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Table of Contents
- 1 Receiving and Inspection
- 2 Installation
- 3 Recommended Installation
- 4 Drain Connections
- 5 Electrical Requirements
- 6 Electrical Schematic
- 7 Load Control
- 8 General Information
- 9 Water Cooled Models
- 10 Air Cooled Models
- 11 Initial Startup Procedures
- 12 Shutdown Procedures
- 13 Troubleshooting
- 14 Warranty
- 15 Standard Control Panel
- 16 Electronic Control Panel
- Download this manual
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Table of Contents
Related Manuals for Ultra-air UA201-10A
Summary of Contents for Ultra-air UA201-10A
- Page 1 A Division of Numatics 201 Series Refrigerated Air Dryer Models UA201-10 through UA201-2000 Installation, Operating, & Maintenance Manual...
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Page 2: Receiving And Inspection
Please read this manual carefully before locating and installing your dryer. Any questions or problems not covered herein may be directed to your Ultra-Air distributor or to Numatics Air Preparation Group, 3309 John Conley Drive, Lapeer, MI 48446, or by phone at (810)667-6800 or fax at (810)667-3902. Before call- ing, be sure to have the model and serial numbers available. -
Page 3: Recommended Installation
201 Series Instruction Manual Ultra Air Refrigerated Dryers Installation (continued) condenser with a resulting increase in workload on the refrigeration compressor. This can conceivably reduce the life of the equipment and hinder its operation. Dryers operating in ambients lower than 40ºF ambient must be ordered with a low ambient control option. -
Page 4: Electrical Schematic
201 Series Instruction Manual Ultra Air Refrigerated Dryers 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 5 201 Series Instruction Manual Ultra Air Refrigerated Dryers 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 6 201 Series Instruction Manual Ultra Air Refrigerated Dryers Electrical Schematic (continued) Model UA201-200, 230V-1PH-60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL...
- Page 7 201 Series Instruction Manual Ultra Air Refrigerated Dryers Electrical Schematic (continued) Models UA201-250 through UA201-2000, 230V through 575V-3PH-60Hz REFRIGERATED AIR DRYER INSTRUCTION MANUAL...
- Page 8 201 Series Instruction Manual Ultra Air Refrigerated Dryers UA201-10 through UA201-75 Air and refrigerant flow diagram Compressor Discharge roto lock valve Air cooled condensor Liquid line filter Automatic expansion valve Heat exchanger Suction line roto lock valve Coalescing filter with auto drain Separator 10 Electronic drain valve 11 Suction line pressure gauge...
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Page 9: Load Control
201 Series Instruction Manual Ultra Air Refrigerated Dryers 201 Dryer Circuit Flow Diagram There are two (2) basic sections, commonly referred to as the high and low pressure sections, in a refrigeration circuit. The high side begins at the refrigerant compressor discharge port and ends at the expansion valve. The circuit leaving the expansion valve through the air to refrigerant heat exchanger and up to the compressor suction port is known as the low pressure circuit. -
Page 10: Water Cooled Models
201 Series Instruction Manual Ultra Air Refrigerated Dryers Controls A. High-low refrigerant cut-out switch (models 100-2000) High side setting: R22 - 350 cut-out, Low side setting: R22 - 50 cut-out Cut out switch senses high and low refrigerant pressure at refrigerant compressor inlet and outlet ports. B. -
Page 11: Air Cooled Models
(3 valve bypass is option offered 5. Set drain ‘on’ and ‘off’ times. During periods of by Ultra-Air). high humidity it is recommended that ‘off’ time is 12. Press the rocker switch to “on” position. The decreased and ‘on’... - Page 12 201 Series Instruction Manual Ultra Air Refrigerated Dryers Air Cooled Condenser Maintenance Procedures Air cooled condensers may be cleaned by blowing clean with a compressed air blow gun or by low pres- sure steam cleaning. Steam cleaning may be necessary for heavy deposits. Do not use wire brushes as this may bend the fins, causing leaks.
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Page 13: Troubleshooting
201 Series Instruction Manual Ultra Air Refrigerated Dryers Troubleshooting Problem: Liquid moisture downstream of dryer Symptom Possible cause Solution Inlet air temperature 1. Aftercooler failure 1. Clean/repair aftercooler too high 2. Aftercooler outlet temperature above 2. Check size and capacity against actual conditions 120ºF (49ºC) Drain not draining 1. -
Page 14: Warranty
201 Series Instruction Manual Ultra Air Refrigerated Dryers Problem: Drain valve not discharging moisture (continued) Symptom Possible cause Solution No response to drain 1. No electrical power 1. Check power supply and connections test button 2. Timer board malfunction 2. Replace timer board Problem: Float drain will not seal Symptom Possible cause... -
Page 15: Electronic Control Panel
201 Series Instruction Manual Ultra Air Refrigerated Dryers Electronic Control Panel The electronic control panel displays four different temperatures, allows the user to set and monitor the timing of the drain valves, and controls the on/off operation of the compressor. The control panel operates on 10V AC The displayable temperatures are evaporator temp., refrigeration suction temp., ambient temp., and inlet air temp. - Page 16 REV. DATE: 2-26-03 201 Series Refrigerated Dryer Model Numbers UA201-10A UA201-20A UA201-25A UA201-45A UA201-55A UA201-75A UA201-75B UA201-100A UA201-100B 115/1/60 115/1/60 115/1/60 115/1/60 115/1/60 115/1/60 230/1/60 115/1/60 230/1/60 Part Description Part Number Part Number Part Number Part Number Part Number Part Number...
- Page 17 REV. DATE: 2-26-03 201 Series Refrigerated Dryer Model Numbers UA201-250D UA201-250E UA201-300B UA201-300C UA201-300D UA201-300E UA201-400B UA201-400C 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-18-4-2R...
- Page 18 REV. DATE: 2-26-03 201 Series Refrigerated Dryer Model Numbers UA201-625D UA201-625E UA201-800B UA201-800C UA201-800D UA201-800E UA201-1000B UA201-1000C 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-36-4-2R...
- Page 19 201 Series Instruction Manual Ultra Air Refrigerated Dryers Operator's Log REFRIGERATED AIR DRYER INSTRUCTION MANUAL...
- 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...