UWG5-4999-WY Frequently Asked Questions

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How do I set up my partners app to use the nJoy / UWG5- thermostat?

After the OJ Microline UWG5 app has been installed on each user's device, utilize the same login credentials to operate the nJoy thermostat(s).

There is no need to set up secondary accounts to operate the nJoy thermostat.

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How do I start bluetooth pairing on nJoy WiFi Thermostat?

Download the nJoy UWG5 app and ensure Bluetooth is enabled on your phone. Open the app, tap "Get Connected," and follow the on-screen instructions to complete the setup.

Note: The thermostat will not appear in your phone’s Bluetooth device list. Use the nJoy UWG5 app to complete the connection.

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How do I turn off the nJoy (UWG5-4999) or nTrust 2.0 (UTN5-4999) thermostats?

To completely power off the thermostat, turn off the circuit breaker controlling the thermostat.

Alternatively, put the thermostat into Standby/Frost Protection mode by pressing the lower right button once. A Standby icon will show for a few seconds before it fades out. The thermostat is now in standby. To exit standby, press the lower right button for a moment.

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Is installing reflective insulation effective for making an electric radiant floor heating or snow-melting system more efficient?

Reflective insulation is not effective with conductive heating, which is how embedded floor heating and snow-melting systems transfer heat. To be effective, the reflective insulation surface needs to face an air space (air gap), which allows the reflected heat to be redirected.

An effective solution considers the insulating material's R-Value. This is the rating of a material's insulating properties. The "R" stands for "resistance" and refers to the material's resistance to heat flow, or temperature conduction.

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What is the easiest way to set up my nJoy WiFi Thermostat?

It is highly recommended to use a smartphone for the initial thermostat setup. Download the nJoy UWG5 app and ensure Bluetooth is enabled on your phone. Open the app, tap "Get Connected," and follow the on-screen instructions to complete the setup.

Note: The thermostat will not appear in your phone’s Bluetooth device list. Use the nJoy UWG5 app to complete the connection.

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What settings are lost or need to be re-entered after a factory reset on UWG5 nJoy thermostat?

A factory reset will erase all settings, including schedules, temperature preferences, and Wi-Fi or Bluetooth connections. After resetting, you will need to set up the thermostat again, including re-pairing it with your mobile app.

This option allows you to restore the thermostat to factory settings.
PLEASE NOTE: This action cannot be undone, and all of your personal settings will be lost.

Additionally, if your thermostat was paired via Bluetooth with the UWG5 (nJoy) app, follow these steps to remove it from the Bluetooth list:

  1. Open the UWG5 (nJoy) app.
  2. If logged into your online account, tap the Bluetooth icon in the lower-left corner.
  3. Locate the thermostat on the list (e.g., a greyed-out entry like “Bathroom 2”).
  4. Long press on the thermostat name, then select Delete to remove it from the Bluetooth list.

Note: This action does not remove the thermostat from the iOS Bluetooth pairing list due to Apple’s system restrictions. If using an iPhone, you may need to manually remove the thermostat from your device’s Bluetooth settings.

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