Domotec Therm-Control DHB 370 C, Installation Notes, Page: 47 / 56

Quick start
Language
selection
Select your language from the language menu.
Connection
check
the unit is automatically executing a connection check.
It will check the heating cable connection, water heater
sensor and pipe sensor connection.
A connection of the unit to an external relay needs to be
confirmed by the user. Water heater sensor and pipe sensor
are optional connections.
If connected, they will automatically switch on. Fine-tune
the sensor inputs in the parameter settings.The unit also
operates in mode without sensors.
Country
selection
select a country in this menu. your selection will define
the default values for time format, pipe diameter and
insulation thickness.
Date input U se the + / - keys to select the year.
Time input U se the +/- keys to set the hour and minute.
Building
type
program
The Therm-Control has s 7 default timer programmes.
S elect a programme by tapping on the corresponding box
(box will turn blue ).
Select cable
type
S elect the installed heating cable.
Plumbing
settings
D efault values are set for selected plumbing set values.
C hange the default values by clicking on the arrow sign
for each value and enter a new value.
Heating cable
Select the type of cable used in your
installation (DHB 200).
Pipe diameter
Selection range DN 15 up to DN 125.
Ambient temperature
Maintain temperature
The ambient temperature is the temperature inside the
room where the heating cable is installed. U se the +/-
keys to select a temperature from 10°C to 25°C. Clicking
on the " back " icon will store the value and show it in
plumbing settings. R ange: from 10°C to 30°C.
The maintain temperature is the water temperature that
you set for normal use. the minimum temperature is 37°c
or the economy temperature, whichever is higher.
The maximum temperature depends on cable type, pipe
thickness, insulation thickness and ambient temperature.
Economy temperature
The economy temperature is the water temperature for
periods in which the amount of hot water used is low (at
night) or high (peak period). Select the temperature using
the +/- keys. T he maximum temperature is the selected
maintain temperature.
Test
programm
start
The test programme runs for 30 minutes, during which all
parameters will be ignored to check heating cable and
connection on site. You can stop the test at any time .
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4. OPERATION
T he Ther m -Control has a resistive touchscreen user interface:
The unit will go in dim mode after 2 minutes with no interaction.
The unit will switch to the main screen after 2 minutes of no-interaction on the
parameter input screens.
4.1 Quick install
W hen the unit is powered up for the first time, a quick setup must be executed before
the unit is ready to start. T he Quick start helps to set all important settings, the unit
will go in main screen mode automatically when done. Quick start is sufficient for
normal operations. More settings are available in the setup menu for special
installation conditions.
4.2. Programme start