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16/07/2015 - 300028005-001-04
TRIO DT 250 - TRIO DT 350
3.2 Technical data
DIETRISOL
TRIO DT 250
DIETRISOL
TRIO DT 350
Maximum operating temperature
Solar exchangers
°C
120
120
Boiler heat exchanger
°C
90
90
tank
°C
90
90
Maximum operating pressure
Mpa (bar)
0.7 (7)
1 (10)
Maximum operating pressure in accordance with W/TPW
(1)
Mpa (bar)
0.6 (6)
0.6 (6)
Water content
Solar exchangers
litres
9
8.1
Boiler heat exchanger
litres
4.3
4.9
tank
litres
250
350
Surface area
Upper solar heat exchanger
m
2
0.48
0.48
Lower solar heat exchanger
m
2
0.86
0.96
Boiler heat exchanger
m
2
0.64
0.72
Operation with boiler back-up
Top up volume
litres
105
127
Solar volume
litres
145
223
Power exchanged (2) (3)
kW
21
23
Operation with electrical back-up
Top up volume
litres
130
160
Solar volume
litres
120
190
Output of the electrical back-up
kW
2.4
3
Back-up volume heating time (from 15 to
60°C)
h
2h50
2h50
Vecs 40 (5) (6)
Domestic hot water storage temperature:
55 °C
litres
355
420
Vecs40 (5) (6)
Domestic hot water storage temperature:
60 °C
litres
385
450
Continuous output
∆
T = 35 K
(2) (3)
l/h
515
565
Flow rate for 10 minutes where
∆
T = 30 K
(on make-up
volume) (2) (4)
l/10 mm
190
230
Maintenance consumption
kWh/24h
2.2
2.7
Cooling constant Cr
Wh/lKj
0.22
0.19
(1)
Swiss Directives
(2)
Domestic cold water input at 10°C - Primary inlet temperature at 80 °C
Values measured with a wall-mounted boiler
(3)
Domestic hot water temperature: 45 °C
(4)
Domestic hot water temperature: 40 °C
(5)
Domestic cold water inlet 15 °C
(6)
Values measured only on the back-up volume
Domestic hot water load setting: 60 °C
