Ultra-air UA201-10A, Installation, Operating And Maintanance Manual

Page 1: ...201 Series Refrigerated Air Dryer Models UA201 10 through UA201 2000 Installation Operating Maintenance Manual A Division of Numatics ...

Page 2: ...4A or R22 Service personnel must be certified to handle R134A and R22 and comply to all local state and federal regulations concerning refrigerant when per forming maintenance or service on this dryer Never operate this dryer above the maximum rated operat ing conditions Operating above specified conditions will result in inferior performance and could damage the unit and or cause personal injury ...

Page 3: ...cts refrigerated dryer from oil coating on interior walls as oil acts as an insulator and reduces the efficiency of the dryer 4 UA201 Series refrigerated air dryer Lowers compressed air dewpoint 5 Heavy duty coalescer 1 0 micron Drain Connections All separators on the UA201 models and prefilters on models UA201 125 and up are equipped with a timer actuated solenoid valve drain system Prefilters on...

Page 4: ... Refrigerated Dryers 201 Series Instruction Manual 3 Electrical Schematic Models UA201 10 through UA201 20 115V 1PH 60Hz Models UA201 25 through UA201 100 115V 1PH 60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL ...

Page 5: ...ir Refrigerated Dryers 201 Series Instruction Manual 4 Electrical Schematic continued Models UA201 125 UA201 150 115V 1PH 60Hz Models UA201 125 UA201 150 230V 1PH 60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL ...

Page 6: ...Ultra Air Refrigerated Dryers 201 Series Instruction Manual 5 Electrical Schematic continued Model UA201 200 230V 1PH 60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL ...

Page 7: ...Ultra Air Refrigerated Dryers 201 Series Instruction Manual 6 Electrical Schematic continued Models UA201 250 through UA201 2000 230V through 575V 3PH 60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL ...

Page 8: ...diagram 1 Compressor 2 Roto lock valve 2 3 Air cooled condensor 4 Liquid line filter 5 Thermo expansion valve 6 Heat exchanger 7 Suction line roto lock valve 8 Coalescing filter 9 Separator 10 Electronic drain valve 11 Suction line pressure gauge 12 Hot gas bypass valve 13 Receiver 14 Discharge pressure gauge 15 Liquid sight glass UA201 400 through UA201 2000 Air and refrigerant flow diagram 1 Com...

Page 9: ...alve feeds a small amount of high temperature gas from the high side directly into the air refrigerant heat exchanger to enable easier control of the dryer at light or no load conditions As the load increases the evaporator temperature and pressure begin to rise The increase of temperature causes the expansion to open and let more refrigerant into the evaporator As this occurs the increased pressu...

Page 10: ... at regular intervals Table 2 Model H P Water Water reg GPM connect City 75ºF Tower 85ºF 200 1 3 8 FPT 3 2 6 3 250 1 1 2 3 8 FPT 2 5 300 1 1 2 3 8 FPT 2 5 400 2 3 8 FPT 3 5 8 500 2 1 2 1 2 FPT 4 10 625 3 1 2 FPT 5 5 14 800 4 3 4 FPT 5 5 14 1000 5 3 4 FPT 8 5 22 1200 6 3 4 FPT 8 5 22 1600 9 1 FPT 14 35 1750 9 1 FPT 14 35 2000 9 1 FPT 14 35 REFRIGERATED AIR DRYER INSTRUCTION MANUAL Controls A High l...

Page 11: ...iped correctly and piping is supported correctly Do not use the dryer in and out connections as sup ports 4 Make sure condensate lines are run properly and to the correct locations 5 Set drain on and off times During periods of high humidity it is recommended that off time is decreased and on time is increased During periods of low humidity increase off time and decrease on time 6 Check that there...

Page 12: ...cessary to use a combination of acid and scale disolver For optimal performance it is important that the water cooled condenser be cleaned regularly ideally every 2000 hours of operation Auto Drain Information All UA 201 Series dryers 125 2000 models are equipped with two electronic auto drain valves One is connected to the prefilter the other is connected to the separator The open and close time ...

Page 13: ...uld restart automatically 4 condenser 4 Improve and ensure proper water flow and temp 5 Low voltage 5 Contact electrician for repair Compressor will not start 1 Compressor windings opened or shortened 1 Contact certified refrigeration mechanic for repair 2 Compressor burned out 2 Replace compressor 3 Internal mechanical failure 3 Contact certified refrigeration mechanic for repair High evaporator ...

Page 14: ...oard Warranty All UA201 Series standard refrigerated air dryers model UA201 10 through UA201 2000 manufactured by Ultra Air Products Inc are warranted to be free from defective materials and workmanship for a period of two years from date of shipment from Ultra Air s factory Said warranty covers all parts and labor this excludes routine preventative maintenance and adjustments In addi tion to the ...

Page 15: ...or becomes defective open or shorted or a temperature is out of range the corresponding display for that temperature will read Err Each temperature can be calibrated individually When switch 2 located on the back of the board is turned on it puts the dryer in calibrate mode causing the temperature display to flicker The mode select switch is used to select the temperature to be calibrated using th...

Page 16: ...DR MD50 5 30 DR MD50 5 30 DR MD50 60 5 30 DR MD50 5 30 DR MD50 60 5 30 Heat Exchanger HEX CD 117 AD HEX CD 125 AD HEX CD 125 AD HEX CD 145 AD HEX CD 226 AD HEX CD 234 AD HEX CD 234 AD HEX CD 234 AD HEX CD 234 AD REV DATE 2 26 03 UA201 125A UA201 125B UA201 150A UA201 150B UA201 200B UA201 250B UA201 250C 115 1 60 230 1 60 115 1 60 230 1 60 230 1 60 230 1 60 230 3 60 Part Description Part Number Pa...

Page 17: ...TE 2 26 03 UA201 400D UA201 400E UA201 500B UA201 500C UA201 500D UA201 500E UA201 625B UA201 625C 460 3 60 575 3 60 230 1 60 230 3 60 460 3 60 575 3 60 230 1 60 230 3 60 Part Description Part Number Part Number Part Number Part Number Part Number Part Number Part Number Part Number Condensing Unit SUB CU 22 4 2R SUB CU 22 4 2R SUB CU 28 1 2R SUB CU 28 3 2R SUB CU 28 4 2R SUB CU 28 4 2R SUB CU 36 ...

Page 18: ... FI F900H 20G FI F900H 20G FI F900H 24G FI F900H 24G FI F900H 24G FI F900H 24G FI F900H 24G FI F900H 24G Inlet Filter Element FRL EKF9020H FRL EKF9020H FRL EKF9024H FRL EKF9024H FRL EKF9024H FRL EKF9024H FRL EKF9024H FRL EKF9024H On Off Switch ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI ELE SI 65 88 PI Ref Discharge Guage GAG PR 2...

Page 19: ...18 REFRIGERATED AIR DRYER INSTRUCTION MANUAL Ultra Air Refrigerated Dryers 201 Series Instruction Manual Operator s Log ...

Page 20: ...Ultra Air Products 3309 John Conley Drive Lapeer MI 48446 phone 810 667 6800 fax 810 667 3902 www ultra air com 2002 Ultra Air Inc All rights reserved LT201DRYMAN 1 EAM10 02 xxx AP xx xx ...