USER MANUAL CENTRAL HEATING STATION TYPE C32SPV24MEC; C32SPV31MEC
REV.12.06.2017
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Technical and functional characteristics
Tab. 1 Technical characteristics
Name
SIGMA24 TN
SIGMA31 TN
Type
C32SPV24MEC
C32SPV31MEC
Gas category
II2H3B/P
Flue type
Natural Draught
Burning room
Open
Energy efficiency symbol (dir. 92/42/CEE)
***
Class NOx (natural gas)
2
3
Energy efficiency class on central heating circuit
C
Energy efficiency class on domestic hot water circuit
A
Clasa CONFORT apa calda menajera (EN13203)
**
Thermal efficiency
G20
93 %
Power (min/max)
G20
9 – 24 KW
10 – 30 KW
Rated pressure gas input
G20
20 mbar
Pressure (min/max) on thermal circuit
0.5÷3.5 bar
Maximum pressure on DHW circuit
8 bar
Temperature on thermal circuit
30÷80 °C
Temperature on the floor heating system circuit
15-45 °C
Temperature on domestic hot water circuit
35÷55 °C
Hot water flow
∆ t = 30 °C
10 l/min
12 l/min
Electric characteristics
Input
~230VAC/50 Hz
Rated power (EEI
pump <0,2)
70 W
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Height
700 mm
Width
436 mm
Depth
306 mm
328 mm
Weight
28 kg
31 kg
Capacity primary heat switch
1 l
Conectors
Thermal input, output
3/4‘’
Cold water input, hot water output
1/2'’
Gas input
3/4'’
Expansion vessel with membrane
7 l
Air/ gas incoming/ outgoing pipes
Ø125
Length of burnt gases connecting pipe
Minim 1 m vertical
Evacuation type
B11BS
Burnt gases (maximum temperature)
~150 °C
Classes of electric protection
Class I
Protection class
IP 40
