Honeywell T8401C1015 Support Question
Honeywell T8401C1015 Support Question
Find answers below for this question about Honeywell T8401C1015 - Electronic Thermostat - 1 Heat/1Cool.Need a Honeywell T8401C1015 manual? We have 1 online manual for this item!
Question posted by prestonpeters857 on December 29th, 2021
T8401c 1007
What would cause my T8401C 1007 up and stop working 1 day
Current Answers
Related Honeywell T8401C1015 Manual Pages
Installation Instructions - Page 1
...
® U.S. see Fig. 2) as follows:
1. Location
Install the thermostat about 5 ft (1.5m) above the floor in corners. - T8400C, T8401C Electronic Thermostats
INSTALLATION INSTRUCTIONS
The T8400C and T8401C Thermostats provide singlestage, non-programmable temperature control for 24V heating-cooling systems with manual changeover from heat to the wall using the anchors and screws provided...
Installation Instructions - Page 2
... INCH HOLES FOR
PLASTER OR WOOD. See Fig. 5.
either method is an electric heat system, set the switch to wire the T8400C and T8401C Thermostats.
The E setting allows the fan to turn on immediately with local electrical codes and ordinances. T8400C, T8401C ELECTRONIC THERMOSTATS
YES NO
NO 5 FEET
[1.5 METERS]
NO
M11338
Fig. 1. Wiring
WALL 1
WALL ANCHORS...
Installation Instructions - Page 3
...
Fig. 7.
M13275
Fig. 6. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS.
3 FACTORY INSTALLED JUMPER.
4 FIELD INSTALLED JUMPER. T8400C, T8401C ELECTRONIC THERMOSTATS
KEEP WIRING IN SHADED AREA
G
Rc
R
W B
Y O
MOUNTING SCREW HOLE
WIRING ENTRANCE HOLE
MOUNTING SCREW HOLE
M16432
Fig. 4. Restrict wiring...
Installation Instructions - Page 4
...T8401C in the bottom left corner of the thermostat and wallplate.
2.
OPERATION
Setting FAN and SYSTEM Switches
Fan and system settings are : On: The fan runs continuously. T8400C, T8401C ELECTRONIC THERMOSTATS
G C
R
W
B
Y
O
1
L1
(HOT)
24V
L2
TRANSFORMER
HEAT...In heating, the fan is controlled directly by using an electric heat thermostat, the fan starts and stops ...
Installation Instructions - Page 5
...; key. M14682
Set Room
AuFtAoNOn
FAN SWITCH
CoSoYl SOTffEMHeat
M14678A
Fig. 12.
INCREASE SETTING DECREASE SETTING
T8400C, T8401C ELECTRONIC THERMOSTATS
3.
INDICATOR
Set
Room
ROOM TEMPERATURE
SETPOINT TEMPERATURE
M14679
To set the °F/°C indication, the heat cycle rate and the C3/C1 temperature control:
1.
press and hold to the °F/°C indication...
Installation Instructions - Page 6
...the heating equipment should stop. Heating equipment should start . Do not operate cooling if outdoor temperature is displayed. Factory information is below the room temperature.
NOTE:
After exiting installer setup mode, slide the System switch to the desired position and change the °C or °F indication.
M18419A
8.
T8400C, T8401C ELECTRONIC THERMOSTATS
NOTE...
Installation Instructions - Page 7
...T8401C ELECTRONIC THERMOSTATS
Fan
1. Slide the FAN switch to raise the temperature setting above the room temperature.
The fan should shut down. In heating, the fan is controlled directly by the heating equipment and may start a few minutes after the heating... heat thermostat, the fan starts and stops with the cooling equipment. In cooling, the fan starts and stops with the heating ...
Similar Questions
My Heat Wont Work And My Thermostat Went Blank
(Posted by sajl2 9 years ago)
Why Honeywell T8401c Thermostat Suddenly Quit Working
We have an T8401c thermostat that just suddenly quit working, no ac unit function'
We have an T8401c thermostat that just suddenly quit working, no ac unit function'
(Posted by xmwwang1964 10 years ago)
Thermostat Stopped Working
Air and Cooling thermostat quit working. It was working fine and I turned it off for a few hrs, and ...
Air and Cooling thermostat quit working. It was working fine and I turned it off for a few hrs, and ...
(Posted by carolyle7 10 years ago)
When The Thermostat Stops Working Will The Unit, Ac/heat Pump, Stop Also.
The thermostat went blank and nothinf responds; the fan, ac, nor heat pump, will work.
The thermostat went blank and nothinf responds; the fan, ac, nor heat pump, will work.
(Posted by jimbodawg 12 years ago)
Thermostat Screen Is Blank And Won't Turn On The Ac Or Heater?
Thermostat screen is blank and does do anything. It does not turn on the ac or the heater?
Thermostat screen is blank and does do anything. It does not turn on the ac or the heater?
(Posted by avandor11 12 years ago)