nSpire Touch Programmable Thermostat (White) UDG4-4999-WY


Part Number: UDG4-4999-WY
The nSpire Touch thermostat offers all the things you expect from a smart touchscreen thermostat – intelligent, adaptive control and intuitive operation.
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Common Support Questions (17)

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Common Support Questions


How to figure out the Kilowatt Load usage for your WarmlyYours floor heating system?

On the new touchscreen thermostat UDG4-4999, during the startup menu, users will be prompted to enter their KW load usage. Floor Load is the total wattage of the floor heating system that can be found on the installation or electrical plan. A lot of our customers may not know this for a number of reasons (they did not install or order the floor, it may be a replacement, and info on the installation has been lost, etc.) Here is an easy way to help out and get the Kilowatt load they need for this menu step.

Kilowatt load usage can be figured by taking the square footage of the open floor space multiplied by 15 (for tile) or 12 (for carpet and laminate). This gives us the total wattage which we then divide by 1000 to get the Kilowatts.

An example: the user has a 100-square-foot room that is tiled. The math would look like this: 100 sq feet X 15 watts per square foot = 1500 divided by 1000 = 1.5 KW

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The breaker and wire sizes are selected based on the total amperage of the WarmlyYours heating system connected to a single thermostat. This information is on the WarmlyYours heating system's installation plan, electrical plan, or UL label. Based on guidelines from the National Electrical Code: loads up to 16 Amps may utilize 12 gauge wire with a 20-Amp breaker, and loads up to 12 Amps - 14 gauge wire with a 15-Amp breaker. Local code and/or other factors may change these guidelines.

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Error code "E2" on a WarmlyYours nSpiration Series Radiant Heating Controls (OJ Microline thermostat) means  there is a defective, damaged, or not connected floor sensor. Check connections or replace the sensor if necessary.

Tbhe floor sensor resistance should be in 8kΩ-15kΩ range and can be tested with a digital multimeter on a 20k scale. If the floor sensor resistance is out of range, it could be damaged. Please note, only one floor sensor can be connected to a single WarmlyYours nSpiration Series Radiant Heating Controls (OJ Microline thermostat).

Cause:

Floor sensor is not connected to terminals C&D, defective or damaged

Solution:

Error code "E2" means defective, damaged, or not connected floor sensor. Check connections or replace the sensor if necessary.

Sensor resistance should be in 8kΩ-15kΩ range and can be tested with a digital multimeter on a 20k scale. If the sensor resistance is out of range, it could be damaged. Please note, only one floor sensor can be connected to a single thermostat.


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The default is 10k.  If this is a new installation, that is the answer.  In the very rare occasion that this is replacing a 12 year old or older Energy stat (square OJ Microline from before 2010 with red and green sensor wires), choose 12k.  If this is a replacement for the other 99% of the other thermostats we sold (Honeywell TH115 and TH111 thermostats), 10 k is the value.

Always start with the default 10k and change later if needed.

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Pressing and holding (2-3 sec) physical power/reset button will turn the unit completely OFF. Same process turns the unit back on.

(nHance and nJoin units will have the button on the front faceplate, nSpire Touch WiFi, nSpire Touch and nTrust will have the button on the right side of the faceplate.)

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Follow the on-screen instruction to reset the GFI by pressing the side button. If the unit continues to trip, please contact Tech Support.

Cause:

My OJ Microline nSpire Touch (models UDG4-4999 / UDG4-4999-WY) thermostat says "Ground Fault Detected"

Solution:

Follow the on-screen instruction to reset the GFI by pressing the side button. If the unit continues to trip, please contact Tech Support.


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To unlock WarmlyYours nSpire Touch Programmable Thermostat from child lock mode: Connect the dots on the touch screen to make the letter "L"

Cause:

How to unlock WarmlyYours nSpire Touch Programmable Thermostat (UDG4-4999 or UWG4-4999) with child lock engaged? (3 dots on the screen)

Solution:

To unlock WarmlyYours nSpire Touch Programmable Thermostat from child lock mode: Connect the dots on the touch screen to make the letter "L"


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Cause:

Childlock is activated

Solution:

To unlock draw an "L-shape": touch your finger to the top dot, slide to the lower dot and then slide to the right.


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Solution:

The ground wire in the floor mat must be connected directly to the ground wire of the supply or to the house ground wire.


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Yes, the Touch and Wifi units will keep the time, there is a back up battery that will last quite a long time.  No need for resetting the clock in event of power outage.

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Solution:

Floor load is provided on the installation and electrical plan for your system. Kilowatt load usage can be figured by taking the square footage of the open floor space multiplied by 15 (for tile) or 12 (for carpet and laminate). This gives us the total wattage which we then divide by 1000 to get the Kilowatts. An example. User has a 100 square foot room that is tiled. The math would look like this: 100 sq feet X 15 watts per square foot = 1500 divided by 1000 = 1.5 KW


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Solution:

No, supplied voltage should match the voltage of the heating product.


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Yes, the floor sensor wire can be extended up to 300 feet with 18 AWG wire.

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Solution:

Please enter the default value: 10K


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All thermostats are mandated at 42" height for handicap accessibility, most private residences are mounted at 52-60".

Please see this video on how to install a WarmlyYours nSpiration Series thermostat: https://www.warmlyyours.com/video-media/wire-nspiration-thermostat-to-electric-floor-heating-roll

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Menu > Installer Settings > Sensor Application > Select Floor > Press checkmark to save.

See video here: https://www.warmlyyours.com/en-US/video-media/switching-modes

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Publications and Manuals



Specifications


Warranty / Certifications

Approvals cULus listed
Ingress Protection (IPxx) Rating IP20
Warranty Limited 3-year warranty and lifetime technical support

Electrical

Battery 5-year battery backup of clock and calendar
Circuits Required 1
Connection 4 wires, double pole
Connection Method Hardwired
Ground Fault Protection GFCI, Class A, 5 mA
Maximum Current 15 A
Maximum Load (Resistive Only) 15 A
Maximum Power 1800 W @ 120 V, 3120 W @ 208 V, 3600 W @ 240 V
Supply 120 VAC - 50/60Hz, 240 VAC - 50/60Hz

Appearance

Color White

Logistics

Country of Origin (COO) Malaysia

Product Dimensions

Depth 2″
Installed Depth 0.75″
Length 5.125″
Width 3.25″

Controls

Display Backlit Display
Display Size 2″ W x 3″ H (3.5″ Diagonal)
Languages English, French, Spanish

Thermostat

Floor Sensor Compatibility 10k ohms, 12k ohms and custom
Included Floor Sensor 10k ohms, 15' lead
Temperature Rise Limit in Laminate Floor Protection ~10°F/hr (~5.58°C/hr)

Identifiers

SKU UDG4-4999-WY
UPC (GTIN-12) 881308051228

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