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Free cooling
The installation can be supplemented with fan con-
vectors, for example, in order to allow connections for
free cooling (PCS 44).
Pipes and other cold surfaces must be insulated with
■
diffusion-proof material to prevent condensation.
Where the cooling demand is high, fan convectors
■
with drip trays and drain connection are needed.
The brine system must be supplied with a pressure
■
expansion vessel (CM3). If there is a level vessel (CM2)
this should be replaced.
Fan convectors
P
Under floor heating systems
The external circulation pump is dimensioned for the
under floor heating system's demand.
If the climate system volume is too small for the heat
pump output, the underfloor heating system can be
supplemented with a buffer vessel, for example NIBE
UKV.
UKV
18
Chapter 4 |
Pipe connections
Fläktkonvektor
2
1
3
T
Two or more climate systems
When more than one climate system, with a lower tem-
perature, is to be heated up, the following connection
can be used. The shunt valve lowers the temperature to,
for example, the under floor heating system.
The ECS 40/ECS 41 accessory is required for this connec-
tion.
Pool
Charging of the pool is controlled by the pool sensor. In
the case of low pool temperatures, the shuttle valve re-
verses direction and opens towards the pool exchanger.
The POOL 40 accessory is required for this connection.
T
Pool
T
NIBE F1145
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