Hamworthy Purewell Variheat mk2 110c, Инструкция по установке, наладке и обслуживанию

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HAMWORTHY HEATING LTD
9
PUREWELL Variheat mk2 218612 A03
Figure 4.4 – Water Connection Points
4.4 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 recommended that the system pipework is flushed twice before water treatment.

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 and also to control the system water pH to between 7.0 & 8.0.

Leaks in the system pipe work should be fixed to prevent dilution of water treatment.

Maximum working water pressure is 6 bar.

For minimum water pressure see Appendix ‘E’ - Water Data (Page 45)
Flow Connection
Return Connection
Model Type
PV70c, 95c & 110c
Model Type
PV140c & 180c