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LWP 200E
7 Operation and function
of the domestic hot
water heat pump
7.1 Operation and display
7.1.1 Description key functions and pilot
lamps
7.1.2 Description of displays
7.1.3 Display
Query current operating data:
The current operating data can be queried at any time using the
"OK" key in the start screen. The following data are available
Display of current operating statuses (footer)
Menu key:
Switches to the main menu, where detailed set-
tings for the heat pump can be made.
Rapid heating key:
Pilot lamp:
Press once to switch on the flange heater
for a set time, set the time via arrow keys (from
0.5 h to max. 4 h)
Press twice to switch on the flange heater contin-
uously
Press three times to turn the electric heating ele-
ment to automatic mode (switches on automati-
cally when needed)
Rapid heating pilot lamp (red)
Permanently if the flange heater was switched
on manually for a defined time
Flashing if the flange heater was switched to
continuous operation manually
On/Off key:
Pilot lamp:
Switch heat pump on/off; the frost protection
function is active when the heat pump has been
switched off. (DHW set value: 20 °C)
Pilot lamp permanently on (green)
Heat pump is ready
ESC key:
Return to the previous menu level
OK key:
Beginning and completion of a parameter
change / selection of a desired menu item;
special function in the start screen: Current
actual temperatures are displayed alternately
Up arrow key:
Value change upwards, or selection menu and
parameters
special function in the start screen: Increase
domestic hot water setpoint
Down arrow key:
Value change downwards, or selection menu
and parameters
special function in the start screen: Decrease
domestic hot water setpoint
M
S
ESC
OK
Current setpoint for domestic hot water
The value can be changed here by pressing the keys.
Hot water temperature in the cylinder (top)
Hot water temperature in the cylinder (bottom)
Air intake temperature
Request domestic hot water preparation
The domestic hot water setpoint is not reached.
Compressor running
Domestic hot water request is being processed
Flange heater active, see Cap. 7.3.2 on pag. 10
Time program running (block / thermal disinfection) active, see Cap.
7.3.1 on pag. 10
Pure ventilation mode without domestic hot water preparation, see
Cap. 7.3.3 on pag. 10
Ventilation mode active
Top line: time /
week day / language
Main field: menu display /
parameter settings
Bottom line: symbols show
currentheat pump status
