HAMWORTHY HEATING LTD
18
UPTON FLOOR STANDING SERIES
500001340/C
5.0 BOILER ASSEMBLY
5.1 General
Boilers are despatched to site as fully assembled units. The flue components (where applicable) and pipe work
kit (where applicable) are the only items that will need assembling on site.
During assembly it is important to take care to prevent damage to the boiler casing.
Boiler positioning must allow the minimum clearances detailed in Section 3.0 to facilitate access for flue and pipe
work connections as well as maintenance. The boiler must be installed on a solid floor.
Health and safety.
Due to the weight of the boiler and high centre of gravity on stacked modules, care must be
taken when manoeuvring the boiler.
5.2 Water Connections
The connections provided on the boiler (refer to Appendix E and figure 4.4) are suitable for direct connection to
the system pipe work. However HHL recommend the use of individual isolating valves, which should be fitted to
each module to enable isolation from the system. However, the arrangement must comply with the requirements of
BS 6644.
When installing water system pipe work, it must be self supporting and care must be taken to ensure that undue
stress is avoided on the boiler flow and return connections. It is recommended that unions are fitted local to the
boiler and outside of the casing, to permit future servicing requirements.
The Upton is designed to operate at 20°C ∆T across the flow and return. Should the flow rate drop, the boiler
controls will modulate the burner to maintain 20°C ∆T. As a safety precaution, a flow switch is fitted to the boiler
heat exchanger to shut the system down in the event of sudden adverse flow conditions.
Where using Hamworthy Heating Ltd pipe work kits, assembly of these is detailed in Instruction Manual supplied
with kit.
5.3 Flue Connection
The Hamworthy Upton boiler is designed for use with open flue systems type B23p
-
Intake from ventilated plant room and
discharge via horizontal/vertical flue.
1.
With the boiler in its desired location, engage the flue collector ducts into each other and position such that
the spigots will fit into the respective flue sockets at the rear of the boiler. In assembling the flue ducts, it is
advisable to lubricate the seal located in the socket fittings using a Silicon based lubricant, to enable easy
movement and adjustment.
2.
Fit and secure the bottom closing plate to the base of the duct assembly. Use the adjustable frame
provided to support the weight of the flue system.
Note:
Should modules be arranged in banks of 2 or 3 high, adjacent to each other, it is advisable to fit the water
and flue connections to each individual bank prior to fitting the connections to the adjacent bank(s).
Flue systems should be designed with reference to BS 6644, IGE/UP/10 and Third Edition of the 1993 Clean Air Act
Memorandum.
Connecting flue pipework must be self
-
supporting to avoid stress on the boiler connections. Local unions are
recommended in the flue pipework to facilitate future servicing requirements.
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