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TH450 NON-PROGRAMMABLE THERMOSTAT
Set the configuration switches on the back of the
thermostat's faceplate (see section 3).
Install the faceplate of the thermostat back on the wallplate
and tighten the screw.
NOTE:
If there is a protective film or sticker on the thermo-
stat's screen, peel it off.
Apply power to the thermostat. Verify the installation by
checking that the heater can be turned On and Off by raising
and lowering the setpoint using the
NOTE:
Keep the air vents of thermostat clean and unob-
structed at all times.
3. CONFIGURATION SWITCHES
The configuration switches are on the back of the
thermostat. The factory settings are indicated by the gray
cells in the following table.
69-2659EF—05
and
buttons.
2
Switch
1
a
Keypad lock
2
b
Cycle length
3
Temperature display
format
a. The settings are locked. The temperature adjust-
ment buttons only allow you to view the tempera-
ture setpoint.
b. Select short cycles (15 seconds) in most cases as it
provides better temperature control. However, you
must select long cycles (5 minutes) if you have a
fan-forced heater.
are selected.
4. CONFIGURATION MENU
Parameter
Minimum setpoint
5 °C - 30 °C
(41 °F - 86 °F)
Maximum setpoint
5 °C - 30 °C
(41 °F - 86 °F)
1. Press the
and
buttons simultaneously for three
seconds to enter the configuration menu.
2. Press the
or
button to set the displayed parameter.
3. Press the
and
buttons simultaneously for one sec-
ond to display the next parameter.
4. Press the
and
buttons simultaneously for three
seconds to exit the configuration menu.
NOTE:
The thermostat will automatically save any changes
made and return to its normal display if you do not
press any button for one minute.
5. TEMPERATURE DISPLAY AND
SETTING
• The thermostat normally displays the actual temperature.
To view the setpoint temperature, press once on either
temperature adjustment button. The setpoint temperature
will appear for 5 seconds. The icon
setpoint is displayed.
• To change the setpoint temperature, press the appropriate
button until the desired value is displayed.
• The screen is backlit for 10 seconds when any button is
pressed.
Off
On
Short
Long
°C
°F
is displayed when long cycles
Display and
Settings
default setting
appears when the
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