Thermostat Appearance
Operating Your Thermostat
Power On/Off Operating Mode
Time Off
Press to switch on/off
thermostat. When in off mode,
OFF icon will display.
Press could set the
LCD Display
Setup Index
Test Index
Turn off time
Time-off
Keypad
Lockout
Freeze
Protection
Installation
Test
Installation
Setup
Trouble Shooting Tips
User Manual
TF228WN Digital Thermostat
automatical turn off time when
the thermostat is working.
Press and hold for more than
3s. After timer icon flashes,
press or to set turn off
time, then press button to
exit.
Ventilation
Heating Cooling
Temperature
Setting
In or mode, press or
to set the target room temperature.
Fan Speed
Auto
Low
Medium High
Temperature
Display
Operating Mode
System Off
Quick Start Guide
Speed Speed Speed
Setpoint
Index
Valve Closed Valve Open
Fan Speed
32300245-001
Ademco 1 GmbH
Hardhofweg 40
74821 Mosbach
Phone: +49 1801 466 388
info.de@resideo.com
@2020 Resideo Technologies, Inc. All rights
reserved. The Honeywell Home trademark is
used under license from Honeywell International
Inc. This product is manufactured by Resideo
Technologies, Inc and its affiliates.
If.... Then....
Doesn’t work
Set the mode to (heating mode) by press .
Make sure the temperature is set above the room
temperature.
Make sure shows on the display.
Wait 5 minutes for the system to respond.
Doesn’t work
Set the mode to (cooling mode) by press .
Make sure the temperature is set below the room
temperature.
Make sure shows on the display.
Wait 5 minutes for the system to respond.
Doesn’t work
Make sure keypad is unlocked.
Check that thermostat is on.
Doesn’t work
Make sure keypad is unlocked.
Make sure the system isn’t in mode.
Check that thermostat is on.
The system turns
off automatically
Make sure the memorized time off value isn’t
set to “0”.
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