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id.: 17-14-35-1251-08 | 02.2016
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4. Quicker water heating:
Programme P5 provides the function for rapid (simultaneous) water heating, with
which both heat sources are operated (thermal pump and electric heating element in programme P5). This
function is switched on with the HT key by holding it down for 20 seconds. The indicator of the HT flashes
until the set water temperature has been reached. The function can be aborted by pressing the HT key
again.
Operation programs
1. Water heating with just the compressor (P5):
The water heats up until either the temperature selected
is reached or the ambient temperature falls below the value selected. When the hot water cools down by
5°C, the compressor starts the heating process again.
If the ambient temperature falls below the value selected, for safety reasons the compressor switches on for
30 minutes or until a higher ambient temperature is achieved. The water heating is executed in programme
"P5" with the compressor.
2. Water heating with just the electric radiator (P3):
The heating element heats the water until the
temperature selected is reached. The working and safety thermostat of the heating element is set to 65°C.
As the sensor is located under the electric heating element, the temperature displayed can deviate from the
temperature set in the case of a radiator installed above.
3. Water heating in the case of a PV release signal (P6):
The water is warmed up as in P5 until the set
temperature has been reached. If the PV equipment emits the release signal, the water is heated to the set
temperature plus the temperature rise (parameter L6) up to a maximum of 65°C by means of the
compressor. The temperature rise is only active if the PV release signal is active.
4. Bivalent operation:
In bivalent operation, the water is also heated with the heating rod. The bivalent
temperature is between 5°C and -5°C (parameter L1).
Parameter display
Pressing the >+< and >-< keys at the same time takes you to the parameter menu. These two keys can also
be used to scroll through the menu. 8 seconds after the desired parameter has been selected, this value is
displayed for 10 seconds then the display reverts to the main menu and shows the current water
temperature in the storage tank.
Parameter
Designation
Range
Factory setting
L0
Evaporator temperature °C
-15÷95
-
L1
Bivalent temperature in °C
-15°C to 30°C
-12
L2
Time interval for anti-
legionella protection in days
1 to 99
14
L3
Customer Services
-
-
L4
Switch-off
temperature
(hysteresis)
1°C to 20°C
5°C
L5
Putting into operation of the
electric heating rod due to
water temperature being
too low
--, 1°C to 55°C
-- (off)
L6
Temperature increase in
the event of a PV signal.
1 ÷ 20 °C
[5]
L7
Switch-off
temperature
(hysteresis) - PV
1°C to 10°C
[3]
Setting the time interval of the automatic thermal disinfection/safety heating - anti-legionella
protection (60°C):
