INSTALLING PIPEWORK
6 720 643 603 (2011/11)
9
4.2 INSTALLATION OF SOLAR PIPEWORK
EARTHING PIPES
Work must be carried out by an authorised electrician.
B One earthing clamp must be fitted to both the flow
pipe and the return pipe (at any position).
B Connect the earthing clamps to the building's
equipotential bonding strip by means of a standard
PVC-sheathed bonding cable (NYM type, at least
6mm
2
).
INSTALLING SOLAR PIPEWORK WITH AN AUTOMATIC
AIR VENT ON THE ROOF (AVAILABLE AS ACCESSORY)
B Connect pipes to the air vent on a rising incline.
For every downwards change of direction an
additional air vent unit is required (heat-resistant
to 150 °C).
Fig. 5 Position of the automatic air vent valve
1 Automatic air vent
INSULATING PIPES
B Insulate outdoor pipework with material which is
class O rated, which is resistant to UV and to high
temperatures (150 °C).
B Insulate indoor piping with material which is resistant
to high temperatures (150 °C).
7747006489.06-1.SD
1
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