Hanna-instruments PCA 310 Uživatelský manuál Strana 23

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23
3) Open front panel.
4) Remove the cover screws (Allen head).
5) Do not remove peristaltic pump or motor.
6) Unplug all alarms and recorder jacks.
Feed the power cord through the watertight grommet and
tighten the grommet nut. See the picture below for proper wire
connections.
Recorder Output and Relay Access
Hard wiring for alarms and relays recorder outputs and serial
communication can be accomplished through four watertight
connectors on the left side of the enclosure, by passing wires through
the rubber grommet and tightening the nut as described earlier.
Refer to the drawings for proper wire connections.
CS R2
CS R2
PPCA320P-3
PPCA320P-3
+
5
V
+
5
V
2
1
2
3
1
M
O
R
3
P
M
O
R
3
P
1
3
2
M
O
R
3
P
M
O
R
3
P
1
2
RELICAM
RELICAMRELICAM
RELICAM
R
ED
R
ED
P
IN
K
P
IN
K
G
R
EY
G
R
EY
B
LU
E
B
LU
E
G
R
E
E
N
G
R
E
E
N
B
RO
W
N
B
RO
W
N
YE
L
LO
W
YE
L
LO
W
RELICAM
Electrovalve
Phase
Earth
Main Power
Cord
Watertight
Grommet and
Nut Assembly
Neutral
Terminal
block
Ground screw
Transformer
Line Filter
Line Filter
Main Power PCB
Main Power PCB
24 VAC
24
VAC
1
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