Sensor Reading
Calibration
This setting varies the reading of
the thermostat to overcome
installation-related issues.
1. Press the Special Setting button
and the + (top) button at the
same time.
2. The display shows a single
digit number and the set
operating units.
3. Press the + (top) or – (bottom)
button to increase or decrease
the sensor reading offset.
Positive numbers increase
the sensor reading; negative
numbers decrease the
sensor reading.
4. The thermostat accepts the
change five seconds after
pressing the last button, and
then the thermostat returns to
normal operation.
Important:
Adjust the sensor
reading calibration as a last
resort after first trying all other
remedies.
Differential Setting
This setting allows the user to select
a straight 2°F differential when
operating a furnace or air handler,
or the standard Uponor heat
algorithm for radiant floor heating
as described in the PWM Mode
section on
page 2
.
1. Press the Special Setting button
and the – (bottom) button at
the same time.
2. The display indicates either AH
(air handler/furnace) or FL
(floor heating).
3. Press the + (top) or – (bottom)
button to change the setting
as required.
4. The thermostat accepts
the change five seconds
after pressing the last
button and then returns
to normal operation.
Important:
Uponor
recommends using the FL or
floor heating setting with
radiant heating systems.
The following icons indicate the
mode.
•
None
— Thermostat is off
•
Floor icon
— Heating mode
with automatic fan
•
Floor and fan icons
— Heating
mode with fan turned on
•
Snowflake icon
— Cooling
mode with automatic fan
•
Snowflake and fan icons
—
Cooling mode with fan turned on
•
Snowflake and floor icons
—
Automatic mode with
automatic fan
•
Snowflake, floor and fan
icons
— Automatic mode with
fan turned on
•
Fan icon
— Fan operates, but
heating and cooling devices will
not activate
Note:
The thermostat accepts
changes five seconds after
pressing the last button, and
then the thermostat returns to
normal operation.
Important:
The thermostat
remembers the previous
operating mode and settings
after it is powered off.
Advanced Settings
The Uponor thermostat features
extra settings, which are accessed
via the Special Setting button on
the inside of the thermostat case.
When using this button, the
thermostat must be wired and have
power, but needs to be separate
from the wall mounting plate.
Note:
Uponor recommends only
qualified installers change these
settings. Improper adjustment of
these settings can result in damage
to the thermostat.
Units
The Uponor thermostat is capable of
operating in either Fahrenheit or
Celsius. To change the units setting,
refer to the following instructions.
1. Press the Special Setting
button once.
2. The display shows the units icon
(°F or °C).
3. Press the + (top) or – (bottom)
button to change the units.
4. The thermostat accepts the
change five seconds after
pressing the last button, and
then the thermostat returns to
normal operation.
Upper Setting Limit
To set the upper limit of the
allowable temperature setting range,
refer to the following instructions.
1. Press the Special Setting
button twice.
2. The number 1 will appear in the
lower left of the display along
with the temperature setting.
3. Press the + (top) or – (bottom)
button to increase or decrease
the upper setting limit of
the thermostat.
4. The thermostat accepts the
change five seconds after
pressing the last button, and
then the thermostat returns to
normal operation.
Lower Setting Limit
To set the lower limit of the
allowable temperature setting range,
refer to the following instructions.
1. Press the Special Setting button
three times.
2. The number 2 will appear in the
lower left of the display along
with the temperature setting.
3. Press the + (top) or – (bottom)
button to increase or decrease
the lower setting limit of
the thermostat.
4. The thermostat accepts the
change five seconds after
pressing the last button, and
then the thermostat returns to
normal operation.
Note:
Use the upper and lower limit
for public thermostat operation. By
setting these limits to the same
value, a user cannot change the
thermostat setting.
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