Honeywell T8400C Support Question
Honeywell T8400C Support Question
Find answers below for this question about Honeywell T8400C.Need a Honeywell T8400C manual? We have 2 online manuals for this item!
Question posted by kalisSony on April 7th, 2014
Can You Replace A Honeywell T8400c With A Programmble Thermostat
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Current Answers
Related Honeywell T8400C Manual Pages
Owner's Manual - Page 1
M18539
1
69-1490
69-1490 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.
Owner's Manual - Page 2
... and easy to change your temperature setting.
• Large digital display. Congratulations on the purchase of this thermostat in memory.
69-1490
2 Batteries are not required because your new thermostat! Over 100 years of Honeywell engineering expertise went into the making of your temperature settings are held permanently in an effort to provide...
Owner's Manual - Page 3
... continuously.
Settings
Setting FAN and SYSTEM Switches
Fan and system settings are controlled by using FAN and SYSTEM switches located on the bottom of the thermostat case.
Owner's Manual - Page 8
...energy.
69-1490
8 If you like saving energy, but would like your thermostat to automatically change the temperature setting, you choose and your home, where ...want to consider purchasing the Honeywell Chronotherm® Programmable Thermostat. With this thermostat, temperature settings can be conveniently programmed to automatically save energy with this thermostat in the cooling mode by ...
Owner's Manual - Page 10
... do not operate cooling when outside temperature is set to Heat or Cool.
• Check the system fuse or circuit breaker and replace or reset if necessary.
• Check for air movement at the register.
• Check power to the heating or cooling equipment.... or cool.
• Check that the SYSTEM switch on . Heating or cooling does not come on the thermostat is below 50°F (10°C).
Owner's Manual - Page 11
For service, contact your local heating and cooling contractor:
11
69-1490
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.
Owner's Manual - Page 12
Registered Trademark
69-1490 J.H. 9-00
6ww9w-1.h4o9ne0ywell.com/yourhome
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.
Installation Instructions - Page 1
...- The T8400C SUPER TRADELINE® model also includes two decorator cover plates for all models. Failure to make sure the product is replacing a control... system transformer. This thermostat is fixed at 3 cph. T8400C and T8401C Electronic Thermostats
INSTALLATION INSTRUCTIONS
The T8400C and T8401C Thermostats provide singlestage, non...Honeywell •
• All Rights Reserved
69- 1480- 1
Installation Instructions - Page 2
...Vac heating-cooling systems. Refer to Wall
IMPORTANT Level only for wiring the T8400C and T8401C Thermostats. See Fig. 4. DECORATOR COVER PLATE
WALL
1 2
WALL ANCHORS (2)...decorator cover plate (SUPER TRADELINE® model only), wallplate, T8400C or T8401C, and the screws provided (see Wiring section.
T8400C AND T8401C ELECTRONIC THERMOSTATS
YES NO
NO 5 FEET
[1.5 METERS]
NO
M10308
Fig. ...
Installation Instructions - Page 3
... W Y G R
2C
1
L1
(HOT)
24V
L2
COOLING CONTACTOR
HEATING PRIMARY CONTROL
FAN RELAY
1 POWER SUPPLY. Mounting thermostat wallplate. In cooling, the fan starts and stops with the cooling equipment. T8400C AND T8401C ELECTRONIC THERMOSTATS
KEEP WIRING IN SHADED AREA
ALTERNATE MOUNTING SCREW HOLE
W
Y G
R C
MOUNTING SCREW HOLE
ALTERNATE MOUNTING SCREW HOLE
WIRING ENTRANCE HOLE
MOUNTING...
Installation Instructions - Page 4
T8400C AND T8401C ELECTRONIC THERMOSTATS
Slide the FAN switch in the bottom left corner of the thermostat to select the desired system setting.
...in °F, set the temperature setpoint to Set and flashes.
SYSTEM Switch
System switch settings control thermostat operation as the indicator points to 11°C. TEMPERATURE DISPLAY
Set
Room
INCREASE SETTING
DECREASE SETTING
FAN ...
Installation Instructions - Page 5
A typical example is shown, but CC varies by model. T8400C AND T8401C ELECTRONIC THERMOSTATS
10. NOTE: After exiting installer setup mode, change the °C or ...switch to Off and the FAN switch to display cooling algorithm configuration default. When using an electric heat thermostat, the fan starts immediately.
3. 3. Press the s key. Factory information is displayed. This information is...
Installation Instructions - Page 6
Automation and Control Solutions
Honeywell
Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North
35 Dynamic Drive
Golden Valley, MN 55422
Scarborough, Ontario
M1V 4Z9
69-1480-1 G.H. Rev. 2-02
www.honeywell.com/yourhome
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