Aircel DHT-100 Installation And Operation Manual Download Page 8 | Manualshive

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Aircel DHT-100 Installation And Operation Manual Download Page 8

8

air inlet

air outlet

separation cell

air to refrigerant
heat exchanger

refrigerant
inlet

air

refrigerant

refrigerant outlet

exiting air

incoming air

stainless steel mist eliminator

pre-cooler / heater

Typical Schematic Flow Diagram (40 - 125 scfm rated models)

Aircel DHT Series - Models 20 - 125

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Summary of Contents for DHT-100

Page 1: ...advise of safety precautions and or standard practices Obey these signal words as defined below DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious...

Page 2: ...ulted before installing to verify local codes and installation procedures In the absence of such codes install unit according to the National Electric Code NFPA No 70 latest edition A qualified instal...

Page 3: ...njury Shut Down Procedures 15 Shut Down Emergency 15 Short Term Shut Down 15 Service Information 16 Maintenance 16 Troubleshooting 18 Electrical 18 Refrigeration 18 Condensate Removal 19 Other 19 Trou...

Page 4: ...4 Refrigerated Dryer Serial Plate Label For Mfg Personnel Affix Label Here if Data Sheet on pg 3 was not completed Aircel DHT Series Models 20 125...

Page 5: ...n Skin Eye Irritant Use proper safety and protective equipment including chemical safety goggles or face shield and impervious gloves when handling refrigerants Exercise care to ensure that liquid ref...

Page 6: ...he air to refrigerant heat exchanger where air temperature is lowered to the 48 to 50 F range This dramatic temperature drop condenses water and oil The mixture of cold air and condensation then flows...

Page 7: ...ger where it is pre cooled by outgoing air from the air to refrigerant heat exchanger This energy saving heat exchanger provides several advantages such as a reduction of the heat load imposed on the...

Page 8: ...o refrigerant heat exchanger refrigerant inlet air refrigerant refrigerant outlet exiting air incoming air stainless steel mist eliminator pre cooler heater Typical Schematic Flow Diagram 40 125 scfm...

Page 9: ...ion it is recommended that immediately upon receipt of the unit the system is checked for the following 1 Inspect unit on delivery 2 Report any damage to the delivery carrier 3 Request a written inspe...

Page 10: ...lugs and frame only Do not lift by piping Installation Codes and Procedures WARNING Follow proper lock out tag out procedures before performing service or maintenance work Electrical installation must...

Page 11: ...proper operation at the conditions noted on the serial plate label 5 Provide adequate power supply See Rating and Specification information section Make all electrical connections to the dryer as sho...

Page 12: ...12 Typical Installation Aircel DHT Series Models 20 125 Typical Installation...

Page 13: ...and retest all leaks 7 Verify that all instrumentation pressure gauge s and drain air tubing fittings are tight 8 Ensure that the air system has come up to full pressure and has filled the high inlet...

Page 14: ...the timer should be adjusted to open the drain solenoid just long enough to discharge the accumulated condensate Set the timer so that only air discharges at the end of the open period Recommended in...

Page 15: ...Procedures Shut Down Emergency The high inlet temperature series refrigerated air dryer system can be shut down under any conditions and at any time by turning the unit off at the dryer or at the mai...

Page 16: ...prior to performing any maintenance activity on the dryer Daily With the dryer on line Verify the operating pressure temperature and flow rate are correct and conform to those listed in the Rating and...

Page 17: ...e O ring is not secured important 3 The same procedure applies when removing the filter separator for changing the element if applicable Hot Gas By Pass Adjustment Check the refrigerant suction pressu...

Page 18: ...aker fuse disconnect to determine if there is electrical power to the unit A quick check should determine if the power switch is turned on and the unit is running After determining that the power is s...

Page 19: ...ipped with automatic drain override switch push manual override button to test drain flow Ensure automatic electronic timer if applicable is functioning properly Ensure moisture separator and coalesce...

Page 20: ...r system not working properly or not working Refrigeration compressor stopped due to plugged or dirty condenser coil Clean condensing coil and ensure adequate ventilation of unit Refrigeration compres...

Page 21: ...hin 8 12 of rating on data plate Low water flow or pressure to water cooled condenser Check water flow and or pressure and adjust according to specifications Defective fan control cycling switch Repla...

Page 22: ...beams loosened during shipping Check all screws and bolts on dryer system and tighten Loose mounting bolts bent fan blade or worn bearings on condenser fan motor Tighten bolts straighten or replace fa...

Page 23: ...lower ambient temperature Compressed air temperature entering the refrigeration dryer is too high Check compressed air inlet temperature to ensure it is within the operating parameters listed in the D...

Page 24: ...Low refrigerant suction pressure suction gauge reading out of range and or refrigeration compressor covered with ice Refrigeration circuit hot gas bypass valve out of adjustment or defective Contact...

Page 25: ...000 NIOSH REL TWA 1000 DFG MAKs TWA 1000 PEAK 2 MAK 15 min average value 1 hr interval DFG MAK Pregnancy Risk Classification C Carcinogenicity TLV A4 Trichlorofluoromethane Freon 11 75 69 4 0 2 0 NE 1...

Page 26: ...fect after over exposure to this gas mixture must be taken for medical attention Rescuers should be taken for medical attention if necessary Take a copy of the label and the MSDS to physician or other...

Page 27: ...act with other compounds in the heat of a fire MATERIALS WITH WHICH SUBSTANCE IS INCOMPATIBLE Titanium will burn in Nitrogen a main component of this gas mixture Lithium reacts slowly with Nitrogen at...

Page 28: ...have not been determined for the components of this gas mixture 12 ECOLOGICAL INFORMATION ENVIRONMENTAL STABILITY The gas will be dissipated rapidly in well ventilated areas 1 1 2 Trichloro 1 1 2 tri...

Page 29: ...1 1 2 trifluoro ethane Rhode Island Hazardous Substance List Trichlorofluoromethane Dichlorodifluoromethane Oxygen Texas Hazardous Substance List Trichlorofluoromethane Dichlorodi fluoromethane 1 1 2...

Page 30: ...30 Wiring Diagram SCFM Rated 20 to 50 Models 1 Phase 120 Volt 60 Hz Aircel DHT Series Models 20 125...

Page 31: ...High Inlet Temperature Refrigerated Air Dryer 31 Wiring Diagram SCFM Rated 75 to 100 Models 1 Phase 120 Volt 60 Hz...

Page 32: ...32 Wiring Diagram SCFM Rated 125 Model 1 Phase 208 230 Volt 60 Hz Aircel DHT Series Models 20 125...

Page 33: ...33 Service Notes Date Service Performed Notes High Inlet Temperature Refrigerated Air Dryer...

Page 34: ...34 Service Notes continued Date Service Performed Notes Aircel DHT Series Models 20 125...

Page 35: ...Service Notes continued Date Service Performed Notes 35 High Inlet Temperature Refrigerated Air Dryer...

Page 36: ...orrosion lack of proper maintenance incorrect installation modification or misapplication of equipment Routine maintenance or adjustment required under normal operation as outlined in the Aircel opera...

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