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Wiring
Chemical burn hazard.
This unit pumps one dose of chemicals when power
is first turned on to the pump. Connect all hoses and
start the main circulation pump before connecting power
to the chemical feed pump.
If this unit continues to operate when the circulator
pump is off, it will build up chemicals at the chemi-
cal feed injection point in the circulation system. If the
main circulation system is controlled by a timer, wire the
chemical feed pump through the same timer so that it
cannot operate when the circulator pump is off.
Make sure to have the SR-4000/SR-6000 power switch(s) in
the "OFF" position. The SR-4000/SR-6000 are factory wired
for 115VAC and are equipped with a standard 115VAC
power cord. If a 115VAC outlet is available, plug the cord
into the outlet. In the event 208VAC or 230VAC is required,
the system can be wired accordingly. See Figure 3.
Hazardous voltage (line voltage) in the con-
trol box when feeder is plugged in. Always unplug the
power cord(s) to the chemical feeder before opening the
enclosure for any reason except to prime the pump.
When priming the pump, do not put your finger or any
tools inside the control box. Do not attempt to work on,
service, or replace internal box components while the sys-
tem is plugged in.
Refer to local electrical codes when supply is other then a
standard 115VAC outlet. A qualified electrician may be re-
quired for this conversion.
PCA CONTROL LAYOUT
The controls described in this manual refer to the compo-
nents on the Printed Circuit Assembly (PCA). The PCA is
mounted on the inside of the door of the SR-4000/
SR-6000. To determine the location of these controls on
the PCA, please refer to Figure 4.
Ounces Per Day
No. of
Doses/Day
1
96
9.7
19.5
48
4.9
9.7
24
2.4
4.9
12
1.2
2.4
8
0.8
1.6
6
0.6
1.2
4
0.4
0.8
3
0.3
0.6
2
0.2
0.4
1
0.1
0.2
2
3
4
5
29.2
38.9
48.6
97.3 145.9 194.6 243.2 291.9 340.5 389.2 437.8 486.5 535.1 583.8
14.6
19.5
24.3
48.6
7.3
9.7
12.2
24.3
3.6
4.9
6.1
12.2
2.4
3.2
4.1
1.8
2.4
3.0
1.2
1.6
2.0
0.9
1.2
1.5
0.6
0.8
1.0
0.3
0.4
0.5
Pump Speed
Adjustment
Prime Button
Figure 4: Control Board (PCA) Layout.
Set-up
When a known daily or weekly volume of chemical is re-
quired, calculations can determine the proper dose
amount and the interval between subsequent doses to
maintain a desired chemical level. The SR-4000/SR-6000
are factory set at 60 RPM and are equipped with 3cc per
revolution pump tubes. This set-up will deliver approxi-
mately 6 fluid ounces per minute per pump. Calibration
may be required to get a more exact rate. In most cases
there are several combinations of dosage times and inter-
vals that achieve the same total daily chemical dose.
EXAMPLE: 24 doses/day at 1 oz./dose =24 oz./day just as
12 doses/day at 2oz/dose = 24 oz./day
3cc/Rev Pump Tube @ 60 RPM
Duration of Dose in Seconds
10
15
20
25
73.0
97.3 121.6 145.9 170.3 194.6 218.9 243.2 267.6 291.9
36.5
48.6 60.8
18.2
24.3 30.4
8.1
12.2
16.2 20.3
6.1
9.1
12.2 15.2
4.1
6.1
8.1
10.1
3.0
4.6
6.1
7.6
2.0
3.0
4.1
5.1
1.0
1.5
2.0
2.5
4
SW2: Minutes/Seconds Selection
30
35
40
45
73.0
85.1
97.3 109.5 121.6 133.8 145.9
36.5
42.6
48.6
54.7
24.3
28.4
32.4
36.5
18.2
21.3
24.3
27.4
12.2
14.2
16.2
18.2
9.1
10.6
12.2
13.7
6.1
7.1
8.1
9.1
3.0
3.5
4.1
4.6
SW1: Dose
Duration Adjustment
1
2
3
4 5
6
7 8
O
N
1
2
3
4
1
2
O
O
N
N
SW3: Dose
Interval Adjustment
50
55
60
60.8
66.9
73.0
40.5
44.6
48.6
30.4
33.4
36.5
20.3
22.3
24.3
15.2
16.7
18.2
10.1
11.1
12.2
5.1
5.6
6.1
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