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Non-Cycling
Refrigerate
Air Dryers
Installation & Operation
Maintenance
Manual
Models
CNCM10
CNCM18
.
CNCMIOM 01-02 Rev. REL
Model Number:
Serial Number:
FILL IN COMPLETELY AT INSTALLATION
Coaire Technologies Corporation
12226 Coast Drive, Whittier, CA 90601 ◊ TEL.(562)463-3935 ◊ (562)463-4928
website: www.coaire.com ■ e-mail: sales@coaire.com/support@coaire.com
Printed in U.S.A.
FORM CM-AD03
FEB. 2002
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Table of Contents
Summary of Contents for Coaire CNCM10
- Page 1 CNCM10 CNCM18 CNCMIOM 01-02 Rev. REL Model Number: Serial Number: FILL IN COMPLETELY AT INSTALLATION Coaire Technologies Corporation 12226 Coast Drive, Whittier, CA 90601 ◊ TEL.(562)463-3935 ◊ (562)463-4928 website: www.coaire.com ■ e-mail: sales@coaire.com/support@coaire.com Printed in U.S.A. FORM CM-AD03 FEB. 2002...
- Page 2 STATEMENT OF WARRANTY TERMS & CONDITIONS COAIRE’s refrigerated air dryers are warranted to be free of defects in materials and workmanship under proper use, installation, and application. This warranty shall be for a period of 15 months from date of shipment from our factory or other stocking facilities or 12 months from date of installation.
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Page 3: Table Of Contents
Connection to the Main Power Condensate Drain START UP Preliminary Operations Initial Start Up Operation and Shut-down TECHNICAL SPECIFICATIONS Technical Specifications -CNCM10 & CNCM18 (115/1/60) Technical Specifications- CNCM10 & CNCM18 (230/1/60) TECHNICAL DESCRIPTION Operation Flow diagram Refrigeration Compressor Condenser Filter Drier... - Page 4 1.1 DEFINITION OF THE SAFETY SYMBOLS Carefully read instruction manual before attempting any service or maintenance procedures on the dryer. Caution warning sign. Risk of danger or possibility of damage to equipment, if related text is not followed properly. Electrical hazard. Warning message indicates practices or procedures that could result in personal injury or fatality if not followed correctly.
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Page 5: Warnings
1.2 WARNINGS Compressed air is a highly hazardous energy source. Never work on the dryer with pressure in the system. Never point the compressed air or the condensate drain outlet hoses towards anybody. The user is responsible for the proper installation of the dryer. Failure to follow instructions given in the “Installation” chapter will void the warranty. -
Page 6: Installation Site
2.2 INSTALLATION SITE Failure to install dryer in the proper ambient conditions will affect the dryer’s ability to condense refrigerant gas. This can cause higher loads on the compressor, loss of dryer efficiency and performance, overheated condenser fan motors, electrical component failure and dryer failure due to the following: compressor loss, fan motor failure and electrical component failure. -
Page 7: Connection To The Compressed Air System
2.4 CONNECTION TO THE COMPRESSED AIR SYSTEM Operations to be performed by qualified personnel only. Never work on compressed air piping under pressure. The user is responsible to ensure that the dryer will never be operated with pressure exceeding the maximum pressure rating on the unit data tag. -
Page 8: Start Up
3.1 PRELIMINARY OPERATION Verify that the operating parameters match with the nominal values reported on the data nameplate of the dryer (voltage, frequency, air pressure, air temperature, ambient temperature, etc.). This dryer has been thoroughly tested, packaged and inspected prior to shipment. Nevertheless, the unit could be damaged during transportation, check the integrity of the dryer during initial start-up and monitor operation during the first hours of operation. -
Page 9: Technical Specifications
1-Rocker On/Off Switch-Illuminated .375 2-Power Supply Cord 1.00 3-Condensate Drain .562 D R Y E R M O D E L CNCM10 CNCM18 Air flow rate at nominal condition 1 [scfm] [Nl/min] [Nm 3 /h] Pressure DewPoint at nominal condition 1 38 –... - Page 10 1-Rocker On/Off Switch-Illuminated .375 2-Power Supply Cord 1.00 3-Condensate Drain .562 D R Y E R M O D E L CNCM10 CNCM18 Air flow rate at nominal condition 1 [scfm] [Nl/min] [Nm 3 /h] Pressure DewPoint at nominal condition 1 38 –...
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Page 11: Operation
During those periods when the compressed air load is reduced the excess refrigerant is by- passed automatically back to the compressor via the hot gas by-pass valve circuit. 5.5 AIR/REFRIGERANT FLOW DIAGRAM CNCM10-CNCM18 Refrigeration compressor... -
Page 12: Refrigeration Compressor
5.3 REFRIGERATION COMPRESSOR The refrigeration compressor is the pump of the system where the gas coming from the evaporator (low pressure side) is compressed up to the condensation pressure (high pressure side). The compressors utilized are manufactured by primary companies and are designed for applications where high compression ratios and wide temperature changes are present. -
Page 13: Condensate Separator
5.10 CONDENSATE SEPARATOR The cold air exiting the evaporator circulates into the centrifugal type condensate separator. By means of a winged diaphragm, the incoming air attains a high-speed rotary motion. Therefore, due the centrifugal force, the condensed particles are projected onto the lateral surface and then migrate to the bottom, which acts as an accumulation reservoir for the separated condensate and is expelled by the drain solenoid valve at regular intervals. -
Page 14: Electric Schematic -Cncm10 & Cncm18
5.21 ELECTRICAL SCHEMATIC CNCM10 & CNCM18 DMC5 Air Dryer Controller PROBE Sonde Legend: IG : Rocker On/Off switch VC : Condenser fan motor K : Refrigeration compressor PR : DMC5 probe KR : Compressor start-up relay EVB : Hot gas by-pass solenoid valve... -
Page 15: Replacement Parts
6.2 REPLACEMENT PARTS = Suggested spare part. D E S C R I P T I O N P a r t N u m b e r C N C M 1 0 C N C M 1 8 C N C M 1 0 C N C M 1 8 1 1 5 / 1 / 6 0... - Page 16 restore the normal conditions. The ambient temperature is too high or the room ventilation is insufficient - provide proper ventilation. The set-point of the DMC5 is too high - see paragraph SET-UP of the DMC5. The condenser is dirty - clean it. The dryer doesn’t drain the condensate - see specific point.
- Page 17 8.1 TABLE OF COMPONENTS - EXPLODED VIEW –CNCM10 & CNCM18 The components table given below refers to the relevant exploded views attached to this manual. Heat exchanger group Cabinet - Front panel Refrigeration compressor Cabinet - Rear panel Condenser unit...
- Page 18 For complete line of additional product information, please contact your local COAIRE distributor. DISTRIBUTED BY COAIRE Technologies reverse the right to make changes, at any time without notice as a result of our commitment to continuous improvement. Coaire Technologies Corporation 12226 Coast Drive, Whittier, CA 90601 ◊...
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