Aztec 600 aluminium, ammonia, color, iron, manganese, phosphate
Single- and multi-stream colorimetric analyzers
4 Installation
16
IM/AZT6CR–EN Rev. R
4.6.1 Access to Connections
Referring to Fig. 4.5:
1. Turn the two electronics section door retaining screws
A
1
/
4
turn counter-clockwise and open the door.
2. Using a cross-head screwdriver, remove the four screws
B
and remove the transparent cover plate
C
.
3. For each cable entry, slide retaining clip
D
off blanking
plug
E
and remove the blanking plug.
4. Fit cable gland
F
and secure using nut
G
.
5. Remove gland cover
H
and route cable
I
through the
gland cover.
6. Route the cable through cable gland
F
and through the
enclosure case.
7. Remove each terminal block connection plug
J
and,
using a small flat-bladed screwdriver, make connections
to each plug. Ensure wires are connected to the correct
terminals – see
8. Reconnect the terminal block plugs to the appropriate
sockets on the application board.
9. Tighten gland nut
H
for each connection made.
10.
If required, connect the Ethernet cable –
11. When all the connections are made, replace the
transparent cover plate
C
and secure using the four
screws
B
. Close the door to the electronics section and
secure by turning the two door retaining screws
A
1
/
4
turn clockwise.
.
Note.
Cable entry holes are located on both sides of the enclosure.
Application board connection labels for the terminal blocks are identified in Fig. 4.7 on page 18.
Fig. 4.5 Accessing and Making Electrical Connections
A
B
C
D
E
F
G
H
I
J
Note.
Cable glands are supplied with single- and
twin-holed bushes. Use the single-holed bush for the
mains power cable.