30
Special functions
Menu 7
12
12
12. Special functions
Menu “7. Special functions” is used
to set basic items and expanded
functions.
The menu is closed by pressing
“esc” or selecting “Exit special func-
tions”.
12.1 Program selection
Menu 7.1
The suitable hydraulic variant for the speci
fi
c application is selected and
set here (see 2.5 Hydraulic variants). The associated diagram can be
displayed by pressing “info”.
Setting range: 1-5/ default setting: 1
Caution
Caution
Normally the program selection is made only once during initial
commissioning by the specialist. Incorrect program selection can
lead to unpredictable errors.
The settings in this menu
should only be made by a
specialist.
12.2 Heat quantity
Menu 7.2
A simple heat metering function via S4 and S5 for basic system control can
be activated in this menu. Additional information is required regarding any
antifreeze and the
fl
ow rate of the system (glycol) in litres/hour.
Heat metering setting range: Yes or No / default setting: No
Glycol type setting range: ethylene, propylene / default setting ethylene
Glycol portion setting range: 0...60% / default setting 40%
Flow rate setting range: 10...20000 l/h / default setting 3000 l/h
Caution
Sensors S4 glycol
fl
ow and S5 glycol return must be installed for
heat metering.
The data obtained from heat metering are merely
guide values with no guarantee of accuracy. The data are output
in the Statistics menu.