Stenner Pumps S FIXED SERIE Manual De Instalación Y Mantenimiento página 16

CONNECTIONS
STANDBY
The Standby function can stop the pump remotely. When a dry contact or open collector
signal is received to the Standby inputs, the pump ceases operation as long as the signal
is present. In standby, the POWER/STANDBY LED is lit solid red.
Dry Contact Relay Output
Open Collector Output
For connection to a dry contact
– There is no polarity to observe.
– Connect relay to Standby (-), position 19 and Standby (+), position 20.
For connection to an Open Collector output
– Polarity must be observed.
– Connect OC positive to Standby (+), position 20.
– Connect OC common to Standby (-), position 19.
1 2
NC NC
NC NC
11 12 13
16
S Fixed & Variable Series
continued
Controller
Controller
3 4 5 6
Transfer
Transfer
NC Relay
Relay
(b)
(a)
NC
NC NC
14 15 16
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Pump
Input
7 8 9
Run Leak Leak
Run
Detect
Relay Relay Detect
Relay (b)
(b) (a) Relay (a)
Standby Standby
NC NC
−
( )
17 18 19
Pump
Input
10
+
( )
20