Danfoss Heat Pump Anleitung zur Fehlerbehebung PDF herunterladen (Seite 20)

VMIFB202

Touching pipes – vibrations

Action:

Establish which pipe(s) causes vibrations and try to remove the tension that is causing the vibrations by, for example, ensuring that no

pipes or exible hoses are too rigid, if that does not help one can install vibration damping rubber compensators on the vibrating

pipe(s)

Incorrectly installed exible hoses - vibrations

Action:

All pipes should be routed in such a way that vibrations cannot be transmitted from the heat pump through the piping and out into the

building. This also applies to the expansion pipe. To prevent transmitting vibration it is recommended

that exible hoses are used for all pipe connections.

To avoid noise caused by pipe mountings, a rubber-coated pipe clamp should be used to prevent the

transmission of vibrations. However, installation should not be too rigid and the pipe clamp must not be too tight

Do not twist the exible hoses as they are installed. At threaded connections, use a counter hold spanner.

Cut the hose to the correct length to avoid excess bowing-out or stretching at bends

Cut the hose to the correct length to avoid excess bowing-out or stretching and oset the ends so that the hose is installed

completely straight.

Use xed pipe bends to avoid excess stress on bends next to connections

Troubleshooting Guide Alarm Sound

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Danfoss Heat Pump Anleitung zur Fehlerbehebung Seite 20