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Compu-aire CAG-30 Series Installation And Operation Manual Download Page 48

 
 

 

 

48

 

Technical Support/ Service 

Website 

www.compu-aire.com

 

 

Location 

Compu-Aire, Inc. 

8167 Byron Road 

Whittier, California 90606 

United States of America 

+1 (562) 945-8971 (Phone) 

+1 (562) 696-0724 (Fax) 

 
 
 
 
 
 
 
 
 

 
While every precaution has been taken to ensure the accuracy 
and completeness of this literature, Compu-Aire assumes no 
responsibility and disclaims all liability for damages resulting from use of 
this information or for any errors or omissions. 
© 2014 Compu-Aire, Inc 
All rights reserved throughout the world. Specifications subject to change 
without notice. 
 

 

 

Summary of Contents for CAG-30 Series

Page 1: ...1 SYSTEM 2100 GLYCOL COOLED CAG 30 ENERGY MISER INSTALLATION AND OPERATION MANUAL 8167 Byron Road Whittier CA 90606 Phone 562 945 8971 Fax 562 696 0724 www compu aire com...

Page 2: ...Units 15 6 1 2 Upflow Units 15 6 2 Connections 16 6 2 1 Structural Support 16 6 2 2 Electrical Support 16 6 2 3 Condensate Drain Connection 16 6 2 4 Water Connection 17 6 2 5 Electrical Connection 19...

Page 3: ...NG CONNECTION LAYOUT 33 14 1 WATER GLYCOL LINE CONNECTION 33 15 START UP AND TEST PROCEDURE 34 15 1 Check that ALL WIRING IS CORRECT 34 15 2 Check for Correct Phasing 34 15 3 Fan Speed Adjustment 34 1...

Page 4: ...ample Unit Shown 29 Figure 10 Condenser and Reheat elements access 30 Figure 11 Unit Side Layout 30 Figure 12 Rear Open Floor Stand 31 Figure 13 Terminal Block with System Cut Out 32 Figure 14 Piping...

Page 5: ...ing installation or servicing of a System 2100 series Below is general safety information as well as descriptions of safety and accident prevention symbols that will be utilized throughout this docume...

Page 6: ...ntially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Caution...

Page 7: ...n specially trained and qualified in the installation or servicing of HVAC equipment Improper installation may result in unaccountable loss or damage EQUIPMENT TRANSPORTATION PROPER BRACING HIGH SPEED...

Page 8: ...freezing temperatures and contact damage EQUIPMENT TRANSPORTATION Prior to transporting unit to final installation location ensure that there are no risks of overhead interference Relevant measuremen...

Page 9: ...ATURES AND OR CORROSION Refrigerant leaking from the unit coil or piping due to freezing and or corrosion can cause serious equipment and building damage Use of proper antifreeze and inhibitors can pr...

Page 10: ...Time Monday through Friday except holidays or you may send a facsimile message at 562 696 0724 anytime Finally you may write us at Compu Aire 8167 Byron Road Whittier CA 90606 Please do not return sys...

Page 11: ...l codes and safety requirements to install and service this unit WARNING Installation and service of this equipment should be done by qualified personnel who have been specially trained and qualified...

Page 12: ...water runs freely through the drain system Improper installation application and service practices can result in water leakage from the unit Water leakage can cause severe property damage and loss of...

Page 13: ...ted as field installed shall be packaged inside of the unit and must be removed and installed prior to startup of the equipment Optional articles such as jack stand parts condensate pump and remote co...

Page 14: ...d floor or on adjustable jackstands The unit should not be placed near any corner of the room For best air distribution the unit should be place in mid point against the unit should be place in mid po...

Page 15: ...tion as well as the electrical power input locations are matching with unit location requirement Proper electrical supply power is an absolute necessity as the unit is designed specifically for the re...

Page 16: ...nit bottom or the top panel on the unit Be sure unit is properly grounded A fused disconnect must also be provided for the air cooled condenser condensing unit for air cooled units and dry fluid coole...

Page 17: ...close circuit dry fluid cooler is to be used A pump package for field install by other is generally included in the system with separate cabinet unit Provide a shut off valve in supply and return lin...

Page 18: ...18 Figure 4 Typical Unit Field Piping Connection...

Page 19: ...ox Supply voltage at the unit must be within 10 of the voltage indicated on the nameplate for a dual voltage rating supply voltage must be within 5 from the lower nameplate rating and within 10 from t...

Page 20: ...ed if the system contains more than 20 lbs 9 kg of refrigerant add one fluid ounce for every additional 5 pounds 15ml kg of refrigerant over this amount 7 1 1 Evacuation Procedures CAUTION PULL ALL FU...

Page 21: ...on for 2 hours and re check the gauge readings Purge with Freon and re pull the vacuum of 250 microns 9 842 in hg or less After the completion of this step fill the system with Freon vapor until pres...

Page 22: ...tentionally blowing the charge is illegal The procedure for saving the refrigerant charge is as follows 1 Open disconnect switch 2 Pull fuses on system not to be opened 3 Install manifold on the recei...

Page 23: ...23 8 GENERAL WIRING DIAGRAM WATER GLYCOL COOLED 30 35 TON SYSTEM 2200 CAG EM WITH NORTEC HUMIDIFER ELECTRIC REHEAT 682 447 420...

