McGuire SPXFLOW FLEX Series Instruction Manual
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McGuire SPXFLOW FLEX Series Instruction Manual

Refrigerated type compressed air dryers
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MCGUIRE AIR COMPRESSORS INC
FLEX Series
Refrigerated Type Compressed Air Dryers
Models: DFX 8.1, DFX 12.5, DFX 15.1, DFX 20.1
F O R M N O . : 7 4 7 3 0 7 6
R E V I S I O N : 0 8 / 2 0 1 9
MCGUIRE AIR COMPRESSORS INC
R E A D A N D U N D E R S TA N D T H I S M A N UA L P R I O R TO O P E R AT I N G O R S E R V I C I N G T H I S P R O D U CT.
1-888-229-9999
I N S T R U CT I O N M A N UA L
1-888-229-9999

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  • Page 1 MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 I N S T R U CT I O N M A N UA L FLEX Series Refrigerated Type Compressed Air Dryers Models: DFX 8.1, DFX 12.5, DFX 15.1, DFX 20.1 F O R M N O . : 7 4 7 3 0 7 6 R E V I S I O N : 0 8 / 2 0 1 9 R E A D A N D U N D E R S TA N D T H I S M A N UA L P R I O R TO O P E R AT I N G O R S E R V I C I N G T H I S P R O D U CT.

  • Page 2: Table Of Contents

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 Contents INTRODUCTION ....................1 SAFETY ....................... 1 INSTALLATION ..................... 1 HOW IT WORKS ....................3 CONTROLLER ...................... 3 START-UP/OPERATION ..................4 MAINTENANCE ....................5 FIELD SERVICE GUIDE ..................6 ENGINEERING DATA ................... 7 DRAWINGS General Arrangement Model: DFX 8.1 ...................

  • Page 3: Introduction

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 INTRODUCTION Carefully read the following safety rules before proceed- ing with installation, operation or maintenance. The rules Compressed air is generated by compressing atmospheric are essential to ensure safe dryer operation. Failure to air of which contains moisture and other containments, into follow these rules may void the warranty or result in dryer high pressure air.
  • Page 4 MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 Ambient Air Temperature Drains Locate the dryer indoors where the ambient air temperature will Condensate must be drained from the dryer to prevent an influx be between 39°F (4°C) and 122°F (50°C). Intermittent operation into outlet air. The FLEX dryers are equipped with an automatic at ambient temperatures up to 122°F (50°C) will not damage the...

  • Page 5: How It Works

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 CONTROLLER Electrical Connections The controller provides ease of monitoring and operating Operation of dryers with improper line voltage constitutes status for Energy Savings (%), dryer operating time, refrigera- abuse and could affect the dryer warranty.

  • Page 6: Start-Up/Operation

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 Operation Check proper connection and support of compressed air lines to the dryer; check bypass valve system, if installed. To start the dryer, turn on the (a) dryer on/off switch. SLOWLY pressurize the dryer. The outlet valves of the dryer When the refrigeration compressor and the condenser fan should be closed to prevent flow through the dryer.

  • Page 7: Maintenance

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 MAINTENANCE The FLEX Dryer requires little maintenance for satisfactory opera- tion. Good dryer performance can be expected if the following routine maintenance steps are taken. General For continued good performance of your refrigerated dryer, all refrigeration system maintenance should be performed by a competent refrigeration mechanic.

  • Page 8: Field Service Guide

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 FIELD SERVICE GUIDE PROBLEM SYMPTOM POSSIBLE CAUSE REMEDY Water downstream of No discharge from no loss drain Drain valve failure or accumulation Dismantle drain valve: clean, repair or replace. dryer. valves. of dirt in drain valve strainer.

