Wilo Net - Green Terminal Block; Collective Fault Signal (Ssm (Fault)) - Red Terminal Block; Collective Run Signal (Sbm (Run)) - Orange Terminal Block; Connecting Communication Interfaces - Wilo Stratos MAXO Notice De Montage Et De Mise En Service

en-US
The pump can be controlled using the following functions via ex-
ternal potential-free contacts to digital inputs DI1 or DI2:
▪ extern OFF
▪ extern MAX
▪ extern MIN
▪ extern MANUAL
▪ extern key lock
▪ switchover heating/cooling
In systems with higher switching frequency (> 100 switch-ons/
switch-offs per day) provide switch-on/switch-off by extern OFF.
9.7

Wilo Net - green terminal block

Please refer to the detailed instructions online for information on
connection.
See QR code or www.qr.wilo.com/stratos-maxo_om
9.8 Collective fault signal (SSM (FAULT)) – red terminal
block
➜ Fig. 23
An integrated collective fault signal is available at the SSM (FAULT)
terminal as a potential-free changeover contact.
Contact load:
▪ Minimum permissible: SELV 12 V AC / DC, 10 mA
▪ Maximum permissible: 250 V AC, 1 A, AC1 / 30 V DC, 1 A
9.9 Collective run signal (SBM (RUN)) – orange terminal
block
➜ Fig. 23
An integrated collective run signal is available at the SBM (RUN) ter-
minal as a potential-free close contact.
Contact load:
18
▪ Minimum permissible: SELV 12 V AC / DC, 10 mA
▪ Maximum permissible: 250 V AC, 1 A, AC1 / 30 V DC, 1 A
9.10

Connecting communication interfaces

Observe warning information in chapter "Electrical connection"!
1. Loosen the screws in the module cover.
2. Remove the module cover.
➜ Fig. 22
▪ Please refer to the detailed instructions online for next steps.
See QR code or www.qr.wilo.com/stratos-maxo_om
9.11

Connecting and dismantling the Wilo-Connector

WARNING
Risk of fatal injury from electric shock!
▪ Never connect or disconnect plugs under mains voltage!
Connecting
➜ Fig. 15 to 20
Spring clips: "Cage Clamp" made by WAGO
NOTICE
Fit the NPT adapter (included in delivery) to the
Wilo-Connector on site! Connect conduit with ½"
NPT here!
WILO SE 2019-08