connect them to the appropriate screw terminals as
indicated in Figure 5.
2. Carefully push any excess wire back into the wall.
Note: Seal the hole in the wall with fireproof material
to prevent drafts from affecting the ambient
temperature readings.
3. Reinsert the screw terminal blocks onto the PCB.
Note: If multiple wires are inserted into the terminals,
be sure to properly twist the wires together prior to
inserting them into the terminal connectors.
4. Reattach the cover to the mounting base (top side
first).
5. Use a Phillips-head screwdriver to reinstall the
security screw on the bottom of the cover.
See Figure 5, Figure 6, Figure 7, and Table 2 for
information on wiring the thermostat controllers.
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