Scanning Messages - Viessmann vitocal 300-g Operating Instructions Manual

Compact heat pump with electric drive, type bw/bwc and ww/wwc
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Operating conditions in system overview
wQ Secondary circuit pump
wW Secondary circuit return
wE Secondary circuit flow
wR Instantaneous heating water heater
(number adjacent: in stages 1 to 3 in
operation; integral to DHW cylin-
der)

Scanning messages

Faults, warnings and information are captured, displayed and saved by the appli-
ance.
D
A ON/OFF switch
B ON indicator (green)
Dealing with messages
If the system has a message, the rele-
vant symbol flashes on the display (see
l.h. side of area H on page 8). For faults
(«), the fault display C also flashes.
« Fault
! Warning
O Note
50
C Fault display (red)
A
D Programming unit
C B
(cont.)

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