Honeywell CT2800 Programmable Thermostat Installation Guide
Step 7. Install the batteries
Fig. 13.
IMPORTANT:
Batteries must be installed for programming and operation of
the thermostat and heating/cooling system. Honeywell recom-
mends using Energizer® batteries.
a. Make sure that the System switch is set in the OFF position.
b. Using a coin, open the battery door as shown in Fig. 13.
c. Install the batteries. Make sure that the positive and negative termi-
nals are oriented correctly as marked inside the battery case.
d. Replace the battery door.
REMOVING
BATTERY
DOOR
M1719C
e. Remove the clear plastic label from the digital display.
Fig. 14.
✓ Check your progress
When the batteries are installed correctly, the digital display flashes all
entries once, then begins to flash a default time and the current
temperature (Fig. 14). The flashing continues until you begin to program
the thermostat. You are now ready to program the thermostat. See
Programming section.
Special Wiring Instructions
Clock thermostat with C or C1 terminals
A clock thermostat has one or two extra wires attached to the C or C1 terminals that allow the clock to operate. These
wires are not used during the installation of your new CT2800 Thermostat and must be insulated from each other to
avoid damaging your electrical circuit.
a. Make sure that power to the heating/cooling system is turned off.
b. Locate the wires that are connected to the clock terminals marked C or C1.
c. As you disconnect the wires, do not allow these wires to touch.
d. Wrap the wires separately, using electrical tape to insulate the wires.
e. Place the wires where they do not interfere with the operation of the new thermostat.
You will not connect these wires to your CT2800 Thermostat.
f. Continue with the installation.
9
69-1638—1
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell CT2800 Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.35 MB |
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