Viessmann VITOCAL 100-AW Installation, Service And Operating Instruction page 56

Operating
Service/Configuration Menu
Parameters
Address Description
S12 Duration of defrost cycle
S13 Entering temperature of defrost water
S14 Defrost intervals
S90 Minimum compressor frequency
S91 Maximum compressor frequency
S94 Vitocal Model
56
Vitocal 100-AW AM2V Installation, Service and Operating
Heat Pump Module:
This menu provides access to view heat pump
operating conditions. When prompted for an access
code, turn the navigation dial to the required code
and confirm the code by pressing the dial. If you
want to exit from the code request screen, hold
the navigation dial or wait until automatic return to
main function screen.
Code: 65
Scroll through the menu with the navigation dial
and press the navigation dial to select. When
complete select 'End' to return to the Service
menu.
Default Setting
10 minutes
13°C (55°F)
45 Minutes
30 Hz
90 Hz
Dependant on model
The default settings of addresses S12, S13, and
S14 ensure reliable and economical operation of
the heat pump, however in areas of heavy snow
fall addresses S12 and S13 can be increased and
S14 decreased when standard defrost settings are
determined to not be sufficient.
Settings Range
1-12 Minutes
0-30°C (32-86°F)
30-90 Minutes
Do Not Adjust
Do Not Adjust
Do Not Adjust