User manual

Operating
mode
Meaning
AUX. HEATER The control system only permits the auxiliary heater to be
in operation.
HOT WATER In this mode the heat pump only produces hot water, no
heat goes to the heating system.
3.1.2.2 Symbols
Table 2. Symbols shown in the display.
Symbol Meaning
HP Indicates that the compressor is in operation.
1
LIGHT
NING
Indicates that the auxiliary heater is in operation. The number
indicates what additional step is activated.
HOUS
E
Indicates that the heat pump produces heat for the heating sys-
tem.
TAP Indicates that the heat pump produces heat for the water heater.
F FLOW
SEN-
SOR
An F indicates that a flow sensor is installed.
CLOC
K
Indicates that tariff control is active.
TANK Indicates the level of hot water in the water heater. When hot
water is produced for the water heater, this is indicated by a
flashing icon for the tank. A lightning symbol by the symbol
indicates peak heating charging (anti-legionella function).
SQUA
RE
Either indicates that the operating pressure switch has deployed,
or that the pressure pipe temperature has reached its maximum
temperature.
User manual VUGFA102 – 13