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...CONNECTIONS
4.5 Reference Air Supply – Fig. 4.6
Z
D
T
A
n
a
y l
z
r e
C
o
d
e
N
u
m
b
r e
Z
D
T
0 /
1
0X
N
o
e r
e f
e r
n
c
e
a
r i
s
u
p
p
. y l
Z
D
T
0 /
1
1X
R
e
e f
e r
n
c
e
a
r i
s
u
p
p
y l
i w
h t
e
x
e t
n r
a
c l
o
n
n
e
t c
o i
. n
Z
D
T
0 /
1
2X
R
e
e f
e r
n
c
e
a
r i
s
u
p
p
y l
i w
h t
n i
e t
n r
a
c l
o
n
n
e
t c
o i
. n
Information. The location of the Analyzer code number is shown in Fig. 2.1. Refer to the probe's operating instructions, IM/
ZFG2 for information on locating the code number of the probe.
flow
3
Make electrical
connections –
see Section 4.2
and
Note
2
Secure the
incoming probe
conduit
1
Open the instrument
terminal chamber and
remove the terminal
shroud – see Fig 4.1
Note. Single-conduit cable entry shown – probe
power and signal cables are routed with the
reference air tube. In twin-conduit versions, power
cables are routed via a second conduit and a
separate cable entry – see Fig. 4.2.
10
R
e
e f
e r
n
c
e
A
R
e
e f
e r
n
c
e
a
r i
o t
h t
e
p
o r
b
e
f
o r
m
a
s
e
p
a
a r
e t
s
o
u
c r
e
–
R
f e
r e
o t
h t
e
n i
t s
l l a
t a
o i
n
a
n
n i
t s
u r
t c
o i
n
s
s
u
p
p
e i l
d
i w
h t
F
r o
u
s
e
i w
h t
p
o r
b
e
s
t i f
e t
d
e r
e f
e r
n
c
e
a
r i
n i
p
t u
–
s
e
e
F
F
r o
u
s
e
i w
h t
p
o r
b
e
s
t i f
e t
d
e r
e f
e r
n
c
e
n i
p
t u
–
s
e
e
F
g i
Table 4.3 Analyzer and Probe Compatibility
4
Connect the tubing to the
internal reference air output
T/C
+
-
flow
5
Connect the reference
air inlet tubing
A – Internal
Fig. 4.6 Reference Air Connections
r i
S
u
p
p
y l
m
u
t s
b
e
p
o r
v
d i
e
d
i E
h t
e r
e f
d
o
p
r e
t a
n i
g
e
x
e t
h t
e
p
o r
b
. e
i w
h t
a
n
e
x
e t
n r
l a
Z
F
g i
4
6 .
B
i w
h t
a
n
n i
e t
n r
l a
Z
F
4
6 .
A
flow
– see
Caution
Caution.
contaminated air surrounding the instrument is
allowed to reach the probe head. If necessary, to
prevent contaminated air or water being pumped via
the analyzer to the probe head, connect a length of
suitable piping to the reference air inlet gland and
route to an uncontaminated environment.
C
o
m
p
t a
b i
e l
O
x
y
g
e
n
r e
c
o
d
e
s i l
e t
d
b
e
o l
, w
p
o r
v
e r
n
c
e
a
r i
o t
h t
e
p
o r
b
e
s i
s
n r
a
s l
o
u
c r
. e
G
2
X /
X
X
X
X
X
X
2X
G
2
X /
X
X
X
X
X
X
1X
flow
2
1
Connect the probe reference
air supply to the external
reference air output
B – External
Permanent
damage
may
P
o r
b
e
s
d i
n i
g
h t
e
u
p
p
e i l
d
f
o r
m
a
n
Connect the
reference air
inlet tubing
–
see
Caution
occur
if
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