HAMWORTHY HEATING LTD
SHERBORNE
500001103/E
2.0
TECHNICAL DATA
2.1
The Sherborne range of boilers can be installed as a
single unit or in modular form with up-to three modules
using HHL supplied equipment. Where the installation
comprises a mixture of S65 and S70c boilers,
balancing valves should be fitted to the boiler(s) in
order to adjust the pressure drop and hence the
water flow rate through each type of boiler. For
installations of more than three units in a single bank,
consult Hamworthy Heating Technical Department for
help or assistance.
The boiler data plate giving details of model and serial
number is located on the inner casing.
Overall dimensions are shown in Figure 2.1. Both
single and multi boiler arrangements are shown.
2.2
General Information and Technical Data relating
to Natural Gas is shown in Figure 2.2.
Technical data relating to propane firing can be
found in Appendix ‘A’.
2.3 Screw threads
: All screw threads used in the
Sherborne
range of boilers conform to the following:-
ISO 7/1
or
ISO 228/1
for pipe threads where applicable.
ISO 262
for all general screw threads.
Figure 2.2 Performance and General Data Information – Natural Gas
GENERAL DATA
Sherborne S65
Sherborne S70
C
Boiler Input kW (Gross) - maximum
77.7
Boiler Input kW (Nett) - maximum
70.0
Boiler Input kW (Gross) - minimum
15.5
Boiler Input kW (Nett) - minimum
14.5
Boiler Output kW -minimum
13.6
Boiler Output kW (condensing) - maximum
71.3
Boiler Output kW (non condensing)- maximum
64.0
66.6
FLUE DATA
Nominal Flue Dia. mm
Single pipe = 100, dual concentric = 80/125 or
100/150
Approx. Flue Gas Temperature (condensing) °C
--
55
Approx. Flue Gas Temperature (non-condensing) °C
140
65
Approx. Flue Gas Vol. @ 9.0 – 9.5% CO
2
& NTP(Dry) m
3
/h
114
Nox corrected (daf) mg/kWh [ppm]
44 [25]
GAS DATA
Nominal Gas Inlet Press. mbar
20
Maximum Gas Inlet Press. mbar
25
Minimum Gas Inlet Press. mbar
12.5
Gas Inlet Connection Pipe Thread Size
Rp¾”
WATER DATA
Water Connections (F&R)
1 ¼ ” BSPT
Waterside Pressure Loss @ 11°C
∆
T Rise mbar
220
520
Waterside Pressure Loss @ 15°C
∆
T Rise mbar
120
280
Maximum Water Pressure bar g
7.0
Water Content (not including pipework) litres
4.0
5.0
System Design Flow Rate @ 11°C
∆
T Rise l/s
1.39
1.45
Minimum Flow Rate @ 15°C
∆
T Rise l/s
1.02
1.05
Shipping Weight (excluding flue) kg
78.0
85.5
ELECTRICAL DATA
Normal Supply Voltage
230V AC 50Hz (175W max.)
Start and Run Current
< 1A
Gas Flow Rate -maximum m
3
/h
7.4
NOTE ! Boiler outputs based on European test conditions – the maximum
∆
T for the Sherborne boiler is
15°C. Flue gas volumes are based on a flue gas temperature of 0°C at 1013mbar
4
Summary of Contents for Sherborne Series
Page 8: ...HAMWORTHY HEATING LTD SHERBORNE 500001103 E Figure 1 1 Boiler Installation Typical 2...
Page 29: ...HAMWORTHY HEATING LTD SHERBORNE 500001103 E Figure 10 6 Gas Pipe Fitting 23...
Page 45: ...HAMWORTHY HEATING LTD SHERBORNE 500001103 E NOTES 39...
Page 46: ...HAMWORTHY HEATING LTD SHERBORNE 500001103 E NOTES 40...
Page 47: ...Notes...