Wilo Helix VE 22 Série Notice De Montage Et De Mise En Service page 66

English
Faults must be remedied by qualified personnel
only!
Observe the safety instructions in section
Maintenance.
Relay
The converter is fitted with 2 output relays serv-
ing as interface with the centralised control, e.g.:
switchgear, pump
SBM relay:
This relay can be configured in the "Service"
menu <5.7.6.0> in 3 operating
State: 1 (default setting)
"Available transfer" relay (normal operation of this
pump type).
The relay is activated when the pump is running
or in standby.
The relay is deactivated if an initial mal-
function occurs or if the main power sup-
ply is disconnected (pump switches off).
Pump availability, even temporarily, is signalled to
the switchgear.
State: 2
"Run transfer" relay.
The relay is activated when the pump is running.
State: 3
"Power on transfer" relay.
The relay is activated when the pump is connect-
ed to the network.
SSM relay:
"Failures transfer" relay.
If consecutive malfunctions of the same type are
detected (from 1 to 6 according to significance),
the pump switches off, and this relay is activated
(until manual
Example: 6 defects with a variable duration within
24 hours.
The state of the SBM relay is "Available transfer".
66
control.
modes.
intervention).
9
1
Malfunctions
Active
relay
SBM
Relay at
rest
Active
relay
SSM
Relay at
rest
6
2 3 4 5
Rolling 24 hrs
WILO SE 03/2019