Danfoss – 29
VUBMF102
6
Regular checks
6 .1
Checking operation
During normal operation, the alarm indicator lights green continuously to show that every-
thing is OK. When the alarm is triggered, it flashes green at the same time as a text message
is shown in the display.
Figure 13: Flashing alarm indicator in the event of an alarm .
Regularly check the alarm indicator to ensure that the installation is working correctly. It
is not always the case that you will notice a problem with the installation, for example, in
the event of a fault with the compressor the auxiliary heater starts automatically (operating
mode AUTO). For further information about alarms, see the “Troubleshooting” section.
6 .2
Checking the brine level
The brine circuit must be filled with the correct amount of fluid otherwise the installation
may become damaged.
The brine must be topped up when the level drops so that it is no longer visible in the
expansion tank.
ALARM
LOWPRESS ERROR
Summary of Contents for DHP-AL
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