ABB AP10X/1, Manual, Page: 10 / 16

8
2.4.3 Dip Systems (pH and Redox) – Fig. 2.10
…2 INSTALLATION
Fig. 2.10 Dip System Assembly
e. Push the end cap
6
into the dip tube firmly,
tighten the gland nut
!
,
and connect the cable
to the 4600 Series pH/redox transmitter (see
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
£
. Also, snap on the water feed
pipe
7
from the solenoid valve onto the
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
4
into the end of the dip
tube
0
firmly to ensure a good seal.
h. Calibrate (pH only) – see Section 3.
a. Pull out the 'O' ring sealed end cap
6
from the dip
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
4
from the other
end of the dip tube, and using PTFE tape on the
threads of the cartridge, screw the cartridge
1
fully
into the adaptor
4
.
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)
3
to the matching
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
!
in the end cap
6
,
and after
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
5
.
Electrode Cable to
Transmitter
Water Wash Feed Pipe
from Solenoid valve
7
12 6
11
5
2
9
8
13
1
4
3
10
Note. The Water Wash delivery tube
9
is
supplied fitted to the connector insert
@
. The
tube also has hose clamps at both ends.