DE DIETRICH DIETRISOL TRIO DT 250 - TRIO DT 350 - Manual (Page 5)

5
17/10/12 - 300028005-001-03 TRIO DT 250 - TRIO DT 350
3 Technical description
3.1 Technical specifications
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 bar 7 10
Maximum operating pressure in accordance with W/TPW (1) bar 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 - 2.7
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