
Siemens Industry, Inc.
Building Technologies Division
P/N 315-033090-17
3
CLASS A OPEN–ZONE 1
(Yellow)
Normally Off. When illuminated, indi-
cates a Zone 1 wire is open if the loop
was set to Class A.
CLASS A RETURN–ZONE 1 (Yellow)
Normally Off. When illuminated, indi-
cates a Zone 1 return wire is reversed if
the loop was set to Class A.
SHORT–ZONE 1
(Yellow)
Normally Off. When illuminated, indi-
cates a Zone 1 wire short.
CLASS A OPEN–ZONE 2
(Yellow)
Normally Off. When illuminated, indi-
cates a Zone 2 wire is open if the loop
was set to Class A.
CLASS A RETURN–ZONE 2 (Yellow)
Normally Off. When illuminated, indi-
cates a Zone 2 return wire is reversed if
the loop was set to Class A.
SHORT–ZONE 2
(Yellow)
Normally Off. When illuminated, indi-
cates a Zone 2 wire short.
Three rotary dial switches at the bottom of the front panel are used to set the HNET
network address of the DLC. All field devices connected to the DLC are addressed
and tested using the Device Programming Unit (DPU). Refer to the DPU Manual,
P/N 315-033260 for further information.