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2.4 Cooling/heating coil
2.4.1 Connection of cooling/heating coil
The dimensioning of valves, pipes, etc. and cooling coil connection must always be
carried out by authorised fitters in accordance with applicable regulations and
legislation.
Mixing loop
See simplified diagrams 1, 2 and 3.
Connecting an
With an insulated CCW, the connection must be made with stopcocks and unions, in
insulated CCW
order to allow easy release, extraction and cleaning of the coil.
NB
Bleeding
Following connection of water supply to the unit:
Insufficient
bleeding
Fitting motor valve
Insulate the supply
pipe and water coil
Do not connect the coil like this!.
Connection without circulation pump risks frost damage!
•
Bleed the system thoroughly usin the upper bleed screw on the water coil.
Insufficient bleeding can result in still water forming in the system,
which may result in frost-induced leaks during the winter.
The valve must not be fitted with the motor facing down.
The pipes and water coil must be insulated according to applicable
regulations.
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