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13
7.1 General
WARNING
DO NOT operate the immersion until the
water heater has been filled with water.
7.2 Checklist before commissioning
�
Check that all installation and vent pipe
requirements have been met.
�
Check all water connections are tight.
�
Check all electrical connections are tight.
�
Check all earth bonding links are connected, tight
and un-damaged.
�
Check earth continuity, short circuits, polarity and
resistance to earth.
7.3 Commissioning procedure
Cistern fed installation
�
Open the highest hot outlet fed by the appliance.
�
Turn on the cold water supply from the cold water
cistern
�
Allow the appliance to fill until water discharges
from the hot outlet.
�
Leave running to purge air and flush pipework
�
Open any other hot outlets to purge air.
8.1
7. Commissioning
WARNING
�
If the appliance is to be left unused
following installation and commissioning
e.g. unoccupied properties, the
appliance should be drained or regularly
flushed through with fresh mains water
once a week.
�
When placing the appliance into service,
the procedure for filling the appliance
and the system checks detailed above
should be carried out.
Summary of Contents for Express 50 Litres
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Page 20: ...20 13 Spare parts Figure 10 Spare parts...
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