Hoval TempTronic MTC Bedienungsanleitung
TempTronic MTC
Operating Instructions
TempTronic MTC
Room temperature controller
for TopVent®GV units
4 220 655-en-00
1 Use 3
1.1 Intended use .................................................................. 3
1.2 User group..................................................................... 3
2 Basic principles 4
2.1 Operating elements........................................................ 4
2.2 Language....................................................................... 5
2.3 Time and date ................................................................ 5
2.4 Display........................................................................... 5
2.5 Keyboard locking ........................................................... 6
2.6 Reset ............................................................................. 6
3 Programming 7
3.1 Temperature setpoints.................................................... 7
3.2 Clock program................................................................ 7
3.3 Heating program ............................................................ 8
3.4 Destratication ............................................................... 8
3.5 Optimisation................................................................... 9
4 Manual operation 9
4.1 Overtime program .......................................................... 9
4.2 Summer ventilation ........................................................ 9
5 Calibration 10
6 External sensor 10
7 External switching 11
8 Alarms 12
9 Information menu 13
10 Installer menu 14
11 Internal battery 15
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Content
1 Use
1.1 Intended use
The TempTronic MTC is a programmable room temperature controller for up to
8 TopVent® GV units. It fulls the following functions:
■Regulation of the room temperature with setting option for 3 temperature
setpoints (0…30 °C)
■Clock programme with 10 programmable time blocks
■Summer ventilation (in 3 speeds)
■Destratication mode
■Recording the room temperature with the integrated temperature sensor
■Connection option for external temperature sensor (instead of the integrated
sensor or for averaging)
■Alarm display and reset
■External switching (o/clock program)
■Keypad lock
■Password protection
Communication is via a 2-wire low-voltage bus system. The TempTronic MTC
cannot be used for 24 V, 230 V or other signals. It may only be used in dry,
dust-free rooms (protection rating IP 30).
Intended use also includes compliance with the operating instructions. Any usage
over and above this use is considered to be not as intended. The manufacturer
can accept no liability for damage resulting from improper use.
1.2 User group
There are 2 user levels:
User level User group Access rights Access
User Trained users ■Setting of temperature
setpoints
■Setting of operating
modes
■Programming
■Alarm processing
free
Installer Experts In addition:
■Setting of control
parameters
Protected by a password
Factory setting
password:
0543
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TempTronic MTC Use
4 220 655-en-00
2 Basic principles
2.1 Operating elements
The device is operated via a 4-line display and 4 keys:
14:08
20°C
Fig. 1: TempTronic MTC
Key Function
■View information
■Access and exit menu
■Conrm values and settings
■Increase values
■Navigation upwards
■Decrease values
■Navigation downwards
Table 1: Key assignment
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2.2 Language
Menu → Settings → Language
Language
Nederlands
→Deutsch
English
Select the desired language:
■Nederlands
■Deutsch
■English
■Francais
■Italiano
■Polski
■Lietuviu
■Cesky
■Dansk
■Russkij
Operating example – How to navigate through the menu:
■To access the menu, press .
■Select the menu item 'Settings' with and press .
■Select the menu item 'Language' with and press .
■Select the desired language with and press .
■To exit the menu, press 2 × .
2.3 Time and date
Menu → Settings → Time/Date
Time/Date
DST On
Time 14:07
Date 24-03-2021 We
■Activate or deactivate automatic changeover
between summer and winter time (Daylight
Saving Time 'DST').
■Set the time and date.
2.4 Display
Menu → Settings → Display
During operation, the time, the room temperature, the valid temperature setpoint
(optional) and, if applicable, alarms are displayed. You can choose between
3 variants for the arrangement on the display:
14:08 Disp1
20°C
■Select the desired display variant:
20°C Disp2
14:08
14:08 Disp3
20°C
Setpoint 21°C
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Basic principles Basic principles
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2.5 Keyboard locking
Keyboard locking is used to protect the controller against unauthorised changing
of the settings. The following security levels can be selected:
■On (keyboard locked)
■O (keyboard unlocked)
■On excl. overtime (access to the overtime program only, see section 4.1)
Menu → Keyboard locking
Keyboard locking
→Keylock code
On
Off
■To modify the unlocking code, select
'Keylock code' and press .
Keylock code
0.0.0.0
■Enter the desired unlocking code.
Keyboard locking
→On
Off
On excl. overtime
■Select the security level.
Unlocking the keyboard
■Press and hold the key for 10 seconds.
■Enter the unlocking code.
Notice
The factory setting for the unlocking code is: 0000
2.6 Reset
You can reset the controller to the factory settings with a reset:
Reset Heater
■Press and hold the key for 10 seconds.
■Conrm with .
■All settings are deleted.
