OJ Electronics ECD4-1991 Manual

MCS4-10 / MSD4-1999 / MSA4-10
Contents
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . 1
First time settings
Operation mode
EVENT SETTINGS* . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
USER SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Time and date
Child lock
Display settings
Event schedule
Energy monitor
Display Backlight
Language
Information

INTRODUCTION

ECD4-1991 is an all-in-one thermostat for DIN-rail mounting in an
approved cabinet It covers the needs of a variety of applications
in which maximum comfort and minimum energy consumption are
required, e g electric floor heating, frost protection, ice and snow
melting, cooling, etc The thermostat allows a required temperature
to be set within the range -20 to +80 °C The thermostat can switch
on your heating system at predetermined times on different days
of the week For each day of the week, you can set individual
temperatures for different periods, called events
The thermostat comes with a default schedule suitable for most
homes Unless you change the settings, the thermostat will
operate in compliance with the default schedule
Furthermore, the thermostat features an adaptive function that
automatically changes heating period start times so as to ensure
that the required temperature is reached at the set time After three
days the adaptive function has learned when the heating must be
switched on

GENERAL OPERATION

First time settings

The first time you switch the interrupter ON "I", language, time and
date must be set The menu will automatically guide you through the
process
• Choose your language with the arrows ▲▼ and confirm with OK
• Set the actual hour and press the OK button Then set the
minutes Press OK
• Set the actual date: year, month and day Confirm the settings
with the OK button
The thermostat is now ready for use and will control your heating in
accordance with the pre-programmed event schedule, see Factory
settings
ENGINEER SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Offset temperature
Adaptive function
1
Application
2
Open window
Temperature scale
Frost protection
Setback temp
2
Regulation (PWM)
2
Pipe protection
2
EN50559
2
Factory reset
3
Back
3
Exit
3
3
FACTORY SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Preset schedule
Default values
ERROR CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Power interrupter
The power interrupter button turns the thermostat on when
turned up, and off, when turned down, and the relay disengages
but settings included time and date will remaine
Menu / OK
Menu changes to "OK" in the menus and submenus And is used
to accept your choices and move on to the next menu or sub
menu
Comfort / Manual
in the menus these buttons changes to arrow navigation
arrows ▲▼
Back
When you press back in a menu, you are moved 1 step back in
the menu
Exit
When you press Exit in a menu, you are moved to the main display
screen
© 2024 OJ Electronics A/S
M A N U A L
Thermostat ECD4-1991
8 9 10 11 12 13 14
14:08 Wed
20°C
Comfort Menu Manual
1 2 3 4 5 6 7
Navigation buttons
English
3
3
3
4
4
4
4
4
5
5
5
5
5
6
6
1