4
TECHNICAL DATA
(1) Reference conditions: Ambient temperature 20 ¯C - Barometric pressure 1000 mbar - Altitude 100 m a.s.l.
(2) Pressure at test point 12)(A)p.8, with zero pressure in the combustion chamber, with open gas ring 2)(B)p.16 and maximum burner output.
MODEL
GAS 3/2
GAS 4/2
GAS 5/2
GAS 6/2
GAS 7/2
TYPE
521 T1
522 T1
523 T1
524 T1
525 T1
OUTPUT
(1)
2nd stage
kW
130 - 350
112 - 301
180 - 470
155 - 404
320 - 660
275 - 568
520 - 1050
447 - 903
800 - 1760
688 - 1514
Mcal/h
1st stage
kW
Mcal/h
80 - 175
69 - 150
120 - 235
104 - 202
155 - 330
133 - 284
300 - 520
258 - 447
400 - 880
344 - 757
FUEL
NATURAL GAS: G20 - G21 - G22 - G23 - G25
G20
G25
G20
G25
G20
G25
G20
G25
G20
G25
- Net calorific value
kWh/Nm
3
Mcal/Nm
3
10
8,6
8,6
7,4
10
8,6
8,6
7,4
10
8,6
8,6
7,4
10
8,6
8,6
7,4
10
8,6
8,6
7,4
- Absolute density
kg/Nm
3
0,71
0,78
0,71
0,78
0,71
0,78
0,71
0,78
0,71
0,78
- Max delivery
Nm
3
/h
35
41
47
54
66
77
105
122
176
205
- Pressure at maximum delivery
(2)
mbar
11,1
16,4
9,8
14,5
9,8
14,5
12,3
18,2
14,5
21,4
OPERATION
• Intermittent (min. 1 stop in 24 hours)
• Two-stage (high and low flame) and single-stage (all - nothing)
STANDARD APPLICATIONS
Boilers: water, steam, diathermic oil
AMBIENT TEMPERATURE
°C
0 - 40
COMBUSTION AIR TEMPERATURE
°C max
60
ELECTRICAL SUPPLY
V
Hz
230 ~ +/-10%
50 - single-phase
230 - 400 with neutral ~ +/-10%
50 - three-phase
ELECTRIC MOTOR
rpm
W
V
A
2750
250
220 - 240
1,8
2810
370
220 - 240
2,9
2870
750
220/240-380/415
2,85 - 1,65
2840
1500
220/240-380/415
5,9 - 3,4
2840
3000
220/240-380/415
10,9 - 6,3
MOTOR CAPACITOR
µ
F
V
8
450/500
12,5
400/450
IGNITION TRANSFORMER
V1 - V2
I1 - I2
230 V - 1 x 8 kV
1,8 A - 30 mA
ELECTRICAL POWER CONSUMPTION
W max
400
540
850
1700
3400
ELECTRICAL PROTECTION
IP 40
IN CONFORMITY WITH EEC DIRECTIVES
90/396 - 89/336 - 73/23 - 92/42
APPROVAL
CE
0085AQ0707
COUNTRY
CATEGORY
IT - AT - GR - DK - FI - SE
II
2H3B / P
ES - GB - IE - PT
II
2H3P
NL
II
2L3B / P
FR
II
2Er3P
DE
II
2ELL3B /P
BE
I
2E(R)B,
I
3P
LU
II
2E3B /P
GB
