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3. Technical description
Live Operating description
When the temperature in the collectors reaches the maximum value (adjustment parameter CMAX, factory setting 110°C),
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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.
When there is less available sunlight, the temperature in the collectors drops and the temperature in the DHW tank is
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stable.
As soon as the temperature in the collectors drops below the temperature in the calorifier, the calorifier is cooled down to
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its set temperature.
When the set point SX is reached, the circulation pump shuts down, the temperature in the collectors drops again and the
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temperature in the DHW tank falls according to any draw-offs made.
3.5
Technical specifications
Primary circuit: Solar exchanger
Maximum operating temperature
Maximum operating pressure
Exchanger capacity
Exchange surface
Primary circuit: Back-up exchanger
Maximum operating temperature
Maximum operating pressure
Exchanger capacity
Exchange surface
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Pressure drop at 2 m
/Time
Secondary circuit (domestic water)
Maximum operating temperature
Maximum operating pressure
Water content
Top up volume
Solar volume
Weight
Gross weight
Net weight
(1) Primary temperature: 80 °C - Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary flow rate: 2 m 3 /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
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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.
3.5.1.
Solar domestic hot water calorifier
°C
Mpa (bar)
litres
2
m
°C
Mpa (bar)
litres
2
m
kPa
°C
Mpa (bar)
litres
litres
litres
kg
kg
200SE-2S - 300SE-2S
200SE-2S
300SE-2S
110
110
1 (10)
1 (10)
5.6
8.1
0.84
1.2
110
110
1 (10)
1 (10)
5.1
5.1
0.76
0.76
4
4
95
95
1 (10)
1 (10)
225
300
75
105
150
195
125
125
109
111.5
26/04/2016 - 7607575-05
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