Power The Thermostat; Installing Batteries - Honeywell TB7100A1000 MultiPRO Installation Instructions Manual

S1
1
C7189
C7189
1 WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
Fig. 21. Wiring four C7189U (10K ohm) Sensors to
provide a temperature averaging network.

POWER THE THERMOSTAT

You can choose from three methods to power the
thermostat:
• Batteries only (AA alkaline).
• 24 Vac direct connection only.
• 24 Vac direct connection with battery backup (AA
alkaline).
Wiring 24 Vac Common
• Single-Transformer System—Connect the common
side of the transformer to the C screw terminal of the
thermostat wallplate. Leave the metal jumper wire in
place between RC and R.
• Two-Transformer System—Connect the common side
of the cooling transformer to the C screw terminal of
the thermostat wallplate. Remove the metal jumper
wire between RC and R.

Installing Batteries

1. Install two AA alkaline batteries on the back of the
thermostat as marked. See Fig. 22.
BATTERIES (2)
BACK OF THERMOSTAT
Fig. 22. Installing batteries.
TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
SUBBASE
S2
C7189
C7189
M27432
BATTERY HOLDER
2. Locate and remove the tab labeled Remove. See
Fig. 23.
IMPORTANT
This tab must be removed in order to set the
real-time clock.
REMOVE
TAB
Fig. 23. Remove tab labeled REMOVE from thermostat
Mount Thermostat to Wallplate
1. Align the terminal screw blocks with the pins on the
back of the thermostat.
2. Push the thermostat straight onto the wallplate until
it snaps into place. See Fig. 24.
Fig. 24. Mount thermostat to wallplate.
M22259
7
back.
WALL
M22260
M23024
62-0273—05