iNSTallaTiON
Settings
26 | WWK222-302 H www.stiebel-eltron.com
12. Settings
Service menu
!
Material losses
Service menu settings shall only be accessed with prior
approval from Stiebel Eltron.
To unlock the service menu, you need to connect a service plug
or enter a code.
Accessing the service menu with a service plug
D0000060217
1
1 Slot X1
Plug the service plug into slot X1 on the back of the program-
ming unit.
Accessing the service menu by entering a code
Press the "Menu" button for longer than
3s. The software version number of the
controller PCB appears.
Display Version number
301 1/3/00
To display the software version number
of the programming unit PCB, press the
"Plus" button.
Display Version number
-103 3/1/00
To go to code entry, press the "Minus"
button.
To go from the software version num-
ber of the controller PCB directly to code
entry, press the "Minus" button.
To go to the code digit check, press the
"Rapid heat-up" button. The currently
active digit flashes.
Set the first digit using the "Plus" and
"Minus" buttons.
To set the next digit, press the "Rapid
heat-up" button.
To confirm the code after entering all
digits, press the "Rapid heat-up" but-
ton.
Service menu
Integral sensor offset
Set the cylinder volume
Compressor lockout due to evaporator fault
Clear high pressure lockout
Clear low pressure lockout
Temperature of evaporator fins
Number of times hot gas temperature sensor was triggered
Number of defrost faults
Number of low pressure triggers
Number of high pressure triggers
Hot gas temperature switching value
Fan lead time
Integral sensor replacement
Set value limit
The parameters in this menu are reserved for qualified contrac-
tors.
Integral sensor offset
You can manually calibrate the integral sensor with the value set.
This should only be done after the DHW cylinder has been fully
heated up, without any DHW being drawn-off.
Example: The configured, active set temperature is 55°C. The
integral sensor of the appliance checks when the set temperature
is reached. If the compressor switches off after heat-up, check the
actual temperature (detected by the cylinder top sensor) using the
programming unit. If the actual temperature is 60°C, for example,
set the integral sensor offset to 5K.
Cylinder top sensor temperature = integral sensor temperature
+ offset
Press the "Menu" button until "lo" ap-
pears on the display.
You can change the value using the "Plus"
and "Minus" buttons. Setting range: -5 - 5
Set the cylinder volume
The cylinder size is required for accurate calculation of the mixed
water volume. You can switch the cylinder size between 200 and
300l using the "Plus" and "Minus" buttons.
If the PCB has been replaced, you will need to set the cylinder size.
If you see the value 9999 in the cylinder size parameter, you must
select a suitable cylinder size for the appliance.
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