Tweco 7-3360 Manuale Utente Scaricare il pdf

August 19, 2005 1 Manual 0-2555

General Information

NOTE

The installation of this replacement kit should only

be performed by a qualified electronic technician.

This Kit replaces the Driver PC Board, Shunt Amp PC Board,

Switching Transistor/IGBT Assembly, and IGBT wire har-

ness in the Merlin Series Power Supplies. The kit includes

an IGBT Suppressor PC Board.

WARNING

If any of the parts listed above have failed, all must

be replaced at the same time with parts provided in

this kit. Failure to replace all parts together may

lead to parts failure.

Kit Contents

Rear of Front Panel

river PC Board

Art # A-0608

hermal Pad

IGBT Suppressor

PC Board

IGBT

ire Harness

hunt Amp PC Board

Manual 0-2555

Merlin Power Driver PC

Board Replacement Kit

Catalog # 7-3360

Installation Instructions

The kit also includes:

• Installation Instructions

• Static Dissipative Bag

• Grounding Wrist Strap

• Static Handling Instructions

Installation Procedure

WARNING

Disconnect primary power at the source before as-

sembling or disassembling power supply, torch

parts, or torch and leads assemblies.

A. Opening Enclosure

1. Turn OFF main input power to the Power Supply both at the

Power Supply ON/OFF switch and at the main power dis-

connect.

2. Wait at least two minutes to allow the input capacitors

to discharge.

3. Remove the top and side panels of the Power Supply.

To remove the top panel of the Power Supply requires

the removal of several screws. Carefully remove all the

screws before attempting to remove the panels.

82 Benning Street, West Lebanon, NH 03784 USA

(603) 298-5711 • www.thermal-dynamics.com

1 2 3 4

Sommario

Pagina 1 - Manual 0-2555

August 19, 2005 1 Manual 0-2555General InformationNOTEThe installation of this replacement kit should onlybe performed by a qualified electronic techn

Pagina 2 - C. IGBT (Q1) Installation

August 19, 2005 2 Manual 0-2555B. Driver PC Board Assembly Installation1. Locate the old Driver PC Board Assembly on the insideleft side, behind the f

Pagina 3 - D. Shunt Amp PCB Replacement

August 19, 2005 3 Manual 0-2555PTC Resistor AssemblyQ1Main HeatsinkArt # A-01089PTC Resistor Assembly Location7. Remove the four screws securing the S

Pagina 4 - Shunt Amp PCB Removal

August 19, 2005 4 Manual 0-25555. Loosen, but do not remove, the screws securing theShunt Amp PCB to the Shunt.6. Refer to the illustration. Remove t