Distech Controls ECL/ECB-PTU Series User Manual page 50

Figure 29: Power wiring - AC for ECB-600 with ECx-4XXs: The 24V COM Terminal of all Devices must
be Connected to Ground
Power Source
AC
48
Subnetwork Bus Cable Shield Must
be Connected to Electrical System
Ground – At the ECB -600 Only
24 VAC
Transformer
Fuse: 4 A Max .
Fast Acting
MANDATORY: 24V COM Terminal Must
be Connected to Electrical System Ground
– At the Transformer's Secondary Only
24 VAC
Transformer
Fuse: 4 A Max .
Fast Acting
MANDATORY: 24V COM Terminal Must
be Connected to Electrical System Ground
– At the Transformer's Secondary Only
24 VAC
Transformer
Fuse: 4 A Max .
Fast Acting
MANDATORY: 24V COM Terminal Must
be Connected to Electrical System Ground
– At the Transformer's Secondary Only
ECB-600
24V AC /DC
24V COM
ECx -4XX
24V AC /DC
24V COM
ECx -4XX
24V AC /DC
24V COM
Network Guide