background image

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: [email protected]/[email protected]  

 
 

Printed in U.S.A.                                                                                                                            FORM CM-AD03  

FEB. 2002

Summary of Contents for CNCM10

Page 1: ...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: ... authorization Said authorization may be obtained through our refrigerated dryer service department All refrigerated dryers parts materials must be returned freight prepaid to the Manufacturer s factory within 30 days of return authorization date Any shipment returned to the factory collect will be refused If an item is found to be warrantable the repaired item or replacement will be returned norm...

Page 3: ...IFICATIONS 4 1 Technical Specifications CNCM10 CNCM18 115 1 60 4 2 Technical Specifications CNCM10 CNCM18 230 1 60 5 TECHNICAL DESCRIPTION 5 1 Operation 5 2 Flow diagram 5 3 Refrigeration Compressor 5 4 Condenser 5 5 Filter Drier 5 6 Capillary Tube 5 7 Evaporator 5 8 Hot Gas By pass Solenoid Valve 5 9 Air to Air Exchanger 5 10 Condensate separator 5 11 DMC5 Air Dryer Controller 5 12 Electric Schem...

Page 4: ... equipment with panels removed Maintenance or control operation to be performed by qualified personnel only 1 ARIA AIR LUFT AIR Compressed air inlet connection point ARIA AIR LUFT AIR Compressed air outlet connection point Condensate drain connection point Operations that can be performed by the operator of the machine if qualified 1 NOTE Text that specifies items of note to be taken into account ...

Page 5: ...tained in compressed air Any other use has to be considered improper The Manufacturer will not be responsible for any problem arising from improper use the user will responsible for any resulting damage Moreover the correct use requires the adherence to the installation instructions specifically Voltage and frequency of the main power Pressure temperature and flow rate of the inlet air Ambient tem...

Page 6: ...le to hold the weight of the dryer Minimum ambient temperatures 34 F see the data plate for maximum temperature Allow at least 16 inches of clearance on each side of the dryer for proper ventilation and to facilitate maintenance operations The dryer doesn t require to be fixed to the supporting surface Locks will be required for special installations on brackets hanging etc 2 3 INSTALLATION LAYOUT...

Page 7: ...s are supplied with a standard North American power cord and plug assembly two poles and a ground Be sure to provide the proper fuses or breakers based on the data tag information located on the back of the unit The main power receptacle must be protected with a thermal overload relay I n 0 03A rated to the power consumption of the dryer refer to data nameplate for nominal values The power supply ...

Page 8: ...in system If a by pass is installed around the dryer close the inlet and outlet isolation valves open the by pass valve Verify that the manual valve mounted on condensate drain circuit is open Remove all packaging and other material that could obstruct the area around the dryer Turn on the main power to the unit Move the rocker ON OFF switch to the ON position in the on position the switch should ...

Page 9: ... pressure drop p psi bar 4 4 0 3 Inlet outlet air connection Copper pipe OD 3 8 in 9 52 mm Refrigerant type R134 a HFC CH2F CF3 Refrigerant charging oz g 6 1 8 175 12 3 8 350 Cooling air capacity cfm m3 h 120 200 200 340 Power supply Phase V Hz 115 1 60 Nominal electric consumption A 2 2 3 0 Max electric consumption A 2 9 4 2 Compressor power HP 1 8 1 5 Weight lbs kg 62 28 68 31 Max noise level 70...

Page 10: ... pressure drop p psi bar 4 4 0 3 Inlet outlet air connection Copper pipe OD 3 8 in 9 52 mm Refrigerant type R134 a HFC CH2F CF3 Refrigerant charging oz g 6 1 8 175 12 3 8 350 Cooling air capacity cfm m3 h 120 200 200 340 Power supply Phase V Hz 230 1 60 Nominal electric consumption A 1 1 1 4 Max electric consumption A 1 5 1 7 Compressor power HP 1 8 1 5 Weight lbs kg 62 28 68 31 Max noise level 70...

Page 11: ...e capillary tube where the resulting pressure drop allows the refrigerant to boil off at a predetermined temperature Low pressure liquid refrigerant enters the heat exchanger where heat from the incoming air is transferred causing the refrigerant to boil the resulting phase change produces a low pressure low temperature gas The low pressure gas is returned to the compressor where it is re compress...

Page 12: ...ed cross section copper tubing located between the condenser and the evaporator and acts as a metering device to reduce the pressure of the refrigerant Reduction of pressure is a function of the temperature to be reached within the evaporator the smaller the capillary tube outlet pressure the lower the evaporation temperature The length and interior diameter of the capillary tubing is accurately s...

Page 13: ...ion for Set Point is 37 4 to 39 2 F 3 to 4 C with a fix hysteresis t equal to 0 9 F 0 5 ºC The hot gas by pass solenoid valve is activated when the temperature falls below 37 4 to 39 2 F 3 to 4 C and deactivated when the temperature rises over 38 3 to 40 1 F 3 5 to 4 5 C To adjust the Set Point perform the following steps Put a thermometer in the vacant copper well near the similar copper well tha...

Page 14: ... temperature conditions exist during operation of system Avoid contact until system or component has dissipated heat DAILY Verify that the DewPoint displayed on the DMC11 is correct Check the proper operation of the condensate drain system Inspect the condenser for cleanliness EVERY 200 HOURS OR MONTHLY Blow entire unit out with compressed air Max 30 psig 2 barg Blow condenser coils out with compr...

Page 15: ...e or service be sure that Ensure that the power is off and the unit is at atmospheric pressure Main power circuit breaker is in the off position per lock out tag out procedures Ensure that maintenance personnel have read and understand the safety and operations instructions in this manual High temperature conditions exist during operation of system Avoid contact until system or component has dissi...

Page 16: ...ler doesn t work replace it Î The hot gas solenoid valve is blocked contact a certified refrigeration technician Î Excessive pressure drop within the dryer Î The DewPoint is too low the condensate is frozen and blocks air flow see specific point Î Check for throttling the flexible connection hoses Î The condensate is not draining Î Verify the electric wiring Î The condensate drain mechanical filte...

Page 17: ...ion compressor 10 Cabinet Rear panel 3 Condenser unit 11 Cabinet Cover panel 4 Condenser unit fan 12 Cabinet Lateral panel 5 Solid filter dryer 13 Inlet Outlet connections 6 Hot gas by pass solenoid valve 14 Rocker switch Illuminated 7 Condensate drain valve strainer 15 DMC5 Air Dryer Controller 8 Condensate drain solenoid valve 16 DewPoint copper tube immersion well 11 1 13 10 2 5 15 6 3 4 9 14 1...

Page 18: ...UTED 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 TEL 562 463 3935 562 463 4928 website www coaire com e mail sales coaire com support coaire com ...

Reviews: