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3. Install the wires into their corresponding terminal
blocks, shown below. Additionally, see Table 1 and
Table 2 (to the right), for pin information regarding
alarm relay outputs and 4-20 mA analog current
loop outlets.
Step 5: Install power .
This step should only be performed by a qualified
electrician.
To install the AC conduit:
1. Pull the AC line cable through
the AC mains wire gland on
the I/O panel of the enclosure
(Figure 3).
2. Strip back the outer insulation
by ~3 1/2 inches.
3. Strip the individual wires and
crimp a ring terminal lug (for
M4 or #8 stud) onto the earth-
lead ground conductor.
Figure 4 - AC power switch terminal block
4. Locate the terminal block on the back of
the rotary AC power switch and connect the AC
main wires to the front (Figure 4).
5. Connect the Line wire (typically brown or black)
to terminal #5 (A) and the Neutral wire (typically
blue or white) to terminal #4 (B) on the front of the
terminal block.
6. Attach and secure the AC mains earth ground
wire and power supply chassis ground wire to the
grounding lug.
7. Attach the power supply chassis ground wire.
8. Secure both wires to the grounding lug with an M4
nut.
9. Replace and secure the electronics cover, then
close and latch the door.
DQS 78000-03 MUL Rev. A
Step 6: Connect the sample inlet and outlet ports.
Disable the the water flow to the instrument until the
Figure 3 - Power
sample inlet system is completely installed and the
cable path
Analyzer is ready to begin analysis.
To configure the sample inlet and outlet ports:
1. Connect the 1/4" Teflon® tubing with the in-line
2. Connect the 3/4" OD waste line tubing to the
3. Place the hose clamp over the waste line and
4. Route the waste tubing to an appropriate waste
5. After establishing water flow to the sample inlet
Step 7: Install the DI water system—Instrument
Start Up Wizard.
Use the Analyzer's touch screen panel to access the
Instrument Start Up Wizard (Maintenance screen >
Hardware tab). This Wizard guides the user with step-
by-step instructions and photos through filling the
DI water reservoir, priming the DI Loop, and rinsing
down the measurement module.
2
Pin Number
1
ALARM_1_NC
2
ALARM_1_COM
3
ALARM_1_NO
4
ALARM_2_NC
Table 1:
5
ALARM_2_COM
Alarm Relay
6
ALARM_2_NO
Outputs (J1)
7
ALARM_3_NC
8
ALARM_3_COM
9
ALARM_3_NO
10
ALARM_4_NC
11
ALARM_4_COM
12
ALARM_4_NO
Table 2:
4-20 mA
Analog Current
Loop Outputs
(J4)
filter to the sample inlet on the iOS or Super iOS
system or the Sample Inlet Block, depending on
the Analyzer's configuration. Tighten 1/4 turn past
finger-tight with a 9/16" open-end wrench. Do not
over-tighten the nut.
waste outlet on the sample inlet system or the
Sample Inlet Block by sliding the tubing over the
barb fitting.
tighten.
outlet below the level of the waste outlet barb.
system, adjust flow out of the waste line to 50-300
mL/min.
Signal
Function
Relay 1 Normally Closed contact
Relay 1 Common contact
Relay 1 Normally Open contact
Relay 2 Normally Closed contact
Relay 2 Normally Common contact
Relay 2 Normally Open contact
Relay 3 Normally Closed contact
Relay 3 Normally Common contact
Relay 3 Normally Open contact
Relay 4 Normally Closed contact
Relay 4 Normally Common contact
Relay 4 Normally Open contact
Pin Number
Output
1
#1 4-20 mA (Return) -
2
#1 4-20 mA (Out) +
3
#2 4-20 mA (Return) -
4
#2 4-20 mA (Out) +
5
#3 4-20 mA (Return) -
6
#3 4-20 mA (Out) +
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