Nassar PM-22 Manuale utente

SINCE 1973

PUMP MONITOR

MODEL

PM-22

www.nassarelectronics.com

The best solutions for

automation and protection

User Manual

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

viernes, 4 de octubre de 2019 10:45:06 a. m.

www.nassarelectronics.com 2

PM-22 PUMP MONITOR MANUAL

The PM-22 Series is a variety of pump monitors

designed to protect single-phase pumps from dry-

well, dead-head, jammed impeller, waterlogged tanks,

r a p i d c y c l i n g , u n d e r / o v e r v o l t a g e a n d

over/underload. It includes an LCD display that shows

the voltage, current, power consumption and faults.

The trip point is user-adjustable and it also features

automatic calibration allowing adjustments for

specic pumping applications, reducing the

possibility of false or nuisance tripping. A unique

microcontroller-based sensing circuit constantly

monitors the power and line voltage for uctuations.

When a fault is detected the PM-22 after the trip

delay— will turn oﬀ the pump . The user can select

automatic or manual reset, when automatic reset is

selected the PM -22 will turn on the pump after the

restart delay (delay is user -adjustable).

The PM-22 has an internal contactor capable of

starting motors up to 1.5 HP.

Description

Wiring

The PM-22 is used in single phase pumps with a

current consumption in the range of 4 to 15 Amps. This

unit should be mounted in a convenient location in or

near the pump control box. If the location is wet or

dusty a NEMA 3R, 4, or 12 enclosure should be used.

The PM-22 must be protected by a fuse or circuit

breaker to avoid any damage. The following diagrams

show how to connect the PM-22 depending on the

supply voltage available:

120VAC SUPPLY VOLTAGE

Features

ŸProtects pumps from dry-well, dead-

head, jammed impeller, waterlogged

tanks, rapid cycling, under /over

voltage, and over/underload.

ŸStarts motors up to 1.5 HP without the

need of an external contactor.

ŸStores faults on memory.

ŸLCD displays: Line voltages, current,

power, failures, time delays, and a

setup menu.

ŸAuto calibration.

ŸManual or automatic reset.

CB = CIRCUIT BREAKER OR FUSE

CA = CONTROL CONTACT

DANGER!

Potentially hazardous voltages are present. Electrical

shock can cause death or serious injury.

Installation should be done by qualiﬁed personnel

following all National, State & Local Codes.

BE SURE TO REMOVE ALL POWER SUPPLYING THIS

EQUIPMENT BEFORE CONNECTING OR DISCONNECTING

THE WIRING.

READ THE INSTRUCTIONS BEFORE INSTALLING OR

OPERATING THIS DEVICE.

KEEP THIS MANUAL FOR FUTURE REFERENCE.

The contact “CA” could be a pressure or float switch, a

manual switch or any other control used to start/stop

the pump automatically or manually.

120 VAC

PUMP

T1 S1

TC SC

T2 S2

PUMP-MONITOR

220 VAC SUPPLY VOLTAGE

220 VAC PUMP

T1 S1

TC SC

T2 S2

PUMP-MONITOR

CB = CIRCUIT BREAKER OR FUSE

CA = CONTROL CONTACT

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

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PM-22 PUMP MONITOR MANUAL

Supply Voltage Selection

When the Pump-Monitor is turned ON for the first time

it will ask the user to input if the supply voltage is

220VAC or 120VAC. This selection is done to calibrate

the voltage readings.

Once the supply voltage is selected it won’t ask the

user again for this setup. If the supply voltage

configuration needs to be changed, power off the PM-

22 by removing the supply voltage. Then keep the

Reset button pressed while you turn ON the PM-22

again. If done correctly the PM-22 will ask for the

supply voltage again.

SELECT:

220 V PRESS RESET

Before the PM-22 unit is ready to be used it MUST BE

CALIBRATED. Calibration may be performed as many

times as desired.

Important Note: Please make sure the PM-22 is

calibrated during normal pumping conditions.

While the pump is operating press and hold both

arrow buttons until LCD displays the calibration.

Automatic calibration

UL=780 OL=1500

CAL. P=1200 W

Setup Reset Last

Failure

CALIBRATION

AUTO CALIBRATION

WAIT 5 SEC.

The PM-22 measures the power and sets the

calibration for underload (UL) at 65% of the power

consumption and at 125% for overload (OL). These are

the recommended values, but they can be manually

adjusted later if desired.

The calibration is permanently stored, it does not

need to be recalibrated if power is lost.

Verify that the pump is running normally (i.e. the

system is pumping water and the motor current is

normal). Try to achieve the maximum water flow rate.

