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To Summarise:
- Minimise water loss
- Prevent pumping over in open vented systems
- Provide adequate air venting at all high points
- Maximum chlorine content of 200 mg/l
Take advice on the suitability of inhibitors for use with aluminium
MAX pH of 8.5 when using additives (max. pH of 9 without additives)
If water treatment is used, we recommend the following products:
'Copal
' manufactured by:
Fernox, Cookson Electronics
Forsyth Road
Sheerwater
Woking
Surrey GU21 5RZ
Tel No: 01483 793200
Fax No: 01483 793201
Email: sales@fernox.com
Web site: www.fernox.com
For the correct dosage and for further information on water treatment or system
cleaning we advise direct contact with either of the above companies.
7.4.3 Cold feed and expansion tank height for open vented systems
We recommend the boiler is installed on a closed (pressurised) system wherever
possible with a minimum operating pressure of 0.8 bar. However, open vented systems
can be accomodated as follows: The cold feed and expansion tank heights for all open
vented systems must comply with the requirements laid down in the Health and Safety
Executive publication (latest execution).
The Remeha Quinta series boilers require a minimum static head of 3 m.
7.4.4 Safety valve
A safety valve should be fitted in accordance with the British Standards.
Recommended minimum size of 15 mm (full bore type).
or:
Sentinal 'X100
BetzDearborn Ltd
Sentinal
Foundry Lane
Widnes
Cheshire WA8 8UD
Tel No: 0151 424 5351
Fax No: 0151 420 5447
38
Remeha Quinta 85
' manufactured by:
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