Series hc heat-of-compression compressed air dryer (51 pages)
Summary of Contents for Ingersoll-Rand Nirvana 3250-8000
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80442825 Revision F October 2012 Nirvana Cycling Refrigerated Dryer Models 3250-8000 Operator’s Manual Operator’s Manual Manual Del Operador Manuel De L’opérateur Manual do Operador PRINT LANGUAGE ENGLISH FRENCH PORTUGUESE SPANISH Save These Instructions...
CONTENTS CONTENTS PAGE CONTENTS PAGE CONTENTS INSTALLATION OF AIR PIPING INTRODUCTION PIPING AND VALVES WARRANTY FILTRATION REFRIGERATED DRYER ELECTRICAL CONNECTION NOMENCLATURE PRE START-UP AND SYSTEM RECEIVING AND INSPECTION 3 LEAK CHECK UNPACKING INITIAL START-UP HANDLING GENERAL START-UP SAFETY AND OPERATION 8.9.1 GENERAL START-UP - PRECAUTIONS AUTO MODE...
Purchaser or others without Company's prior written approval. Note that this is Ingersoll Rand standard warranty. Any warranty in force at the time of purchase of the equipment or negotiated as part of the The effects of corrosion, erosion and normal wear and tear are purchase order may take precedence over this warranty.
9. Inspect unit daily to observe and correct any unsafe operating Precautions may result in personal injury or equipment damage. However, Ingersoll Rand does not state as fact, nor does it mean to conditions. imply, that the preceding list of Safety and Operating Precautions is all inclusive, and further, that the observance of this list will prevent all personal injury or equipment damage.
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6.0 SAFETY AND OPERATION PRECAUTIONS Removing fuses will not disconnect power from dryer. Always disconnect power from ALL sources before performing service. READ TECHNICAL MANUAL Air Under Pressure Will Cause Injury, Death Or Property Damage. • Do Not Exceed Pressure Rating. •...
A password protected FACTORY MODE is also included for use with Ingersoll Rand Service 7.4 REFRIGERATION SYSTEM Personnel for troubleshooting the dryer. The Refrigeration System consists of all the components in each module that handles the R-404A refrigerant.
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7.0 PRINCIPLES OF OPERATION Nirvana Cycling Refrigerated Dryer Models 3250-8000 ingersollrandproducts.com...
Permits the adjustment of parameters in TECHNICIAN and FACTORY MODES. In CUSTOMER MODE, allows user to back through displays, Ingersoll Rand recommends servicing the dryer at the first available opportunity should a modules pump require servicing. • ENTER Used to accept changed parameters and set point values.
7.0 PRINCIPLES OF OPERATION 7.6.2 DISPLAY PARAMETERS To equalize the runtime of the compressors, the user may “shift” the setpoints above to other modules. For example, on The Microprocessor Control is capable of displaying a number a NVC6000, Module #2 can be set to 34°F, Module #3 to 35°F of system parameters.
HI PRESS CO See Table 1 7.6.6 START MODES LOW PRESSURE CUTOUT LO PRESS CO See Table 1 Ingersoll Rand dryers are capable of starting in several start HIGH TEMPERATURE ALARM HITEMP ALRM 55 °F modes. LOW TEMPERATURE ALARM LOTEMP ALRM 30 °F...
8.0 INSTALLATION AND INITIAL START-UP 8.1 LOCATING EQUIPMENT WARNING The dryer should not be located in an area where the ambient Prior to attempting to remove the dryer from the delivery vehicle, read temperature is likely to exceed 113°F (45°C). The dryer should be the following section in its entirety.
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Be sure to check, as a minimum, the following: provided by Ingersoll Rand. Contact your local distributor to select the filter that best suits your filtration requirements. Note that all filters •...
8.0 INSTALLATION AND INITIAL START-UP • On the Main Power Enclosure, turn the Compressor Controller • “The suction pressure display will typically pull down between 50 Switch to MANUAL and 70 psig and the suction temperature reading will vary between 20°F and 40°F.
8.0 INSTALLATION AND INITIAL START-UP • After the alarm delay, provided the Chiller Temperature is NOTICE greater than the HIGH TEMPERATURE ALARM set point, After installation or a prolonged shutdown, start the dryer with no air the dryer’s modules will go into HIGH TEMPERATURE load (no air flow).
9.0 SCHEDULED MAINTENANCE 9.1 INTRODUCTION OPERATION & MAINTENANCE Ingersoll Rand multiple module refrigerated air dryers require little Filters manufactured to (CEN) EN286.1 are provided with a ½" BSPP maintenance. These dryers utilize hermetically sealed compressors female connection (1) to fit a pressure relief valve (if required).
Microprocessor Control shall control an electronic no-loss drain valve. A SHORT CYCLE DELAY SHT CYC DLY: value of “ON” will permit the Microprocessor Control to control the drain valve. A value of “OFF” will disable this feature. Ingersoll Rand dryers HIGH PRESSURE CUTOUT HPCO: See Table-1 are equipped with a no air loss drain as standard equipment.
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10.0 TECHNICIAN MODE The AUTO RESTART feature permits the dryer to operate once power 10.2 ALARM LIST is applied to the dryer without requiring operator intervention. This would At the end of the list of non-adjustable parameters, the Microprocessor be desirable should the user wish to have the dryer restart automatically Control displays a list of the most recent 20 alarm conditions.
11.0 TROUBLESHOOTING 11.1 INTRODUCTION Ingersoll Rand multiple module dryers are designed for reliable, trouble-free operation. In the event of any dryer malfunction, the guide below has been developed to facilitate problem identification and corrective actions. WARNING WARNING An air dryer always operates under pressure.
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11.0 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Apparent controller display malfunction. Blown Fuse Check Fuses Display Blank Board Failure Contact your local distributor for further assistance. Apparent controller display malfunction. Probe loose,off connection or defective probe Inspect probe cable and terminal connection Unrealistic temperature displayed Replace probe Apparent controller display malfunction.
15.0 ENGINEERING SPECIFICATIONS Overall dimensions indicated. Air INLET and OUTLET header centerline Overall dimensions indicated. remains consistent throughout the model Air INLET and OUTLET header centerline range. remains consistent throughout the Module number varies depending on model. model range. See last column in chart to identify modules Module number varies depending on model.
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