Calibration on a fully recovered well is recommended.

The calibration may be repeated to assure that setup

was done when the pump was running under normal

conditions.

SET: RESET DELAY

60 Min.

SET RESET:

MANUAL

SET:UNDER LOAD

UL=2312 W

Setup

Press the SETUP button to select between manual or

automatic reset. Press the downwards arrow button to

choose MANUAL reset or the upwards arrow button to

choose AUTOMATIC reset.

RESET DELAY

Press the SETUP button again. If the AUTOMATIC

option is selected the reset delay setup will be shown.

Press the up or down arrow buttons to adjust the

desired reset delay from 1 to 120 minutes.

UNDERLOAD

Proceed by pressing again the SETUP button, the

underload trip value will be displayed. This setup

allows to modify the underload protection if the

au t om ati c ca li b ra t io n ad j us tm e nt w a s n o t

appropriate. The PM-22 will disconnect the pump if

the power is below the selected value.

Use the arrow buttons to set up the desired value in

10W increments. If the button is kept pressed it will

move by 100W increments.

OVERLOAD

When pressing the SETUP button the overload setup is

displayed. This setup allows to modify the overload

protection if the automatic calibration adjustment

was not appropriate. The PM-22 will disconnect the

pump if the power is above the selected value.

SET:OVER LOAD

OL=3451 W

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

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PM-22 PUMP MONITOR MANUAL

Use the arrow buttons to set up the desired value in

10W increments. If the button is kept pressed it will

move by 100W increments. The overload value should

not be less than the underload value. If this happens

an error will be displayed until the overload setting is

increased.

UNDER VOLTAGE

Press the SETUP button and the low voltage setup will

be displayed , if the voltage is under this value the

pump will shut down.

SET: UNDER

VOLTAGE= 200 V

Operation

NORMAL CONDITIONS:

The Pump LED is ON when the pump start, and the

Failure LED is OFF, the display shows the voltage,

current and power consumption.

234 V 12.5 Amp.

Power 2645 W

FAULTS:

If a failure occurs the Failure LED turns ON and the LCD

diplays the fault during trip delay. After the trip delay

the pump will shut down.

Fault Examples

FAILURE

UNDER VOLTAGE

POWER 1456 W

UNDER LOAD

POWER 3456 W

OVER LOAD

FAILURE

RAPID CYCLING

If the pump presents an overload or underload

condition, the power consumption will be displayed

on the screen. This is useful when the system presents

considerable load variation and the automatic

calibration values need to be adjusted.

AUTOMATIC RESET:

After a failure has occured (except under/over

voltage), the PM-22 will start to count down the time

set on the restart delay (if the automatic reset is

enabled). The pump will restart when the timer

finishes.

RESET DELAY

6 MIN. LEFT

The display shows the time left to restart the motor. If

it’s required to restart without waiting, press the

“Reset” button to start the motor immediately.

MANUAL RESET:

If the PM-22 is set to manual reset it will not restart the

motor until the RESET button is pressed and the fault

condition is no longer present.

MANUAL RESET

PRESS RESET

FAILURE MEMORY:

Failures are stored in the internal memory. When a

failure is detected a letter “F” will appear in the first line

on the right upper side of the display indicating a

failure has occured.

234 V 12.5 Amp. F

Power 2645 W

SET:OVER

VOLTAGE= 245 V

Use the arrow buttons to adjust the desired voltage.

Press SETUP again to exit.

OVERVOLTAGE

Finally, press the SETUP button and the over voltage

setup will be displayed , if the voltage is over this value

the pump will shut down.

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

viernes, 4 de octubre de 2019 10:45:09 a. m.

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PM-22 PUMP MONITOR MANUAL

To check what failure occured, press the LAST FAILURE

button. The last failure will be shown for 3 s and then it

will be erased automatically.

LAST FAILURE

RAPID CYCLING

UNDERLOAD PROTECTION

The PM-22 protects the motor when a loss of suction is

detected. When this happens, the motor uses less

power and the PM-22 shuts down the motor after a 5 s

trip delay.

The underload setup is set at 65 % of the power

consumption during automatic calibration, but it can

also be adjusted manually.

In the unusual event that the system has a wide power

variation and it’s consumption goes below 65% there

will be a false triggering of the underload protection.

In this case underload should be adjusted manually to

a lower value in the setup menu .

OVERLOAD PROTECTION

The PM-22 protects the motor when an overload is

detected, when this happens the motor uses more

power and the PM-22 shuts down the motor after a trip

delay as shown in the graphic below.

100 125 150 175 200 225 250 275

OVERLOAD %

TRIP DELAY Sec.

