Nuheat NTG5110 Programmable Thermostats Owner’s Guide

Nuheat NTG5110 Programmable Thermostats

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 and maintains the floor temperature within desired limits using an external temperature sensor

Operating Modes

MANUAL	Allows you to manually adjust the temperature set-point. To activate this mode, press Mode/Ret to display the icon. Set the desired temperature using select one of the pre-programmed settings ().
AUTO	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.     )

Memory Backup:
In the event of a power failure, an internal circuit will maintain the programming and time. However, the time will have to be reset if the power failure exceeds 6 hours.

Time and Day Adjustment

1. Set the time using the Hour and Min buttons.
2. Set the day using the Day button.
3. Press Mode/Ret to exit.

Setpoint Configuration

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 Comfort, Economy and Vacation setpoints.

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)

If the default temperature settings suit your personal preferences, skip the following section.
To Modify the Default Setpoints:

1. To modify the Comfort temperature, select the desired temperature using the buttons and hold the button until the icon is displayed (app. 3 seconds).
2. To modify the Economy temperature, select the desired temperature using the buttons and hold the button until the icon is displayed (app. 3 seconds).
3. To modify the Vacation temperature, select the desired temperature using the buttons and hold the button until the icon is displayed (app. 3 seconds).
4. Press the Mode/Ret button to exit this function and return to the normal operating mode.

Default Schedule

This thermostat is pre-programmed with the following default schedule:

Periods	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

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. If the pre-programmed schedule fits your lifestyle, skip the following section.

Modify the Default Schedule

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)

1. Press Pgm to access the programming mode. Period 1 is displayed ( ).
2. Press Day to select the day to be programmed (hold for 3 seconds to select all days of the week).
   NOTE: It is faster to program the same schedule for the entire week, then modify the exception days (i.e. Saturday and Sunday).
3. Press Hour and Min to program the start time, OR
4. Press Clear to clear a time entry.
5. Press Pgm to select the next period.
6. Repeat steps 3 and 4 for the remaining periods.
7. When you have completed your programming, press
   Mode/Ret to exit the programming mode.

Programming Example:
This example applies to people who are home during the week.

• Comfort period from 6:00 AM to 11:00 PM (Period 1)
• The economy period from 11:00 PM to 6:00 AM (Period 4)
• Identical schedule for all days of the week.

1. Press Pgm to access the programming mode. Period 1 is displayed ( ).
2. Press and hold Day for 3 seconds to select every day of the week.
3. Press Hour to enter 6:00 AM for Period 1.
4. Press Pgm to select Period 2 ( ) and press Clear to delete the time entry (- -: – -).
5. Press Pgm to select Period 3 ( ) and press Clear to delete the time entry (- -: – -).
6. Press Pgm to select Period 4 ( ) and press Hour to enter 11:00 PM.
7. When you have completed your programming, press Mode/Ret to exit the programming mode.

To modify the Saturday and Sunday Schedules:
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.

1. Press Pgm to select Period 1 ( ).
2. Press Day to select SA (Saturday).
3. Press Hour and Min to enter the time you wake up on weekends.
4. Press Pgm to select Period 4 ( ).
5. Press Hour and Min to enter the time you go to sleep on weekends.
6. Repeat above steps for Sunday (SU).
7. Press Mode/Ret to exit programming mode.

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:

1. Switch the thermostat to Standby.
2. Press and hold the button.
3. Switch the thermostat back to On.
4. Release the button when the minimum temperature limit (FL: LO) appears.
5. Set the minimum temperature limit using the buttons.
6. Press the button to display the maximum temperature limit (FL:HI ).
7. Set the maximum temperature limit using the buttons.
8. Press Mode/Ret to exit.

Special Features

Temporary or Permanent Temperature Bypass:
This operation allows you to temporarily modify the floor temperature while you are in the Automatic mode.

• Simply press to select the desired temperature, or orbutton 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 it. 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.

Early Start Function:
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.
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. The switch on the back of the thermostat is factory-set to Early Start ON. To disable this function, see the Switch Selection section.
Daylight Savings Time:
The thermostat can automatically re-adjust its time at Daylight Savings Time changeover.

• The 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.
• The year 2007 and 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 to toggle between On (enabled) and Off (disabled).
Press the Day button briefly. The year setting is displayed.
Press the to set the current year.
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.
Press the to set the current date.
Press Mode/Ret to exit.

Switch Selection

The thermostat can be configured with the following settings:

#	FUNCTION	UP	DN
1	Temperature format display	°F	°C
2	Early Start	ON	OFF
3	Temperature control mode a	F	AF

1. 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.

To Modify the Default Settings:

1. Locate the screw at bottom of the thermostat. Unscrew.
2. Remove the thermostat faceplate.
3. Locate the switches at the back of the faceplate. Set the switches to your preferences.
4. Put the faceplate back on the thermostat.
5. Secure the thermostat with the screw.

Technical Specifications

• 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)

Warranty

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 Parkway 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.

Reference

Download Manual:

Nuheat NTG5110 Programmable Thermostats Owner’s Guide

OTHER MANUALS

Nuheat NTG5110 Programmable Thermostats Installational Manual

Nuheat NTG5110 Programmable Thermostats Owner’s Guide