INSTALLATION
Commissioning
40 | WPF basic www.stiebel-eltron.com
After that, the heat pump and the associated buffer primary pump
are switched ON. You terminate this function by pressing PRG or
by closing the control flap. OFF is displayed again.
36 RELAY TEST
Pressing PRG and continuing to turn the rotary selector allows you
to control the WPMiw relay outputs individually. The individual
outputs are displayed as plain text.
37 LCD TEST
Pressing PRG once initiates an LCD test. All display elements are
displayed in sequence.
38 FAULT LIST
The first fault code is displayed by pressing the PRG key. The fault
is described in plain text at the top of the display, the bottom
shows the fault number. Continuing to turn the rotary selector
still displays fault 1. As additional information, the display shows
the day, month and year together with the relevant time, when
the fault occurred.
In total, 20 faults can be displayed. You can reset the fault list via
a hardware reset.
Example:
The high pressure switch has responded on the 07/17/09 at 14:50
h representing the latest fault in the heat pump.
HP SENSOR MAX
39 WPMIW SOFTWARE
Display of the current software version.
40 ANALYSIS
The bottom of the display shows the enabled stages. The two-digit
display shows the control unit’s internal calculation. A stage will
be switched every time the counter has counted down to zero. This
calculation depends on the controller dynamics and the control
deviation. For this, see controller dynamics.
41 DIAGNOSIS
Pressing PRG indicates whether a FEK is connected and which heat
pump type has been connected.
42 HEAT P RESET
The heat pump can be reset if a fault occurs. That fault is reset by
pressing PRG and setting the system to ON, followed by repeatedly
pressing PRG. The compressor starts again. The fault remains
stored in the fault list.
43 RUNTIMES
Under the RUNTIMES parameter, you can scan the heat pump
values. These values can only be reset via a hardware reset.
WPMIW INFO Meaning
RNT COMP HTG Runtime - compressor heating mode
RNT COMP DHW Runtime - compressor in DHW mode
RUNTIME DHC 1 DHC runtime stage 1
RUNTIME DHC 2 DHC runtime stage 2
RUNTIME DHC 1 2 DHC runtime stage 1 and 2
RNT COMP COO Runtime - compressor in cooling mode
EL OUTPUT DAY Electrical output of compressor in heating mode since
0:00 h today.
TTL EL OUTPUT Total electrical output of compressor in heating mode.
EL OUTPUT DAY Electrical output of compressor in DHW mode since
0:00 h today.
TTL EL OUTPUT Total electrical output of compressor in DHW mode
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