nHance Programmable Thermostat with Class B GFCI


Part Number: ADG-4999
The nHance is an “all-in-one” programmable thermostat for electric underfloor heating control where optimal comfort temperature and minimum energy consumption is required.
This support page provides publications, manuals, specifications, videos, support articles, and common support questions


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Common Support Questions (9)

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Publications and Manuals (13)

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Specifications (18)

Videos (4)

Articles (3)

Related Items (2)

Similar Items (1)

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Common Support Questions


Cause:

Child lock is activated

Solution:

  • From the home screen
  • Press "OK" button twice
  • Press button UP and DOWN simultaneously for 3 sec.
  • Unlock Child Lock


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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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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 sensor if necessary.

Sensor resistance should be in 8-16k range and can be tested with a digital multimeter in 20k scale.


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

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Cause:

Your heat mat or installation between thermostat and heat mat has a fault current to ground

Solution:

The thermostat has cut off the power for your safety. Please contact your local electrician.


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Cause:

The connection is incorrect

Solution:

Check the connections between the two units. If the USG is connected incorrectly to the thermostat, the USG won't switch off.


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Solution:

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


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Solution:

Yes the adaptive function is reset during a factory reset.


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

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Publications and Manuals



Specifications


Warranty / Certifications

Approvals cULus listed
Ingress Protection (IPxx) Rating IP21
Warranty Limited 3-year warranty and lifetime technical support

Electrical

Connection 4 wires, double pole
Connection Method Hardwired
Ground Fault Protection 15mA EGFPD
Maximum Current 15 A
Maximum Power 1800 W @ 120 V, 3120 W @ 208 V, 3600 W @ 240 V
Supply 120 VAC, 208 VAC, 240 VAC (50/60Hz)

Product Dimensions

Depth 2 in
Installed Depth 0.75 in
Length 4.688″
Width 2.875″

Controls

Display Size 3.5″

Thermostat

Floor Sensor Compatibility 10k ohms and 12k ohms
Includes Floor Sensor Yes (1)
Programmable Yes, 7-day

Identifiers

SKU ADG-4999

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