Related Manuals for Pneumatech AD-1500
Summary of Contents for Pneumatech AD-1500
- Page 1 CYCLING EFRIGERATED RYER Owner’s Manual Printed in U.S.A. Publication No. OM-A-75 March 2006 Rev. 4...
- Page 2 To receive Extended Warranty, you must regis- ter on line at: www.pneumatech.com. Doing this will extend the warranty to 24 months from date of shipment from Company’s factory. See back page for actual Warranty details. DATE OF PURCHASE MODEL SERIAL NO.
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Page 3: Table Of Contents
TABLE OF CONTENTS Page General Information ............Inspection . -
Page 4: General Information
GENERAL INFORMATION The Pneumatech Air Drying System is designed to cool USE SUITABLE PARTS & ACCESSORIES and remove moisture from compressed air. Do not use air pressurized accessories or parts in the air system not suitable for the maximum air pressure. -
Page 5: Installation Instructions
INSTALLATION INSTRUCTIONS FIGURE 1 — COMPRESSED AIR SYSTEMS RECOMMENDED INSTALLATION FLOW DIAGRAM Pub. No. OM-A-75 REV. 4 — March 2006... - Page 6 Install the dryer INDOORS in an area where the Float type auto drains are installed on dryer models ambient temperature will be above 55°F and below AD-10 through AD-50. For models AD-75 through 100°F. Temperatures below 55°F and above 100°F AD-3200 electronic timer operated drains are may cause erratic operation of the air dryer.
- Page 7 Connect electric power, according to the wiring diagram and nameplate power requirements, to the electrical terminals. The refrigerated dryer is designed to run continuously; therefore, it must be SCROLL COMPRESSOR wired separately from the air compressor cycling switch. The dryer must not cycle with the air Air dryers with a scroll compressor are uni- compressor.
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Page 8: Start-Up And Operation
START-UP AND OPERATION The non-cycling design of the refrigerated dryer assures proper dew point control at all load conditions. The refrigerant compressor runs continuously when the dryer is “ON”. All dryers are installed with fan cycling switches. These fans will cycle with respect to the load changes, STARTING THE DRYER WITHOUT ENERGIZING ambient temperature fluctuations, and the cleanliness of THE CRANKCASE HEATER WILL CAUSE PREMA-... -
Page 9: Operating Range And Control Settings
Consult factory for pressure switch settings on dryers any malfunction is noticed on the expansion valve, equipped with optional Low Ambient Headmaster control. contact the factory or your Pneumatech distributor. Allow 10 to 15 minutes of cooldown time before DIGITAL DRY GUARD™ (DDG) adding the compressed air load. - Page 10 Please read the maintenance section or contact your Pneumatech dealer. In SERVICE DUE mode, Press UP ( ↑ ) or DOWN ( ↓ ) arrow keys to change the several functions relating to the accumulated run time can settings.
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Page 11: Shutdown Procedure
To enter the SERVICE DUE mode (and view the accumulated run time) press SELECT, UP ( ↑ ) and DOWN ( ↓ ) keys simultaneously. The display will show the accumulated run time in tens of hours. If the display reads 50, for example, the accumulated run time is 500 hours. -
Page 12: Maintenance
MAINTENANCE AIR DRYER MAINTENANCE To back-flush, disconnect air dryer, plug the drain line and fill the air system with the detergent water solution. Hold it The dryer is factory tested before shipping. All controls are for 4-6 hours. Circulate the detergent from air outlet to air calibrated for automatic operation. - Page 13 Drain Valve Clean Up Procedure Recommended Operation and Maintenance for the Particle Strainer Depressurize the drain valve. The particle strainer should be cleaned once every week Disconnect the power source. or as needed. Remove the valve from the compressed air system. Close the shut-off valve on the particle strainer.
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Page 14: Compressor
COMPRESSOR HOT GAS BYPASS VALVE Refrigerant compressors normally do not need any Model AD-10 and larger air dryers come equipped with maintenance. The compressor will unload or adjust for modulating hot gas bypass valves. This valve maintains different load conditions with the refrigeration controls. the refrigerant suction pressure in varying load conditions. - Page 15 FIGURE 6 — FLOW DIAGRAM Pub. No. OM-A-75 REV. 4 — March 2006...
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Page 16: Refrigerated Air Dryer Service Checklist
REFRIGERATED AIR DRYER SERVICE CHECKLIST Please get answers to as many questions as you can before writing or calling for service. Customer’s Name ____________________________________________________________________________________ Phone no. ____________________________________ Fax no. ____________________________________________ Model no.____________________________________ Serial no. ___________________________________________ Voltage L1 ___________ L2 _________________ L3 _______________ PH ______________ HZ ______________ Amp draw L1 ___________________________ L2 _______________________ L3 __________________________... -
Page 17: Troubleshooting
TROUBLESHOOTING The following conditions can cause abnormal operation or malfunction of the air dryer • High inlet air temperatures • Low inlet air pressures • High cooling water inlet temperatures • Contaminated cooling water • Untreated cooling water • Condenser water pressure below 35 PSIG •... - Page 18 Table 1 — Troubleshooting Guide, continued Symptoms Cause Remedy D. Compressor starts and runs – short 1. Low voltage, or phase unbalance. 1. Check voltage to be within ±10% cycles on overload. of voltage listed on name plate. 2. Additional current going thru 2.
- Page 19 Table 1 — Troubleshooting Guide, continued Symptoms Cause Remedy M. Top condenser coils cool when unit 1. Refrigerant shortage. 1. Repair leak and recharge. in operation. 2. Compressor inefficient. 2. Repair or replace. N. Unit runs but air temperature is 1.
- Page 20 LIMITED WARRANTY Warranties and Limitation of Liability : Pneumatech (“the Company”) warrants that it will, in its sole discretion, either repair or replace Products and/or Components of Products sold by it which have defects in material or workmanship (covering Components and reasonable labor) provided: (a) Customer notified the Company of any claim of defect in material or workmanship within fourteen (14) months from date of shipment from the Company’s factory or twelve (12) months from the date of initial operation of Product, whichever occurs...
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