CSI 1750 RPM User manual

PNEG-2305
Aluminum Centrifugal Fan
Installation and Operation
Owner’s Manual
PNEG-2305
Version: 1.0
Date: 03-24-21

2PNEG-2305 Aluminum Centrifugal Fan
Check List
1. All wire connections
2. Tip clearance on blade
3. Fan blade torqued to torque specs
4. Grill guard in place and tight
5. Fuse in place, extra fuse provided
6. Motor rotation correct
7. Contactor engages properly
8. Running amperage
9. Vibration
10. All fasteners tight
11. Indicator light
12. All decals and serial number tag
13. Aesthetic appearance
14. Manual
15. Manual supplements for double inlet fans
Model #:
Serial #:
Tester Signature:
Date:
All information, illustrations, photos, and specifications in this manual are based on the latest
information available at the time of publication. The right is reserved to make changes at any
time without notice.

Table of Contents
PNEG-2305 Aluminum Centrifugal Fan 3
Contents
Chapter 1 Safety ..................................................................................................................................................... 5
Safety Guidelines .................................................................................................................................. 5
Cautionary Symbols Definitions ............................................................................................................ 6
Safety Cautions ..................................................................................................................................... 7
Safety Sign-Off Sheet ......................................................................................................................... 11
Chapter 2 Safety Decals ...................................................................................................................................... 12
Chapter 3 Installation .......................................................................................................................................... 15
Pre-Installation Requirements ............................................................................................................. 15
Fan Installation .................................................................................................................................... 16
Electrical Installation ........................................................................................................................... 16
Test Run .............................................................................................................................................. 17
Ground Rod Installation ...................................................................................................................... 18
Chapter 4 Fan Specifications .............................................................................................................................. 19
1750 RPM Fan Electrical Specifications ............................................................................................. 19
3500 RPM Fan Electrical Specifications ............................................................................................. 20
Fan Dimensions .................................................................................................................................. 21
Discharge Bolt Pattern Dimensions .................................................................................................... 22
Inlet Cone Dimensions ........................................................................................................................ 23
Fan Wheel Dimensions ....................................................................................................................... 24
Fan Pad Location ................................................................................................................................ 25
Chapter 5 Operation ............................................................................................................................................ 26
Fan Start-Up ........................................................................................................................................ 26
Fan Shut Down ................................................................................................................................... 26
Maintaining Grain Quality .................................................................................................................... 26
Grain Storage ...................................................................................................................................... 27
Chapter 6 User Servicing Instructions and Troubleshooting .......................................................................... 28
Fan Wheel Removal and Installation .................................................................................................. 28
Removing the Fan Wheel Assembly ................................................................................................... 28
Installing the Fan Wheel Assembly ..................................................................................................... 29
Fan Wheel Inspection and Maintenance ............................................................................................. 31
Taper-Lock Bushing Torque Requirements ........................................................................................ 32
Fan Motor Removal and Installation ................................................................................................... 32
General Inspection .............................................................................................................................. 32
Lubrication and Bearings .................................................................................................................... 33
Troubleshooting Charts ....................................................................................................................... 34
Chapter 7 Parts List ............................................................................................................................................. 37
Main Assembly - 1750 RPM Fans ....................................................................................................... 38
Main Assembly - 3500 RPM Fans ....................................................................................................... 43
Main Assembly - Double Inlet Fan ...................................................................................................... 48
Internal Bearing Arch Assembly - Double Inlet Fan ............................................................................ 49
Motor Drives - Double Inlet Fan .......................................................................................................... 50
Shaft Coupling ..................................................................................................................................... 51
Small Control Panel 1 Phase 230 Volt (CPS-230-1) ........................................................................... 52
Small Control Panel 3 Phase 230 Volt (CPS-230-3) ........................................................................... 54
Large Control Panel 3 Phase 230 Volt (CPL-230-3) ........................................................................... 56
Small Control Panel 3 Phase 380V, 460V and 575V (CPS-345-3) ..................................................... 58
Large Control Panel 3 Phase 460V and 575V (CPL-345-3) ............................................................... 60
Motor Conduit Assembly ..................................................................................................................... 62

Table of Contents
4PNEG-2305 Aluminum Centrifugal Fan
Chapter 8 Schematics/Wiring Diagrams ............................................................................................................ 68
Wiring Schematic - 230 Volt 1 Phase .................................................................................................. 68
Wiring Diagram (CHA-3-1C) ............................................................................................................... 70
Wiring Diagram (CFA-10-1C and CHA-10-1C) ................................................................................... 71
Wiring Diagram (CFA-15-1C) .............................................................................................................. 72
Wiring Diagram (CFA-5-1C, CFA-7.5-1C, CHA-5-1C and CHA-7.5-1C) ............................................. 73
Wiring Schematic - 230 Volt 3 Phase .................................................................................................. 74
Wiring Diagram - 230 Volt 3 Phase ..................................................................................................... 75
Wiring Schematic - 460 Volt 3 Phase .................................................................................................. 76
Wiring Diagram - 460 Volt 3 Phase ..................................................................................................... 77
Chapter 9 Appendix A ......................................................................................................................................... 78
Double Inlet Fans ................................................................................................................................ 78
Chapter 10 Warranty ............................................................................................................................................ 79

