Page 2 of 5 – Yaskawa iQpump1000 AC Drive User Manual

Page 2

Step

Generic parameter setup for system with two or three pumps as boosters with or without pressure tank. Pumps will be lead & lag with 24hrs alternation. Start / Stop from the
keypad. Each drive has it’s own transducer.

Page 2 of 5

Yaskawa America, Inc., 2121 Norman Drive South, Waukegan, IL 60085, (800) YASKAWA (927-5292) Fax (847) 887-7310, [email protected], www.yaskawa.com, Document Number: TM.iQp1000.03 05/29/2014 © Yaskawa America, Inc.

Parameter

iQpump P1 Setting

iQpump P2 or higher

Description

Comments

b5-02

Pressure

Tank

No Pressure

Tank

Pressure

Tank

No Pressure

Tank

Proportional Gain Setting (P)

Increase proportional gain to make iQpump1000 more responsive. Caution: can cause instability if value is too high.

2.0

4.0

2.0

4.0

b5-03

Pressure

Tank

No Pressure

Tank

Pressure

Tank

No Pressure

Tank

PI Integral Time (I)

Decrease integral time to make iQpump1000 more responsive. Caution: can cause instability if value is too low.

3.0 sec.

2.0 sec.

3.0 sec.

2.0 sec.

C1-01

9.0 sec.

Acceleration Time 1

Time it takes to accelerate the pump motor from zero to maximum speed.

C1-02

5.0 sec.

Deceleration Time 1

Time it takes to decelerate the pump motor from maximum speed to zero.

C6-02

Centrifugal

Pump

Submersible

Pump

Centrifugal

Pump

Submersible

Pump

Carrier Frequency

Note: Please refer to the iQPump1000 manual for drive full load amp de-ratings if setting C6-02 carrier frequency selection other than 6 or 7
for drives above 40HP.

E2-01

Motor Nameplate Amps

Motor Rated Current

Set to the motor nameplate full load amps.

H5-01

P2 = 2, P3 = 3

Drive Node Address

P1-01

Pump Mode

Set drive software up for Memobus Multiplexing.

P1-03

XX PSI

Feedback Scaling

This should be the maximum range of the transducer output based on 4-20ma. If transducer is 300P SI that this is what should be
programmed in P1-03.

P1-04

-5 PSI

Start-Draw down Level

Note: Make sure to see the "-" negative sign on display

P1-06

Centrifugal

Pump

Submersible

Pump

Centrifugal

Pump

Submersible

Pump

Minimum Pump speed

This should always be set based on where the pump curve starts working to overcome the head and system losses.

35.0 Hz

40.0 Hz

35.0 Hz

40.0 Hz

P1-08

XX PSI

Low Feedback Level

Low pressure fault should be set based on system. This is customer settings.

P1-09

25 sec.

Low Feedback Level Delay Time

P1-11

XX PSI

High Feedback Level

High Pressure fault should be set on average 20 PSI over the system set point.

P1-12

6 sec.

High Feedback Level Delay Time

P4-10

AUTO Mode Operator Run Power Down Storage

This allows drive to recover and automatically run after a loss of Utility Power if run (Auto) command is via keypad.
Warning: System will automatically restart.

P4-12

Centrifugal

Pump

Submersible

Pump

Centrifugal

Pump

Submersible

Pump

Trust Bearing Frequency

Thrust bearing frequency shout not be disabled when using a submersible pump motor.

0.0 Hz

30.0 Hz

0.0 Hz

30.0 Hz

P9-02

Feedback Source

System programmed for redundant transducer feedback. Each drive has its own transducer wired to A2.

P9-06

59.5 Hz

Lag Drive Fixed Speed

P9-08

Add Pump Mode

Sets the conditions for the lead pump drive so that the output speed must rise above P9-09 and the pressure to fall below P9-10 before add-
ing an additional pump to the system.

P9-09

59.5 Hz

Add Freq Level

Sets the system to stage on lag pump when lead pump is above P9-09 level and the system is 5PSI below Auto Set point.

P9-10

5.0 PSI

Add Delta Level

Sets the system to stage on lag pump when lead pump is above P9-09 level and the system is 5PSI below Auto Set point.

P9-11

14 sec.

Add Delay Time

Sets the time when the lag pump will stage on.. Adjust as needed for system operation.

P9-13

45.0 Hz

Remove Frequency Level

Sets the lag pump output frequency when it de-stages and goes back to a single lead pump. May have to adjust based on pump system
curve.

P9-15

5 sec

Remove Delay Time

Sets the time when the lag pump will de-stage when speed falls below P9-13.

P9-18

98.0%

High Feedback Quick De-stage

Allows program to this value when using High Pressure as Fault.

P9-25

2 for Duplex, 3 for Triplex

Sets the maximum number of pumps in the
multiplex system.

Sets the number of pumps in the multiplex system.

Q1-01

XX PSI

System Setpoint

Note: Program this value last on the main keypad screen using Q1-01. U1-01 auto set point is the same as Q1-01.

iQpump1000 AC Drive
Multiplex Quick Start Procedure