Honeywell CT2800 Programmable Thermostat Installation Guide
Heating System Table
DIP Switches
1 and 2
Type of System
Fuel Switch
Warm air, gas, or oil heating system with an efficiency rating under 90%.
(The furnace efficiency rating should be on the furnace.)
Use factory setting
1–On; 2–On
F
High-efficiency furnace such as a 90% or greater AFUE (Average Fuel
Utilization Efficiency) unit
1–Off; 2–On
F
Hot water boiler
Electric furnace
1–Off; 2–On
1–On; 2–Off
F
E
Step 5. Wire Thermostat Terminals
Fig. 9.
a. Hold thermostat as shown in Fig. 9.
b. Using the labels on the wires, match letter of your old thermostat wire
with the corresponding terminal on the back of your new thermostat.
W
R
NOTE: If letters on old thermostat terminals do not match letters on
new thermostat terminals, all old wires may not need connect-
ing to new thermostat. See Special Wiring Instructions section.
M20125
Fig. 10.
c. Loosen terminal screws and slip each wire beneath its matching
terminal (Fig 10).
d. Securely tighten terminals.
INSERT
STRAIGHT
UNDER
SCREW HEAD
5/16 in.
(8 mm)
STRIP
END OF WIRE
VISIBLE HERE
M20126
7
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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