OVER LOAD TRIP DELAY

The overload trip point is set to 125% of the power

consumption during automatic calibration, but it can

also be adjusted manually.

UNDER VOLTAGE PROTECTION

The PM-22 protects the motor if the voltage drops

from normal conditions. It shuts down the motor after

a 5 s trip delay. The under voltage protection is user-

adjustable.

To reset from this fault, the voltage has to increase 2%

above the under voltage value.

OVER VOLTAGE PROTECTION

The PM-22 protects the motor if the voltage is over

from normal conditions. It shuts down the motor after

a 5 s trip delay. The over voltage protection is user-

adjustable.

To reset from this fault, the voltage has to decrease 2%

above the over voltage value.

RAPID CYCLING PROTECTION

Pumps heat up if they are started very frequently. Such

heating could damage the pump even if an overload is

not present.

When the PM-22 detects that the pump starts more

than 4 times per minute, it will shutdown the pump to

prevent any damage.

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

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Panel mounting

Panel mounting for this equipment is available using the adapter plate model PMF-237 (sold separately).

Mounting on a panel door allows to visualize the LED indicators , it also makes setup adjustments easier. If this unit

is panel mounted, the panel needs to be installed indoors.

Din rail mounting

Mounting hole

Mounting options & Dimensions

This unit can be mounted on a standard 35 mm DIN rail or screwed into a surface using the screws included in the

package.

Enclousure Dimensions: 5.7 x 4.1 x 2.4 in

PM-22 PUMP MONITOR MANUAL

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

viernes, 4 de octubre de 2019 10:45:10 a. m.

PM-22 PUMP MONITOR MANUAL

Specifications

SUPPLY VOLTAGE

OVER VOLTAGE RANGE

UNDER VOLTAGE RANGE

OUTPUT CONTACT RATING

CONTACT LIFE

TRIP DELAY UNDER LOAD/VOLTAGE

RESTART DELAY

RAPID CYCLING

OPERATON TEMPERATURE

STORAGE TEMPERATURE

INPUT POWER

WEIGHT

15 Amps @ 220 VAC, 1.5 HP @ 220 VAC, 1 HP @ 120 VAC

100,000 operations

5 seconds.

1 to 120 minutes or manual reset.

4 start/stop cycles in 60 seconds

5 to + 149 °F (-15 to + 65 °C)

-4 to + 158 °F (-20 to + 70 °C)

4 W Approx.

17.6 oz

*Specifications subject to change without notice.

WARRANTY

These products are warranted to be free from defects in workmanship or material under normal service and use for a period of

three (3) years from date of manufacture. Nassar Electronics shall, at its option, repair or replace F.O.B. point of manufacture the

portion of the product found by Nassar Electronics to be defective. All replacements or repairs necessitated by inadequate

maintenance, normal wear and usage, unsuitable power sources or environmental conditions, accident, misuse, improper

installation, modification, repair, use of unauthorized replacement parts, storage or handling, or any other cause not the fault of

Nassar Electronics are not covered by this limited warranty, and shall be at the buyer’s expense. All costs of dismantling,

reinstallation and freight, and the time and expenses shall be borne by the buyer.

LIMITATION OF REMEDY AND LIABILITY

NASSAR ELECTRONICS SHALL NOT BE LIABLE FOR DAMAGES CAUSED BY DELAY IN PERFORMANCE. THE REMEDIES OF THE BUYER

SET FORTH IN THIS AGREEMENT ARE EXCLUSIVE. IN NO EVENT, REGARDLESS OF THE FORM OF THE CLAIM OR CAUSE OF ACTION

(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 BUYER AND/OR ITS CUSTOMERS EXTEND TO INCLUDE

INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES. THE TERM “CONSEQUENTIAL DAMAGES” SHALL INCLUDE, BUT NOT BE

LIMITED TO, LOSS OF ANTICIPATED PROFITS, REVENUE OR USE AND COSTS INCURRED INCLUDING WITHOUT LIMITATION FOR

CAPITAL, FUEL AND POWER, AND CLAIMS OF THE BUYER’S CUSTOMERS.

120/220 VAC ± 15 %, 50/60 Hz

120-140/ 220-260 VAC

90-120/190 - 220 VAC

Nassar Electronics

J. M. Salas 124 Pte.

64290 Monterrey, N. L. México

email: [email protected]

Ph.+ 52 (81)-8351-0006

UL MX certied to NOM

PM-22 PUMP MONITOR MANUAL ENGLISH 2018

viernes, 4 de octubre de 2019 10:45:10 a. m.

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