Position Name Position Name
53 Hot water sensor 114 Auxiliary heat
55 Peak temperature sensor
5.4 System solution intermediate exchanger
To safeguard against the pipes freezing an intermediate exchanger can be installed indoors. In such cases one
must use glycol intended for refrigerant applications in the circuit to the heat pump unit and an extra circulation
pump. Follow the supplier's instructions for mixing, but if none is given 35% is the lowest concentration recom-
mended. To order and for more information about the intermediate exchanger and the circulation pump, contact
Danfoss.
Caution! No glycol mixtures may be used in systems with hot zinc dipped pipes or components.
Installation instructions VMGFD102 – 27
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