Technical Data - Potterton Sirius WH 50-60-70 Installation, Operation & Maintenance Manual

Boiler model Wh
category
Nominal heat input (net/gross)
Reduced heat input (net/gross)
Rated heat output 75/60°C
-
Rated heat output 50/30°C
-
Reduced heat output 75/60°C
-
Reduced heat output 50/30°C
-
Useful efficiency according to 92/42/CEE directive
Useful efficiency max heat output 75/60 °C net/gross
Useful efficiency max heat output 50/30 °C net/gross
Useful efficiency 30% heat output
Central heating system max. pressure
Heating circuit temperature range
Type
Concentric flue duct diameter
Concentric air duct diameter
Twin-pipe flue duct diameter
Twin-pipe air duct diameter
Max. flue mass flow rate
Min. flue mass flow rate
Max. flue temperature
NOx class
NOx
Type of gas used
Natural gas pressure 2H
Propane gas pressure 3P
Gas Consumption (NG)
Gas Consumption (LPG)
Minimum Operating Pressure
High Level Ventilation to BS6644 boiler room
Low Level Ventilation to BS6644 boiler room
Water Flow at 20°C ∆t
Hydraulic Resistance at 20°C ∆t
Cold Feed Size to BS6644
Safety valve size to BS6644 (open vent system)
Water Content
Maximum Flow Temperature
Ventilation to BS5440
Power supply voltage
Power supply frequency
Rated power supply
Net weight
Dimensions
Protection-limit against humidity and water leakages (**)
(**) according to EN 60529
InstructIons pErtaInInG to thE InstaLLEr

24. tecHnical data

kW
kW
kW
kcal/h
kW
kcal/h
kW
kcal/h
kW
kcal/h
—
%
%
%
bar
°C
—
mm
mm
mm
mm
kg/s
kg/s
°C
—
mg/kWh
—
—
mbar
mbar
m /hr
3
m /hr
3
Bar
cm 2
cm
2
lit/sec
kPa
mm
mm
lit
°C
cm
2
V
Hz
W
kg
height mm
width mm
depth mm
8
Wh 50 Wh 0
II II
hp hp
46,4 - 51,5 56,7 - 62,9
15 - 16,6 16,0 - 17,8
45,0 55,0
38.700 47.300
48,7 59,5
41.880 51.170
14,5 15,5
12.470 13.330
15,8 16,8
13.588 14.450
★★★★ ★★★★
97,3 / 87,3 97,4 / 87,4
105,1 / 94,5 105 / 94,5
107,6 107,5
4 4
25÷80 25÷80
C13 - C33 - C43 - C53 - C63 - C83 - B23
80 80
125 125
80 80
80 80
0,022 0,027
0,007 0,008
74 78
5 5
38,4 33,9
G20 G20
G31 G31
20 20
37 37
4,91 6,00
1,89 2,31
1 1
92,8 113,4
185,6 226,8
0,54 0,66
11,7 17,6
19 19
19 19
5,1 5,6
85 85
230 230
50 50
75 80
64 68
950 950
600 600
466 466
IPX5D IPX5D
Wh 70
II
hp
67,0 - 74,4
20,0 - 22,2
65,0
55.900
70,3
60.460
19,3
15.820
21,0
18.060
★★★★
97,4 / 87,4
105,2 / 94,5
107,6
4
25÷80
80
125
80
80
0,032
0,010
75
5
37,7
G20
G31
20
37
7,08
2,74
1
134
268
0,78
20,6
25
19
6,5
85
230
50
125
72
950
600
466
IPX5D
91.7.1 - GB/IE