Instruction Manual  Breathing Air Compressors
1
1. GENERAL
PURPOSE AND SHORT DESCRIPTION
The Mariner 320 high pressure compressors are designed to
compress air for breathing as required in diving and fire fight
ing applications. The max. allowable operating pressure (ad
justed pressure on final pressure safety valve) is 225 bar or
330 bar depending on unit.
DESIGN AND MODE OF OPERATION
Design
The compressor unit comprises the following major assem
blies:
• compressor block
• drive motor
• filter assembly
• filling assembly
• protection and anti-vibration frame
• automatic condensate drain
a) 
• electric control system
a) 
The compressor units are available with electric motor or pet
rol engine drive (Abb. 1 to Abb. 8).
Abb. 1 Compressor unit Mariner 320
a) optional extra according to order