OJ MCD3-1999-UAE6 Bedienungsanleitung

MCD3-1999-OJE6

MCD3-1999-UAE6

INSTRUCTIONS

67886C 03/22 (MTE)

• English

ILLUSTRATIONS

Pages.................................................................................... 3

INSTRUCTIONS

English.................................................................................. 6

MCD3-1999-UAE6

Fig. 1

BR1033A01a

BR1045A04

Fig. 2

MCD3-1999-UAE6

BR1033A03a3

BR1017A05A

653 421

Fig. 4

BR1033A03a3

BR1017A03A

1.5m

Fig. 3

BR1017A03a

MCD3-1999-UAE6

BR1033A07a

Fig. 5

Fig. 6

BR1033A07a

BR1045A06a

1 2 3 4 S 5 6

230VAC

50/60Hz

588569A

MAX LOAD

16A

SENSOR

L1/L3

IP21

Made in Denmark

Stenager 13b DK-6400

T25

MCD3-1999-UAE6

BR1045A06a

MCD3-1999-UAE6

INTRODUCTION

The thermostat is an electronic PWM/PI thermostat for temperature

control by means of an NTC sensor located either externally or

internally within the thermostat.

The thermostat is for ﬂush mounting in a wall box. A baseplate for

wall mounting is also available.

This thermostat can be used as a controller for electric room

heating pursuant to EN 50559.

CONTENTS (FIG. 1)

• Thermostat

• Sensor

IMPORTANT SAFETY INSTRUCTIONS

To avoid electric shock, disconnect the heating system

power supply at the main panel before carrying out any

work on this thermostat and associated components.

Protection against electric shock must be guaranteed

by appropriate mounting. The requirements of Class II are fulﬁlled

after appropriate mounting (reinforced insulation).

Installation must be carried out by qualiﬁed personnel in

accordance with appropriate statutory regulations (where required

by law).

Installation must comply with national and/or local electrical

regulations.

Caution

This instruction must be observed, otherwise the liability

of the manufacturer shall be voided.

Any changes or modiﬁcations made to this thermostat

shall void the liability of the manufacturer.

Instructions

English

Maximum product lifetime is achieved if the product is not turned

o but set at the lowest possible set point / frost protection when

heat is not required.

Notice

The language used in the original documentation is

English.

Other language versions are translations of the original

documentation.

The manufacturer cannot be held liable for any errors in the

documentation. The manufacturer reserves the right to make

alterations without prior notice.

INSTALLING THE SENSOR (FIG. 2)

• Insert the sensor cable into a non-conductive conduit

embedded in the ﬂoor.

• The end of the conduit must be sealed and the conduit placed

as high as possible in the concrete layer.

• The ﬂoor sensor must be centred between loops of heating

cable.

• The two wires from the sensor to the thermostat must be kept

separate from high-voltage wires/cables. Place the sensor cable

in a separate conduit or segregate it from power cables in some

other way. Ensure that the insulation is undamaged on both the

electrical wiring and the ﬂoor sensor. Never use two spare wires

in a multi-core cable.

PLACEMENT OF THE THERMOSTAT (FIG. 3)

The thermostat should be mounted on the wall approx. 1.5 m

above the ﬂoor in such a way as to allow free air circulation

around it. Draughts and direct sunlight or other heat sources

must be avoided.

OPENING THE THERMOSTAT (FIG. 4)

1. Switch o the thermostat

2. Insert a small screwdriver in the bottom right slot of the

thermostat.

3. Turn the handle of the screwdriver outwards while gently pulling

the right side of the bottom a few millimetres towards you.

4. Insert the small screwdriver into the bottom left of the

thermostat.

MCD3-1999-UAE6 English

5. Turn the handle of the screwdriver outwards while gently pulling

the bottom left side a few millimetres towards you.

6. When the bottom part of the front is loose, pull the front gently

away from the rear part.

MOUNTING THE THERMOSTAT (FIG. 5)

1. Mount the thermostat in the wall box.

2. Ensure that both the power slide button on the cover and the

power switch pin in the thermostat are down. Fit the frame and

carefully press the cover onto the thermostat - starting with the

upper part of the cover, then the lower part of the cover.

3. Click the cover into place by applying light, even pressure.

Warning! Do not apply pressure to the corners of the display

cover or to the display itself.

CONNECTIONS (FIG. 6)

Ensure that the mains and load cables are connected as shown in

the ﬁgure.

Terminal 1: Neutral: (N / L2)

Terminal 2: Phase: (L / L1)

Terminal 3: Load: (N / L2) Resistive load only

Terminal 4: Load: (L / L1) Resistive load only

Terminal S: External override*

Terminal 5: Sensor (no polarity)

Terminal 6: Sensor (no polarity)

*Activated by a 230V signal, possibly through an external

control, clock or timer connected to the S terminal.

MCD3-1999-UAE6 English

OPERATING THE THERMOSTAT

ON/OFF: To turn the thermostat ON, open the front cover, push

the ON/OFF switch up (left side of the thermostat).

Settings: Press ”” for 3 seconds to enter the settings. Use ”

”

and ”” to navigate through the settings. Press ”” and change

the value with ”

” or ””. Press ”” to return to the settings.

Factory reset: Press ”” for 8 seconds to enter the factory reset

menu.

Schedule: Press ”

” and ”” simultaneously for 3 seconds to

enter and change the weekly schedule.

Child lock: Press ”

” and ”” simultaneously for 8 seconds to

lock or unlock the buttons. This can only be done from the main

screen.

Manual override: To activate or deactivate manual override,

quickly press and release ””. Note: This is indicated with a hand

symbol on the main screen when activated. This overwrites the

weekly schedule until deactivated again.

Navigation: ”” and ”” are used to adjust the temperature or

to navigate through the menu.

You can ﬁnd the full user manual by scanning the QR code or

entering the URL in a browser.

https://ojelectronics.com/floorheating/products/digital-thermostat-mcd3

MCD3-1999-UAE6 English

Entry

point for

initial

setup

Entry

point for

daily use

settings

Settings for daily use

Settings for installation

Read out values

MENU STRUCTURE

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