Honeywell CT2700 Owner's Manual - Page 4

Adjust Fan Operation Switch, Mount Thermostat To, Wallplate - round thermostat

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CT2700 AN ELECTRONIC ROUND ™ PROGRAMMABLE THERMOSTAT All wiring must comply with local electrical codes and ordinances. If unsure about household wiring procedures, call your local heating and air conditioning contractor. Refer to the masking tape labels you placed on wires when you removed your old thermostat. Match the letter of your old thermostat wire with the terminal of the corresponding letter on your new thermostat. Refer to Fig. 7. ROUTE WIRING AS SHOWN THROUGH ENTRANCE HOLE HEAT OFF ALTERNATE MOUNTING SCREW HOLE FAN ON MOUNTING SCREW HOLE 5 ADJUST FAN OPERATION SWITCH The thermostat fan operation switch, labeled fuel switch in Fig. 9, is set at the factory in the F (gas/oil fuel) position. This is the correct setting for most systems. If this system is an electric heat system, set the switch to the E (electric) position. The E setting allows the fan to turn on immediately with the heating or cooling equipment in a system where the G terminal is connected. FUEL SWITCH E F COOL COOL COOL AUTO AUTO AUTO R G Y W MOUNTING SCREW HOLE WIRING ENTRANCE HOLE ALTERNATE MOUNTING SCREW HOLE M12529 Fig. 7. CT2700 wallplate wiring connections. NOTE: To ensure proper mounting of the thermostat, restrict all wiring to the left side of the terminals. Loosen the terminal screws and slip each wire beneath its matching terminal. The shape of the terminals permit insertion of straight or wraparound connections. See Fig. 8. Tighten the terminals. M12531 Fig. 9. Fuel switch, rear view of thermostat. 6 MOUNT THERMOSTAT TO WALLPLATE Align the tab and connector pins at the top of the thermostat with the wallplate. See Fig. 10. DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT HEAT OFF FAN ON FOR WRAPAROUND, STRIP 7/16 INCHES (11 mm) FOR STRAIGHT INSERTION, STRIP 5/16 INCHES (8 mm) Set A ALIGN TABS/PINS AT TOP OF THERMOSTAT WITH WALLPLATE CONNECTOR. HEAT OFF FAN ON Set M12537 Fig. 8. CT2700 methods for wiring connection. Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation. M12530 B PRESS THERMOSTAT CASE STRAIGHT ON TO LATCH. Fig. 10. Mounting thermostat to wallplate. 69-1085 4

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69-1085
4
CT2700 AN ELECTRONIC ROUND
™
PROGRAMMABLE THERMOSTAT
All wiring must comply with local electrical codes and
ordinances. If unsure about household wiring procedures,
call your local heating and air conditioning contractor.
Refer to the masking tape labels you placed on wires
when you removed your old thermostat.
Match the letter of your old thermostat wire with the
terminal of the corresponding letter on your new
thermostat. Refer to Fig. 7.
M12529
ALTERNATE
MOUNTING
SCREW HOLE
MOUNTING
SCREW
HOLE
MOUNTING
SCREW HOLE
ROUTE WIRING AS
SHOWN THROUGH
ENTRANCE
HOLE
WIRING ENTRANCE HOLE
ALTERNATE MOUNTING
SCREW HOLE
W
Y
G
R
C
O
O
L
O
F
F
H
E
A
T
F
A
N
O
N
A
U
T
O
Fig. 7. CT2700 wallplate wiring connections.
NOTE:
To ensure proper mounting of the thermostat,
restrict all wiring to the left side of the terminals.
Loosen the terminal screws and slip each wire
beneath its matching terminal. The shape of the
terminals permit insertion of straight or wraparound
connections. See Fig. 8. Tighten the terminals.
M12537
FOR WRAPAROUND, STRIP
7/16 INCHES (11 mm)
FOR STRAIGHT INSERTION,
STRIP 5/16 INCHES (8 mm)
Fig. 8. CT2700 methods for wiring connection.
Plug the hole in the wall with insulation to help
prevent drafts from adversely affecting thermostat
operation.
5
ADJUST FAN OPERATION SWITCH
The thermostat fan operation switch, labeled fuel switch in
Fig. 9, is set at the factory in the F (gas/oil fuel) position.
This is the correct setting for most systems. If this system
is an electric heat system, set the switch to the E (electric)
position. The E setting allows the fan to turn on immedi-
ately with the heating or cooling equipment in a system
where the G terminal is connected.
M12531
FUEL SWITCH
F
E
Fig. 9. Fuel switch, rear view of thermostat.
6
MOUNT THERMOSTAT TO
WALLPLATE
Align the tab and connector pins at the top of the
thermostat with the wallplate. See Fig. 10.
M12530
DASHED LINES
INDICATE TABS
ON BACK OF
THERMOSTAT
ALIGN TABS/PINS AT TOP
OF THERMOSTAT WITH
WALLPLATE CONNECTOR.
A
B
PRESS THERMOSTAT CASE
STRAIGHT ON TO LATCH.
Set
C
O
O
L
O
F
F
H
E
A
T
F
A
N
O
N
A
U
T
O
C
O
O
L
O
F
F
H
E
A
T
F
A
N
O
N
A
U
T
O
Set
Fig. 10. Mounting thermostat to wallplate.