HAMWORTHY HEATING LTD
10
FLEET V series
500001217/D
Heat exchanger warranty conditions, to be read in conjunction with
Hamworthy Heating Limited’s terms and conditions of sale and service.
Heat exchanger warranties are conditional upon correct system design, installation, operation and maintenance in
accordance with the manufacturer’s instructions, relevant legislation and best practice.
In the event of defect or manufacturing fault it is the buyer's responsibility to prove so, clearly established
and recognised by Hamworthy Heating Limited, the manufacturer's responsibility is as follows:
The warranty is limited to the supply of the part recognised to be faulty for a period of 5 years from date of delivery
and all transport expenses but excludes labour costs inherent to disassembly and reassembly, unless
commissioned by Hamworthy Heating Limited or an approved Sub Contractor.
THE APPLICATION OF THE WARRANTY IS SUBJECT TO:
Compliance with the manufacturer’s recommendations
as detailed in the operating and maintenance manual,
ensuring that the commissioning is carried out by either Hamworthy Heating Limited or a competent engineer. To
ensure that the settings and checks noted on the commissioning sheet (included in the maintenance manual) are
recorded and detailed within the boiler log book.
That the boiler maintenance
is carried out by Hamworthy Heating Limited or a competent maintenance
company, the maintenance regime detail shall be provided in writing, when required, to prove compliance with the
operating and maintenance literature.
Installation requirements
shall be
as defined and required by UK legislation, best practice and applicable
European standards:
Water Supply
•
Feed and Expansion tanks to comply with static height requirements of BS6880 & BS6644.
•
Cold feed and open vent pipes to comply with requirements of BS 6644.
•
Pressurised system to comply with BS 7074.
•
It is required that the system pipe work is flushed twice with a suitable flushing and cleaning agent and
before the new boiler(s) are installed (for example: Sentinel X300 for new systems, or Sentinel X400 for
older systems) prior to the inclusion of water treatment
System water quality
can be the cause of corrosion due to inappropriate Ph levels, oxygen presence and
heterogeneity of different metal types within the system. To avoid this, the system water may have to be treated;
the following limiting values must therefore be used for the composition of the heating water. (Please note: the
guarantee may become null and void if the installation is not flushed and/or the water quality is inadequate).
Element
Composition
Acidity Level (untreated water)
7.0 - 8.0 pH
Acidity Level (treated water)
7.0 - 8.5 pH
Conductivity (untreated water)
800 µS/cm (at 25°C)
Chlorides
≤
150 mg/l
Iron
≤
125 ppm (treated)
Copper
≤
1 ppm (treated)
Aluminium
≤
1 ppm (treated)
Water Hardness (CaCo3),
≤
300 mg/l
Содержание F175V
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