MICROMATIC Microtemp MTC4 User manual

WWW.MICRO-MATIC.NO
© 2021 OJ Electronics A/S
Microtemp MTC4
User Manual
67914 11/21 (MTE)

PAGE 2
© 2021 OJ Electronics A/S
Table of contents
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Menu overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Buttons and navigation . . . . . . . . . . . . . . . . . . . . . . . 6
Adjust the heating schedule . . . . . . . . . . . . . . . . . . . . 7
Override the heating schedule . . . . . . . . . . . . . . . . . . . 8
Child Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Factory reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Time settings (cLc). . . . . . . . . . . . . . . . . . . . . . .11
Day settings (dAy). . . . . . . . . . . . . . . . . . . . 12
Schedule and events (5chE). . . . . . . . . . . . . . . . . .13
Display settings (Lcd). . . . . . . . . . . . . . . . . . . . . .14
Remote Control (rCt). . . . . . . . . . . . . . . . . . . . . .15
Open Window (OPEn). . . . . . . . . . . . . . . . . . 16
Adaptive start (AdAP). . . . . . . . . . . . . . . . . . 17
Adjust (AdJ). . . . . . . . . . . . . . . . . . . . . . . 18
Temperature scale (5cAL). . . . . . . . . . . . . . . . 19
Software version (-5U). . . . . . . . . . . . . . . . . . 20
Temperature readout (-FtP,-rtP). . . . . . . . . . . . 21
Power limit (P Li ) 1/2 . . . . . . . . . . . . . . . . . . . . . . .22
Power limit (P Li ) 2/2 . . . . . . . . . . . . . . . . . . . . . . .23
Pulse width modulation (PuL5) 1/2 . . . . . . . . . . . . . . .24
Pulse width modulation (PuL5) 2/2 . . . . . . . . . . . . . . .25
Floor temperature limits (FLLo,FLHi). . . . . . . . . . . . .26
Temperature limits (tLLo,tLhi). . . . . . . . . . . . . . . .27
Sensor application (APP). . . . . . . . . . . . . . . . . . . .28
Exiting the menu (donE). . . . . . . . . . . . . . . . . . . . .29
Change of front cover . . . . . . . . . . . . . . . . . . . . . . . .30
Troubleshooting and additional information. . . . . . . . . . . .31
Contact: Help and support . . . . . . . . . . . . . . . . . . . . .32

PAGE 3
© 2021 OJ Electronics A/S
Introduction
Thank you for choosing the Microtemp MTC4 to
control your heat. We hope you enjoy this thermostat
and that it meets your needs for both comfort and
energy eciency. We have designed this product in
accordance with our strict quality and environmental
requirements.
Microtemp MTC4 is a clock thermostat that easily can
be set to a customized weekly heating schedule. Up to
4 events per day limits the energy consumption.
This thermostat can be used as a controller for electric
room heating pursuant to EN50559.

PAGE 4
© 2021 OJ Electronics A/S
Menu overview
Settings Options
CLc (Clock) 00:00 - 23:59
dAY (Day) Mon, TuE, WEd, tHu,
Fri, SAt, Sun
5chE (Schedule) 5-2, 6-1, 1E2, 1E4, 7E4
Lcd1 (Lcd) Set, cLc, --
Lcd2 (Lcd) Set, tP
rCt(Remote
controlled temp.) 5..25°C
OPEn (Open window) On/O
AdAP (Adaptive start) On/O
Adj (Adjust) -9.9..10°C
5cAL (Scale) °C, now
-5U (Software Version) Readout value
-FtP (Floor temp.) Readout value
-RtP (Room temp.) Readout value
Settings Options
PLi (Power Limit) 0..30
PuL5
(Pulse Width
Modulation)
Aut CYHi: 10..60
CYLo: 10..30
O DiFF: 0.3..10°C
On CYcL: 10..60
FLLo (Floor limit low) 0..40°C
FLHi(Floor limit high) 0..40°C
tLLo (Temp. limit low) 0..40°C
tLHi(Temp. limit high) 0..40°C
APP
(sensor application)
RRoom
FFloor
CRegulator
RF Room w. floor
limits
RE External room
sensor
donE (Done)
Entry
point for
initial
setup
Entry
point for
daily use
settings
Settings for daily use
Settings for installation
Read out values
M

