Programming Unit - Viessmann BW 30 .CS Series Installation And Service Instructions Manual

Installation sequence
Power supply
(cont.)
LED explanation
L1 L2
HOLD TO TEST
PUSH TO RESET
SMC-3
OVLD SETTING
LED STATUS
ON RUN/ON RUN/FAULT
1 OLVD
2 TEMP
3 PHASE REVERSAL
4 PHASE LOSS/OPEN LOAD
5 PHASE IMBALANCE
6 SHORTED SCR
7 TEST
A1 A2 IN1 IN2 97 98 13 14
T1 T2
Fig. 21

Programming unit

Note
The programming unit is delivered fully fitted.
40
L3
T3
Number of flashes
1 Overload
2 Excess temperature
3 Phase reversal
4 Phase loss / motor not connected
5 Phase asymmetry
6 Short-circuited thyristor
7 Test