• over 350 schemes to choose from
• speed control, solar operating hours counter
and heat quantity measurement
• 12 sensor inputs
• 7 relay outputs
• function control
• VBus
®
Technical Data:
Housing: plastic, PC-ABS and PMMA
Protection type: IP 20 / DIN 40 050
Ambient temp.: 0 ... 40 °C
Dimensions: 220 x 155 x 62 mm
Mounting: Wall mounting, mounting into
patch-panels is possible
Display: 4-line LCD text display
Operation: 3 push buttons at the front
Functions: Solar system controller for use in solar
thermal systems and conventional heating systems.
With pre-programmed and selectable schemes such
as: standard-solar system, 2-store systems, East-/West
collector, heating circuit backup, heat exchange control,
ther mos tatic after-heating, solid fuel boiler, further func-
tions and options such as heat quantity measurement,
collector cooling function, tube collector function, frost
protection, minimum temperature limitation, speed
control, heat yield balancing, function control according
to BAW-directives.
Sensor inputs: 10 sensor inputs for Pt1000, 1 x CS10,
1 x V40 and 1 digital input
Relay output: 7 relay outputs: 3 semiconductor relays
for speed control, 1 potential-free output (floating relay)
Bus: VBus
®
Power supply: 100 ... 240 V~, 50 ... 60 Hz
Switching capacity:
1 A (semiconductor relays)
4 A (potential-free relay)
4 A sum of all relays
100 ... 240 V~
Rated impuls voltage: 2,5 kV
Mode of operation: Type 1.y
Degree of pollution: 2
Attention: Electrostatic dis charge can cause
damage of electronic components
Warning: high-voltage components
The Multi controller is designed for solar thermal sys-
tems and heating systems. It is preprogrammed for
7 basic systems or 350 schemes which can even be
used to control large systems. A multitude of adjust able
functions and options are realised by 7 relay outputs,
12 sensor inputs for Pt1000, CS10, V40 and Din. Due
to its intelligent and easy-to-understand system con-
figuration and its integrated calorimeter, the controller
also offers the control of complex systems with up to
4 weather-compensated heating circuits. For data com-
munication and remote maintenance, the controller is
equipped with the VBus
®
, which opens the bidirectional
way to modules, PCs or data logging.
Technical data and overview of functions
65
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