Sullair 3712 - User Manual

®SULLAIR®
INDUSTRIAL AIR COMPRESSOR
3000, 3000P, 3700, 4500,
3000V, 3000PV, 3700V, 4500V
30, 37 & 45 KW/40, 50 & 60HP
Air-Cooled and Water-Cooled
Standard & 24 KT
PART NUMBER:
02250155-601
KEEP FOR
FUTURE
REFERENCE
©
SULLAIR CORPORATION
The information in this document is
correct at the time of printing for utility
compressor serial number
20060701XXXX
and all subsequent serial numbers.
OPERATOR’S MANUAL AND PARTS LIST

Sullair 3712 Specifications

General

Model	3712
Max Pressure	125 psig
Voltage	460 V
Phase	3
Drive Type	Direct Drive
Type	Rotary Screw
CFM at Rated Pressure	125 CFM

Summary

Safety Precautions and Procedures

General Safety Guidelines

Covers essential safety information for compressor operation and maintenance.

Personal Protective Equipment (PPE)

Details required protective gear for safe operation and maintenance.

Pressure Release Procedures

Instructions on safely releasing system pressure.

Fire and Explosion Prevention

Guidelines to prevent fires and explosions during operation.

Moving Parts Safety

Warnings and precautions regarding moving components.

Hot Surfaces and Sharp Edges

Information on hazards related to hot surfaces and sharp edges.

Toxic and Irritating Substances

Precautions when dealing with hazardous materials.

Electrical Shock Hazards

Safety measures to avoid electrical shock.

Lifting and Handling Procedures

Guidelines for safely lifting and moving the compressor.

Entrapment Hazards

Safety instructions to prevent entrapment within the unit.

Compressor Description and Components

Component Identification and Layout

Sullair Compressor Unit Functionality

Cooling and Lubrication System Function

Describes the operation of the cooling and lubrication system.

Compressor Discharge System Function

Details the function of the compressor's discharge system.

Control System Functionality

Explains the operation of the compressor's control system.

Air Inlet System Functionality

Installation and Setup Guide

Compressor Mounting Requirements

Ventilation and Cooling Requirements

Guidelines for ensuring adequate ventilation and cooling for air-cooled units.

Service Air Piping Installation

Fluid Level and Electrical Checks

Motor Rotation Direction Check

Steps to verify correct motor rotation before operation.

WS Controller Operation and Features

WS Controller Layout and Interface

WS Controller Keypad Functions

Understanding the LCD Display

Interpreting LED Status Indicators

Maintenance Procedures and Troubleshooting

Daily Operation Checks

Initial 50-Hour Maintenance

2000-Hour Maintenance Schedule

Fluid and Filter Maintenance

Procedures for changing compressor fluid and replacing filter elements.

Air Filter Maintenance

Separator Maintenance Procedures

Pressure Regulator and Drain Maintenance

Troubleshooting Common Issues

Guide to identify and resolve common compressor problems.

Variable Speed Drive (VSD) Control Operation

VSD Control System Functionality

Explains the operation of the control system for VSD compressors.