16
123456789
Kathar
ometers
10
11
1
2
1
3
12345678
9
1
0
1
1
1
2
1
3
23
24
25
26
14
15
16
17
18
19
20
21
22
L L L
N N N
E
E E
Mains T/B
6553 Outputs
Upper Display
6553 Outputs
Lower Display
Inter
nal
W
iring
N/O
Common
N/C
N/O
Common
N/C
N/O
Common
N/C
Common
Cubicle T
erminal Blocks
+
–
+
–
Air in CO
2
or
H
2
in CO
2
Alarm
H
2
in Air
Alarm 1
H
2
in Air
Alarm 2
Retransmission
Retransmission
Range Selector
Switch Position
Indicator
Mains
Isolator
Switch
Mains In
Live
Neutral
Earth
1 3
2 4
E
91
0
3
2
14
Kathar
ometer
H
2
in Air
Kathar
ometer
Panel 1
91
0
6
3
14
Kathar
ometer
H
2
& Air in CO
2
Kathar
ometer
Panel 2
Hazar
dous Ar
ea
W
a
rn
ing. I.S. Cir
cuits
It is imperative that wiring instructions ar
e followed implicitly
.
Earth continuity must be checked for corr
ect bonding.
Note.
Kathar
ometer Panel 1 is connected inter
nally to the Upper Display of the 6553 Gas Monitor
.
Kathar
ometer Panel 2 is connected inter
nally to the Lower Display of the 6553 Gas Monitor
.
2
…5
ELECTRICAL INSTALLATION
Fig. 5.4 Wiring Diagram for Cubicle-Mounted Monitor (Hydr
ogen Purity and Pur
ge Gas)
Summary of Contents for 6553 Series
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