ABB AP100 Series Manual de instruções - Página 9

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ABB AP100 Series Manual de instruções
Table 2.1 Series 4600 Connection Equivalents
S
y
s
e t
m
C
a
b
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M
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g
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t c
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d
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(
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n
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f o
c
o
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) x
R
e
e f
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n
c
e
b (
a l
c
) k
T
e
m
. p
C
o
m
. p
(
e r
) d
T
e
m
. p
C
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(
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d) For cable detached versions
Fit the cable connector plugs to the matching colour
sockets – blue to blue, red to red, as appropriate. See Fig.
2.8 inset for tightening and releasing the connector plug.
e) Calibrate (pH only) – see Section 3.
f) For water wash versions
Snap on the water feed pipe from the solenoid valve – see
Fig. 2.9, and visually check water cleaning action by
switching on the water wash option on the 4600
transmitter. There should be a vigorous jet of water
sprayed across the glass membrane (pH), or platinum
(redox) .
g) Ensure that all pipeline connections are securely fitted.
Apply PTFE tape to the threads of the 1" NPT cartridges to
effect a water tight seal, and check that the 'O' ring and
sealing area are clean on bayonet cartridge versions.
h) Fit the electrode cartridge to the flow cell (screw or bayonet
action) – see Fig. 1.2. Avoid excessive twisting of the cable
on screw-type cartridges by disconnecting the cable from
the electrode before screwing it into the flow cell.
Fit connector plug on completion.

2.4.2 Submersible Systems (pH and Redox)

a) Connect the tagged end of the cable to the 4600 Series pH
transmitter – see Fig. 2.8 and Table 2.1.
Note. It is strongly recommended that a supporting
chain is attached to the anchor point to remove any strain
on the signal cable.
b) Calibrate (pH only)– see Section 3.
c) Immerse electrode into the solution to be measured.
4
6
3
0
46 5
3
2
1
1
4
9
6
7
5
8
7
6
A – pH Electrode Cable Termionation
Red Measuring Electrode
Blue Temperature Compensator
B – Redox (ORP) Cable Termionation
Red Electrode
To Connect
One full turn
c o u n t e r
1
clockwise to
slacken
Push
down
firmly
2
One full turn
clockwise
to tighten
Fig. 2.8 Cable Termination – Electrode Connections
1
Push on firmly
to connect.
2
To release, press
the metal catch
and the connector
is ejected.
Fig. 2.9 Water Wash System – Quick-fit Connection
2 INSTALLATION...
To Disconnect
Pull
Off
1
2
Tube to
solenoid
valve
Quick-fit
Connector
7