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47612267 Rev B 

EN-11

EN

SYMPTOM

CAUSE REMEDY 

Compressor discharge air too 
hot.

High ambient temperature. 

Review installation and system parameters. 

Insufficient cooling air.

Check ducting and cooling air path, check 
direction of  blower rotation.

Dirty, blocked aftercooler (cooling air side). Clean or replace.

Table 3: General Faults (cont.)

SYMPTOM

 

CAUSE REMEDY

 

Compressor package 
produces excessive noise.

Panels or doors are not closed properly.

Rectify fault.

Air leaks from internal pipework / 
components.

Repair or replace.

Blower or blower motor bearings worn.

Repair or replace.

Loose debris impacting on blower during 
rotation.

Remove and rectify any damage.

Blowdown valve stuck open.

Repair or replace.

Pressure relief valve not seating correctly.

Repair or replace.

Vibration due to motor, airend or blower 
imbalance.

Repair or replace.

Airend requires repair.

Contact your local 

Ingersoll Rand

 

representative.

Discharge air is contaminated 
with coolant.

Scavenge pipe is blocked, broken or o-ring 
is not sealing.

Clean or replace.

Separator element is punctured, or 
incorrect, or requires changing, or not 
sealing correctly.

Replace.

Incorrect coolant has been added.

Drain system, check for damage. Clean, refill 
with correct coolant. 

System has been overfilled with coolant.

Check for damage, drain excess. 

Discharge air is contaminated 
with condensate.

Aftercooler not functioning  correctly.

Clean or replace.

Moisture separator drain trap faulty.

Repair or replace.

Continuous low speed / low  ambient 
operation causing condensate build up.

Review system requirements and contact your 
local 

Ingersoll Rand

 representative.

Compressor package draws 
too much current.

Compressor operating above rated 
pressure.

Check and modify settings. Review system 
requirements and contact your local 

Ingersoll 

Rand

 representative.

Separator filter element dirty or blocked.

Replace.

Voltage supply is low or unbalanced.

Contact your local 

Ingersoll Rand

 

representative or a qualified electrician.

Airend is damaged.

Contact your local 

Ingersoll Rand

 

representative.

Excessive coolant 
consumption.

Coolant system leak.

Repair or replace.

See also ‘discharge air is contaminated 
with coolant’.

See above.

Solenoid condensate valve 
will not close

Debris in solenoid valve prevents 
diaphragm from seating.

Remove solenoid valve, disassemble, clean 
and reassemble.

Short in electrical component.

Check and replace power cord or timer as 
needed.

RELEASED 11/Feb/2019 01:43:20 GMT

Summary of Contents for RS45i

Page 1: ...47612267 Revision B January 2019 Save These Instructions Contact Cooled Rotary Screw Air Compressor Product Maintenance Information RS45i RS55i RS75i RELEASED 11 Feb 2019 01 43 20 GMT...

Page 2: ...REGREASING MOTOR 7 CLEANING AIR COOLED COOLING SYSTEM 7 REMOVING INSTALLING AIR COOLED COOLER 8 CLEANING WATER COOLED COOLER FOR BOTH CLEAN HARSH WATER OPTIONS 8 CLEANING MOTOR COWL 8 CLEANING CHECKIN...

Page 3: ...nt training and experience to accomplish correctly In such situations only allow Ingersoll Rand trained technicians to perform maintenance on this compressor Service or inspections beyond the procedur...

Page 4: ...hours Analysis Food grade Lubricant Ultra FG Every 2000 hours Inspect Air filter element Inspect Coolant filter element Inspect Starter box power drive module PDM filter element Analysis Shock pulse b...

Page 5: ...unscrew the coolant fill plug to verify all pressure has been released 5 Add coolant 6 Replace the coolant fill plug and restart the compressor 7 Recheck the coolant level 8 Repeat the above steps unt...

Page 6: ...posite the pivot bolt which should be left engaged by 2 3 threads with at least 6 5 mm 0 25 in clearance from the screw head to the cover Rotate the jacking bolt clockwise until the cover lifts off th...

Page 7: ...om the compressor for testing If operating conditions are particularly severe the frequency of testing and maintenance shall be increased accordingly The user shall establish the frequency of such tes...

Page 8: ...es to fully de pressurize once stopped 4 Ensure that the main power disconnect switch is locked off and tagged 5 Install cooler mounting connection at both sides of cooling sheet metal plenum and keep...

Page 9: ...ter grill 4 Pull out the filter element 5 Center the new element over the package intake opening Also note that the filter is washable with mild detergent 6 Push the filter over the grill studs so tha...

Page 10: ...or not sized to meet system requirements or requirements have been changed Contact your local Ingersoll Rand representative Air loss due to pipe hose joint or seal failure Repair or replace Air loss d...

Page 11: ...Replace Incorrect coolant has been added Drain system check for damage Clean refill with correct coolant System has been overfilled with coolant Check for damage drain excess Discharge air is contamin...

Page 12: ...or temperature Insufficient cooling taking place If compressor is watercooled or sea watercooled check that the cooling water is flowing Check that there is no air in the water cooling system Check th...

Page 13: ...in the strainer body before replacing the filter screen 5 Replace plug and tighten with wrench 6 When putting the valve back into service press the TEST button to confirm proper function TESTING CONDE...

Page 14: ...t of the refrigerating compressor lubricating oil Contact a waste disposal and recycling utility Table 7 Integrated Dryer Materials of Construction RECYCLING DISASSEMBLY Frame and panels Steel epoxy r...

Page 15: ...RELEASED 11 Feb 2019 01 43 20 GMT...

Page 16: ...ingersollrandproducts com 2019 Ingersoll Rand RELEASED 11 Feb 2019 01 43 20 GMT...

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