Hamworthy Weymouth Advanced, Installation, Commissioning And Servicing Instructions

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HAMWORTHY HEATING LTD
5
WEYMOUTH 500001112/C
5.2 Mains Water Connections.
All connections to local water mains must comply with WRAS Regulations including any local requirements.
The
System temporary fill connection must be as per water supply bylaws & must be removed after initial
filling.
5.3 Expansion Vessels.
System expansion vessels must be constructed to BS4814 or BS6144.
The required expansion vessel size is detailed in the contract documents. If these are not available refer to
section 5.3.1, otherwise if in any doubt contact Hamworthy Heating Limited for comprehensive system sizing
information. Hamworthy Heating Ltd supply a range of suitable expansion vessels details are shown below. A
calculation sheet which can be used to determine a suitable volume for an expansion vessel can be found in the
Appendix.
Figure 6 Hamworthy Heating Expansion Vessels
5.4 Safety Relief Valve.
Must comply with BS6759 part 1, and be sized and installed in accordance with BS6644 & BS7074.
SALES REF NO. HAMWORTHY PART
NO.
TYPE TOTAL VOL. DIAPHRAGM PART
NO.
CONNECTION WT
kgs
HOT WATER
APPLICATIONS -
EPDM DIAPHRAGM
(0-100°C MAX)
HAF 60V 532712002 VERTICAL 60 532712030 R1 BSPT MI 13
HAF 80V 532712003 VERTICAL 80 532712031 R1 BSPT MI 14
HAF 100V 532712004 VERTICAL 100 532712032 R1¼ BSPT MI 15
HAF 200V 532712005 VERTICAL 200 532712033 R1¼ BSPT MI 40
HAF 300V 532712006 VERTICAL 300 532712034 R1¼ BSPT MI 50
HAF 500V 532712007 VERTICAL 500 532712035 R1¼ BSPT MI 80
HAF 750V 532712008 VERTICAL 750 532712036 R1½ BSPT MI 120
HAF 1000V 532712009 VERTICAL 1000 532712037 R1½ BSPT MI 150
HAF 1200V * VERTICAL 1200 * R1½ BSPT MI 530
HAF 1600V * VERTICAL 1600 * R1½ BSPT MI 10
HAF 2000V * VERTICAL 2000 * R1½ BSPT MI 700
* REFER TO HAM-
WORTHY HEATING
HAF 8 532712056 H/V 8 R¾ BSPT MI
HAF 16 532712057 H/V 16 R¾ BSPT MI
HAF 25H 532712010 HORIZONTAL 25 532712029 R1 BSPT MI 5
HAF 60H 532712011 HORIZONTAL 60 532712030 R1 BSPT MI 14
HAF 80H 532712012 HORIZONTAL 80 532712031 R1 BSPT MI 15
HAF 100H 532712013 HORIZONTAL 100 532712032 R1¼ BSPT MI 16
HAF 200H 532712014 HORIZONTAL 200 532712033 R1¼ BSPT MI 41
HAF 300H 532712015 HORIZONTAL 300 532712034 R1¼ BSPT MI 51