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10
2 Installation
2.1 Identification of Parts
The following diagram shows the major parts of the panel.
LIVE
EARTH
NEUTRAL
U
S
B
S
U
P
P
L
Y
P
S
U
C
o
m
m
s
P
R
O
G
R
U
N
u
P
M
O
D
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R
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B
O
O
T
R
e
l
a
y
-
1
F
I
R
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R
e
l
a
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R
e
l
a
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-
2
F
A
U
L
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R
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4
8
5
A
U
X
S
u
p
p
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Z
O
N
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-
1
-
Z
O
N
E
-
2
-
Z
O
N
E
-
3
-
S
N
D
R
-
1
-
S
N
D
R
-
2
-
S
N
D
R
-
3
-
M
O
D
E
S
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l
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c
t
M
a
n
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B
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M
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A
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-
1
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2
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p
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-
3
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p
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-
4
M
A
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A
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+
M
A
N
U
A
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2
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3
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/
R
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!
S
O
U
N
D
A
L
A
R
M
S
(
H
O
L
D
2
s
)
B
S
E
N
5
4
-
2
:
1
9
9
8
B
S
E
N
5
4
-
4
:
1
9
9
8
B
S
E
N
1
2
0
9
4
-
1
:
2
0
0
3
C
L
A
S
S
-
A
E
X
T
I
N
G
U
I
S
H
A
N
T
R
E
L
E
A
S
E
P
U
L
L
D
O
W
N
A
N
D
P
R
E
S
S
B
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T
T
O
N
DOOR
BACK BOX
CHASSIS
ASSEMBLY
AC INPUT
PSU MODULE
MANUAL RELEASE
COVER
RELAY MODULE
(OPTIONAL)
SLIDE-IN LABEL
The panel comprises a back box, door, chassis assembly and PSE module.
The chassis is mounted onto the back box via two screws and keyhole mounting holes. The screws do not have
to be removed to remove the chassis.
The chassis contains the main printed circuit card with terminal block connections for field wiring. A fascia label
is affixed to the front of the chassis providing the user controls and indications (LCD and LED indicators). A
hinged yellow plastic cover is fitted to the front face and provides access to the manual release button.
The PSE module converts the in-coming AC Supply to 24V DC (nominal) and provides battery charging. The
PSE is connected to the chassis via a DC Cable and a serial communications cable. The PSE design is to BS
EN54-4: 1998 +A2 and provides monitoring for AC failure, battery missing, battery low, charger failure and
battery high internal resistance.
Standoff pillars are provided in the back box to fit a standard Exp-008 8-Way Relay Module. This is connected
to the main printed circuit card via ribbon cable.
Up to two (programmable function) key-switch assemblies (Exp-001 & Exp-002) can be fitted to the chassis
plate below the manual release cover. The cables plug onto the main printed circuit card. Slide-in labels with
pre-printed text are available.
