NTG5110 & NTG5220
Homeowner’s Guide
Programmable Thermostats
1.
Description
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:
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
Temperature
Comfort, Economy
and Vacation icons
Appears when the
setpoint is displayed
Heating indicator
Operating mode icons
Set the time using the Hour and Min buttons.
Set the day using the Day button.
Press Mode/Ret to exit.
4.
Setpoint Configuration
Comfort setpoint
Set time
Economy setpoint
Set programming
Vacation setpoint
Erase programming
Temperature
adjustment
Select Operating
Mode / Return
Period number
Temperature control
mode icons
Backlight button
Lights up display, automatically turns off after 12 seconds
Operating Modes
Allows you to manually adjust the temperature setpoint.
AUTO
3.
Time and Day Adjustment
Ground fault
indicator
Set day
To activate this mode, press Mode/Ret to display the icon.
Set the desired temperature using
or
select one of the pre-programmed settings
( , or ).
MANUAL
In the event of a power failure, an internal circuit will maintain the programming and time. However, the time will have to be re-set if the
power failure exceeds 6 hours.
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 ( ).
Time and day
Power On switch /
reset GFCI
Memory Backup:
Executes the default schedule or your own programming.
Use this mode to maximize energy savings. To
activate it, press Mode/Ret to display the icon.
The
or icon indicates which temperature setting is used. Also, the icon of the period number
will be shown. (i.e. )
This thermostat is pre-programmed with the following default Comfort, Economy and Vacation setpoints.
2.
Icon
Setpoint
F mode
A/AF mode
Comfort
88 °F (31 °C)
70 °F (21 °C)
Economy
Vacation
73 °F (23 °C)
50 °F (10 °C)
63 °F (17 °C)
50 °F (10 °C)
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
buttons and hold the
button until
temperature using the
the
icon is displayed (app. 3 seconds).
To modify the Economy temperature, select the desired temperature using the
buttons and hold the button until the icon
is displayed (app. 3 seconds).
To modify the Vacation temperature, select the desired temperature 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.
NTG5110 & NTG5220
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5.
Default Schedule
Press Pgm to select Period 4 (
11:00 PM.
This thermostat is pre-programmed with the following default schedule:
Periods
When you have completed your programming, press
Mode/Ret to exit the programming mode.
To modify the Saturday and Sunday Schedules:
MON
TUE
WED
THU
FRI
SAT
SUN
88°F
6 AM
6 AM
6 AM
6 AM
6 AM
6 AM
6 AM
73°F
9 AM
9 AM
9 AM
9 AM
9 AM
--:--
--:--
88°F
5 PM
5 PM
5 PM
5 PM
5 PM
--:--
--:--
73°F
11 PM
11 PM
11 PM
11 PM
11 PM
11 PM
11 PM
When making modifications, make sure you are in the right period.
For example, if you are modifying the time for the time you wake up,
make sure you are in Period 1.
Press Pgm to select Period 1 (
).
Press Day to select SA (Saturday).
Press Hour and Min to enter the time you wake up on weekends.
It applies to people who wake up at 6:00 AM, leave for work by 9:00
AM, return home for 5:00 PM and go to sleep at 11:00 PM.
Press Pgm to select Period 4 (
).
Press Hour and Min to enter the time you go to sleep on weekends.
If the pre-programmed schedule fits your lifestyle, skip the following
section.
Modify the Default Schedule
) and press Hour to enter
Repeat above steps for Sunday (SU).
6.
Press Mode/Ret to exit programming mode.
First, program your schedule. You can program 4 different periods for
each day of the week. For each day, enter:
Time you wake up (Period 1)
Time you leave for work (Period 2)
Time you return home (Period 3)
Time you go to bed (Period 4)
7.
Floor Temperature Limits (AF mode only)
NOTE: To avoid damaging your floor, follow your floor supplier’s recommendations regarding the minimum and maximum floor temperature limits.
The minimum and maximum floor temperature limits are 5 °C (41 °F)
and 28 °C (82 °F) by default. To modify these limits, proceed as follows:
Press Pgm to access the programming mode. Period 1 is
Switch the thermostat to Standby.
displayed (
Press and hold the
).
Press Day to select the day to be programmed (hold for
3 seconds to select all days of the week).
button.
Switch the thermostat back to On.
Release the
button when the minimum temperature
limit (FL:LO) appears.
Set the minimum temperature limit using the
buttons.
Press the
button to display the maximum
temperature limit (FL:HI).
NOTE: It is faster to program the same schedule for the entire week,
then modify the exception days (i.e. Saturday and Sunday).
Press Hour and Min to program the start time, OR
Press Clear to clear a time entry.
Press Pgm to select the next period.
Set the maximum temperature limit using the
Repeat steps 3 and 4 for remaining periods.
buttons.
Press Mode/Ret to exit.
When you have completed your programming, press
Mode/Ret to exit the programming mode.
