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Honeywell T8424C Benutzerhandbuch

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T8400C, T8401C AND T8424C,D ELECTRONIC THERMOSTATS
68-0180-3
8
Mounting Thermostat to Wallplate
1. Engage the tabs at the top of the thermostat and wallplate.
2. Swing down the thermostat and press the lower edge of 
the thermostat onto the wallplate to latch. See Fig. 10.
Fig. 15. Mounting T8400 or T8401 thermostat to wallplate.
Fig. 16. Mounting T8424 thermostat to wallplate.
SETTINGS AND ADJUSTMENTS
Setting Fan and System Switches
Fan and system settings are controlled manually using the 
switches located at the bottom of the thermostat case. See 
Fig. 17 or 18.
Fig. 17. T8400 and T8401 temperature 
display and system switches.
Fig. 18. T8424 temperature display and system switches.
Fan Switch
Fan switch settings are:
ON: The fan runs continuously. Use for 
improved air circulation.
AUTO: Normal setting for most homes. In 
cooling, the fan starts and stops with the 
cooling equipment. In heating, the fan is 
controlled directly by the heating 
equipment and may start a few minutes 
after the heating equipment turns on (on 
M11025B
FAN
SYSTEM
Auto On
Cool Off Heat
DASHED LINES INDICATE TABS 
ON BACK OF THERMOSTAT
FAN
SYSTEM
Auto 
Cool Off Heat
ENGAGE TABS AT TOP 
OF THERMOSTAT WITH 
SLOTS ON WALLPLATE.
A
B
PRESS LOWER EDGE OF 
CASE TO LATCH.
Set
Room  
Set
Room  
M14677
SYSTEM
Cool  Off  Heat 
Auto  O
n
FAN
DASHED LINES INDICATE TABS
ON BACK OF THERMOSTAT
SYSTEM
Cool  O
ff  H
eat
Auto  On
FAN
ENGAGE TABS  AT TOP  OF THERMOSTAT
WITH SLOTS ON MOUNTING PLATE.
PRESS LOWER EDGE OF 
CASE TO  LATCH.
A
B
FAN
SYSTEM
Auto On
Cool Off Heat
INCREASE
SETTING
DECREASE
SETTING
SYSTEM SWITCH
FAN SWITCH
TEMPERATURE DISPLAY
M11020A
Set
Room  
SYSTEM
Cool  Off  Heat
Auto  On
FAN
M14678
TEMPERATURE DISPLAY
INCREASE SETTING
DECREASE SETTING
FAN SWITCH
SYSTEM SWITCH