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WARNING: THIS APPLIANCE MUST BE EARTHED.
All exposed pipework must be earthed in accordance with IEE Regulations.
After installation, preliminary electrical checks i.e. short circuit, earth continuity, resistance to earth and
check for correct polarity etc. must be carried out.
Before connecting the electrical supply, ensure the system is full of water and set to the correct pressure
(sealed systems), check for leaks. It is essential that all the air is purged from the system. Only then can
the supply be switched on.
On completion of the work the installation must be tested to IEE Regulations and an NICEIC Inspection and
Completion Certificate must be issued.
Please take note of the installation information. If in doubt please contact your local supplier or Heatrae
Sadia.
CONN5
CONN1
N
E
L
N
R
E
N
L
ELEMENT
CONTROL
FIGURE FIVE: BOILER INTERNAL SCHEMATIC
10
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