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TECHNICAL DATA
MODEL
TYPE
OUTPUT
(1)
FUEL
- Net calorific value
- Absolute density
- Max delivery
- Pressure at maximum delivery
OPERATION
STANDARD APPLICATIONS
AMBIENT TEMPERATURE
COMBUSTION AIR TEMPERATURE
NOISE LEVELS
Sound pressure
(3)
Sound power
(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.
(3) Sound pressure measured in manufacturer's combustion laboratory, with burner operating on test boiler and at maximum rated output. The sound
power is measured with the "Free Field" method, as per EN 15036, and according to an "Accuracy: Category 3" measuring accuracy, as set out in
EN ISO 3746.
ELECTRICAL DATA
MODEL
TYPE
ELECTRICAL SUPPLY 1 PH
ELECTRICAL SUPPLY 2 PH
ELECTRIC MOTOR
MOTOR CAPACITOR
IGNITION TRANSFORMER
ELECTRICAL POWER CONSUMPTION
ELECTRICAL PROTECTION
COUNTRY
IT - AT - GR - DK - FI - SE
ES - GB - IE - PT
NL
FR
DE
BE
LU - PL
Important:
The installer is responsible for the addition of any safety device not foreseen in the present manual.
kW
nd
2
Stage
Mcal/h
kW
st
1
Stage
Mcal/h
NATURAL GAS: G20 - G25
3
kWh/Nm
3
McaL/Nm
3
kg/Nm
3
Nm
/h
mbar
(2)
• Intermittent (min. 1 stop in 24 hours)
• Two-stage (high and low flame) and single-stage (all - nothing)
Boilers: water, steam, diathermic oil
°C
°C max
dB(A)
GAS 3/2
521 T1
rpm
2750
W
250
V
230
A
1.9
F
V1 - V2
I1 - I2
W max
400
CATEGORY
II2H3B / P
II2H3P
I
I
I
(43.46 ÷ 45.3 MJ/m
2L -
2E -
2
II2ER3P
II2ELL3B /P
I2E(R)B, I3P
II2E3B /P
GAS 3/2
GAS 4/2
521 T1
522 T1
130 - 350
180 - 470
112 - 301
155 - 404
80 - 175
120 - 235
69 - 150
104 - 202
G20
G25
G20
G25
10
8,6
10
8,6
8,6
7,4
8,6
7,4
0,71
0,78
0,71
0,78
35
41
47
54
11,1
16,4
9,8
14,5
75
77
85
87
GAS 4/2
522 T1
1N ~ 230V+/-10% 50 Hz
-
2800
370
230
2.8
8
12,5
540
3
(0°C))
4
GAS 5/2
GAS 6/2
523 T1
524 T1
320 - 660
520 - 1050
275 - 568
447 - 903
155 - 330
300 - 520
133 - 284
258 - 447
G20
G25
G20
10
8,6
10
8,6
7,4
8,6
0,71
0,78
0,71
66
77
105
9,8
14,5
12,3
0 - 40
60
82
84
92
94
GAS 5/2
GAS 6/2
523 T1
524 T1
3 ~ 230-400V+/-10% 50 Hz
2850
2900
740
1500
230-400
200-240/346-415
2.6/1.5 (IE3)
7.1/4.1 (IE3)
-
230 V - 1 x 8 kV
1,8 A - 30 mA
850
1700
IP 40
GB
GAS 7/2
525 T1
800 - 1760
688 - 1514
400 - 880
344 - 757
G25
G20
G25
8,6
10
8,6
7,4
8,6
7,4
0,78
0,71
0,78
122
176
205
18,2
14,5
21,4
85
95
GAS 7/2
525 T1
2920
3000
230/400-400
9.7/5.6 (IE3)
3400
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