OJ Electronics MTD3-1999 Manuale utente

MTD3-1999

User Manual

67772A 06/19 (AML)

PAGE 2

Table of Contents

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

APP: Sensor Application 1/2. . . . . . . . . . . . . . . . . . . . . . . . 6

APP: Sensor Application 2/2. . . . . . . . . . . . . . . . . . . . . . . . 7

SCA: Temperature Scale . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Li: Floor Temperature Limit . . . . . . . . . . . . . . . . . . . . . . . . 9

TP: Temperature Read-out. . . . . . . . . . . . . . . . . . . . . . . . 10

LCD: Display Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

ADJ: Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

NSB: Night Setback . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

DEF: Frost Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

PWM: Pulse Width Modulation 1/2. . . . . . . . . . . . . . . . . . . 15

PWM: Pulse Width Modulation 2/2. . . . . . . . . . . . . . . . . . . 16

PLI: Power Limit 1/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

PLI: Power Limit 2/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

TIME: Time and Event Settings 1/2 . . . . . . . . . . . . . . . . . . 19

TIME: Time and Event Settings 2/2 . . . . . . . . . . . . . . . . . . 20

SW: Software Version . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Done: Exiting the Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Troubleshooting and Additional Information . . . . . . . . . . . . 23

Change of Front Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 24

PAGE 3

Introduction

Thank you for buying our MTD3 thermostat.

We hope you will enjoy the ease of use oered by

the well-known user interface and design.

This high-quality thermostat is designed to have

minimum impact on the environment and will

at the same time provide you with long-lasting

heating comfort.

The thermostat will switch on your heating system

at preset times each day of the week.

The thermostat is preset with up to four events for

each day of the week. Lowering the temperature

when your home is unoccupied will reduce your

energy costs without reducing comfort.

The thermostat comes with preset heating

schedules suitable for most homes.

The MTD3 thermostat has a temperature setting

range of 0-40°C, a night setback, frost protection

and limit temperatures that ensure your comfort

and protect your property from temperature

excesses.

The front cover can be ﬂipped down.

The on/o switch is located behind the front cover, on

the left side of the front, up = on / down = o.

On the right there are three buttons.

A top button, a middle button and a bottom button.

The middle button is used to access the menu and

conﬁrm changes and settings made in the menu.

The top and bottom buttons are used to navigate

through the menu and change parameters and

settings.

To access the menu, activate the thermostat by

pushing any of the three buttons.

Then press down the middle button for ﬁve seconds.

Note: If you press down the middle button for ten

seconds, the thermostat will perform a factory reset

and all settings will then be reset to factory settings.

This thermostat can be used as a controller for electric

room heating pursuant to EN50559.

PAGE 4

Menu Overview

Menu Setting Options

APP (APP) APP: A; F; C; AF; AE

5gA (SCA) SChi: SCLo - 40.0°C

SCLo: 0.0°C - SChi

Li (Li) Lihi: LiLo - 40°C

LiLo: 0°C - Lihi

tP (tP) FLo: Actual measured temperature

ro: Actual measured temperature

Lgd (LCd) SCA: C; nu

diS: SP; tP

AdJ (AdJ) Measured temperature +/- 10°C

n5b (nSb) 2.0°C - 8.0°C

dEF (dEF) 5.0°C - 10.0°C

Pvm (PWM)

oFF; on; AUt

oFF: diF: 0,3–10,0

on: CYC: 15–60

AUt: CYHi: 10–60

AUt: CYLo: 10–30

Menu Setting Options

Pli (Pli) 0-30 min

t1me (Time)

ModE: o; 5:2; 6:1; 7:0; 0:7

dAY: Non; tuE; UEd; thu; Fri; SAt; Sun

hour: 0-23

Min: 0-59

5v (SW) None

DonE (Done) Save settings and exit the menu

(Options available may vary depending on version)

PAGE 5

Icons

Icon Meaning Icon Meaning

Scheduled operation

Night setback

Frost protection mode

Heating is activated

Child lock is engaged

Fahrenheit is chosen as

temperature scale

Celsius is chosen as

temperature scale

The thermostat is in regulator

mode APP: C

PAGE 6

This option allows you to choose which sensor is used to

control the heating system. If a factory reset is performed,

the thermostat will auto detect an external sensor.

