Ingersoll-Rand RS45i User Manual

Ingersoll-Rand RS45i

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47612267

Revision B

January 2019

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Contact-Cooled Rotary Screw Air Compressor

Product Maintenance Information

RS45i, RS55i, RS75i

RELEASED 11

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2019 01:43:20 GMT

Table of Contents

Questions and Answers:

L
Lawrence SanchezAug 6, 2025
What to do if my Ingersoll-Rand RS45i Air Compressor will not start?
- T
  Tyler RuizAug 6, 2025
  If your Ingersoll-Rand Air Compressor won't start, there could be several reasons. First, check that the power supply to the compressor is switched on; if it is, contact a qualified electrician. Another potential cause is controller failure, in which case you should check the supply to the controller and replace it if necessary. Finally, a starter failure could be the issue; in this case, isolate the supply, lock it off, tag it, and replace the failed component, or contact your local Ingersoll Rand representative.
M
Monica KirkAug 13, 2025
Why does the pressure produced by my Ingersoll-Rand RS45i is too high?
- J
  Joshua MillerAug 13, 2025
  If the pressure produced by your Ingersoll-Rand Air Compressor is too high because the speed isn't reducing as demand decreases, the controller settings may be incorrect; check and modify them. Alternatively, the pressure transducer may be faulty, incorrectly calibrated, or not receiving a pressure signal; recalibrate or replace it. A drive settings fault could also be the cause, in that case, contact your local Ingersoll Rand representative.
K
kellypriceAug 20, 2025
What to do if my Ingersoll-Rand RS45i will not meet pressure required by system?
- A
  Annette McdanielAug 20, 2025
  If your Ingersoll-Rand Air Compressor isn't meeting the required system pressure, several factors could be at play. The inlet valve might not be opening fully, the separator element could be dirty or collapsed, pipes or hoses might be blocked or collapsed, or the cooler core could be blocked. Additionally, the minimum pressure check valve might not be functioning correctly, or equipment between the compressor and the customer measuring point could be causing a pressure drop or loss. In each of these cases, repair or replace the faulty component. Review system requirements.
M
Mitchell MyersAug 28, 2025
What to do if my Ingersoll-Rand Air Compressor is stopped and will not restart?
- B
  Brandi ThompsonAug 28, 2025
  If your Ingersoll-Rand Air Compressor is stopped and won't restart, it could be because the controller has tripped the compressor and hasn't been reset. See Table 4. Another possibility is that the emergency stop button has been pressed and not released; in this case, identify the reason why, repair the fault, disengage the button, and reset the controller. Even if the emergency stop button has been pressed and released, the controller may still need to be reset after the fault is repaired.

Ingersoll-Rand RS45i Specifications

General

Model	RS45i
Phase	3
Type	Rotary Screw Compressor
Max Pressure	125 PSI
Voltage	460V
Noise Level	69 dB(A)

Summary

About This Manual

Personnel

Safety

Air Compressor Maintenance

Routine Maintenance

Details on periodic maintenance and replacement of compressor components.

Coolant Level and Filter Management

Procedures for checking, adding, and draining coolant, plus changing the coolant filter.

Separator Element and Tank Maintenance

Steps for checking, changing the separator element, and inspecting the tank.

System Checks and Component Replacement

Includes checking valves, changing air filters, and motor greasing.

Cooling System and Cooler Maintenance

Guidance on cleaning air-cooled systems and coolers.

Condensate Drain and Filter Maintenance

Procedures for cleaning condensate drains and package pre-filters.

Monitoring and Analysis

Includes fluid monitoring and shock pulse bearing analysis.

Troubleshooting

General Faults

Common symptoms, probable causes, and remedies for compressor issues.

Controller Faults

Lists faults indicated on the controller, their causes, and remedies.

Integrated Dryer Maintenance

Condensate Drain Maintenance Schedule

Periodic maintenance chart for condensate drains and related components.

Troubleshooting Condensate Drains

Basic troubleshooting for condensate drain issues.

Disassembling the Integrated Dryer

Notice regarding disassembly by a refrigerant specialist.

Decommissioning the Integrated Dryer

Guidelines for decommissioning the dryer and recycling materials.

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