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6.
The hot feed from the cylinder must be as illustrated in Figure 2. Side entry
cylinder bosses are not recommended. A drop in cylinder water level could
expose a top entry immersion element. Air in water gathers at the edge of the
cylinder, and in the centre, during the heating process, before travelling up the
vent.
7.
Water pumps can develop leaks and should, therefore, not be located where
seepage may go undetected or cause damage. The pump must be installed
such that it is accessible for servicing or removal. When servicing or disconnecting,
small amounts of water may drain from the unit and pipework.
8.
Care should be taken when using soldering fluxes. Protect the pump from damage
whilst making soldered connections as some fluxes cause damage to plastic
components.
9.
It is recommended that inlet and outlet isolation valves (eg. gate valves) are
fitted to permit isolation of the pump for servicing.
Minimum 1.5 m
with other
simultaneous hot
water services
Warning Pipe
(Overflow)
Cistern
DHW
Other Hot Water Services
System Layout for Mira Enduro Pump
Figure 2
DHW Cylinder
Feed
Air Separation Connections
Pump
11
Cold Feed to
Mixing Valve
90°
30 to 60°
25 mm
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