• A: With this setting, the internal room sensor inside

the thermostat, controls the heating system.

• F: With this setting, the external ﬂoor sensor controls

the heating system.

• C: With this setting, the thermostat operates as a

regulator and no sensors are used. The setting is a

percentage of the full load in steps of 1%.

Note that Floor Protection is not active when using

the thermostat as a regulator.

• AF: With this setting, the internal room sensor controls

the heating system subject to maximum and

minimum limits for ﬂoor temperature.

The maximum temperature limit protects wooden

ﬂoors from excessive heat.

The minimum temperature limit prevents the ﬂoor

from becoming uncomfortably cold when heating

is not needed, such as in a bathroom. Note that

this function will increase energy consumption.

Floor limit temperatures are set in the “Li : Floor

Temperature Limit” menu.

APP: Sensor Application 1/2

• Access the menu.

• Scroll through the menu until you come to APP.

• Press the middle button to enter the SENSOR

APPLICATION setting.

• Use the top or bottom button to select the appli-

cation that ﬁts your installation.

• Conﬁrm your choice with the middle button.

PAGE 7

APP: Sensor Application 2/2

• AE: With this setting, an optional external room sensor

(connected to the ﬂoor sensor terminals) controls

the heating system.

(Options available may vary depending on version)

Menu structure:

APP: A; F; C; AF; AE

PAGE 8

SCA: Temperature Scale

This option allows you to set the minimum and maximum

temperatures to which the thermostat can be set.

Operating temperatures:

• SChi: Maximum temperature scale can be set between

minimum temperature (SCLo) and 40°C.

• SCLo: Minimum temperature scale can be set between

0°C and the maximum temperature (SChi).

(If “Sensor Application” is set to “Floor”, a maximum

temperature of 27°C can protect wooden ﬂoors from

drying out. For detailed information, please ask your

ﬂooring supplier).

• Access the menu.

• Scroll through the menu until you come to SCA.

• Press the middle button to enter the scale settings.

• Use the top and bottom buttons to set the limit for the

highest temperature the thermostat may use as its

setpoint temperature.

• Conﬁrm your choice with the middle button.

• Use the top or bottom button to set the limit for the

lowest temperature the thermostat may use as its

setpoint temperature.

• Conﬁrm your choice with the middle button.

Menu structure:

SCA:

SChi: 0,0°C - 40.0°C

SCLo: 0,0°C - SChi

(Options available may vary depending on version)

PAGE 9

Li: Floor Temperature Limit

This option allows you to set the minimum and maximum

limits for the ﬂoor temperature.

Floor temperature limits:

Floor temperature limits allow you to set the highest (Lihi)

and lowest (LiLo) permissible ﬂoor temperature during

room temperature control with the sensor application AF.

If the ﬂoor temperature rises above the maximum

temperature limit, the thermostat will deactivate the

heating system to maintain the temperature below the set

maximum.

If the ﬂoor temperature drops below the minimum

temperature limit, the thermostat will activate the heating

system to maintain the temperature above the set

minimum.

Note that this feature is only applicable in sensor

application AF.

• Access the menu.

• Scroll through the menu until you come to Li.

• Press the middle button to enter the Limit settings.

• Use the top and bottom buttons to set the limit for the

highest temperature the thermostat may reach.

• Conﬁrm your choice with the middle button.

• Use the top and bottom buttons to set the limit for the

lowest temperature the thermostat may reach.

• Conﬁrm your choice with the middle button.

Menu structure:

Li:

Lihi: LiLo - 40°C

LiLo: 0°C - Lihi

(Options available may vary depending on version)

PAGE 10

TP: Temperature Read-out

Depending on which sensors are connected and which

sensor application is chosen, temperatures from the ﬂoor

sensor and the internal room sensor can be monitored

here.

Display settings are not applicable if the sensor

application is set to C.

• Access the menu.

• Scroll through the menu until you come to TP.

• Press the middle button to enter the temperature

read-out.

Either the ﬂoor sensor temperature, the room sensor

temperature, or both are shown depending on the

sensor application setting

• Use the middle button to skip to the next sensor

type and skip to the menu.

Menu structure:

TP:

FLo: Actual measured ﬂoor temperature

ro: Actual measured room temperature

(Options available may vary depending on version)

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