  • Page 9: Engineering Data

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 ENGINEERING DATA MODEL DFX 8.1 DFX 12.5 DFX 15.1 DFX 20.1 Air System Data Rated Air Flow at 100°F & 100 psig Inlet, 100°F Ambient (scfm) 1250 1500 2000 Minimum / Maximum Inlet Compressed Air Pressure 44 / 232 psig (3.0 / 16.0 barg)

  • Page 10: Model: Dfx 8.1

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: GENERAL ARRANGEMENT Figure 4A Model: DFX 8.1 DIMENSIONS, INCHES (MM) INLET/OUTLET WEIGHT MODEL CONNECTIONS Lb. (kg) 10.85 19.69 6.18 29.92 31.50 58.59 3.94 54.02 50.08 1133 DFX 8.1 3” ANSI Flange (276) (500) (157)

  • Page 11: Models: Dfx 12.5, Dfx 15.1

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: GENERAL ARRANGEMENT Figure 4B Models: DFX 12.5, DFX 15.1 DIMENSIONS, INCHES (MM) INLET/OUTLET WEIGHT MODEL CONNECTIONS Lb. (kg) 10.85 19.69 6.09 37.80 39.37 58.59 3.94 57.09 53.15 1537 DFX 12.5 4” ANSI Flange (276)

  • Page 12: Model: Dfx 20.1

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: GENERAL ARRANGEMENT Figure 4C Model: DFX 20.1 DIMENSIONS, INCHES (MM) INLET/OUTLET WEIGHT MODEL CONNECTIONS Lb. (kg) 10.85 19.69 6.09 37.80 39.37 58.59 3.94 63.78 59.84 2028 DFX 20.1 4” ANSI Flange (276) (500) (155)

  • Page 13: Electrical Schematic

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: ELECTRICAL SCHEMATIC Figure 5 N.C. COM. N.O. MCGUIRE AIR COMPRESSORS INC 1-888-229-9999...

  • Page 14: Model: Dfx 8.1

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: AIR AND REFRIGERANT FLOW SCHEMATIC Figure 6A Model: DFX 8.1 BRAZED PLATE HEAT EXCHANGER <REF-PCM-AIR> <AIR-AIR> TEMP. SENSOR3 EXPANSION DEVICE WETTED AIR INLET SEPARATOR FILTER DRIED AIR OUTLET MANUAL TEMP. SENSOR2 TEMP. SENSOR1 VALVE...

  • Page 15: Models: Dfx 12.5, Dfx 15.1, Dfx 20.1

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 DRAWINGS: AIR AND REFRIGERANT FLOW SCHEMATIC Figure 6B Models: DFX 12.5, DFX 15.1, DFX 20.1 BRAZED PLATE HEAT EXCHANGER TEMP. SENSOR3 REHEATER <AIR-AIR> DRIED AIR OUTLET WETTED AIR INLET BRAZED PLATE HEAT EXCHANGER CHILLER <REF-PCM-AIR>...

  • Page 16: Replacement Parts

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 REPLACEMENT PARTS DFX 8.1 DFX 12.5 DFX 15.1 DFX 20.1 Part Name Refrigerant Compressor 7439958 7439960 7472992 7472993 Condenser 7439967 7439967 7439967 7472994 Fan Motor 7439971 7472996 7472997 7472998 Fan Grill (Ext.) 7440000 7472999 7473000...

  • Page 17: Notes

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 NOTES MCGUIRE AIR COMPRESSORS INC 1-888-229-9999...
  • Page 18 MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 MCGUIRE AIR COMPRESSORS INC 1-888-229-9999...

  • Page 19: Warranty

    MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 WARRANTY The manufacturer warrants the product it manufactures, when properly installed, operated, applied, and maintained in accordance with procedures and recommendations outlined in manufacturer’s instruction manuals, will be free from defects in material or workmanship for a period as specified below, provided such defect is discovered and brought to the manufacturer’s attention within the aforesaid...
  • Page 20 MCGUIRE AIR COMPRESSORS INC 1-888-229-9999 FLEX Series Refrigerated Type Compressed Air Dryers Models: DFX 8.1, DFX 12.5, DFX 15.1, DFX 20.1 SPX FLOW 4647 S.W. 40th Avenue Ocala, Florida 34474-5788 U.S.A. P: (724) 745-1555 E: ft.dehydration.order.entry@spxflow.com www.spxflow.com/deltech Improvements and research are continuous at SPX FLOW, Inc.

This manual is also suitable for:

Spxflow flex dfx 8.1Spxflow flex dfx 12.5Spxflow flex dfx 15.1Spxflow flex dfx 20.1

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