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Sullair 3709 - User Manual

Sullair 3709
146 pages
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®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

Table of Contents

Other manuals for Sullair 3709

Preview: Operator's Manual And Parts List
Operator's Manual And Parts List80 pages

Questions and Answers

  • K
    Kendra JonesAug 20, 2025
    Why my Sullair Air Compressor will not start?
    • K
      keith05Aug 20, 2025
      If your Sullair Air Compressor won't start, there are several potential causes: * The main disconnect switch might be open. Ensure it is closed. * A line fuse could be blown. Replace the fuse. * The motor starter overload may have tripped. Reset it, and if the issue continues, check the motor starter contacts. * The incoming line voltage might be low. Check the voltage, and if it's low, contact your power company.
  • J
    Jennifer MatthewsNov 5, 2025
    What to do if Sullair Air Compressor shuts down with air demand present?
    • A
      Andrew JonesNov 5, 2025
      If your Sullair Air Compressor shuts down while there's still air demand, consider these possible causes and solutions: * There might be a loss of control voltage. Check the power supply for a 24V DC output and replace the power supply if necessary. * Low incoming voltage could be the issue. Consult your power company. * Excessive operating pressure may be the cause. Reset the system, and if the problem persists, ensure the line pressure doesn't exceed the compressor's maximum operating pressure. * The separator may require maintenance. Replace the separator. * The machine might be programmed for the wrong pressure setting. Reprogram it using a WSPC-equipped laptop. * A defective regulator valve could be the culprit. Repair it if it's not causing the inlet valve to close when ...

Summary

Section 1 SAFETY

1.2 PERSONAL PROTECTIVE EQUIPMENT

Guidelines for required personal protective gear.

1.3 PRESSURE RELEASE

Procedures for safe pressure release.

1.4 FIRE AND EXPLOSION

Precautions against fire and explosion hazards.

1.5 MOVING PARTS

Safety measures concerning moving machinery parts.

1.6 HOT SURFACES, SHARP EDGES AND SHARP CORNERS

1.7 TOXIC AND IRRITATING SUBSTANCES

1.8 ELECTRICAL SHOCK

Safety procedures for electrical hazards.

1.9 LIFTING

Section 2 DESCRIPTION

2.3 SULLAIR COMPRESSOR UNIT, FUNCTIONAL DESCRIPTION

2.4 COMPRESSOR COOLING AND LUBRICATION SYSTEM, FUNCTIONAL DESCRIPTION

Function of the cooling and lubrication systems.

2.5 COMPRESSOR DISCHARGE SYSTEM, FUNCTIONAL DESCRIPTION

2.6 CONTROL SYSTEM, FUNCTIONAL DESCRIPTION

How the control system regulates air output.

Section 3 SPECIFICATIONS

3.1 TABLE OF SPECIFICATIONS - 3000, 3000 P, 3700 AND 4500 SERIES MODELS

Physical and performance data for specific models.

3.2 TABLE OF SPECIFICATIONS - VARIABLE SPEED DRIVE MODELS

Performance data for VSD models.

3.3 COMPRESSOR SPECIFICATIONS

Detailed technical specifications of the compressor.

3.6 LUBRICATION CHANGE RECOMMENDATIONS AND MAINTENANCE, FLUID FILTER AND SEPARATOR

3.9 PIPING AND INSTRUMENTATION, AIR-COOLED

3.11 WIRING DIAGRAM, MFV AIR-COOLED

Electrical schematic for MFV air-cooled models.

3.13 WIRING DIAGRAM, WYE-DELTA AIR-COOLED

Electrical schematic for Wye-Delta air-cooled models.

3.15 WIRING DIAGRAM, VSD AIR-COOLED

Electrical schematic for VSD air-cooled models.

Section 4 INSTALLATION

4.1 MOUNTING OF COMPRESSOR

Procedures for properly mounting the compressor unit.

4.2 VENTILATION AND COOLING

Requirements for adequate air-cooled ventilation and cooling.

4.3 SERVICE AIR PIPING

4.6 ELECTRICAL PREPARATION

Instructions for customer electrical connections.

4.7 MOTOR ROTATION DIRECTION CHECK

Crucial step to ensure correct motor rotation.

Section 6 MAINTENANCE

6.3 MAINTENANCE AFTER INITIAL 50 HOURS OF OPERATION

6.4 MAINTENANCE EVERY 2000 HOURS

6.6 FILTER MAINTENANCE

6.7 AIR FILTER MAINTENANCE

6.8 SEPARATOR MAINTENANCE

Section 8 PARTS LISTS

8.2 RECOMMENDED SPARE PARTS LIST

Sullair 3709 Specifications

General IconGeneral
Model3709
TypeRotary Screw
Voltage460 V
Rated Pressure125 psi
Max Pressure125 psi
Phase3 ph

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