8.
Special Features
Programming Example:
Temporary or Permanent Temperature Bypass:
This example applies to people who are home during the week.
This operation allows you to temporarily modify the floor temperature
while you are in the Automatic mode.
•
•
•
Comfort period from 6:00 AM to 11:00 PM (Period 1)
Economy period from 11:00 PM to 6:00 AM (Period 4)
Identical schedule for all days of the week.
•
Press Pgm to access the programming mode.
Period 1 is displayed (
).
Press and hold Day for 3 seconds to select every day
of the week.
Press Hour to enter 6:00 AM for Period 1.
Press Pgm to select Period 2 (
the time entry (- - : - -).
) and press Clear to delete
Press Pgm to select Period 3 (
the time entry (- - : - -).
) and press Clear to delete
NTG5110 & NTG5220
•
Simply press
to select the desired temperature, or
or
button to select the Comfort or Economy settings you have programmed.
This temperature will be maintained until the beginning of the
next programmed schedule.
You can also switch to the Vacation setting for a prolonged
absence by pressing . In that case, the temperature bypass is
permanent.
To return to the normal operating mode, press Mode/Ret.
If you wish to immediately return to the programmed settings, press
Mode/Ret.
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Early Start Function:
To Modify the Default Settings:
This thermostat is equipped with a function that enables it to calculate the optimum time to start the heating system to achieve the
desired temperature setting by the programmed time.
Locate the screw at bottom of thermostat. Unscrew.
Remove thermostat faceplate.
Locate the switches at the back of the faceplate. Set the
switches to your preferences.
It could start the heating system as early as 6 hours prior if necessary. Every day, the thermostat will automatically re-evaluate how
early to start heating, based on the previous day’s performance.
Put the faceplate back on the thermostat.
The switch on the back of the thermostat is factory-set to Early Start
ON. To disable this function, see the Switch Selection section.
Secure the thermostat with the screw.
Daylight Savings Time:
The thermostat can automatically re-adjust its time at Daylight Savings Time changeover.
Year 2006: When this function is enabled (On), the thermostat
switches to Daylight Savings Time on the first Sunday of April and to
normal time on the last Sunday of October.
Year 2007 and on: When this function is enabled (On), the thermostat switches to Daylight Savings Time on the second Sunday of
March and to normal time on the first Sunday of November.
NOTE: The function is disabled (default setting) when the clock loses
its setting.
Press the Day button (3 seconds) until DLS appears
on the screen.
Press the
(disabled).
Press the Day button briefly. The month setting is displayed.
Press the
to set the current month.
Press the Day button briefly. The date setting is displayed.
to set the current date.
Press Mode/Ret to exit.
9.
Switch Selection
The thermostat can be configured with the following settings:
#
FUNCTION
UP
DN
1
2
Temperature format display
Early Start
°F
ON
°C
OFF
3
Temperature control mode a
F
AF
Factory settings
a.
Display range: 32 °F to 158 °F (0 °C to 70 °C)
Ambient setpoint range (A/AF models): 40 °F - 86 °F (5 °C to 30 °C)
Floor setpoint range (F model): 40 °F - 104 °F (5 °C to 40 °C)
Floor limit range (AF model): 40 °F - 104 °F (5 °C to 40 °C)
11.
Warranty
to toggle between On (enabled) and Off
Press the Day button briefly. The year setting is displayed.
Press the
to set the current year.
Press the
10.
Technical Specifications
To select the F mode, place the switch in the F position. To select the AF mode,
place the switch in the AF position and ensure that the remote temperature sensor
is connected to the thermostat. To select the A mode, place the switch in the AF
position and ensure that the remote temperature sensor is NOT connected to the
thermostat.
NUHEAT INDUSTRIES ONE (1) YEAR LIMITED WARRANTY
This product is guaranteed against workmanship defects for a
one-year period following the initial date of purchase. During this
period, NUHEAT will repair or replace, at our option and without
charge, any defective product which has been used under normal
conditions.
The warranty does not cover delivery costs and does not apply to
products poorly installed or randomly damaged following installation.
This warranty cancels and replaces any other manufacturer's
express or implied warranty as well as any other company commitment.
NUHEAT cannot be held liable for related or random damages following the installation of this product. The defective product as well as
the purchase invoice must be returned to the place of purchase or
mailed, prepaid and insured, to the following address:
NUHEAT INDUSTRIES LTD.
USA
6920 Salashan Parway
Building D-200
Ferndale, WA 98248
CANADA
1689, avenue Cliveden
Delta, BC
V3M 6V5
1 (800) 778-9276
www.nuheat.com
NUHEATTM is a registered trademark of Nuheat Industries LTD.
®
As an ENERGY STAR partner,
Nuheat™ has determined that this thermostat meets
the ENERGY STAR guidelines for energy efficiency.
NTG5110 & NTG5220
400-115-006-E
10/11/06
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