28
INSTALLATION AND OPERATION MANUAL
25-16327-B November 2020 www.eaton.com
Section 2: Commissioning
Panel fault finding
= 28V (Open Circuit, No Input)
= -0.6V Mon +28V Fire (Depends on Programming)
= -0.6V Mon +28V Fire (Depends on Programming)
See Scope
Plots
for
Monitoring
Conditions
= O/C Normal S/C Fire
= O/C Normal S/C Fire
= S/C Normal O/C Fire
= S/C Normal O/C Fire
= 12V No Fault 0V (short CCT) Fault
= -O.6V-No Fire 24V Fire
REPEAT FOR LOOP 2
v
v
v
v
v
v
= 22V (Device Fitted) 0V (Unused)
A
A
+
-
C
S+
S-
NO
E
F+
F-
E
B
B
-
+
NC
NC
E
X
NETWORK
NETWORK
+24V OU
T
FAULT
RELAY
LOOP
1
S+
S-
E
F+
F-
E
LOOP
2
AUX RELAY 1
AUX RELAY
2
MAIN
S
X
Y
Y
E
E
-
-C
N
NO
L
+
+
SOUNDER
CIRCUIT
1
SOUNDER
CIRCUIT
2
