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Faults should only be remedied by qualified
personnel!
Observe the safety instructions, see chapter 9
Maintenance.
If the operating defect can't be remedied, con-
tact an after-sales service technician or repre-
sentative office.
Relays
The converter is fitted with 2 output relays aimed for
an interface to centralized control.
ex.: control box, pumps control.
SBM relay:
This relay can be configured in the « Service »
menu < 5.7.6.0 > in 3 operating states.
State: 1
« Available transfer » relay (normal operating for
this pump type).
The relay is activated when the pump runs or is in
a position to run.
When a first defect appears or by mains supply
cutoff (the pump stops), the relay is deactiveted.
Information is given to the control box, regarding
the availability of the pump, even temporarily.
State: 2
« Run transfer » relay.
The relay is activated when the pump runs.
State: 3
« Power on transfer » relay.
The relay is activated when the pump is con-
nected to the network.
SSM relay:
« Failures transfer » relay.
After a series of detection (from 1 to 6 according to
significance) of the same type of defect, the pump
stops and this relay is activated (up to manual action).
Example: 6 defects with a variable time limit on 24
sliding hours.
State of SBM relay is « Available transfer ».
28
1
2
3
Errors
Active
relay
SBM
Rest
relay
Active
relay
SSM
Rest
relay
24H00 sliding
6
4
5
WILO SE 05/2014
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