Operation Manual

7
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