Operation Manual

7
4. Technical data
Lower performance series:
THERM EL 8 THERM EL 15 THERM EL 23
Nominal heat output kW 7.5 15 22.5
Rated current A 11 22 33
El. components degree of shielding IP 40
Power voltage / frequency
V/Hz
3 x 230 + N + PE/50
Max. rated current A 3 x 12 3 x 24 3 x 36
Wiring main circuit breaker A 16 A 32 A 40 A
Rated current of the control system fuse
A 1.25
Electric durability of the relay - 1.10
5
cycles (16 A. 250V/50 Hz)
Mechanical durability of the relay - 10.10
6
cycles
Heating water inlet/outlet - male G 3/4"
Min. service overpressure of the
heating assembly
bar 0.8
Max. service overpressure of the
heating assembly
bar 2.5
Max. heating water temperature °C 80
Boiler water capacity 1 14.5
Effectiveness for nominal output % 99
Expansion vessel capacity 1 7
Max. number of boilers in the cascade pcs 32
Dimensions (height/ width /depth) mm 805/475/235
Boiler weight without water kg 39.5 42.5 45.5
Higher performance series:
THERM EL 30 THERM EL 38 THERM EL 45
Nominal heat output kW 30 37.5 45
Rated current A 44 55 66
El. components degree of shielding IP 40
Power voltage / frequency
V/Hz
3 x 230 + N + PE/50
Max. rated current A 3 x 48 3 x 60 3 x 72
Wiring main circuit breaker A 50 A 63 A 80 A
Rated current of the control system fuse
A 1.25
Electric durability of the relay - 1.10
5
cycles (16 A. 250V/50 Hz)
Mechanical durability of the relay - 10.10
6
cycles
Heating water inlet/outlet - male G 1"
Min. service overpressure of the
heating assembly
bar 0.8
Max. service overpressure of the
heating assembly
bar 2.5
Max. heating water temperature °C 80
Boiler water capacity 1 28.0
Effectiveness for nominal output % 99
Expansion vessel capacity 1 to order (placed outside the boiler!)
Max. number of boilers in the cascade pcs 32
Dimensions (height/ width /depth) mm 805/475/235
Boiler weight without water kg 56.5 59.5 62.2