20
123456 78
9
10
11
12
13
46
47
48
49
38
39
40
41
42
43
44
45
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Kathar
ometers
Unit 1
Unit 2
Unit 1
Unit 2
Unit 1
Unit 2
TB14/13
TB16/15
TB18/17
TB12
14
13
From
PSU1
From
PSU2
Blue Terminals
Alarm and
Retransmission 1
TB11
Not applicable
to AK104
Alarm and
Retransmission 2
TB10
N/O
Common
N/C
N/O
Common
N/C
N/O
Common
N/C
Common
Range 3
Range 2
Range 1
Cubicle T
e
rminal Block
s
+
–
+
–
H
2
in Air
Alarm 1
H
2
in Air
Alarm 1
H
2
in Air
Alarm 2
Retransmission
Retransmission
Range Selector
Switch Position
Indicator
2
3
91
0
14
Kathar
ometer
Panel 1
2
3
91
0
14
Kathar
ometer
Panel 2
Hazar
dou
s
Ar
ea
Optional
Low Flow
Alarms
Ex ia llC T4
Optional
Low Flow
Alarm Relays
2
3
1
42
3
1
4
Only
AK104
OR
Air in
Purge Gas
Alarm 1
if AK101 **
N/O
Common
N/C
H
2
in Air
Alarm 2
Common
N/C
N/O
Common
N/C
N/O
Relay 1
Relay 2
*
Terminal
Box
Screen
Black
Red
White
Screen
Black
Red
White
Kathar
ometer
H
2
& Air in CO
2
H
2
in Air
Kathar
ometer
H
2
& Air in CO
2
H
2
in Air
+
+
––
+
+
––
*
Note. I.S. Cir
cuit
s
It is imperative that wiring ins
tructions ar
e followed implicitly
.
Earth continuity mus
t be checked for corr
ect bonding.
Warning.
The case-mounted Instrinsically Safe Earth
stud (see Fig. 4.5)
mu
s
t
be connected to
the plant High Integrity Earth. The max
imum
resistance from this earth stud to the plant
High Integrity Earth mus
t be <0.1
Ω
. This
earth is essential to the correct operation of
the zener safety barrier.
Warning.
The case-mounted System Safety Earth s
tud (see Fig. 4.5)
mu
s
t
be connected to an earth point ens
uring that the
maximum resistance is <1
Ω
. This is to ensure optimum
safety for both the system and personnel/operators.
Note.
Kathar
ometer Panel 1 is
connected inter
nally to the Upper Dis
play of the 6553 Dis
play/Contr
o
l Unit.
Kathar
ometer Panel 2 is
connected inter
nally to the Lower Dis
play of the 6553 Dis
play/Contr
o
l Unit.
*
Note
. Not available if single
M
odel AK104 is fitted to the cubicle.
** [There is no second alarm
on TB11 of the AK101}.
*
*
*
L N
L N
Unit Nº 2
Unit Nº 1
TB8
TB7
M
ains T/B
*
Isolator Unit
(optional)
1
L
L
N
NL
N
E
LN
E
2
3
4
...5
ELECTRICAL INSTALLATION
Fig. 5.7 Wiring Diagram for Cubicle-Mounted Display Monitor
Summary of Contents for 006539-960J
Page 49: ...47 14 SPECIFICATION d d ...
Page 50: ...48 14 SPECIFICATION DS AK100 EN Rev N d d d d ...
Page 51: ...Notes Sales Service ...