NTG5110 & NTG5220
400-115-006-E 10/11/06 1/3
Nuheat’s NTG5110 & NTG5220 programmable thermostats can be
used to control the ambient air temperature or floor temperature. You
can select among the following temperature control modes:
Memory Backup:
In the event of a power failure, an internal circuit will maintain the pro-
gramming and time. However, the time will have to be re-set if the
power failure exceeds 6 hours.
Set the time using the
Hour
and
Min
buttons.
Set the day using the
Day
button.
Press
Mode/Ret
to exit.
The Comfort , Economy and Vacation settings respectively
represent the temperatures that you wish to have during the day ( ),
at night or while you are away at work ( ), or while you are away for
an extended period ( ).
This thermostat is pre-programmed with the following default Com-
fort, Economy and Vacation setpoints.
If the default temperature settings suit your personal preferences,
skip the following section.
To Modify the Default Setpoints:
To modify the Comfort temperature, select the desired
temperature using the buttons and hold the button until
the
icon is displayed (app. 3 seconds).
To modify the Economy temperature, select the desired temper-
ature using the buttons and hold the button until the icon
is displayed (app. 3 seconds).
To modify the Vacation temperature, select the desired tempera-
ture using the buttons and hold the button until the
icon is displayed (app. 3 seconds).
Press the
Mode/Ret
button to exit this function and return to the
normal operating mode.
Description
1.
A mode:
controls the ambient air temperature
F mode:
controls the floor temperature using an
external temperature sensor
AF mode:
controls the ambient air temperature
maintains the floor temperature within desired
limits using an external temperature sensor
Operating Modes
2.
MANUAL
Allows you to manually adjust the temperature set-
point.
To activate this mode, press
Mode/Ret
to dis-
play the icon.
Set the desired temperature using or
select one of the pre-programmed settings
( , or ).
AUTO
Executes the default schedule or your own pro-
gramming.
Use this mode to maximize energy savings. To
activate it, press
Mode/Ret
to display the icon.
The or icon indicates which temperature set-
ting is used. Also, the icon of the period number
will be shown. (i.e. )
Power On switch /
reset GFCI
Temperature
adjustment
Set programming
Select Operating
Mode / Return
Temperature
Operating mode icons
Period number
Comfort setpoint
Time and day
Heating indicator
Backlight button
Erase programming
Comfort, Economy
and Vacation icons
Appears when the
setpoint is displayed
Temperature control
mode icons
Ground fault
indicator
Lights up display, automatically turns off after 12 seconds
Set day
Set time
Economy setpoint
Vacation setpoint
Time and Day Adjustment
3.
Setpoint Configuration
4.
Icon
Setpoint
F mode
A/AF mode
Comfort
88 °F (31 °C)
70 °F (21 °C)
Economy
73 °F (23 °C)
63 °F (17 °C)
Vacation
50 °F (10 °C)
50 °F (10 °C)
NTG5110 & NTG5220
Homeowner’s Guide
Programmable Thermostats
