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2.4.1 Connection of cooling 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 the simplified diagram.
Connecting an
insulated CCW
With an insulated CCW, the connection must be made with stopcocks and unions, in
order to allow easy release, extraction and cleaning of the coil.
NB
Do not connect the water coil like this!.
Connection without circulation pump risks frost damage!
Bleeding
Following connection of water supply to the unit:
• Bleed the system thoroughly usin the upper bleed screw on the water coil.
Insufficient
bleeding
Insufficient bleeding can result in still water forming in the system,
which may result in frost-induced leaks during the winter.
Fitting motor valve
The valve must not be fitted with the motor facing down.
Insulate supply
pipe and water coil
The pipes and water coil must be insulated according to applicable
regulations.
Frost protection
The cooling coil can be protected against frost by mixing 25% ethylene
glycol. This provides frost protection down to -13°C.
2.4 Cooling coil
RD12900-03
Содержание MCCW
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