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1.
INTRODUCTION
The Condensing boiler is a wall hung, fan assisted room-sealed combination boiler.
The boiler, providing both central heating and domestic hot water at street pressure, is designed for use with a fully pumped,
sealed and pressurized heating system.
The boiler is supplied with a pump, diverter valve, pressure relief valve, expansion tank and pressure gauge fully assembled and
tested.
As supplied, the boiler will automatically modulate to provide central heating outputs between 15,350 and 85,400 Btu/h (4.5 and
25.0 kW).
The maximum output available for domestic hot water is 105,500 btu/h (30.9 kW), capable of providing 2.50 (U.S.) gpm (11.4 litres/
min) with a temperature rise of 70°F/39°C.
WARNING
It is the law that all gas appliances are installed by a competent person. It is in your own interest and that of safety to
ensure that the law is complied with.
• In the United States, the installation must conform to the requirements of the authority having jurisdiction or, in the absence of
such requirements, to the National Fuel Gas Code, ANSI Z223.1/NFPA 54. Where required by the authority having jurisdiction,
the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME
CSD-1. Safe lighting and other performance criteria were met with the gas manifold and control assembly provided on the
boiler when the boiler underwent tests specified in ANSI Z21.13-latest edition.
• In Canada, the installation must conform with CGA B149.1 INSTALLATION CODE and/or local installation Code, plumbing or
waste water codes and other codes as applicable.
• Clearances from and protection of combustible material.
• Manufacturer's instructions must NOT be taken in anyway as over-riding statutory obligations.
2.
TECHNICAL DATA
2.1
PERFORMANCE
Central Heating
Heat Input (Gross)
Heat Output (modulating)
Gas Rate A (Natural Gas)
Gas Rate E (LPG Gas)
Max. CH Water Temp. (Approx.)
Domestic Hot Water
Heat Input (Gross)
Heat Output (modulating)
Gas Rate A (Natural Gas)
Gas Rate E (LPG Gas)
Flow Rate at 70 °F/ 39 °C Rise
Max. DHW Water Temp. (Approx.)
7703473 (02-12/19)
MAX
0-2,000 Ft
2,000-4,500 Ft
0-610 m
610-1,370 m
Btu/h
93,550
88,873
kW
27.4
26.0
Btu/h
85,400
81,130
kW
25.0
23.8
/h
ft
3
92.08
87.14
/h
m
3
2.61
2.47
/h
ft
3
36.34
34.57
/h
3
m
1.03
0.98
°F
176
°C
80
MAX
0-2,000 Ft
2,000-4,500 Ft
0-610 m
610-1,370 m
Btu/h
115,500
109,725
kW
33.8
32.2
Btu/h
105,500
100.225
kW
30.9
29.4
/h
ft
3
113.60
107.96
/h
m
3
3.22
3.06
/h
3
ft
44.81
42.63
/h
3
1.27
1.21
m
2.50 gpm (U.S.) - 11.4 l/min
°F
140
°C
60
MIN
16,650
4.9
15,350
4.5
16.58
0.47
6.35
0.18
MIN
16,650
4.9
15,350
4.5
16.58
0.47
6.35
0.18
6
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