Page 1
APG
Rev. 5.08
NO
NC
C
Relay
ALARM
LED
SELECT
SW.
a
b
Relay
Driver
ComparatorAmp.
POWER
LED
E Com. E0 E1 E2
NO NC
ba
C
Automation Products Group, Inc.
®
RCU-7000
Power Relay Unit for Pump Control
■
Low cost relay for switching
of larger loads and alternating
pumps
■
Programmable alarm status
■
Standard relay outputs
■
120 VAC or 240 VAC model
available
RCU-7000 Power Relay Unit for Pump Control
e RCU-7000 is a control relay
for switching higher currents and
voltages than for which a reed
switch level device might be rated.
e RCU-7000 is designed so that
multiple units may be used in
combination to provide a variety of
control functions, including multiple
alarms and alternating pumps.
■
Specications
PERFORMANCE
Output SPDT Rating: 240 VAC, 5A max.,
30 VDC, 5 A resistive
Source to Sensor: 8 VAC, 5 mA max.
Operating Resistance: 4 KΩ or less
Release Resistance: 15 KΩ or less
Indication: Green LED for power status;
Red LED for relay status
ELECTRICAL
Supply Voltage: 90 to 132 VAC; 180 to
264 VAC, 50/60 Hz
Power Consumption: 1.5 VA
PHYSICAL
Dimensions: 2 x 3.125 x 4 in. (50 x 84 x 109
mm)
Materials: ABS
Weight: 0.61 lbs. (280 g)
ENVIRONMENTAL
Operational Temperature: 14 to 122°F
(-10 to 50°C)
Specifications are subject to change without
notice.
■
■
Automation Products Group, Inc.
1025 West 1700 North Tel. 1/888/525-7300
Logan, UT 84321 USA Fax 1/435/753-7490
DIN rail socket is available
Use with all single point level
sensors when switching loads or
control functions are required
■
Wiring
1
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Page 2
APG
Automation Products Group, Inc.
8 11 10 9
4 5 6 7
E0Com. E1 E2
1
2
3
NO
C
NC
0
RCU-7000 (No. 2)
To pumps or valves
E
8 11 10 9
4 5 6 7
E0Com. E1 E2
1
2
3
NO
C
NC
RCU-7000 (No. 1)
L. ON side
To alarm lamp
8 11 10 9
4 5 6 7
E0Com. E1 E2
1
2
3
NO
C
NC
RCU-7000 (No. 3)
H. ON side
To alarm lamp
1 2 3 4
High Alarm
Pump ON/OFF
Low Alarm
90-132 VAC
180-264 VAC
E
E0Com. E1 E2
8 11 10 9
4 5 6 7
1
2
3
NO
C
NC
0 2 1
Stop (Start)
Start (Stop)
RCU-7000
To pump or valves
Power Supply
(90-132/180-264 V AC)
SELECT. SW. H. ON side: Empty control
SELECT. SW. L. ON side: Fill control
1
2
3
4 5 6 7
8 9
10
11
NO
C
NC
To Alarm Lamp
1
2
3
4 5 6 7
8 9
10
11
NO
C
NC
To Pumps or Valves
1
2
3
4 5 6 7
8 9
10
11
NO
C
NC
To Alarm Lamp
Com. E0E1E
2
4
2
3
High alarm
Pump ON/OFF
Low alarm
1
1
2
3
4
RCU-7000
(No.1)
RCU-7000
(No.2)
RCU-7000
(No.1)
Com. E
0E1E2
Com. E0E1E
2
180~264V
90~132V
®
RCU-7000 Power Relay Unit for Pump Control
■
Single Level Alarm Wiring (ELS)
Power Supply
(90-132/180-264 V AC)
E
4 5 6 7
RCU-7000
NO
1
C
2
3
NC
8 11 10 9
E0Com. E1 E2
0 1
SELECT. SW. H. ON side: High alarm
SELECT. SW. L. ON side: Low alarm
To alarm lamp
High Alarm
Low Alarm
■
Control Wiring for High and Low Level Alarm (FLR)
■
Dual Level Empty/Fill Control
Wiring (ELS)
Automation Products Group, Inc.
1025 West 1700 North Tel. 1/888/525-7300
Logan, UT 84321 USA Fax 1/435/753-7490
■
Control Wiring for High and Low Level Alarm (ELS)
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Page 3
APG
Automation Products Group, Inc.
■
Control Wiring for Dual Pumps Emptying with HH Alarm (ELS)
®
RCU-7000 Power Relay Unit for Pump Control
4 75 6
RCU-7000
(No. 1)
8 911 10
■
RCU-7000 Schematic (typical)
NO
C
NC
Both
Pumps
OFF
4 75 6
RCU-7000
(No. 2)
8 911 10
NO
Pump #1
C
ON
NC
0 1 2 3 4
4 75 6
8 911 10
RCU-7000
(No. 3)
NO
Pump #2
C
ON
NC
High Alarm
Pump #2 ON
Pump #1 ON
Both Pumps OFF
4 75 6
RCU-7000
(No. 4)
8 911 10
NO
C
NC
HH
Alarm
Automation Products Group, Inc.
1025 West 1700 North Tel. 1/888/525-7300
Logan, UT 84321 USA Fax 1/435/753-7490
Supply
Supply
RCU-7000
Amp
Load (ELS, FG, FL, FT, TLS, etc.)
Compar-
ator
Relay
Driver
Rv
3
NO
C
NC
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Page 4
APG
Automation Products Group, Inc.
84
3.31
80
3.15863.39
50
1.97
100
3.94
30
1.18
130
5.12
109
4.29
50
1.97
RS-11 Base
40
1.57
0.2
0.008
+
+
-
2 Mounting
Holes
Ø0.177
4.5
11 Terminal
Holes
Ø0.138
3.5
■
Dimensions — in./mm
®
RCU-7000 Power Relay Unit for Pump Control
■
RCU-
Note: Use 7100 Series relay for any medium with resistance between
electrodes exceeding 3 kΩ as measured with an ohmmeter. If resistance
exceeds 50 kΩ, select a different control technique.
Automation Products Group, Inc.
1025 West 1700 North Tel. 1/888/525-7300
Logan, UT 84321 USA Fax 1/435/753-7490
Ordering Information
Configuration
7000 With 8 VAC power supply (< 3 kΩ)
7100 With 8 VAC power supply (< 50 kΩ)
4
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