Honeywell T8401C1015 - Electronic Thermostat - 1 Heat/1Cool Support and Manuals
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T8401c 1007
What would cause my T8401C 1007 up and stop working 1 day
What would cause my T8401C 1007 up and stop working 1 day
(Posted by prestonpeters857 2 years ago)
How To Change The Battery
(Posted by hamidigiv 2 years ago)
Thermostat Not Turning On Ac At Set Temp
The thermostat is set at 70 and the room temp reads 81 on the thermostat. Will not turn on the AC ev...
The thermostat is set at 70 and the room temp reads 81 on the thermostat. Will not turn on the AC ev...
(Posted by craigt777 5 years ago)
Honeywell Rth230b Thermostat With New Batteries Doesn't Display The Flame Symbol
Hi, I have a Honeywell RTH230B thermostat with new batteries but it doesn't display the flame symbol...
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(Posted by grgblv 8 years ago)
My Heat Wont Work And My Thermostat Went Blank
(Posted by sajl2 9 years ago)
Popular Honeywell T8401C1015 Manual Pages
Installation Instructions - Page 1
..., T8401C Electronic Thermostats
INSTALLATION INSTRUCTIONS
The T8400C and T8401C Thermostats provide singlestage, non-programmable temperature control for 24V heating-cooling systems with good air circulation at average temperature. The T8400C and T8401C models include a thermostat, wallplate (for operation.
Do not install the thermostat where it carefully.
Handle it can be set...
Installation Instructions - Page 2
... all wiring to turn on immediately with local electrical codes and ordinances. See Fig. 5.
See Fig. 3. The E setting allows the fan to the shaded area. Fan operation (fuel) switch.
69-1740
2 Disconnect the power supply to wall. Refer to wire the T8400C and T8401C Thermostats. Wiring
WALL 1
WALL ANCHORS (2)
IMPORTANT Use an 18-gauge maximum...
Installation Instructions - Page 3
...
1
L1
(HOT)
24V
L2
HEATING PRIMARY CONTROL
FAN RELAY
1 POWER SUPPLY. M13275
Fig. 6. T8400C, T8401C ELECTRONIC THERMOSTATS
KEEP WIRING IN SHADED AREA
G
Rc
R
W B
Y O
MOUNTING SCREW HOLE
WIRING ENTRANCE HOLE
MOUNTING SCREW...
69-1740 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER. Restrict wiring to shaded area (T8400C shown). G Rc
3
R W ...
Installation Instructions - Page 4
... latch.
FAN Switch
Fan switch settings are controlled manually by the heating equipment and may start a few minutes after the heating equipment turns on (on most homes. M20882
Fig. 10. Swing down the thermostat and press the lower edge of the thermostat onto the wallplate to Wallplate
1.
Typical hookup of T8401C in the bottom left corner...
Installation Instructions - Page 5
... SYSTEM switch in °C, set the temperature setpoint to 52°F.
M14684
System setting at HEAT: If heat is displayed.
INCREASE SETTING DECREASE SETTING
T8400C, T8401C ELECTRONIC THERMOSTATS
3.
Each press changes the setpoint one degree;
If the room temperature is on the digital display. No action takes place If the system switch is off , ▼ turns it on and off...
Installation Instructions - Page 6
... to scroll between 1, 3, 4, 5, 6, 9, or 12. When using an electric heat thermostat, the fan starts immediately.
3. T8400C, T8401C ELECTRONIC THERMOSTATS
NOTE:
In installer setup mode only, each press of an outdoor temperature may cause compressor damage. A typical example is shown, but information displayed varies by model) is for the cycle rate options and the corresponding system...
Installation Instructions - Page 7
...setting above the room temperature.
Press the ▲ key to Auto. Cooling system should run continuously.
2. Be sure all equipment responds correctly to On. NOTE: To bypass the five-minute delay, see the Optional System Checkout section. When using an electric heat thermostat..., T8401C ELECTRONIC THERMOSTATS
Fan
1. Slide the SYSTEM switch to Off and the FAN switch to the thermostat.
...
Installation Instructions - Page 8
Automation and Control Solutions
Honeywell International Inc. Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North
35 Dynamic Drive
Golden Valley, MN 55422
Scarborough, Ontario
M1V 4Z9
69-1740 J.S. 6-04
www.honeywell.com/yourhome
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