Atlas Copco FD380 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 FD380 Specifications

General

Brand	Atlas Copco
Model	FD380
Category	Dehumidifier
Language	English

Summary

2 INSTALLATION

2.3 Installation instructions

3 OPERATING INSTRUCTIONS

3.1 Initial start (Fig. 10)

Procedure for the first-time power-up and preparation of the dryer.

3.2 Starting (Fig. 10)

3.5 Possible causes of unstable or too high pressure dewpoint temperature

Troubleshooting guide for dewpoint temperature issues.

4 MAINTENANCE

5 SETTINGS

6 PROBLEM SOLVING

1. Pressure dewpoint temperature too high

Remedies for high pressure dewpoint temperature issues.

2. Condenser pressure too high or too low

Troubleshooting steps for incorrect condenser pressure.

3. Compressor stops or does not start

Solutions for compressor startup or stopping problems.

4. Pressure drop over dryer too high

Remedies for excessive pressure drop across the dryer.

5. Condensate trap remains inoperative

6. Condensate trap continuously discharges air and water

7. Evaporator pressure is too high or too low

Remedies for unstable evaporator pressure.