How does this unit connect to the thermostat for the in floor heating. My current unit has the wires connected to the back of the unit.

Hello, this unit has 4 terminals at the back, 2 terminals L(L1) and N(L2) on one end, this is where you connect the power to supply the thermostat, and at the other end you have 2 terminals for the Load (heater) No's 1 and 4. The thermostat also has an option to connect a floor sensor, this connection is accessible behind the screen.

I install it and after couple months it says ground is missing what I need to do to fix it

Is it possible the thermostat message is "Ground fault"? If, during normal operation, the GFCI trips, or thermostat shows "Ground fault", it is possible your heater has a ground fault! To check whether it is a ground fault or nuisance tripping, press “Standby/Reset”. If this causes the red LED to stop flashing and stay off, it was nuisance tripping and the system is operating correctly. If this does not occur, there is a ground fault! In case of a ground fault, it is important to have the heater installation checked by a qualified electrician according to local and national regulations.

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OJ Microline UDG Programmable Thermostat for Heated Floor w/Class A GFCI - 120/240v in Floor Heater Thermostat - Dual Sensing - Includes a Flooring Sensor - 3-Year Warranty & USA Product Support

OJ Microline UDG Programmable Thermostat for Heated Floor w/Class A GFCI - 120/240v in Floor Heater Thermostat - Dual Sensing - Includes a Flooring Sensor - 3-Year Warranty & USA Product Support

Product ID: 186959383

Details

Brand
OJ Microline
Color
White
Controller Type
Push Button
Model Name
UDG-4999
Special Feature
Programmable

⚡15A Load

🔒Child Lock

🌡️Dual Sensing

SAR 599

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Description

🔥 Elevate Your Comfort Game!

SAFETY FIRST - Built-in Class A GFCI for peace of mind.
ENERGY EFFICIENCY - Monitor energy consumption to save on bills.
USER FRIENDLY DESIGN - Easy installation and remote control for ultimate convenience.
INTUITIVE PROGRAMMING - Customize your comfort with a 7-day programmable schedule.
VERSATILE COMPATIBILITY - Works seamlessly with tile, marble, carpet, and more.

The UDG Programmable Thermostat is a cutting-edge solution for heated floor systems, featuring dual voltage compatibility, intuitive programming, and a built-in Class A GFCI for safety. With a 3-year warranty and support, it’s designed for modern living, ensuring maximum comfort while being energy-efficient.

Specifications

ASIN	B084GXTZDS
Additional Features	Programmable
Best Sellers Rank	#444,992 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #494 in Home Programmable Thermostats
Brand Name	OJ Microline
Color	White
Connectivity Protocol	Wired
Connectivity Technology	Wired
Control Method	Remote
Control Type	Button Control
Controller Type	Push Button
Customer Reviews	4.3 4.3 out of 5 stars (41)
Display Type	Manual
Included Components	Floor Sensor
Item Weight	12 ounces
Manufacturer	OJ Microline
Material Type	Other
Model Name	UDG-4999
Model Number	746160537634
Mounting Type	Wall Mount
Number of Items	1
Power Source	Electric
Product Style	Modern
Shape	Rectangular
Specification Met	energy
Temperature Control Type	Digital
Unit Count	1 Count
Voltage	120 volts, 240 volts
Wattage	3600 watts

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