background image

SINCE 1973

www.nassarelectronics.com

The best solutions for 

automation and protection

User Manual

LIQUID LEVEL
CONTROL RELAY
MODEL EN-3P

Summary of Contents for EN-3P

Page 1: ...SINCE 1973 www nassarelectronics com The best solutions for automation and protection User Manual LIQUID LEVEL CONTROL RELAY MODEL EN 3P ...

Page 2: ...OWN DRAIN APPLICATION The relay energizes when the liquid level comes in contact with the high probe PH and remains energized until the liquid level falls below the lower probe PL To use this application place a wire betweenterminalsF DandPC F D PC PUMPUP FILL APPLICATION The relay energizes when the liquid level falls below the low probe PL and remains energized until the liquidlevelcomesincontac...

Page 3: ... M Contactor Overload Relay OL SW Switch CB Circuit Breaker 1 Use cable size 12 to 18 AWG to wire the probes 2 Use 3 different cable colors to prevent a mixup with the probes 3 The probe PC should not be more than 8 inches below from probe PL 4 The probe PH should not be more than 48 feet higher than probe PL Probe installation PC PL PH PROBE CABLES PROBE CABLE BRONCE PROBE TIGHTENING SCREW HIGH P...

Page 4: ...ted correctly when following this steps but continues experiencing problems with the operation it indicates that the problem is not the EN 3P The problem comes from the installation or an issue with the wiring common issues with the installation or wiring include A A bad connection with the cables B A bad connection with the probes C The liquid resistance is too high above 100K ohms 3 Connect term...

Page 5: ...CTION WHETHER BASED IN CONTRACT INFRINGEMENT NEGLIGENCE STRICT LIABILITY OTHER TORT OR OTHERWISE SHALL NASSAR ELECTRONIC S LIABILITY TO THE BUYER AND OR ITS CUSTOMERS EXCEED THE PRICE TO THE BUYER OF THE SPECIFIC GOODS MANUFACTURED OR SERVICES PROVIDED BY NASSAR ELECTRONICS GIVING RISE TO THE CLAIM OR CAUSE OF ACTION THE BUYER AGREES THAT IN NO EVENT SHALL NASSAR ELECTRONIC S LIABILITY TO THE BUYE...

Reviews: