Table of Contents
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Instructions/Parts
Dryaire Refrigerated
Air Dryers
To remove humidity from compressed air supply.
Models 6880, 6885, 6890, and 6895
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Contents
General Safety Information . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Schematics . . . . . . . . . . . . . . . . . . . . . . 10
Dimensions and Weights . . . . . . . . . . . . . . . . . . . . 12
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
310884D
ENG
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Summary of Contents for Sharpe 6880
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Page 1: Table Of Contents
Instructions/Parts Dryaire Refrigerated Air Dryers 310884D To remove humidity from compressed air supply. Models 6880, 6885, 6890, and 6895 Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Contents General Safety Information ....2 Installation . -
Page 2: General Safety Information
Instructions/Parts General Safety Information Piping connections Air Inlet CAUTION Connect compressed air line from air compressor to Pressurized Devices air inlet using strainer sup- This equipment is a pressure containing device. plied. • Do not exceed maximum operating pressure as Install strainer (included in shown on equipment serial number tag. -
Page 3: Electrical Connections
Instructions/Parts Electrical connections Serial Dryer is designed to operate on power supply (voltage) Number Ambient Air listed on serial number tag located on the back of the Filter dryer. Dryer is supplied with an electrical cord. Plug Air Inlet Install in receptacle of proper voltage. Connection NOTE: Models 6890 and 6895 (115V only) Strainer... -
Page 4: Operation
) 175 (12.3) 150 (10.6) (8.8) (7.0) NOTE: Installations above 6000 ft (1825 m) 6880 29 (0.82) 27 (0.76) 25 (0.71) 23 (0.65) Unit is adjusted to operate in altitudes up to 6000 ft 6885 41 (1.16) 38 (1.08) 35 (0.99) 32 (0.91) Model (1825 m). -
Page 5: Maintenance
Instructions/Parts Maintenance 1. Shut-off compressed air supply to the dryer and depressurize. 2. Remove top panel. CAUTION 3. Remove two screws holding side panel and remove side panel by sliding upward. Dryer is a pressure containing device. Depressurize 4. Disconnect drain tube from bulkhead fitting in cab- before servicing. - Page 6 Instructions/Parts 7. Reconnect drain tube to bulkhead fitting by push- ing tube into fitting until it locks in position. 8. Reinstall side and top panels. 9. Repressurize dryer and resume operation. Element o-ring Separator Element Bowl o-ring Wave Spring Drain Mechanism Hose Barb Tube...
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Page 7: Troubleshooting
DRYAIRE REFRIGERATED AIR DRYERS Troubleshooting Problem Cause Solution Water downstream of dryer. Residual free moisture remaining in down- Blow out system with dry air. stream pipelines. Air bypass system is open. Check valve positions. Inlet and outlet connections are reversed. Check for correct connection. - Page 8 DRYAIRE REFRIGERATED AIR DRYERS Problem Cause Solution Refrigeration system not functioning prop- erly When dryer on/off in on or “I” posi- Power failure. Check power to unit. tion Line disconnect switch open. Close disconnect switch. Blown fuses, open breaker. Check for continuity. Faulty wiring, loose terminals.
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Page 9: Specifications
DRYAIRE REFRIGERATED AIR DRYERS Specifications Models 6880 through 6895 Description Model 6880 6885 6890 6895 Operating Conditions Rated Capacity scfm 60/50 hz 25/21 35/27 50/50 75/61 60/50 hz 0.71/0.59 0.99/0.76 1.42/1.42 2.12/1.7 @ 125 psig (8.8 kgf/cm /min. Maximum Working Pressure 175 psig (12.3 kgf/cm... -
Page 10: Electrical Schematics
DRYAIRE REFRIGERATED AIR DRYERS Electrical Schematics All Models - All Voltages Only Models 6890 and 6895 - 115-1-50/60 Only Models 6890 and 6895 - 115-1-50/60 LEGEND On/Off Switch OLT Thermal Overload Compressor Motor Run Capacitor HTS High Temperature Switch Fault Light FPS Fan Pressure Switch Fan Motor Terminal Block... - Page 11 Instructions/Parts Electrical Schematics...
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Page 12: Dimensions And Weights
DRYAIRE REFRIGERATED AIR DRYERS Dimensions and Weights Models 6880 and 6885 10 1/8 in. 257 mm 1/4 in. 6 mm Model Weight 6880 80 lbs (36 kg) Air Flow 6885 81 lbs (37 kg) 5 1/16 in. 128 mm 28 1/4 in. - Page 13 DRYAIRE REFRIGERATED AIR DRYERS Models 6890 and 6895 16 7/8 in. 425 mm 1/4 in. 6 mm Model Weight 6890 150 lbs (68 kg) Air Flow 6895 155 lbs (70 kg) 8 7/16 in. 213mm 36 3/4 in. Fault 933 mm Indicator Light On/Off...
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Page 14: Parts List
4460.233.4 Grommet (light and switch, front panel) 9320.302.11 9320.302.11 9320.302.11 9320.302.11 Foot, mounting 9330.230.2 9330.230.2 9330.230.2 9330.230.2 * Maintenance kits for the above models are available. Maintenance Kits For Dryer Models Kit Number 6880, 6885 RDMK4B 6890 RDMK6B 6895 RDMK5B... - Page 15 DRYAIRE REFRIGERATED AIR DRYERS...
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Page 16: Warranty
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