Atlas Copco FD450 User Manual

Atlas Copco Air Dryers
Important:
This book applies exclusively to FD dryers as from following serial numbers onwards and filled with
refrigerant R404a; see data plate:
FD260: AIQ-124 045
FD300: AIQ-140 200
FD380: AIQ-129 800
FD450: AIQ-140 550
FD700: AIQ-750 005
*2920135101*
No. 2920 1351 01
Registration code: APC FD / 38 / 988
Replaces No. 2920 1351 00 and for FD700 only 2920 1371 00
1998-03
FD(W)260, -300, -380, -450, -700
Instruction Book
This instruction book meets the requirements for instructions specified by the machinery
directive 89/392/EEC and is valid for CE as well as non-CE labelled machines

Atlas Copco FD450 Specifications

General

Brand	Atlas Copco
Model	FD450
Category	Dehumidifier
Language	English

Summary

Leading Particulars

Air Circuit

Explains the flow of compressed air through the heat exchangers and separator.

Refrigeration Circuit

Explains the path of refrigerant through the compressor, condenser, receiver, and evaporator.

Automatic Regulation System

Explains how the expansion valve and fan control switch maintain stable operation.

Dryer Operation Guide

Dryer Initial Start Procedure

Steps for energizing the crankcase heater and preparing the dryer for operation.

Dryer Startup Procedure

Procedure to start the dryer after initial preparation.

Dryer Operation Checks

Dryer Shutdown Procedure

Dewpoint Temperature Troubleshooting

Dryer Troubleshooting Guide