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TECHNICAL MANUAL
CVM 3000
C 5030 CV/04-99 GB
23
5.8.4 Q version
Selection of automatic operation
With the automatic operating mode the unit satisfies the demands for thermal and/or
refrigerating energy coming from the system. To select the automatic operating mode:
+
press the
T20
key. The LED on the key will light up.
When the automatic operating mode has been selected, both the cold and hot
circuit pumps must be in operation.
Selection of chiller operating mode
+
press the
T21
key. The LED on the key will light up.
Selection of chiller with recovery operating mode
+
press the
T12
key. The LED on the key will light up.
Selection of heat pump operating mode
+
press the
T22
key. The LED on the key will light up.
5.9 Signals
ConF
This message flashes during the writing phase of an EEPROM.
Att
This message flashes during the alarm list erasing.