8
TopGas Cascade
60 - 720 kW
4215256-00 - 11/16
3.2. Technical data, TopGas
®
Cascade 80
Number of TopGas Boilers in Cascade
Two
Three
Four
Five
Six
Nominal output at 80/60°C with Natural Gas
kW
147.4
221.1
294.8
368.5
442.2
Nominal output at 40/30°C with Natural Gas
kW
162.0
243.0
324.0
405.0
486.0
Nominal output at 80/60°C with LPG
kW
147.4
221.1
294.8
368.5
442.2
Nominal output at 40/30°C with LPG
kW
159.8
239.7
319.6
399.5
479.4
Nominal load with Natural Gas
kW
150.8
226.2
301.6
377.0
452.4
Nominal load with Propane
kW
148.8
223.2
297.6
372.0
446.4
Operating pressure, minimum/maximum
bar
4 / 1
4 / 1
4 / 1
4 / 1
4 / 1
Operating temperature, maximum
°C
85
85
85
85
85
Boiler water content
litres
10.8
16.2
21.6
27.0
32.4
Boiler weight (dry, excluding frame and headers)
kg
198
297
396
495
594
Frame, header and fixings weight (inline)
kg
259
459
518
718
777
Frame, header and fixings weight (back to back)
kg
248
301
317
517
565
Boiler full load efficiency @ 80/60°C (nCV basis/ gCV basis)
%
98.8/89.0
98.8/89.0
98.8/89.0
98.8/89.0
98.8/89.0
Boiler part load efficiency @ 40/30°C (nCV basis/ gCV basis)
%
110.8/99.9
110.8/99.9 110.8/99.9 110.8/99.9 110.8/99.9
UK Part L Seasonal efficiency
%
97.8
97.8
97.8
97.8
97.8
Standing losses at 70°C
W
210
315
420
525
630
NO
X
emissions (dry and stoichoimetric)
mg/kWh
28
28
28
28
28
Natural Gas pressure, minimum/maximum
mbar
17.4 - 50
17.4 - 50
17.4 - 50
17.4 - 50
17.4 - 50
LPG pressure, minimum/maximum
mbar
37 - 50
37 - 50
37 - 50
37 - 50
37 - 50
Gas consumption (corrected 0°C, 1013mbar)
Natural Gas E (H
U
9.97kWh/m
3
)
m
3
/h
15
22.5
30
37.5
45
Propane (H
U
25.9 kWh/m
3
)
m
3
/h
5.76
8.64
11.52
14.4
17.28
Operating voltage
(1)
V/Hz
230/50
230/50
230/50
230/50
230/50
Control voltage
V/Hz
24/50
24/50
24/50
24/50
24/50
Type of protection
IP
20
20
20
20
20
Condensate quantity (40/30°C Natural Gas)
l/h
14.2
21.3
28.4
35.5
42.6
Condensate pH value
4-6
4-6
4-6
4-6
4-6
Flue gas mass flow
kg/h
249
373.3
498
622.5
747
Flue gas temperature 80/60°C
°C
74.4
74.4
74.4
74.4
74.4
Flue gas temperature 40/30°C
°C
52
52
52
52
52
(1) Each boiler in the cascade requires a 230Vac, 10amp power supply