Alpha Drive -
Quick Start Guide
Installation

QUICKSTART SDES, Revision 001

What is included

Alpha Drive VFD
Transducer
Cord Grip
Mounting Tabs

Mounting the VFD

  1. (Optional) Fasten mounting brackets to back of enclosure with supplied screws.
  2. Install fasteners to wall 7.5" (190mm) center to center. Max fastener size 1/4".
    Note: 18" (450mm) clearance below and 6" (150mm) around required for ventilation.

Connect Wiring

  1. Remove (4) front screws and remove cover.
  2. Connect power leads to the Line terminal block.
  3. Connect motor leads to the Load terminal block.
    Caution: Crimp or solder (NO WIRE NUTS)...
  4. Secure the ground wire into the lug marked with the ground symbol.
    Note: 4ohms or less to earth ground recommended
    ground symbol
L1 & L2 Terminals Inside Alpha Drive
  1. Install transducer into a 1/4” NPT non-metallic fitting and run the wire back to the VFD...
    Note: DO NOT coil, ground shield, or run next to motor leads. Cross only at 90°. Caution: Do not over tighten cord grip.
  2. Install the Black wire into the spring-loaded I1- terminal and the remaining White or Red wire into the I1+ terminal.
Terminal Block Connection Options

Powering up the VFD

WARNING: High voltage. Have a licensed electrician install this product.
  1. Replace the cover securely and then enable power to the VFD.
  2. Press HOME to skip setup or YES (ENTER) to launch Perfect Pressure wizard.
    Note: Hold BACK + ENTER for 3s to reset VFD to defaults.
Optional: Connect overpressure or float switch to AUX2 and COM.
Caution: No voltage may be introduced on these terminals.
Alpha Wiring Setup
Terminal Description
V, W 2-wire motor, 3-wire motor, 1 phase motor
U Start winding
V, W Motor winding

Analog Constant Pressure Setup

Alpha Drive VFD's include the Perfect Pressure™ wizard, which makes the setup of constant pressure systems a breeze. Now that you have installed your VFD, read the Quick Start Guide for Analog Constant Pressure Setup on Alpha Drives.

Read more

Warranty Registration
or Download
Alpha Drive Manual
phasetechnologies.com/support/ad