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70
Potable System
First you must ensure that the pressure in the expansion vessel is the same as the setting of the pres
-
sure reducing valve i.e. 3 bar (45PSI). The valve is of the Schrader car tyre type.
Check all the connections for water tightness including any factory-made connections such as the
immersion heater and the temperature and pressure relief valve.
Prior to lling, open the hot tap furthest away from the cylinder to expel air. Open the cold main isola
-
tion valve and allow the unit to ll. Once the cylinder has been fully commissioned it should be heated
to its normal operating temperature.
Commissioning
7
System
Smart Plumb Compact Installation
Heating System
The ll ush and ow meter is an important com-
ponent of any heat pump system. It is provided
in all Joule Heat Pump kits. For all heat pump
systems a ow rate of over 16 l/min is required.
It provides connections for the ll and ush ports
of the heating system ush pump for installation
and ongoing servicing. See page 26.
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