PAGE 5
© 2021 OJ Electronics A/S
Icons
Icon Meaning Icon Meaning
Schedule operation
Open window
Heating is activated
Child lock is engaged
Manual mode
Temperature scale, Celsius
The thermostat is in regulator
mode APP: C
Setpoint
Remote Control

PAGE 6
© 2021 OJ Electronics A/S
Buttons and navigation
Buttons and navigation
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 acess the menu and
confirm changes and settings made in the menu.
”” and ””: The up and down buttons are used to
navigate through the menu and change parameters and
settings.

PAGE 7
© 2021 OJ Electronics A/S
You can adjust the preset schedule to your own needs, by
adjusting the time and setpoint temperature. To change
the heating schedule, see page 13.
For the most ecient regulation possible, a maximum
of 5° between the setback- and comfort tempearture is
recommended.
Example of a 4-event schedule:
Event 1: From 06:00 to 09:00 the thermostat will maintain a
temperature of 25°.
Event 2: From 09:00 to 16:00 the thermostat will maintain a
temperature of 22°.
Event 3: From 16:00 to 23:00 the thermostat will maintain a
temperature of 23°
Event 4: During the night (From 23:00 to 06:00), a temperature
of 20° is maintained.
00:00 06:00 09:00 16:00 23:00
20°
25° 23°
22°
20°
2 431
Adjust the heating schedule
Menu structure:
5chE: 5-2, 6-1, 1E4, 7E4, 1E2 (see page 13)
REMOTE
Changing the time and setpoint in an event:
• Press ”” and ”” for 3 seconds to enter schedule
and event settings.
• You can now change the time and temperature
setpoint for event 1 in the chosen schedule.
• Use ”” and ”” to change the time and confirm
with ” ”.
• Use ”” and ”” to change the temperature setpoint
and return with ” ”.
Note: Step 3 and 4 will be repeated either 2 or 4 times
for each day, depending on the number of events in the
chosen schedule (see previous page)

PAGE 8
© 2021 OJ Electronics A/S
Override the heating schedule
REMOTE
Override heating schedule
Temporary override:During scheduled operation, you
can either use ”” or ”” to override the programmed
setpoint/temperature. This override will hold until next
scheduled event.
During temporary override, a clock ” ”and manual
mode ” ”symbol are shown on the dispay.
Permanet override:Press the ” ”one time to activate
manual override. The thermostat is now in manual
operation and the setpoint temperature can be adjusted
with ”” or ””.
Press ” ” again to exit manual mode and continue with
scheduled operation. During manual mode override, the
manual mode symbol ” ”is shown on the display.
REMOTE

PAGE 9
© 2021 OJ Electronics A/S
Child Lock
REMOTE
Child Lock
The child lock can be activated directly if the thermostat
is idle, or if the thermostat‘s backlight is activated, but
never from within the menu.
• Activate the child lock by pressing ””and ””
simultaneously for 8 seconds, until the padlock ” ”
icon is shown on the display.
• The padlock icon indicates that the childlock is
activated.
• Deactivate the child lock by pressing ”” and ””
simultaneously for 8 seconds, until the padlock icon is
no longer shown in the display.

PAGE 10
© 2021 OJ Electronics A/S
Factory reset
REMOTE
Factory reset
• Activate the thermostat by pressing any of the three
buttons. The backlight will be lit.
• Press ” ” for 8 seconds until the factory reset menu
appears.
Note: After 3 seconds the thermostat will enter the
settings - Keep pressing ” ”for additional 5 seconds.
• Use ””or ”” to navigate through the options and
confirm with ” ” .
no: The thermostat will not perform a factory reset.
SchE: The thermostat will return all schedule and event
settings to default.
ALL: All settings in the thermostat will be factory
reset.