Ingersoll-Rand R75 - User Manual

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80447162

Revision B

June 2014

Save These Instructions

Contact-Cooled Rotary Screw Air Compressor

R30, R37, R45, R55, R75, R90, R110, R132, R160

Product Information

Information produit

FR

Información del producto

ES

Product Information

EN

Informações do produto

PT

93014.15.06

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ENGLISH

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PORTUGUESE

Table of Contents

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Product Maintenance Information32 pages

Product Information48 pages

Questions and Answers

O
omcgeeSep 23, 2025
When to change HE filter in integrated dryer models of Ingersoll-Rand Air Compressor?
- T
  timothynicholsSep 23, 2025
  To address the issue of needing to change the HE filter in integrated dryer models of your Ingersoll-Rand Air Compressor: * If there is a faulty pressure transducer measurement, calibrate and validate the after cooler discharge and package discharge transducers. * If the moisture separator condensate drain trap is faulty, ensure the condensate drain system is functioning properly and condensate is being drained. * If there is a blockage in the dryer, ensure it's not due to freeze up from refrigerant leaks. * If the dryer HE filter is dirty or blocked, change the HE filter.
N
Nicholas DavisAug 27, 2025
What to do if Ingersoll-Rand R75 Air Compressor is stopped and will not restart?
- I
  Isaac JohnsonAug 27, 2025
  If your Ingersoll-Rand Air Compressor is stopped and won't restart, it could be due to the following reasons: * The controller has tripped the compressor and hasn't been reset. See Tables 4 and 5. * The emergency stop button has been pressed but not released. Identify the reason, repair the fault, disengage the button, and reset the controller. * The emergency stop button has been pressed and released, but the controller hasn't been reset. Repair the fault and reset the controller.
J
Jason HartAug 27, 2025
Why does my Ingersoll-Rand Air Compressor stop and not restart?
- B
  Brenda ClarkAug 27, 2025
  If your Ingersoll-Rand Air Compressor stops and will not restart, it could be due to: * A tripped drive controller. See Tables 4 and 5. * The controller has tripped the compressor. See Tables 4 and 5. * The maximum number of starts per hour has been exceeded.
A
Andrea PriceAug 28, 2025
Why is the discharge air from my Ingersoll-Rand R75 Air Compressor too hot?
- J
  joelfrenchAug 28, 2025
  If the discharge air from your Ingersoll-Rand Air Compressor is too hot, consider these potential causes: * High ambient temperature. Review the installation and system parameters. * Insufficient cooling air. Check the ducting and cooling air path, and verify the direction of blower rotation. * Dirty or blocked aftercooler (cooling air side). Clean or replace the aftercooler.
L
Lisa CrawfordSep 23, 2025
What to do if Ingersoll-Rand Air Compressor stops but there is no alarm message?
- M
  Mr. Robert MunozSep 23, 2025
  If your Ingersoll-Rand Air Compressor stops but there is no alarm message: * There may be a loss of outputs of control power. Check the controller outputs (110V AC) power supply (fuses/mini circuit breaker).
D
dtuckerNov 24, 2025
What to do if Ingersoll-Rand Air Compressor will not meet pressure requirements?
- K
  Katherine GutierrezNov 24, 2025
  If your Ingersoll-Rand Air Compressor isn't meeting the required pressure, consider the following: * Check for air loss due to pipe, hose, joint, or seal failures. Repair or replace any faulty components. * Inspect for air loss due to a blowdown valve stuck open and repair or replace if needed. * Look for air loss through the pressure relief valve if it's not seating correctly or is set incorrectly; repair or replace it. * Check for air loss due to a moisture separator drain trap stuck open; repair or replace it if necessary. * Examine the inlet grill or ducting for blockages and clean them. * Replace the air filter if it's dirty or collapsed. * Recalibrate or replace the pressure transducer if it is faulty, incorrectly calibrated, or experiencing EMF interference. * Verif...
S
Sarah DavidsonSep 12, 2025
Why do I need to check setpoints on Ingersoll-Rand Air Compressor?
- A
  Antonio OlsenSep 12, 2025
  You may need to check the setpoints on your Ingersoll-Rand Air Compressor if: * The controller software has been changed. Recalibrate all sensors and check the setpoints.
J
James MillerSep 12, 2025
What to do if sensor failure occurs in Ingersoll-Rand Air Compressor?
- D
  dianeherreraSep 13, 2025
  If a sensor failure occurs in your Ingersoll-Rand Air Compressor: * The sensor may be missing or faulty. Install, repair, or replace the faulty sensor.
J
Joshua MelendezSep 5, 2025
What causes excessive coolant consumption in Ingersoll-Rand Air Compressor?
- K
  Katelyn ArcherSep 5, 2025
  Excessive coolant consumption in your Ingersoll-Rand Air Compressor can be due to: * A coolant system leak. Repair or replace the leaking components. * See also ‘discharge air is contaminated with coolant’.
D
Daniel GatesSep 3, 2025
Why is pressure too high in Ingersoll-Rand Air Compressor because speed is not reducing?
- G
  Gregory DavisSep 3, 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 the settings. * The pressure transducer may be faulty, incorrectly calibrated, or not receiving a pressure signal. Recalibrate or replace it.

Ingersoll-Rand R75 Specifications

General

Brand	Ingersoll-Rand
Model	R75
Category	Air Compressor
Language	English

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