ABB AP101 Manual - Página 10

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ABB AP101 Manual
...2 INSTALLATION
2.4.3 Dip Systems (pH and Redox) – Fig. 2.10
a. Pull out the 'O' ring sealed end cap
tube (If water wash has been ordered, there will be a
water wash tube connected to the connector insert
in the cap.
b. Pull out the 'O' ring sealed adaptor
end of the dip tube, and using PTFE tape on the
threads of the cartridge, screw the cartridge
4
into the adaptor
.
Caution. It is essential that PTFE tape is used around
the thread on the cartridge to ensure a watertight seal.
c. Fit the cable connector plug(s)
colour electrode socket(s) – blue to blue, red to red,
as appropriate – see Fig. 2.7A for pH and Fig. 2.7B
for Redox. See Fig. 2.7 inset for tightening and releasing
the connector plug(s).
d. Loosen the gland nut
feeding the water wash tube (if fitted) down the dip
tube, thread the other end of the cable through the
dip tube and end cap cable gland
8
6
from the dip
4
from the other
1
fully
3
to the matching
, and after
!
6
in the end cap
5
.
3
10
1
4
Fig. 2.10 Dip System Assembly
@
11
5
2
9
Note. The Water Wash delivery tube 9 is
supplied fitted to the connector insert @. The
8
tube also has hose clamps at both ends.
e. Push the end cap
tighten the gland nut
to the 4600 Series pH/redox transmitter (see
13
Fig. 2.8 and Table 2.1).
f. If a water wash system is fitted:
i) snap the quick-fit connector protruding from
the bottom of the dip tube, onto the cartridge
connector
pipe
connector at the top of the dip tube.
ii) Visually check the water cleaning action by
switching on the water wash option on the
4600 transmitter. There should be a vigorous
jet of water sprayed across or onto the glass
or platinum.
iii) Also ensure that no leaks occur at the tube
connectors as they could cause damage to
the system.
g. Push the adaptor
0
tube
h. Calibrate (pH only) – see Section 3.
Electrode Cable to
Transmitter
Water Wash Feed Pipe
from Solenoid valve
7
6
12
6
into the dip tube firmly,
, and connect the cable
!
£
. Also, snap on the water feed
7
from the solenoid valve onto the
4
into the end of the dip
firmly to ensure a good seal.