Endura AZ40 | Sensor assembly | Orifice and seals kit |
INS/ANAINST/007-EN Rev. B
5
5.3 Disconnecting the sensor electrical power and
signal cables at the process
Referring to Fig. 5.3:
1.
Use a medium flat-bladed screwdriver to unscrew 4
(captive) cover screws
A
and remove cover
B
from
sensor assembly
C
.
2.
Disconnect mains cable
D
from terminal block
E
3.
Disconnect signal cable
F
from terminal block
G
.
4.
Disconnect thermocouple cables
H
from terminal block
I
.
5.
If optional blowback is fitted, disconnect cable
J
from
terminal block
K
.
5.4 Removing the sensor assembly from the process
Referring to Fig. 5.4:
1.
Use a 10 in. adjustable spanner (wrench) to remove 4 nuts,
washers and lockwashers
A
securing sensor assembly
B
to mounting flange
C
. Set items aside for re-use.
2.
Carefully remove the sensor assembly and the attached
probe (including filter assembly) from the process.
3.
Temporarily cover process opening until the sensor
assembly is ready to be re-installed.
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing this procedure.
DANGER – Serious damage to health / risk to life
The transmitter must be isolated from mains power
supplies before performing this procedure.
Fig. 5.3 Disconnecting sensor cables
Li
n
e
i
n
N
e
u
tr
a
l in
Ea
rt
h
D–
(
g
re
e
n
)
S
C
N
(
s
cr
ee
n
)
D+
(
w
h
it
e
)
V+
(
re
d
)
CO
M (
b
la
c
k
)
Bl
o
w
b
a
c
k
Bl
o
w
b
a
c
k
In
le
t T
/C
+
In
le
t T
/C
–
Sc
re
e
n
Ou
tl
e
t T
/C
+
Ou
tl
e
t T
/C
–
Ea
rt
h
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing this procedure.
Fig. 5.4 Removing the sensor assembly from the process