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3 Programming
3.1 Temperature setpoints
In automatic mode, the controller works with 3 dierent setpoints for the room
temperature, each of which can be set from 0...30 °C: 'Day', 'Night' and 'Frost'. The
period for their validity can be freely dened in the clock program.
Menu → Settings → Temperatures
Temperatures
Day 21 °C
Night 15 °C
Frost 6 °C
■Set the desired setpoints for automatic
operation according to the clock program.
3.2 Clock program
The clock program is used to dene regular weekly switching times. You can
program up to 10 time blocks. A block looks like this, for example:
Program Block 1
Mo Tu We Th Fr
07:00 Day
17:00 Night
■Days on which the block is valid
■Switching time 1 and temperature setpoint
■Switching time 2 and temperature setpoint
The following options are available for the days of validity:
■Off
■Mo Tu We Th Fr Sa Su
■Mo Tu We Th Fr
■ Sa Su
■Mo
■Tu
(... and so on until Sunday)
Menu → Settings → Clock program
Program Block 1
Off
■Scroll through the programmed blocks
with .
■To edit the selected block, press .
Program Block 1
Mo Tu We Th Fr
07:00 Day
17:00 Night
■Select the validity days with and
press .
■Set '07', '00', 'Day' with and conrm
each time with .
■Set '17', '00', 'Night' with and conrm
each time with .
■Go on to the next block: Press .
■Delete block: Select 'Off' and press .
■To exit the menu, press 2 × .
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TempTronic MTC
Basic principles Programming
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3.3 Heating program
In the heating program, you can choose between automatic operation according to
the clock program or continuous operation with a specic temperature setpoint:
■Clock program:
– The controller switches the setpoints as dened in the clock program.
– You can change the temperature manually. The manually changed value
remains valid until the next automatic switching time.
■Continuous day:
– The controller operates continuously with the 'Day' setpoint.
– You can change the temperature manually.
■Continuous night:
– The controller operates continuously with the 'Night' setpoint.
– You can change the temperature manually.
■Continuous frost:
– The controller operates continuously with the 'Frost' setpoint.
– You can change the temperature manually.
Menu → Settings → Heating prog.
Heating prog.
Clock program
→Cont. Day
Cont. Night
■Select the desired heating program.
3.4 Destratification
Destratication mode is used to avoid heat accumulation under the hall ceiling.
When this function is activated, the controller continuously compares the air
temperatures in the ceiling area and in the occupied area. If the temperature
dierence becomes too great (factory setting 12 K), it switches on the fans of the
connected units and switches o the heating until a balanced temperature level is
reached again.
Menu → Settings → DeltaT active
DeltaT active
→On
Off
■Activate the destratication mode, if requested.
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3.5 Optimisation
You can set the controller so that it starts heating up in automatic mode before the
entered switching time. Heat-up is optimised so that the desired temperature is
reached at the actual switching time.
Notice
■After activating this function, it will take a few days for the controller to
gather the information needed for optimisation.
■The function is programmed so that individual colder or warmer nights
are not immediately included in the calculations.
■Heat-up starts at the earliest 3 hours before the programmed switching
time and not before midnight.
Menu → Settings → Optimiser
Optimiser
→On
Off
■Activate optimisation, if requested.
4 Manual operation
4.1 Overtime program
Use the overtime program if the controller is working in automatic mode and
the current temperature setpoint is to be maintained for a longer period of time
(beyond the programmed switching time).
The overtime timer can be set in 15-minute increments.
Menu → Overtime program
Overtime program
01:15
■Enter the time period. The countdown starts
immediately when you press the key.
4.2 Summer ventilation
The fan can be switched manually to 3 speeds without the heating being in
operation. This can have a cooling eect in summer.
Menu → Ventilation
Ventilation
Off 1 →2 3
■Select the desired speed.
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TempTronic MTC
Programming Manual operation
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5 Calibration
The measured value of the integrated temperature sensor may deviate from the
actual temperature under unfavourable circumstances (e.g. due to sunlight or
installation on an outside wall). You can compensate for this temperature dier-
ence using the calibration function.
Menu → Settings → Calibration
Calibration
Temp. difference
-2.0
■Enter the correction value.
Example:
– The displayed value is 2 °C too high.
– Enter: -2.0
6 External sensor
Optionally, an external room temperature sensor can be connected to the
controller (for connection, see wiring diagram). You can use the measured value of
the external sensor either instead of the integrated sensor or for averaging.
Possible faults of the external sensor are shown on the display (error 3 = no
sensor found).
Menu → Installer → Password → Remote sensor
Remote sensor
→Used
Not used
Average
■If requested, activate the external sensor and
select the desired use.
Notice
The factory setting for the password is: 0543
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TempTronic MTC Calibration
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