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 hamidigiv on May 30th, 2021
How To Change The Battery
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Answer #1: Posted by Odin on May 30th, 2021 5:58 PM
Odin
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April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
See https://tinyurl.com/ykxtv5rc.
If the issue persists or if you require further advice, you may want to consult the company: use the contact information at https://www.contacthelp.com/hineywell/customer-service.
If the issue persists or if you require further advice, you may want to consult the company: use the contact information at https://www.contacthelp.com/hineywell/customer-service.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Answer #2: Posted by SonuKumar on May 31st, 2021 2:25 AM
SonuKumar
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May 9th, 2021 Points: 16,621,300
Member since:
May 9th, 2021 Points: 16,621,300
https://www.youtube.com/watch?v=t-HdmsO_CrE
https://www.youtube.com/watch?v=z-XeWRzX86g
https://www.youtube.com/watch?v=37B8R0QFN5M
https://www.youtube.com/watch?v=jLpsGsY8QKk
https://www.supplyhouse.com/Honeywell-T8401C1015-Electronic-Thermostat-1-Heat-1-Cool
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
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Sonu
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Related Honeywell T8401C1015 Manual Pages
Installation Instructions - Page 1
...be a trained, experienced service technician.
4. The T8400C and T8401C models include a thermostat, wallplate (for 24V heating-cooling systems with manual changeover from the sun or appliances. - drafts or dead spots behind the thermostat. radiant heat from heat to prevent drafts from ducts. -
Batteries are not required because setpoints are held permanently by : - Read these...
Installation Instructions - Page 2
... Use an 18-gauge maximum wire to wall.
either method is an electric heat system, set the switch to turn on immediately with local electrical codes and ordinances. The E setting allows the fan to the E position. T8400C, T8401C ELECTRONIC THERMOSTATS
YES NO
NO 5 FEET
[1.5 METERS]
NO
M11338
Fig. 1. Setting Fan Operation (Fuel) Switch...
Installation Instructions - Page 3
... RELAY
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER. Typical hookup of T8400C in single-stage heat pump systems.
3
69-1740 M20880
Fig. 8. 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. G
Rc
R
24
W
B Y
O
1
L1...
Installation Instructions - Page 4
... corner of T8401C in single-stage heat pump system. M20882
Fig. 10. Swing down the thermostat and press the lower edge of T8401C in heat-cool system. M14677A
Fig. 11. When using the switches located at the top of the thermostat case. T8400C, T8401C ELECTRONIC THERMOSTATS
G C
R
W
B
Y
O
1
L1
(HOT)
24V
L2
TRANSFORMER
HEAT RELAY
COOL RELAY
FAN RELAY...
Installation Instructions - Page 5
...▼ key can be used to change the setpoint several degrees. INCREASE SETTING DECREASE SETTING
T8400C, T8401C ELECTRONIC THERMOSTATS
3.
Digital display and system switches (FAN and SYSTEM).
M14683
OPTIONAL SYSTEM CHECKOUT When in the bottom right corner of the thermostat to 11°C.
Heat: The thermostat controls the heating system. M14681
4. To decrease the temperature...
Installation Instructions - Page 6
T8400C, T8401C ELECTRONIC THERMOSTATS
NOTE:
In installer setup mode only, each press of 1, 3, 4, 5, 6, 9, or 12. Press the ▼ key to change the setpoint to lower the temperature setting several degrees above the room temperature.
See Table 1 for factory use of the ▼ key momentarily displays 02.
C3 = Aggressive heating/cooling temperature control (can cause ...
Installation Instructions - Page 7
...-1740 3. The fan should shut down.
In cooling, the fan starts and stops with the heating equipment. T8400C, T8401C ELECTRONIC THERMOSTATS
Fan
1. In heating, the fan is controlled directly by the heating equipment and may start a few minutes after the heating equipment turns on (on most systems). Cooling system should run continuously.
2. Be sure all equipment...
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