Under floor heating systems
The external circulation pump is dimensioned for the
under floor heating system’s demand.
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 accessory is required for this connection.
Ground water system
An intermediate heat exchanger is used to protect the
heat pump's exchanger from dirt. The water is released
into a buried filtration unit or a drilled well. See page 25
for more information about connecting a ground water
pump.
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.
Pool
NIBE™ F1245Chapter 4 | Pipe connections16
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