PNEG-2305 Aluminum Centrifugal Fan 5
1. Safety
Safety Guidelines
Safety guidelines are general-to-specific safety rules that must be followed at all times. This manual is
written to help you understand safe operating procedures and problems that can be encountered by the
operator and other personnel when using this equipment. Read and save these instructions.
As owner or operator, you are responsible for understanding the requirements, hazards, and precautions
that exist and to inform others as required. Unqualified persons must stay out of the work area at all times.
Alterations must not be made to the equipment. Alterations can produce dangerous situations resulting in
SERIOUS INJURY or DEATH.
This equipment must be installed in accordance with the current installation codes and applicable
regulations,whichmustbecarefullyfollowed in allcases.Authorities having jurisdictionmustbe consulted
before installations are made.
When necessary, you must consider the installation location relative to electrical, fuel and water utilities.
Personnel operating or working around equipment must read this manual. This manual must be delivered
with equipment to its owner. Failure to read this manual and its safety instructions is a misuse of the
equipment.
ST-0001-4

1. Safety
6PNEG-2305 Aluminum Centrifugal Fan
Cautionary Symbols Definitions
Cautionary symbols appear in this manual and on product decals. The symbols alert the user of potential
safety hazards, prohibited activities and mandatory actions. To help you recognize this information, we
use the symbols that are defined below.
DANGER
WARNING
CAUTION
NOTICE
This symbol indicates an imminently hazardous situation
which, if not avoided, will result in serious injury or death.
This symbol indicates a potentially hazardous situation
which, if not avoided, can result in serious injury or death.
This symbol indicates a potentially hazardous situation which,
if not avoided, can result in minor or moderate injury.
This symbol is used to address practices not related to
personal injury.
This symbol indicates a general hazard.
This symbol indicates a prohibited activity.
This symbol indicates a mandatory action.
ST-0005-2

1. Safety
PNEG-2305 Aluminum Centrifugal Fan 7
Safety Cautions
Use Personal Protective Equipment
Eye
Protection
Hearing
Protection
Hand
Protection
Head
Protection
Respiratory
Protection Foot
Protection
Fall
Protection
• Use appropriate personal protective equipment:
• Wear clothing appropriate to the job.
• Remove all jewelry.
• Tie long hair up and back.
ST-0004-1
Follow Safety Instructions
• Carefully read all safety messages in this manual and
safety signs on your machine. Keep signs in good
condition. Replace missing or damaged safety signs.
Be sure new equipment components and repair parts
include the current safety signs. Replacement safety
signs are available from the manufacturer.
• Learn how to operate the machine and how to use
controls properly. Do not let anyone operate without
instruction.
• If you do not understand any part of this manual or
need assistance, contact your dealer.
ST-0002-1

1. Safety
8PNEG-2305 Aluminum Centrifugal Fan
Maintain Equipment and Work Area
• Understand service procedures before doing work. Keep area
clean and dry.
• Never service equipment while it is operating. Keep hands, feet,
and clothing away from moving parts.
• Keep your equipment in proper working condition. Replace worn
or broken parts immediately.
ST-0003-1
Keep Hands Away from Moving Parts
• Do not operate the fan with electrical or mechanical guards
removed. Serious injury or death can result.
• Do not put hand or arm in fan. Rotating parts can crush and
dismember.
• Do not put any kind of tool inside the fan to clear debris while
the fan is operating. Damage to the equipment will result.
• Lock-out power source before making adjustments, cleaning
or maintaining equipment.
ST-0020-2
Lifting Hazard
• Single person lift can cause injury.
• Use a mechanical lifting device to lift or move the equipment
during installation.
ST-0021-2
Install and Operate Electrical Equipment Properly
• Electrical controls must be installed by a qualified electrician and
must meet the standards set by applicable local codes (National
Electrical Code for the US, Canadian Electric Code, or EN60204
along with applicable European Directives for Europe).
• Lock-out power source before making adjustments, cleaning,
or maintaining equipment.
• Make sure all equipment and bins are properly grounded.
ST-0075-1

1. Safety
PNEG-2305 Aluminum Centrifugal Fan 9
Prevent Roof Damage Due to Vacuum Pressure
• Roof damage can result from excessive vacuum or internal
pressure from fans or other air moving systems. The manufacturer
does not warrant this type of roof damage.
• Adequate ventilation or “makeup air” devices must be provided
for all powered air handling systems.
• The manufacturer does not recommend the use of downward flow
systems (suction).
• Severe roof damage can result from any blockage of air
passages.
• Operating fans during high humidity or cold weather conditions can
cause air exhaust or intake ports to freeze.
ST-0028-2
Sharp Edge Hazard
• This product has sharp edges, which can cause serious injury.
• To avoid injury, handle sharp edges with caution and always use
proper protective clothing and equipment.
ST-0036-2

1. Safety
10 PNEG-2305 Aluminum Centrifugal Fan
Handle and Use Equipment Properly
• Equipment is intended for the use of grain drying only. Any
other use is a misuse of this equipment.
• The operating instructions in this manual pertain to the
common cereal grains as indicated. When drying any other
grain, contact GSI for additional recommendations.
• On LP fired units, set pressure regulator to avoid excessive
gas pressure applied to the burner during ignition and
operation. Do not exceed maximum recommended drying
temperatures.
• Equipment has sharp edges that can cause serious injury. To
avoid injury, handle sharp edges with caution and use proper
protective clothing and equipment at all times.
• All guards must be in place before and during operation.
Images of guards removed in this manual are for illustration
purposes only.
• Use caution when working around high-speed fans, gas
burners, augers and auxiliary conveyors which can start
automatically.
• Keep hands, feet and clothing away from moving parts.
• Do not bypass any safety device or interlock.
• Do not enter the dryer or bin while it is operating.
• Do not operate in an area where combustible material will be
drawn into the dryer. ST-0029-2