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MODEL 122 Control Panel
Single phase, duplex alternating pump control with override.
The Model 122 control panel is designed to alternately control two 120, 208, or 240 VAC single phase pumps in water and sewage
installations. The alternating action equalizes pump wear. In addition to the alternating pump control, this system provides override
control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. Common
applications include pump chambers, sump pump basins, irrigation systems and lift stations.

PANEL COMPONENTS
1.	Enclosure measures 10 X 10 X 6 inches (25.4 X 25.4 X 15.24 cm).
Choice of NEMA 1 (steel for indoor use), or NEMA 4X (ultraviolet stabilized
3
thermoplastic with removable mounting feet for outdoor or indoor use). 		
Note: Options selected may increase enclosure size and change 	 component 1
layout.
2.	 Magnetic Motor Contactors control pumps by switching electrical lines.
3. 	 HOA Switches for manual pump control (mounted on circuit board).
4.	 Control Circuit Board provides pump control and alternation.
5.	 Green pump Run Indicator Lights (mounted on circuit board).

14
10

5
4

panel cover

9

8

6.	 Circuit Breakers (optional) provide pump disconnect and branch circuit
protection.
7.	 Ground Lugs

11
2

6

8.	 Float Status Indicator Lights (mounted on circuit board).
9.	 Control and Alarm Power Indicator Lights (mounted on circuit board)
10.	 Auxiliary Alarm Contact, form C (mounted on circuit board).
NOTE: Schematic is located inside the panel on enclosure cover.

STANDARD ALARM PACKAGE
11.	 Red Alarm Beacon provides 360° visual check of alarm condition.
Note: NEMA 1 style utilizes a door mounted indicator in lieu of a beacon.
12.	 Alarm Horn provides audio warning of alarm condition (83 to 85 decibel
rating).
Note: NEMA 1 style utilizes an internally mounted buzzer in lieu of horn.	

13
12

7

7

Model Shown 1221W114X6A

13.	 Exterior Alarm Test/Normal/Silence Switch allows horn and light to be tested
and horn to be silenced in an alarm condition. Alarm automatically resets once
alarm condition is cleared.
14.	 Horn Silence Relay (mounted on circuit board).
NOTE: other options available.

FEATURES
n	 Entire control system (panel and switches) is UL Listed to meet and/or
exceed industry safety standards
n	 Dual safety certification for the United States and Canada
n	 Standard package includes three 20' SJE SignalMaster® control
switches
n	 Complete with step-by-step installation instructions
n	 Five-year limited warranty

SEE BACKSIDE FOR COMPLETE LISTING OF AVAILABLE OPTIONS.
SEE PRICE BOOK FOR LIST PRICE.

PO Box 1708, Detroit Lakes, MN 56502
1-888-DIAL-SJE • 1-218-847-1317
1-218-847-4617 Fax
email: customer.service@sjerhombus.com

www.sjerhombus.com B.41

122

6A

MODEL 122
ALARM PACKAGE

0 	 = select options or no alarm package
1 	 = alarm package (includes test/normal/silence switch, fuse, red light, & horn)

ENCLOSURE RATING

I 	 = Indoor, NEMA 1 (metal)
W	 = Weatherproof, NEMA 4X (engineered thermoplastic)

STARTING DEVICE

1	 = magnetic motor contactor 120/208/240V
9	 = magnetic motor contactor 120V only

PUMP FULL LOAD AMPS
0	
1	
2	
3	

= 0-7 FLA
= 7-15 FLA
= 15-20 FLA
= 20-30 FLA

PUMP DISCONNECTS

0	 = no pump disconnect
4	 = circuit breaker 	 120V (select STARTING DEVICE option 9 above)
		
120/208/240V (select STARTING DEVICE option 1 above)

FLOAT SWITCH APPLICATION

H or L = pump down or pump up (select 17 option)
X = no floats

OPTIONS Listed below

H

ENCLOSURE UPSIZE
If you selected one or more of the H options, or two HH options

CODE



DESCRIPTION	

CODE

	
1A	 Red beacon only / no audio
		
(must select "0" for alarm package)
	
1C	 Horn only / no visual
		
(must select "0" for alarm package)
HH	3A	 Alarm flasher
	 H 3B	 Manual alarm reset
	 H 4A	 Redundant off
		
(select Option 4D if floats included)
	
4B	 Red redundant off indicator & alarm
		
(must select Option 4A also)
	
4D	 Redundant off float
		
(must select 4A option) (select 17 option)
	 H 5A	 Thermal cutout/heat sensor auto reset
		 (for pumps w/thermal switch leads)
	 H 5E	 Seal failure circuit & red indicator (2 wire)
	
6A	 Auxiliary alarm contact, form C
		
(included as standard)
H	 8A	 Elapsed time meter
H	 8C	 Event (cycle) counter
H	 9_A	 Pump overload
		 specify amperage after number 9 followed by letter "A". ... 	
		 Example: 912A = 12 amp pump.
H		 0-25 FLA
H		 25-30 FLA
	 10E	 Lockable latch - NEMA 4X
	 10E	 Lockable latch - NEMA 1
H 10F		 Lightning arrestor (select pump circuit breaker)

DESCRIPTION

HH	 10K	 Anti-condensation heater
	
11C	 NEMA 1 alarm panel
	
11D	 NEMA 4X alarm panel
H	14B	Main disconnect (rotary style, mounted through door, non-fused,
		
padlockable in the OFF-position, door interlock in the ON-position)
		
(must select circuit breaker)
H		 0-20 FLA (total of both pumps)
H		 20-60 FLA (total of both pumps)
	
16A	 10' cord in lieu of 20' (per float)
	
16B	 15' cord in lieu of 20' (per float)
	
16C	 30' cord in lieu of 20' (per float)
	
16D	 40' cord in lieu of 20' (per float)
	
17A	 SJE SignalMaster® / pipe clamp l (per float)
	
17B	 SJE SignalMaster® / externally weighted l (per float)
	
17C	 Sensor Float® / internally weighted s (per float)
	
17D	 Sensor Float® / externally weighted s (per float)
	
17E	 Sensor Float® Mini / pipe clamp s (per float)
	
17F	 Sensor Float® Mini / externally weighted s (per float)
	
17J	 Sensor Float® / pipe clamp s (per float)
	
19B	 Lead lag selector switch
	
19F	 Fourth float to separate alarm function from lag
	
19T	 TOA (Test/Off/Automatic) switches and pump run lights
		 through door mounted
	
19U	 HOA (Hand/Off/Automatic) switches and pump run lights
		 through door mounted
	
19X	 Door mounted pump run indicator
l Mechanically-activated
 Mercury-activated

If additional features are required, call the factory for a quote on an Engineered Custom control panel.

SAMPLE

MODEL

122

1

W

9

0

4

H

6A 8AC 17A

Alarm Package
Enclosure Rating
Starting Device
Pump Full Load Amps
Pump Disconnect
Float Switch Application
Options: Auxiliary alarm contact, form C,
Elapsed time meter, event (cycle) counter,
SJE SignalMaster® / pipe clamp

B.42

9500066B

© SJE-Rhombus 12/16



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