Table of Contents
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IMPORTANT: READ THIS MANUAL CAREFULLY. IT
CONTAINS INFORMATION ABOUT SAFETY AND THE
SAFETY OF OTHERS. ALSO BECOME FAMILAR WITH
THE PROPER INSTALLATION AND CONTROLS OF THE
AIR DRYER BEFORE OPERATING. ONLY QUALIFIED,
TRAINED AND LISCENSED PERSONAL SHOULD
SERVICE OR OPERATE THIS EQUIPMENT. RECORD
THE INFORMATION BELOW AND SAVE THIS MANUAL.
IF SERVICE IS NEEDED THE INFORMATION BELOW
WILL BE NEEDED.
CAUTION:THIS MACHINE CONTAINS HIGH PRESSURE
GAS AND ELECTRICITY.
NOTE: Please record the information below and keep this manual. If you need service on this dryer
you will need this information.
Model #_____________________________
Serial #______________________________
Voltage______________________________
Purchased from:______________________________________________________________
Owners Manual
UA & MHT Series
Refrigerated Air Dryer
DESCRIPTION
SHUTDOWNS
PAGE
2
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Table of Contents
Related Manuals for Altec AIR UA Series
Summary of Contents for Altec AIR UA Series
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Page 1: Table Of Contents
MAINTENANCE PROCEDURES HOW THE AIR DRYER WORKS DESCRIPTION OF COMPONENTS TROUBLE SHOOTING GUIDE TECHNICAL SPECIFICATION 11-14 DATA LABEL—UA SERIES DATA LABEL—MHT SERIES IMPORTANT: READ THIS MANUAL CAREFULLY. IT ELECTRICAL SCHEMATICS 17-20 CONTAINS INFORMATION ABOUT SAFETY AND THE SERVICE LOG SAFETY OF OTHERS. ALSO BECOME FAMILAR WITH... -
Page 2: Introduction
If the gauges read 0 PSIG, STOP. Do not start the dryer. Contact Altec AIR or your local distributor for service. This could mean there is a leak in the refrigeration system. Data Label ... -
Page 3: Installation
110°F. For installations with ambient temperatures higher than 110°F it is recommended to use a water-cooled condenser on the dryer. Contact Altec AIR or your local distributor for details INLET & OUTLET CONNECTIONS Do not mix the air inlet and outlet air flow. -
Page 4: Installation Guide
INSTALLATION GUIDE (1) Air Compressor (6) AC Series XA After filter (2) ADF Series Drain Valve (7) 3 Valve Bypass (3) Air Receiver Tank (8) UA/MHT Series non-cycling air dryer (4) AC Series X5 Pre-filter (9) AW Series Water Separator (5) AC Series X1 Pre-filter (10) Centrifugal separator INSTALLATION A: Recommended for systems that consume less than or equal to the maximum capacity... -
Page 5: Dryer Controls & Saftey
DRYER CONTROLS ON/OFF Switch – Turns the refrigerant compressor and dryer ON. Dryer ON Light – Indicates the air dryer is turned on and operating. Integrated into ON/OFF Switch Refrigerant Suction Pressure Gauge - Displays refrigeration system low side (Evaporator) pressure. (Installed on UA75/MHT40 and above) Refrigerant Discharge Pressure Gauge - Displays refrigeration system high side pressure. -
Page 6: Start Up
START UP The following procedure must be followed to start your air dryer. Failure to follow this start up proce- dure will void your warranty. If problems occur during start up, contact Altec AIR or your local distribu- tor. Turn the ON/OFF switch to the OFF position. -
Page 7: Initial Run Procedure
After the air dryer is turned ON, the suction pressure should DECREASE (pull down) instantly. If the suction pressure does not pull down TURN OFF THE AIR DRYER IMMEDIATELY and contact your local distributor or Altec AIR for assistance Check the Refrigerant Suction Pressure (on Gauge UA75/MHT40 and above): R134a dryers. -
Page 8: Maintenance Procedures
DRYER FAILURE DUE TO A DIRTY CONDENSER IS NOT COVERED UNDER WARRANTY HOW THE AIR DRYER WORKS - UA/MHT SERIES UA Series refrigerated compressed air dryers use refrigeration cooling to condense entrained moisture out of the compressed air stream. Warm saturated air enters the air-to-air heat exchanger at the dryer inlet. In the air –to- air heat exchanger the inlet air is pre-cooled by the outgoing cold air. -
Page 9: Description Of Components
DESCRIPTION OF COMPONENTS - UA/MHT SERIES HEAT EXCHANGER MODULE - The compact aluminum module contains the air to air heat exchanger, the air to refrigerant heat exchanger and the stainless steel mesh condensate separator. REFRIGERANT COMPRESSOR – The main function of the compressor is to circulate the refrigerant. The compressor pumps refrigerant to the other components in the system so they can perform heat transfer functions. -
Page 10: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE Problem Cause Solution Bypass valve not completely open Open completely Excessive pressure loss in sys- Pipe diameter to small Increase diameter Piping system has to many tie ins Redesign pipe system Leaks in piping system Fix leaks In line filter element clogged Replace filter element. -
Page 11: Technical Specification
TECHNICAL SPECIFICATIONS UA20 UA25 UA40 UA55 MHT25... - Page 12 UA75 UA100 UA125 UA150 UA200-1,2 MHT40 MHT60 MHT75 MHT100 MHT130-1,2 UA200-3,4,5 MHT130-3,4,5...
- Page 13 UA250 UA300 MHT150 UA400 UA500 UA625 MHT200...
- Page 14 UA800 UA1000 UA1200 UA1600 UA2000...
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Page 15: Data Label-Ua Series
DATA LABEL—UA Series Note - Data below is for reference only and is subject to change. Please refer to the label on your unit for the most up to date information. -
Page 16: Data Label-Mht Series
DATA LABEL—MHT Series Note - Data below is for reference only and is subject to change. Please refer to the label on your unit for the most up to date information... -
Page 17: Electrical Schematics
ELECTRICAL SCHEMATICS UA20A; UA25A; UA40A; UA55A MHT25A UA75A; UA100A; UA125A MHT40A; MHT60A; MHT75A UA150A; UA200A; UA250A; UA300A MHT100A; MHT130A; MHT150A... - Page 18 ELECTRICAL SCHEMATICS UA200A UA250A UA300A MHT130A MHT150A...
- Page 19 ELECTRICAL SCHEMATICS UA400A UA500A UA625A UA800A UA1000A UA1200A MHT200A...
- Page 20 ELECTRICAL SCHEMATICS UA1600A UA2000A...
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Page 21: Service Log
SERVICE LOG DATE INLET AMBIENT INLET INLET CONDENSER DRAIN VOLTAGE SCFM (1) TEMP (2) TEMP (3) PSIG (4) CLEAN (5) CLEAN (6) DRAW (7) Check actual inlet SCFM to rated capacity. Check actual ambient temp to rated temp. Check actual inlet temp to rated inlet temp. Check actual inlet psig to rated inlet psig. -
Page 22: Contact Info
226A COMMERCE ST. BROOMFIELD, CO 80020 1-800-521-5351 303-657-2205 sales@AltecAIR.com www.AltecAIR.com NOTES:...
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