Key functions
/
Key
Activate and/or deactivate the unit with the key
by pressing it for longer than 5 seconds. On the display screen
the current display of the the return temperature is shown.
short-term
External enabling
If a potential-free contect is used for the external enabling of the unit,
the controller shows "OFF" in the display and the display of the decimal
places blinks.
The unit has three modes: Stand-By mode, summer mode (cooling mode)
and transition mode (heating mode only for units with HP function). In
stand-by mode the stand-by display illuminates and the current values
are shown. All fault reports and anti-freeze protection resistors are active.
Attention: By changing the parameterisation a different functional
meaning of the display can be programmed!
Mode setting
External contact
Enable open
Display of the current operating values
The normal display shows the current medium intake temperature and
the medium outlet temperature.
By pressing the key the condenser temperature (P63) can also be
read.
normal
display
temperature
medium intake
short-term
short-term
condenser
temperature.
short-term
temperature
medium outlet
normal
display
The potential-free contact has precedence over operation through the con-
troller. With the parameter CF 16 a negation of the contact can take place.
factory. Setting:
CF 16 = 0 (open contact = controller on)
Possible change:
CF 16 = 1 (closed contact = controller on)
External contact
Enable closed
min. 5 sec.
min. 5 sec.
min. 5 sec.
HEATING MODE
only KWL...H
COOLING
MODE
KWL and
KWL...H
Cooling mode
Heating mode
Operating mode
Stand-By
min. 5 sec.
min. 5 sec.
min. 5 sec.
9
Summary of Contents for KWL 130
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