OPERATION
Operation
10 | LWZ 304-404 SOL www.stiebel-eltron.com
4.7.8 HOLIDAY/PARTY
Holidays
During the holidays, if nobody is in the house, central heating,
DHW and ventilation are not required in their full scope. All set
temperatures are set to match the set values of the standby func-
tion. Define the first and last days of the holiday. The setting is
made as described under time/date. At the end of the holiday, the
appliance runs according to the set programs again.
Party
Under this parameter you can extend day mode for several hours.
Enter the start and end time of your party. Times can be set that
go beyond the end of the day the party starts.
4.7.9 Actual values
SETTINGS
26�04�01�0298
SET ROOM TEMPERATURE 2
RELATIVE HUMIDITY 2
DHW TEMPERATURE
DHW SET TEMPERATURE
34.2 °C
26�04�01�0298
ACTUAL VALUES
You can check the following actual and set values:
- OUTSIDE TEMPERATURE
- ROOM TEMPERATURE HC1
- SET ROOM TEMPERATURE HC1
- RELATIVE HUMIDITY HC1
- DEW POINT TEMP. HC1
- ROOM TEMPERATURE HC2: The room temperature of the sec-
ond heating circuit will only be displayed if a room tempera-
ture sensor or an external programming unit is connected.
- SET ROOM TEMPERATURE HC2
- RELATIVE HUMIDITY HC2
- DEW POINT TEMP. HC2
- DHW TEMPERATURE shows the current cylinder water
temperature
- DHW SET TEMPERATURE
- SET VALUE HC 1: Default temperature for the heating circuit
- ACTUAL VALUE HC1 (DHW heating temperature): Heating
circuit temperature, calculated from the flow and return
temperatures, weighted with the value set under
FLOW
PROPORTION
. Whilst DHW is being heated, this parameter
indicates the temperature with which the DHW cylinder is
being heated.
- SET VALUE HC 2
- ACTUAL VALUE HC 2
- CONDENSER TEMP.: In the condenser, the refrigerant is lique-
fied at high pressure. This releases heat which is transferred
to the heating medium.
- EVAPORATOR TEMP.: In the evaporator, the refrigerant is
evaporated at low pressure. As this happens, heat is extract-
ed from the air flow.
- FLOW TEMP.: The flow is the heating pipework between heat
pump and heat consumer (radiator or indirect coil inside
the DHW cylinder). Here you can see the temperature of the
water in this pipe section.
- RETURN TEMP.: The return is the heating pipework between
heat consumer and the heat pump. Here you can see the
temperature of the water in this pipe section.
- COLLECTOR TEMP.: Temperature of the solar collector
- HOT GAS TEMPERATURE: This value specifies the tempera-
ture of the gaseous refrigerant at the condenser inlet.
- SUPPLY AIR SET: This value indicates the percentage of max-
imum control voltage with which the supply air fan operates.
Supply air is the heated outdoor air that is blown into the
ventilation area (living room, bedroom, nursery).
- SUPPLY AIR ACTUAL: INDICATES THE CURRENT SUPPLY AIR
FAN SPEED.
- EXTRACT AIR SET: This value indicates the percentage of
maximum control voltage with which the extract air fan op-
erates. Extract air is the stale air that is extracted from the
extract air area (bathroom, kitchen, WC).
- EXTRACT AIR ACTUAL: current speed of the extract air fan
- EXHAUST AIR SET: Set flow rate of the heat pump fan
- EXHAUST AIR ACTUAL: current speed of the exhaust air fan
- DUAL MODE POINT
- HEATING STAGE
- EVAPORATOR DEFROST: If value 1 appears, this means the
evaporator is currently being defrosted.
- AIR/AIR HEAT EX DEFR: If the value
ON appears, you can
recognise that the air/air heat exchanger is currently being
defrosted.
- HEAT METER HTG DAY: Amount of heat that was transferred
by the heat pump to the heating circuit on this day.
- HEAT METER HTG TTL: Amount of heat that has been trans-
ferred by the heat pump to the heating circuit since the appli-
ance was commissioned.
- Heat meter DHW day: Amount of heat that was transferred by
the heat pump to the DHW cylinder on this day.
- HEAT METER DHW TTL: Amount of heat that has been trans-
ferred by the heat pump to the DHW cylinder since the appli-
ance was commissioned.
- HEAT M BOOST HTG TTL: Amount of heat that has been trans-
ferred by the electric emergency/booster heater to the heat-
ing circuit since the appliance was commissioned.
296066-38500-9030_LWZ_304-404_SOL_Bedienung_en.indb 10 21.07.2015 12:03:48
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