Live Operating description
5
When the temperature in the collectors reaches the maximum value (adjustment parameter
CMAX
, factory setting 110°C),
the solar pump is triggered to cool the collectors.
The pump continues to operate until the temperature in the collectors is lower than 5 K at parameter
CMAX
and/or the
maximum storage temperature (80°C) is reached in the hot water storage tank.
6
When there is less available sunlight, the temperature in the collectors drops and the temperature in the DHW tank is
stable.
7
As soon as the temperature in the collectors drops below the temperature in the calorifier, the calorifier is cooled down to
its set temperature.
8
When the set point
SX
is reached, the circulation pump shuts down, the temperature in the collectors drops again and the
temperature in the DHW tank falls according to any draw-offs made.
The DHW tank cooling function is inactive if using tubular
collectors (function
FT
active).
3.4.2.
Protection against overheating on the solar
circuit
The control system has various functions, which are easy to discern
for the user, which limit overheating of the installation’s components.
3.5
Technical specifications
3.5.1.
Solar domestic hot water calorifier
200SE-2S
300SE-2S
Primary circuit:
Solar exchanger
Maximum operating temperature
°C
110
110
Maximum operating pressure
Mpa (bar)
1 (10)
1 (10)
Exchanger capacity
litres
5.6
8.1
Exchange surface
m
2
0.84
1.2
Primary circuit:
Back-up exchanger
Maximum operating temperature
°C
110
110
Maximum operating pressure
Mpa (bar)
1 (10)
1 (10)
Exchanger capacity
litres
5.1
5.1
Exchange surface
m
2
0.76
0.76
Pressure drop at 2 m
3
/Time
kPa
4
4
Secondary circuit
(domestic water)
Maximum operating temperature
°C
95
95
Maximum operating pressure
Mpa (bar)
1 (10)
1 (10)
Water content
litres
225
300
Top up volume
litres
75
105
Solar volume
litres
150
195
Weight
Gross weight
kg
125
125
Net weight
kg
109
111.5
(1) Primary temperature: 80 °C - Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary flow rate: 2 m3/h
(2) Primary temperature: 80 °C - Domestic cold water inlet: 10 °C - Domestic hot water outlet: 40 °C - Domestic hot water storage: 65 °C
(3) Satisfies the requirements of the EN 12977–1 standard
3. Technical description
200SE-2S - 300SE-2S
16
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