Page 24: ...THE UNIT 9 1 System Testing The performance of all control circuits can be tested by actuating each of the main functions This is done by temporarily changing the set points 9 1 1 Cooling To test the...

Page 25: ...advanced OEM steam humidifier and provides steady and reliable humidification using the same proven cylinder technology as Nortec s commercial NHTC Depending on the unit configuration the steam humid...

Page 26: ...used in Compu Kool III unit is the electrical heating elements The number of the stages and elements depend on heating required for dehumification Figure 6 Reheat Elements 9 4 Condensate Pump optional...

Page 27: ...d to check the manufacturer s literature for more detail of the dry fluid cooler prior the unit installation PUMPS FOR CKG MODELS These are shipped from Compu Aire along with the air conditioners unit...

Page 28: ...CREEN DISPLAY LOCKING DISCONNECT SWITCH EC FAN MOTOR ACCESS DOOR COIL BLOWER MOTOR ACCESS DOOR CONTROL PANEL ACCESS DOOR FRONT ACCESS 132 50 SUPPLY AIR DUCT FLANGE 36 MIN CLEARANCE 38 MIN CLEARANCE 38...

Page 29: ...TIFICATION ACCESS 11 1 FRONT LAYOUT CONTROL BOX Figure 9 Sample Unit Shown Actual unit may be different NUMBER NAME 1 DISCONNECT SWITCH 2 CONTACTORS 3 MOTOR PROTECTORS 4 MICROPROCESSOR CONTROLLER 5 TR...

Page 30: ...Reheat elements access 11 3 SIDE LAYOUT Figure 11 Unit Side Layout 1 HUMIDIFIER 2 COMPRESSOR 3 HOT GAS BYPASS VALVE SOLENOIDS ETC 4 PIPING CONNECTION 1 2 3 4 REHEAT ELEMENTS PRESSURE REGULATING VALVE...

Page 31: ...31 11 4 STANDARD FLOOR STAND Figure 12 Rear Open Floor Stand Doc No FM 7 3 3 03 REV A SUBJECT TO CHANGE WITHOUT INCURRING OBLIGATION OF Specialized Environmental Air Conditioning Systems...

Page 32: ...ematic shut down by the controller programming Remote ON OFF relays can be disabled from controller programming and unit may not shut down in case of emergency 13 REMOTE ALARMS One Alarm Relay with a...

Page 33: ...ting pressure not to exceed 125 PSIG Optional high pressure rated valve is available from the factory Unless specified water glycol piping connection s are located on the left bottom corner of the sta...

Page 34: ...Speed Adjustment Adjustment of the air flow maybe desired The air flow can be readily adjusted with the variable pitch pulley provided on the blower motors After the unit has been started and the air...

Page 35: ...alarm is activated the filter pressure switch If the filters are dirty they must be changed for efficient operation of your system To check the alarm indicator cover approximately 75 of the return ai...

Page 36: ...the system 6 Ensure that the condenser surface if applicable is cleaned and free of dirt and debris 7 Check the operation of the control system Make certain that all of the safety controls are operat...

Page 37: ...37 17 REFERENCE DOCUMENTS...

Page 38: ...38...

Page 39: ...utton on MCP then press On button If the system does not start or if the display still shows erroneous information replace the MCP Complaint Problem Symptom Action 2 Nothing is visible on the display...

Page 40: ...tests are okay swap connections between pins 14 and 16 and observe whether dis play tracks each okay If it does replace the sensor If it doesn t replace the MCP Complaint Problem Symptom Action 4 Sen...

Page 41: ...ot opening because of loose or broken wiring Display shows chilled water cooling is on or economy cooling is on but the valve is closed Test for 24VAC at valve motor Check continuity between pins 3 an...

Page 42: ...MCP terminal connector Test at pin 30 only if stage two is off Test at both 30 and 33 if stage two is on If no voltage at pin 27 or if voltage at each check back to system terminal block and heater co...

Page 43: ...fer to the section in this guide DIP Switch Settings and make sure the switches are set correctly 10 System occasionally forgets control settings Battery is dead If the system is turned off for a few...

Page 44: ...flow fire stat water on floor or smoke detector alarm is activated The display shows one or more of these alarms and the Alarm LED is on The system is automatic ally shut down if any of these conditio...

Page 45: ...116 252 Electrical Parts Humifidifier Capacity lbs 30 0 262 130 331 Contactor 274 040 323 274 030 336 Aux Switch 274 100 034 Fuse 15 A 271 160 515 20 A 271 160 520 25 A 271 160 525 40 A 271 260 440 Tr...

Page 46: ...302 Touch Screen Display Temp Hum Sensor 254 744 302 Connector Kit 254 743 302 NTC Sensor 254 445 002 Communication Card pCOnet BACnet OVER MS TP 254 549 004 pCOWEB ETHERNET INTERFACE 254 549 003 LON...

Page 47: ...cing filters humidifier cylinder infra red lamps float valve assemblies belts cleaning lubrication calibration and adjusting are NOT INCLUDED in this warranty Replacement or repair parts shall be ship...

Page 48: ...562 696 0724 Fax While every precaution has been taken to ensure the accuracy and completeness of this literature Compu Aire assumes no responsibility and disclaims all liability for damages resulting...

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