Cyclone Direct / Indirect Installation Guide
35
Discharge Arrangement
Discharge Pipework
The inlet control group should be positioned so that the discharge from both safety valves can be
When operating normally water will not be discharged. Water discharge from the two safety valves
will only occur under fault conditions. The tundish should be vertical, located in the same space
valve, with no more than 600mm between the safety device outlet e.g. the temperature relief valve
and the tundish.
The position of the tundish must be that when installed it is visible to the occupants of the prem -
ises. When positioning the tundish, the drain valves and motorised valve ensure that these items
should terminate in a safe place where there is no risk to persons in the vicinity of the discharge,
be of metal and:
nominal outlet size of the safety device, between 18 and 27m at least 3 sizes larger, and so on.
and the worked example. An alternative approach for sizing discharge pipes would be to follow
water for domestic use within buildings and their curtilages.
bends in the pipework.
these locations.
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