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Sullair 1112e - User Manual

Sullair 1112e
102 pages
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®SULLAIR®
INDUSTRIAL AIR COMPRESSOR
1100E, 1500E, 1800E,
1100EV, 1500EV, 1800EV
11, 15 & 18KW/15, 20 & 25HP
Air-Cooled Standard & 24 KT
02250155_844_Cvr
PART NUMBER:
02250155–844
KEEP FOR
FUTURE
REFERENCE
©
SULLAIR CORPORATION
The information in this document is
correct at the time of printing for utility
compressor serial number
20060601XXXX
and all subsequent serial numbers.
OPERATOR’S MANUAL AND PARTS LIST

Table of Contents

Other manuals for Sullair 1112e

Preview: User Manual
User Manual60 pages

Questions and Answers

  • L
    Leah WilkinsonAug 8, 2025
    Why is my Sullair 1112e Air Compressor not building full discharge pressure?
    • B
      batesjustinAug 8, 2025
      If your Sullair Air Compressor isn't building full discharge pressure, consider these potential causes: The air demand might be too great, so check service lines for leaks or open valves. The air filter might be dirty, so inspect the filter indicator and replace the element if needed. A plugged inlet valve bleed orifice could also be the problem, so ensure the control line bleed orifice is not blocked. Additionally, the pressure regulator might be out of adjustment or defective, so adjust it or replace the diaphragm if necessary. Finally, a defective unload solenoid valve could be the issue, so check that it closes when energized, and replace it if defective.
  • T
    Todd MorrisAug 18, 2025
    Why won't my Sullair 1112e start?
    • K
      Kenneth Cuevas DDSAug 18, 2025
      If your Sullair Air Compressor won't start, several factors could be the cause. First, check that the main disconnect switch is closed. Another possible cause is a blown line fuse, which would need to be replaced. Also, the motor starter overload might have tripped; try resetting it, and if the issue continues, inspect the motor starter contacts. Finally, low incoming line voltage could be the culprit, so check the voltage and consult your power company if it's too low.
  • N
    nathan84Nov 27, 2025
    What to do if my Sullair 1112e Air Compressor shuts down with air demand present?
    • C
      Christopher HarrisNov 27, 2025
      If your Sullair Air Compressor shuts down while there's still air demand, there are several potential reasons. It could be due to a loss of control voltage; try resetting it, and if the problem continues, ensure the line pressure doesn't exceed the compressor's maximum operating pressure. Low incoming voltage can also cause this issue, so consult your power company. Other possibilities include the separator needing maintenance (check the indicator under full load), a high pressure setting in the WS controller (reset it), a defective unload solenoid valve (repair if defective), or a defective blowdown valve (repair if defective). Restricted cooling air flow (clean the cooler and check ventilation), high ambient temperature (improve ventilation), low fluid level (add fluid), or a malfunction...

Summary

Safety Precautions and Procedures

General Safety Precautions

General safety precautions for operating and maintaining the compressor.

Personal Protective Equipment (PPE)

Guidelines for using PPE as per OSHA and local codes.

Pressure Release Procedures

Procedures for safely releasing pressure from air lines and components.

Fire and Explosion Prevention

Precautions to prevent fires and explosions.

Moving Parts Safety

Safety measures related to moving components and guards.

Electrical Shock Hazards

Precautions against electrical hazards and shock.

Lifting and Handling Procedures

Safe procedures for lifting and handling the compressor.

Compressor Description and Functionality

Description of Main Components

Identification and overview of major compressor components.

Sullair Compressor Unit Function

Functional description of the Sullair rotary screw compressor unit.

Cooling and Lubrication System Function

Description of the cooling and lubrication system's function.

Compressor Discharge System Function

Functional description of the compressor discharge system.

Control System Functionality

Functional description of the compressor's control system.

Air Inlet System Function

Functional description of the air inlet system components.

Compressor Specifications and Diagrams

Table of Compressor Specifications

Table of physical and operational specifications for compressor models.

Lubrication Guide

Guidance on selecting and using Sullair lubricants.

Lubrication Change Recommendations

Wiring Diagrams Overview

Installation Procedures and Guidelines

Compressor Mounting

Ventilation and Cooling Requirements

Fluid Level Check and Maintenance

Electrical Preparation for Installation

Customer wiring requirements and electrical checks before start-up.

Motor Rotation Direction Verification

WS Controller Operation and Indicators

Maintenance Procedures and Troubleshooting

2000-Hour Maintenance Schedule

Fluid Maintenance Procedures

Fluid Filter Maintenance

Air Filter Maintenance

Separator Maintenance

Troubleshooting Guide: Startup Issues

Guide for diagnosing and resolving compressor startup issues.

Troubleshooting Guide: Pressure and Operation

Troubleshooting guide for pressure loss and excessive operation.

Troubleshooting Guide: Air Quality and Drains

Troubleshooting guide for liquid water in air lines and drain issues.

Parts Lists and Identification

Procedure for Ordering Parts

Recommended Spare Parts List

Compressor, Frame, and Drive Parts

Compressor Housing;Receiver Tank Parts

Pneumatic Control System Parts

Control System and Electric Parts

Wye Delta Control System Parts

VSD Control System Parts

Sullair 1112e Specifications

General IconGeneral
BrandSullair
Model1112e
CategoryAir Compressor
LanguageEnglish

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