Thermia Atria Optimum, Руководство пользователя

Страница: 12 / 28

4.3 Display
The display shows information about the heat pump’s operation, status and alarms.
Symbols that show the heat pump status:
Symbol Meaning
COMPRESSOR – Indicates that the compressor is in operation.
LIGHTNING BOLT – Indicates that the immersion heater is in operation. The number indicates
which additional step is activated.
HOUSE – Indicates that the heat pump produces heat for the heating system.
TAP – Indicates that the heat pump produces heat for the water heater.
F FLOW SENSOR – An F indicates that there is sufficient flow.
CLOCK – Indicates that tariff control is active.
TANK – Indicates the level of hot water in the water heater. When hot water is produced, this is
indicated by a flashing icon for the tank. A lightning symbol next to this symbol indicates peak
heat charging (anti-legionella function).
SQUARE – Either indicates that the operating pressure switch has deployed, or that the pres-
sure pipe temperature has reached its maximum temperature.
DEFROST – Displayed when defrosting is active (applies to Atria).
FAN – Displayed when the fan is active (applies to Atria). L = Low speed, H = High speed
COOLING – Displayed if cooling is produced. A = Active cooling.
The following operating information may also appear:
Message Meaning
ROOM Shows the set ROOM value. Standard value: 20°C.
If the room sensor (accessory) is installed it shows the actual temperature, while the
desired indoor temperature is shown in brackets.
START Indicates that there is a need for heat or hot water production and that the heat
pump will start.
EVU STOP Indicates that the additional function EVU (Elektrizitätsversorgungsunternehmen) is
active. This means that the heat pump is off as long as EVU is active.
NO HEAT DEMAND Indicates that there is no demand for heating or hot water production.
HEAT PUMP START --
XX
Indicates that there is a need for heat or hot water production and that the heat
pump will start in XX minutes.
HEAT PUMP
+ADD.HEAT
Indicates that heat production is active with both compressor and immersion heater.
START_MIN Indicates that there is a demand for heating or hot water production but that a start
delay is active.
User Guide Domestic heat pumps
VUGFD202 Thermia Värmepumpar
12