Technical Data - Potterton WH 46 Installation, Operation And 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 3 /hr
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
35
WH 46 WH 65
II II
2H3P 2H3P
46,4 - 51,5 67,0 - 74,4
15 - 16,6 20,0 - 22,2
45,0 65,0
38.700 55.900
48,7 70,3
41.880 60.460
14,5 19,3
12.470 15.820
15,8 21,0
13.588 18.060
★★★★ ★★★★
97,3 / 87,3 97,4 / 87,4
105,1 / 94,5 105,2 / 94,5
107,6 107,6
4 4
25÷80 25÷80
C13 - C33 - C43 - C53 - C63 - C83 - B23
80 80
125 125
80 80
80 80
0,022 0,032
0,007 0,010
74 75
5 5
38,4 37,7
G20/G31 G20/G31
20 20
37 37
4,91 7,08
1,89 2,74
1 1
92,8 134
185,6 268
0,54 0,78
11,7 20,6
19 25
19 19
5,1 6,5
85 85
230 230
50 50
75 125
64 72
950 950
600 600
466 466
IPX5D IPX5D
926.772.1 - GB/IE