HAMWORTHY HEATING LTD
15
UPTON FLOOR STANDING SERIES
500001340/C
4.4 Water Supply
•
The boiler must NOT be permanently connected to the water mains.
•
The boiler must NOT be used for direct hot water supply. The hot water storage cylinder MUST be of the
indirect type.
•
Pressurised system to comply with BS 7074.
•
The Upton boiler has an aluminium heat exchanger. It is a requirement that the system & pipe work are
flushed at least twice before adding water treatment and before installing the boiler. The system water
MUST be treated and maintained with an appropriate inhibitor (eg. Sentinel X100) and the PH MUST be
managed between 7 & 8.5.
•
In hard water areas (>180mg CaCO
3
/litre) precautions such as water treatment are strongly recommended
to prevent the build up of sludge and scale.
•
Leaks in the system pipework should be fixed to prevent dilution of water treatment. To monitor the volume
of make
-
up water entering the system, a water meter must be fitted and readings recorded in a log book to
be retained on site. Do not top up with more than 5% of the installation's water content in any one year.
•
Maximum working water pressure is 5.3bar.
•
For minimum water pressure 0.5 bar
-
refer to Appendix E
Figure 4.4
-
Water Connection Points
Return water connection R2”
Flow water connection R2”
Safety Valve G¾”
