Honeywell T8401C Support Question
Honeywell T8401C Support Question
Find answers below for this question about Honeywell T8401C.Need a Honeywell T8401C manual? We have 1 online manual for this item!
Question posted by cchasta on July 21st, 2011
Display Screen
We have connected the four wires. And we can't get the display screen to work. We don't have any instructions for this Honeywell t8401c. Can you help us?
Current Answers
Related Honeywell T8401C Manual Pages
Owner's Manual - Page 1
Set
Room
FAN Auto On
SYSTEM Cool Off Heat
M18535
Em Ht Aux Ht
Set
Room
Electronic Thermostat
OWNER'S GUIDE
FAN Auto On
SYSTEM Cool Off Heat Em.Ht. M18539
1
69-1490
69-1490
Owner's Manual - Page 2
... settings are held permanently in an effort to provide you to use. Over 100 years of Honeywell engineering expertise went into the making of your temperature setting.
• Large digital display. Congratulations on the purchase of this thermostat in memory.
69-1490
2 You can easily read the current room temperature at a glance.
•...
Owner's Manual - Page 3
... controlled by using FAN and SYSTEM switches located on with the cooling equipment. In cooling, the
fan goes off and on the bottom of the thermostat case.
On:
The fan runs continuously. First set the FAN switch:
Auto: Normal setting for improved air
circulation and air quality. In heating, the fan...
Owner's Manual - Page 4
...
69-1490
4 Ht.: (Not available on all models.) Switch to this
setting when your home needs heat, but your home
needs cooling (air conditioning).
Digital display
shows a snowflake when cooling is on .
Off:
Both heating and cooling are off.
Then set the SYSTEM switch:
Cool: Normal setting for months when your...
Owner's Manual - Page 5
... needs auxiliary backup heat to Em Ht when the SYSTEM switch is set at Em Ht. Em Ht: Aux Ht:
The ▲ indicator points to help handle the heating load. The ▲ indicator points to either Em Ht or Aux Ht when these modes are not available on all models.
Em...
Owner's Manual - Page 6
... ▲ or ▼ key once. The ▼ indicator points to Set when the temperature setting is displayed and to 37°C).
To display the temperature setting on the digital display. Set
Room
INDICATOR
M18441
69-1490
6 Displaying Temperature Setting
NOTE: Your temperature setting can be set anywhere from 40° to 99°F (5°...
Owner's Manual - Page 7
... the temperature at night or during the day can lower your energy costs. When in the cooling mode, raising the temperature before you leave for work or school also lowers your energy costs. Set
Room
M18442
2. To raise the temperature setting, press the ▲ key. Set
Room
M18443
7
69-1490...
Owner's Manual - Page 8
... consider purchasing the Honeywell Chronotherm® Programmable Thermostat.
With this thermostat in the cooling mode by lowering the temperature setting 5°F (3°C) to 10°F (5°C) at night and during the day before you might want to automatically change the temperature setting, you leave for work or school. You can be conveniently programmed to...
Owner's Manual - Page 10
... is too warm or cool.
• Check that the SYSTEM switch on .
Heating or cooling does not come on the thermostat is below 50°F (10°C). See equipment manufacturer instructions.
Troubleshooting Guide
CAUTION
To avoid possible equipment damage, do not operate cooling when outside temperature is set to Heat or Cool...
Owner's Manual - Page 11
If you have questions concerning this thermostat, call Honeywell Customer Assistance at 1-800-468-1502, Monday-Friday, 7:00 am-5:30 pm, Central time.
For service, contact your local heating and cooling contractor:
11
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Owner's Manual - Page 12
Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North 35 Dynamic Drive
Golden Valley, MN 55422
Scarborough, Ontario M1V 4Z9
Copyright © 2000 Honeywell
All Rights Reserved
® U.S. Automation and Control Solutions
Honeywell International Inc. Registered Trademark
69-1490 J.H. 9-00
6ww9w-1.h4o9ne0ywell.com/yourhome
12
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