Potterton Gold Installation And Servicing Instructions page 5
Unvented mains pressure water heaters 100, 120, 150, 170, 210, 250 and 300 litre capacity direct and indirect models
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- User's manual and important warranty information (12 pages) ,
- User manual (12 pages) ,
- Installation & service instructions manual (60 pages)
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increase in system water content, it may be necessary
to fit an additional expansion vessel to the secondary
circuit. This should be done if the capacity of the
secondary circuit exceeds 10 litres.
Pipe capacity (copper):
15mm O.D. = 0.13 l/m (10 litres = 77m)
22mm O.D. = 0.38 l/m (10 litres = 26m)
28mm O.D. = 0.55 l/m (10 litres = 18m)
OUTLET
The hot water outlet is a 22mm compression fitting
located at the top of the cylinder. Hot water distribution
pipework should be 22mm pipe with short runs of
15mm pipe to terminal fittings such as sinks and
basins. Pipe sizes may vary due to system design.
Fig. 3: Secondary circulation connection
5
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