Precision GP25NL Phoenix Phase Converter Installation Guide

: June 16, 2024
: PRECISION

Table of Contents

Precision GP25NL Phoenix Phase Converter
Product Information
Product Usage Instructions
ELECTRICAL SPECIFICATIONS SHEET
SAFETY INSTRUCTION
Power requirements
CONNECTING THE IDLER MOTOR WIRES
DIMENSION
Components
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Precision GP25NL Phoenix Phase Converter

Product Information

Specifications

Model: GP25NL
Version: 1.1.0
Power Requirements: Single Phase
Idler Motor: 25 HP

Product Usage Instructions

Power Requirements
Before installation, it is important to verify the KVA size of the transformer with your electric company. The KVA number should be larger than the HP of the idler motor.
Connections
Check all connections, including factory connections to the power block, to ensure they are secure. It is recommended to recheck connections after a few weeks of using the converter.
Speed Control
If you experience any issues or do not understand the speed control, it is advised to call the manufacturer or a qualified electrician. If you do not turn off the unit when instructed, there is a chance of damaging the idler motor, which will not be covered under warranty.
Breaker and Fuse Sizing
For motors, double the amp size of the machine. For example, if the equipment pulls 20 amps, use a 40 amp breaker. When determining the breaker size for multiple machines running simultaneously, calculate the amps of the largest machine and add the amps of the other machines. For rural areas, increase the minimum size breaker by 20%.
Wire and Breaker Sizes
For single-phase installations under 50 feet, use 4 AWG copper wire and a breaker/fuse size between 40 amps minimum and 125 amps maximum.
Connecting the Idler Motor Wires
Refer to the appropriate illustration based on the number of leads at the motor. For a 12-wire idler motor, connect Lead 1, 7, 6, and 12 to L1. Connect Leads 2, 4, 10, and 12 to L2. Connect Lead 3, 5, 9, and 11 to L3.

GP25NL Dimensions
The GP25NL model consists of various components:

Relay: Quantity 1
2 Pole Contactor: Quantity 1
Optional 3 Pole Contactor 60 amp – 230V: Quantity 1
Bank Start and Run Capacitor Holder Only with Base: Quantity 1
3 Phase Power Block: Quantity 1
630 MFD 220V Start Capacitor: Quantity 3
100 MFD 370V Run Capacitor: Quantity 1
Complete Capacitor Bank Assembly – Prewired: Quantity 1
Complete Back Plate Assembly – Prewired PL Model (with Start and Stop Button): Quantity 1
Complete Panel with NEMA 4 Enclosure Prewired PL Model (with Start and Stop Button): Quantity 1
Idler Motor: Quantity 1
Complete Unit Phase Converter Panel (PL Model) and Idler/Generator Motor: Quantity 1

FAQ

Q: What is the version of the GP25NL model?
A: The version of the GP25NL model is 1.1.0.
Q: What is the power requirement for the GP25NL model?
A: The GP25NL model requires a single-phase power supply.
Q: What is the HP rating of the idler motor?
A: The idler motor of the GP25NL model has a rating of 25 HP.
Q: How should I connect the wires of a 12-wire idler motor?
A: Connect Lead 1, 7, 6, and 12 to L1. Connect Leads 2, 4, 10, and 12 to L2. Connect Lead 3, 5, 9, and 11 to L3.

ELECTRICAL SPECIFICATIONS SHEET

Optional Feature

208, 460 Volt Output (includes transformer)
AutoStart and AutoOff with load detection
PL Model (includes Start and Stop with Built-in Mag Starter)
GPX Model (includes WFI Cloud Controls, Timers, Energy Monitor)
Wireless Remote ON/OFF

SAFETY INSTRUCTION

READ FIRST – BEFORE INSTALLATION

Most important step to know.
NEVER Start the phase converter with a load, this includes transformers.
Make sure you have the incoming service to start the phase converter, call your electric company verify the KVA size of the transformer, that KVA number should be larger then the HP of the idler motor.
DO NOT use WIRE NUTS for any connection, use the bolt-down lugs. Check all make sure all connections even factory connections to the power block are secure, also recheck connections after a few week of using the converter.
When powering up the unit, if the idler does NOT come up to FULL SPEED, then shut the phase converter down right away. If you don’t understand then call us or a qualified electrician. if you do not turn the unit off you have a chance to damage the idler motor that will not be covered under warranty.
Must be installed by a license industrial electrician, our guidelines are not to supersede local and state laws.

Power requirements

You will need to use a motor load-type breaker. NOT a quick blow or trip breaker.
Sizing a breaker for a single machine with an inductive load (motors) double the amps size of the machine. Example if the equipment pulls 20 amps use a 40 amp breaker.
Sizing the equipment for multiple machine double the amp of the largest machine and add the the other machine that will run at the same time. Example; 20 AMP Lathe. 9 amp saw, 6 amp milling machine. 20 X 2 = 40 +9 + 6 = 45 amps, use the next standard size breaker which would be 50 Amps two pole breaker.
Use the chart to make sure you don’t go over or under the Minimum and maximum size allowed. For rural areas increase the minimum size breaker by 20% Click on the next picture to see this chart.

GP25
WIRE AND BREAKER SIZES:

Mounting the Phase Converter Panel
Mount the enclosure first, to a non-vibrating surface, there are two options provided for mounting, next install the back plate with the four nuts provided. Mounting the phase converter panel near the breaker panel is recommended the larger wire is you single phase line, that is best to keep as short as possible. Every 50 feet you will need to increase the size of the single-phase wire.