LS ELECTRIC H100 Low Voltage VFD Fan and Pump Drive User Guide

**LS ELECTRIC H100 Low Voltage VFD Fan and Pump Drive

**

Introduction

This quick start reference is meant to be a supplement to the User Manual included in the VFD packaging. This reference informs the installer of the proper steps for mounting, wiring, and basic programming/operation of the H100+ VFD.

CAUTION!

Improper wiring and operation may result in serious personal injury or death.

Follow the recommended wiring practices suggested in this document as well as the User Manual. The minimum size of the protective earth (ground) conductor shall comply with local safety regulations and applicable codes.

Please review all H100+ related documents included with the product before proceeding with any installation and wiring.

LS Electric America
625 Heathrow Dr
Lincolnshire, IL 60069
800-891-2941

H100+ Model Number and Mounting

Verify that you have ordered and received the correct VFD by checking the nameplate information. Utilize the example name plate below to assist you with this.

Important!

• Verify that the input voltage rating matches the voltage source which will be applied to the VFD.
• Confirm that the output power of the VFD is equal to or greater than the rating of the motor which will be connected.

Mounting
In order to maximize the lifespan of your H100+ VFD, follow the proper installation and environment recommendations. The User Manual contains further details on the exact dimensions and weights of each capacity H100+.

Cover Removal
After mounting, and in order to move onto the wiring step, loosen the captive screw on the terminal cover. Squeeze the tabs and “hinge off” the cover. Squeeze tabs and slide up the wire guide to expose the power terminals. This wire guide can be disposed of if you have purchased a NEMA 1 conduit kit. For the larger H100+’s remove the screws securing the metal cover.

Connect Line and Motor Power

Utilize the below wiring diagrams to properly wire the main power connections to the VFD. This step should be done with power OFF! Refer to the User Manual for proper wire gauge recommendations. Be sure to follow good wiring and grounding practices. Follow applicable local codes if needed.

Danger!

Lethal voltages are present. Be sure that all power is turned OFF while performing the recommended power wiring. Reinstall all protective covers on the H100+ before reapplying power

Below is the proper wiring for both Single Phase and Three phase applications. The physical terminal layout will change across the different H100+ capacities and enclosure types. Terminal names (e.g. R, S, T, etc) will remain consistent.

Single Phase Input H100+

Three Phase Input H100+

Grounding
Chassis ground terminals can be found near the bottom on all chassis types and sizes.

Verify Motor Direction

This step explains how to check motor direction by running the motor at a low speed via the keypad in HAND mode. Verify that the power and motor wiring matches the previous step and covers are installed before applying power.

At first power up, the EZ Start Wizard prompt appears. If using the EZ Start, “Basic” should be selected for macro unless running a PID loop. After entering in the EZ Start parameters, the display will look like below. “0.0 Hz” represents Setting a HAND Speed

Checking Direction

Use the above mentioned steps to run the motor in the forward direction in HAND mode. The display will briefly show the output frequency of the VFD until it reaches 10Hz.

Look at the motor shaft to verify rotation is correct. Press the  key to STOP.

If motor direction is incorrect, stop the motor with the  key, and power down the VFD.

Wait at least 5 minutes to let the VFD capacitors discharge.

Swap any twooutput leads between the VFD and the motor. This will change motor direction. Verify correct rotation via the previous steps.

Keypad Navigation and Parameter Changes

Navigate and select different parameters by using the directional arrows on the keypad while in the PAR Mode ( ).

From the main screen, the MODE key will change the keypad to display the Parameter (PAR) mode. The PAR mode contains all parameters and monitors. These parameters and monitors are divided into intuitive groups. Pressing the LEFT or RIGHT arrows will move through the different parameter groups. While the UP and DOWN arrows will navigate through the different parameter code #’s in the selected group.

Any of the above parameters settings can be changed by pressing the key, selecting the new setting with the arrows, and pressing again to save.

Changing Acceleration Time Example

1. Press the key from the main display to access PAR Mode.
2. In the DRV group, press down to select DRV 03 (Acc Time).
3. Press the key access the current setting.
4. Use the UP and DOWN arrows to increase and decrease the value.
5. Use the LEFT or RIGHT arrows to move the cursor over to select different digits.
6. Press the key once the desired value is set. This saves the change.
7. DRV 03 will be displayed again indicating the parameter change has taken effect with the new value displayed.

Control Wiring

This step shows common wiring examples for both the run command and frequency reference when operating in AUTO Mode. If DRV08=Disabled, the key is not required.

AUTO Mode Run Command Wiring

2-Wire Control

2-wire control consists of maintained run signals. This can be
accomplished via toggle switches, relays, jumpers, etc.
Default parameters support this operation.

Note : Only dry contacts or 24VDC inputs may be used on P1~P7. AC voltage will damage the digital inputs.

AUTO Mode Frequency Reference Wiring

Speed POT Wiring (0-10VDC)
Controlling the VFD with an external speed POT can be accomplished by setting DRV7=2 V1 and wiring like below. For 0-10VDC signals from a BAS or Controller simply wire to V1 and CM.

VR = 10VDC
VI = Wiper
CM = Common

BAS or Controller Wiring (4-20mA)
For speed control over a 4-20mA signal set DRV7=5 I2

Important: Verify that SW4 dip switch on the terminal board to ‘I2’ (LEFT) for 4- 20mA signal.

Speed Adjustments and Limits

• An overall min/max speed limit may be set with ADV24,
  ADV25, and ADV26.

• Analog input max scaling is set at IN01. This is limited by DRV20 and ADV26.

For example, to reach 66Hz, set DRV20, ADV26, and IN01 ALL to 66Hz.

Basic Setup Parameters

The basic drive and motor parameters are shown on the below table. These parameters may have also been set in the EZ start menu. Set the parameters according to your specific application.

Required Motor Parameters

Set the below motor parameters based on the motor nameplate.

Motor RPM to Poles chart

Example:
If actual motor RPM is 3450.
Set Motor Poles = 2. This is due to motor slip. In this example The motor has 150 RPM of slip. (Slip=Synchronous speed-Rated Speed)

Commonly Set Parameters

Optional Parameters

• To automatically start after a power loss, set ADV 10=Yes.

• Set Stop mode, ADV08=Coast Stop

• Enable phase loss protection by setting the dipswitches in PRT 03 both up.

• Enable auto restart after a fault trip by setting the below…

  • PRT 08= Both Switches Up
  • PRT 09= # of retry attempts

• For Heavy Duty applications (eg compressors), set PRT02=1 Heavy Duty

LS Electric America
625 Heathrow Dr
Lincolnshire, IL 60069
800-891-2941

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