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Sullair
Air Compressor
3712
Sullair 3712 Operator's Manual And Parts List
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KEEP FOR
FUTURE
REFERENCE
O
P
E
RAT
O
R
’
S
M
ANUAL
AN
D
PART
S
L
I
S
T
®
SU
LL
AIR
®
P
ART NUMBER:
©
SULLAIR CORPORA
TION
Starting Serial Number:
003-139556
I
NDUSTRIAL
A
IR
C
OMPRESSOR
3000, 3
700, 4500,
3000
V
, 3
700
V
, 4500
V
30, 3
7 & 45
KW
/40, 50 & 60HP
Air-Cooled Standard & 2
4 KT
02250155-601
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Safety
7
General
7
Personal Protective Equipment
7
Pressure Release
8
Fire and Explosion
8
Moving Parts
9
Hot Surfaces, Sharp Edges and Sharp Corners
9
Toxic and Irritating Substances
9
Electrical Shock
10
Lifting
10
Entrapment
11
2 Description
13
Introduction
13
Description of Components
14
Sullair Compressor Unit, Functional Description
14
Compressor Cooling and Lubrication System, Functional Description
16
Compressor Discharge System, Functional Description
16
Control System, Functional Description
17
Start Mode - 0 to 50 Psig (0 to 3.5 Bar)
17
Full Load Mode - 50 to 100 Psig (3.4 to 6.9 Bar)
18
Modulating Mode - 100 to 110 Psig (6.9 to 7.6 Bar)
18
Unload Mode - in Excess of 110 Psig (7.6 Bar)
19
Load/No Load Control
19
Automatic Operation
19
Air Inlet System, Functional Description
19
3 Specifications
21
Table of Specifications
21
Lubrication Guide
23
Application Guide
23
Lubrication Change Recommendations and Maintenance - Fluid Filter and Separator
24
4 Installation
31
Mounting of Compressor
31
Ventilation and Cooling
31
Air-Cooled Compressors
31
Service Air Piping
32
Pipe Sizing
32
Use of Auxiliary Receiver / Sump
32
Isolation Valve(S)
32
Fluid Containment
33
Coupling Alignment Check
33
Fluid Level Check
33
Electrical Preparation
33
Motor Rotation Direction Check
34
Fan Motor Rotation Check
34
5 WS Controller
35
Controller Layout
35
Controller Keypad
35
LED Display
35
LED Lights
37
6 Maintenance
39
General
39
Daily Operation
39
Maintenance after Initial 50 Hours of Operation
39
Maintenance Every 2000 Hours
39
Fluid Maintenance
40
Filter Maintenance
40
Fluid Filter Element Replacement
40
Air Filter Maintenance
40
Air Filter Element Replacement
41
Separator Maintenance
41
Separator Element Replacement
41
Oil Return/Sight Glass Maintenance
41
Pressure Regulator Adjustment
42
Water Condensate Drain Maintenance
42
Control Line Strainer
42
Shaft Coupling Maintenance
43
Troubleshooting - Introduction
43
Troubleshooting Guide
44
7 Parts Lists
47
Procedure for Ordering Parts
47
Recommended Spare Parts List
49
Compressor, Frame and Drive - 3000 and 3700 Models
50
Compressor, Frame and Drive - 4500 Model
52
Air Inlet System
54
Air Piping - Air-Cooled
56
Fluid Piping - Air-Cooled
58
Cooling and Lubrication System - Air-Cooled 18"/60Hz Fan, Standard Cooler
60
Discharge, Sump and Piping System
62
Moisture Drain
64
Pneumatic Control System - Standard
66
Pneumatic Control System - with Sequencing
68
Control System and Electric Parts - 230/460 WYE-Delta
71
Enclosure - Air-Cooled
73
Decal Section - Air-Cooled
75
Other manuals for Sullair 3712
Operators Manual & Parts Lists
146 pages
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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
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