Schluter Systems DHERT103 Ditra Heat NON-Programmable Thermostat USER GUIDE

Schluter Systems DHERT103 Ditra Heat NON-Programmable Thermostat

WARNINGS:
To avoid electric shock, disconnect the heating system power supply at the main panel before installation and maintenance of the thermostat. Keep thermostat air vents clean and free from obstruction. This thermostat is an electrical device and must be installed in compliance with national and/or local electrical codes. Installation must be performed by qualified personnel where required by law.

Contents

Loosen the screw at the bottom and remove the faceplate. Do not attempt to remove the screw completely.

Turn the power source OFF at the breaker panel. Make the electrical connections to the power base. AWG between 12 – 20
Note! Do not detach the screws from the terminals. When fastening the screws use a torque between 0.8 – 1.2 Nm.

The floor sensor must not come in contact with electrical wires within the wall and must be routed outside the electrical box.

Thread the floor sensor cable through the hole in the power base. Push the electrical wires to the back of the electrical box. Secure the power base to the wall.

Make the sensor connections. Push the power base into the electrical box.

*Refer to instructions included with the expansion unit

Checking the GFCI

It is important that the GFCI is checked for correct installation and function upon installation and monthly thereafter. To check the GFCI: Press the “TEST” button. The test is successful if the red LED on the right of the thermostat flashes once every two seconds and “GROUND FAULT” appears on the display. If this does not occur, check the installation. Press the “Standby/Reset” button to reset the GFCI. The red LED will stop flashing and the display returns to its normal appearance. If the test fails, repeat the test. If it continues to fail, ask an electrician to check the installation. If during normal operation, the GFCI trips without the “TEST” button is pressed, there could be 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 installation checked by a qualified electrician according to local and national regulations. The red LED on the right of the thermostat can indicate four different GFCI states:

1. LED off – NORMAL state.
2. LED flashing slowly (once every two seconds) – TRIGGERED state. Try pressing the “Standby/Reset” button to reset the GFCI.
3. LED flashing quickly (five flashes per second) – ERROR state. Try switching the power off and then back on again. If the thermostat re-enters the ERROR state, either the wiring is wrong (a GN exists) or the unit is defective and must be replaced.
4. ED lit constantly – Internal microprocessor malfunction or abnormal fault in hardware! Try switching the thermostat off and then back on again. If the LED is still constantly lit, the GFCI is defective and the thermostat must be replaced.

Note: The LED lights up briefly without flashing during every power-up.

BASIC OPERATION

Increasing/Decreasing the Temperature
By default, the thermostat displays the CURRENT temperature. Press the ▲▼ Up/Down buttons ONCE to activate the backlight. Press the ▲▼ Up/Down buttons again to adjust the TARGET tem-perature between 41 to 104° F (0 to 40°C). The screen will display the TARGET temperature for five seconds.

Setting the Time

1. Press the OK (center) button TWICE to access the Menu.
2. Using the ▲▼ Up/Down buttons, go to 12/24 and press the OK (center) button.
3. Select the time format (12-hour clock or 24-hour clock) and press the OK (center) button.
4. Using the ▲▼ Up/Down buttons, go to TIME and press the OK (center) button.
5. Set the hour and press the OK (center) button.
6. Set the minutes and press the OK (center) button.
7. Using the ▲▼ Up/Down buttons, go to EXIT and press the OK (center) button.

Changing the Temperature Unit

1. Press the OK (center) button TWICE to access the Menu.
2. Using the ▲▼ Up/Down buttons, go to C/F and press the OK (center) button.
3. 3. Select the temperature unit (Celsius or Fahrenheit) and press the OK (center) button.

Changing the Temperature Control Setting

1. Press the OK (center) button TWICE to access the Menu.
2. Using the ▲▼ Up/Down buttons, go to FLOOR/ROOM and press the OK (center) button.
3. Select the temperature control setting and press the OK (center) button.
4. Using the ▲▼ Up/Down buttons, go to EXIT and press the OK (center) button.

Temperature Control Setting	Description
Floor (Default)	The floor sensor controls the heating. Floor protection is active. Limits as in Floor/Room.
Room	The built-in sensor controls the heating. This setting is useful if the temperature sensor in the floor is damaged or none is installed. Floor protection is NOT active.
Floor/Room	The built-in sensor controls the heating and the floor sensor limits the floor temperature to 104°F/40°C for Tile or 82°F/28°C for Laminate.

Changing the Floor Type
(not selectable if the Temperature Control
setting is set to ROOM – refer to ‘Changing Temperature Control Setting’
section). Laminate is the default floor type.

1. Press the OK (center) button TWICE to access the Menu.
2. Using the ▲▼ Up/Down buttons, go to TILE/LAMINATE and press the OK (center) button.
   • TILE – the floor temperature will be limited to 104°F/40°C
   • LAMINATE – the floor temperature will be limited to 82°F/28°C.
3. Select the floor type and press the OK (center) button.
4. Using the ▲▼ Up/Down buttons, go to EXIT and press the OK (center) button.

Monitoring Usage

1. Press the OK (center) button TWICE to access the Menu.
2. Using the ▲▼ Up/Down buttons, go to HISTORY and press the OK (center) button.
   • The display will show the number of HOURS (denoted by the ’h’ on the right side of the screen) the floor heating system has been heating over the past 7 days. When done, press the OK (center) button.
3. Using the ▲▼ Up/Down buttons, go to EXIT and press the OK (center) button.

Troubleshooting

E02 – This error message indicates a missing or damaged floor sensor. Contact your installer to verify the floor sensor and connections.

Classification
The product is a Class II device (reinforced insulation) and must be connected to the following leads:

• Phase L1 (L) 120 V
• Neutral L2 (N) 0/120 V
• Max. load 15 A (resistive load) The thermostat is intended to be used with underfloor heating. The terminals are suitable for field wiring cables of 12 to 20 AWG.

Technical data

• Supply ………………………………………………………………………120/240 Vac
• Load …………………………………………………….max. 15 A (resistive load)
• Power …………………………………………………………… 1.800 W at 120 Vac
• …………………………………………………………… 3.120 W at 208 Vac
• …………………………………………………………… 3.600 W at 240 Vac
• GFCI ………………………………………………………Class A (5 mA trip level)
• Floor sensor ……………………………………………………..NTC 10K Ω @ 25°C

UL is Listed in the US and Canada According to the following standards:

• Thermostat: UL 60730-1
• UL 60730-2-9
• CSA E60730-1
• CSA E60730-2-9
• UL file number: E157297
• GFCI: UL 943 4th ed.
• CSA C22.2 No. 144.1-06

Scan the QR code for the Quick in Spanish. For support please contact Customer Service. © 2015 OJ Electronics. All rights reserved. This manual and parts thereof are protected under Danish and international copyright laws.

REFERENCE

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Schluter Systems DHERT103 Ditra Heat NON Programmable Thermostat USER GUIDE

Schluter Systems DHERT103 Ditra Heat NON-Programmable Thermostat USER GUIDE