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
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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
... of the terminals permits insertion of thermostat, restrict 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...
Installation Instructions - Page 3
...
W
B
Y
O
COOLING CONTACTOR
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...3 FACTORY INSTALLED JUMPER.
4 FIELD INSTALLED JUMPER. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 REMOVE RC TO R JUMPER WHEN INSTALLED ON A...
Installation Instructions - Page 4
... HEAT PUMP SYSTEMS.
3 FIELD INSTALLED JUMPER. Typical hookup of the thermostat and wallplate.
2. See Fig. 11. Mounting thermostat wallplate.
T8400C, T8401C ELECTRONIC THERMOSTATS
G C
R
W
B
Y
O
1
L1
(HOT)
24V
L2
TRANSFORMER
HEAT RELAY
COOL RELAY
FAN RELAY
1 POWER SUPPLY. Engage the tabs at the bottom of the thermostat to select the desired fan setting.
69-1740
4 M14677A...
Installation Instructions - Page 5
... 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 .
M14681
4. M14682
Set Room
AuFtAoNOn
FAN SWITCH
CoSoYl SOTffEMHeat
M14678A
Fig. 12...
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
.... In cooling, the fan starts and stops with the heating equipment. The fan should shut down. T8400C, T8401C ELECTRONIC THERMOSTATS
Fan
1. Slide the SYSTEM switch to Off and the FAN switch to the thermostat.
7
69-1740 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...
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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