McQuay MAC 030 C Installation And Maintenance Manual
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McQuay MAC 030 C Installation And Maintenance Manual

Air-cooled mini chiller
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Air-Cooled Mini Chiller
Models: MAC 030 C/CR
MAC 035 C/CR
MAC 040 C/CR
MAC 050 C/CR
MAC 065 C/CR
MAC 070 C/CR
MAC 080 C/CR
MAC 100 C/CR
MAC 120 C/CR
MAC 150 C/CR
CMAC - C - 2004

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Summary of Contents for McQuay MAC 030 C

  • Page 1 CMAC - C - 2004 Air-Cooled Mini Chiller Models: MAC 030 C/CR MAC 080 C/CR MAC 035 C/CR MAC 100 C/CR MAC 040 C/CR MAC 120 C/CR MAC 050 C/CR MAC 150 C/CR MAC 065 C/CR MAC 070 C/CR...

  • Page 2: Table Of Contents

    "McQuay" is a registered trademark of McQuay International. All rights reserved throughout the world. 2003 McQuay International "Bulletin illustrations cover the general appearance of McQuay International products at the time of publication and we reserve the right to make changes in design and construction at any time without notice."...

  • Page 3: Introduction

    Introduction For years, McQuay international has earned a reputation for providing the industry with various highest qualities and most technologically advanced air conditioning systems. Now Shenzhen McQuay is proud to introduce the new generation mini air-cooled chiller-MAC C series. Inherited from the advantage of the earlier product experiences and introduced the most up-to-date technology, the new MAC C series are designed with the always-in-mind concept - to satisfy customers’...

  • Page 4: Features

    For MAC080C/CR to MAC150C/CR, expansion chamber, water pump and water flow switches are already equipped in this compact packaged unit with top air discharge. In addition, McQuay provides accessory hydraulic kit with water storage tank, auto water fill valve, auto air vent valve, auto pressure relief valve and strainer integrated in, aiming at ensuring high efficiency and safe operation.
  • Page 5 Simple To Maintain • The simple design of the machine allows for maximum serviceability. All components are with reach of the maintenance personnel upon open up of the servicing panel. If emergency shutoff occurs, the microprocessor-based controller will indicates the fault cause to quicken and ease troubleshooting. Three Color Appearance Available (For MAC030C/CR to MAC070C/CR) •...

  • Page 6: General Specification

    General Specification Compressor McQuay Mini Chillers are equipped with highly efficient, reliable and silence scroll compressor, double for MAC080C(R) to MAC150C(R), one for MAC030C/CR to MAC070C/CR. Air-Cooler Condenser The air-cooled condenser coil consists of staggered rows of 3/8’’ O.D. seamless copper tube, mechanically expanded into die formed aluminum fins to ensure optimum heat exchange capability.

  • Page 7: Controller

    Controller The controller accomplishes its control function with its built-in microprocessor. The two parameters, temperature and water flow rate, have been factory set before shipment, no need for users to reset them. The controller will display unit operation status to favor specialized personnel to monitor unit operating condition for maintenance if necessary.

  • Page 8: Specifications

    Specifications Cooling Only Unit (50Hz) MODEL MAC030C MAC035C MAC040C Btu/hr 25,600 30,700 39,200 NOMINAL COOLING CAPACITY kcal/hr 6,450 7,740 9,890 Watt 7,500 9,000 11,500 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power THICKNESS HEIGHT (H) mm (in) 1250 (49.2) 1560 (61.4) TOTAL WIDTH (W) mm (in)
  • Page 9 Cooling Only Unit (50Hz) MODEL MAC050C MAC065C MAC070C Btu/hr 46,100 57,000 65,500 NOMINAL COOLING CAPACITY kcal/hr 11,610 14,360 16,510 Watt 13,500 16,700 19,200 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power THICKNESS HEIGHT (H) mm (in) 1560 (61.4) 1700 (66.9) TOTAL WIDTH (W) mm (in)
  • Page 10 Cooling Only Unit (50Hz) MODEL MAC080C MAC100C MAC120C MAC150C Btu/hr 76,800 92,100 112,600 129,700 NOMINAL COOLING CAPACITY kcal/hr 19,350 23,220 28,380 32,670 Watt 22,500 27,000 33,000 38,000 MATERIAL Electro-galvanised Mild Steel Electro-galvanised Mild Steel CASING FINISH Polyester Power Polyester Power THICKNESS HEIGHT (H) mm (in)
  • Page 11 Cooling Only Unit (50Hz) M ODEL MAC120C MAC150C 112,600 129,700 Btu/hr NOM INAL COOLING CAPACITY kcal/hr 28,380 32,670 W att 33,000 38,000 Electro-galvanised Mild Steel M ATERIAL CASING Polyester Power FINISH THICKNESS HEIGHT (H) m m (in) 1260 (49.6) TOTAL 1800 (70.9) W IDTH (W ) m m (in)
  • Page 12 Cooling Only Unit (60Hz) MODEL MAC080C MAC100C MAC120C MAC150C Btu/hr 87,000 95,200 120,100 132,700 NOMINAL COOLING CAPACITY 21,930 23,990 30,270 33,450 kcal/hr Watt 25,500 27,900 35,200 38,900 MATERIAL Electro-galvanised Mild Steel CASING Polyester Power FINISH THICKNESS HEIGHT (H) mm (in) 1260 (49.6) 1260 (49.6) TOTAL...
  • Page 13 Heat Pump Unit (50Hz) MODEL MAC030CR MAC035CR MAC040CR Btu/hr 25,600 30,700 39,200 NOMINAL COOLING CAPACITY kcal/hr 6,450 7,740 9,890 Watt 7,500 9,000 11,500 Btu/hr 27,300 32,400 42,700 NOMINAL HEATING CAPACITY kcal/hr 6,880 8,170 10,750 Watt 8,000 9,500 12,500 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power...
  • Page 14 Heat Pump Unit (50Hz) MODEL MAC050CR MAC065CR MAC070CR Btu/hr 46,100 57,000 65,500 NOMINAL COOLING CAPACITY kcal/hr 11,610 14,360 16,510 Watt 13,500 16,700 19,200 Btu/hr 49,500 65,500 71,000 NOMINAL HEATING CAPACITY kcal/hr 12,470 16,510 17,880 Watt 14,500 19,200 20,800 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power...
  • Page 15 Heat Pump Unit (50Hz) MODEL MAC080CR MAC100CR Btu/hr 76,800 92,100 NOMINAL COOLING CAPACITY kcal/hr 19,350 23,220 Watt 22,500 27,000 Btu/hr 81,900 97,200 NOMINAL HEATING CAPACITY kcal/hr 20,640 24,510 Watt 24,000 28,500 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power THICKNESS HEIGHT (H) mm (in) 1260 (49.6)
  • Page 16 Heat Pump Unit (50Hz) MODEL MAC120CR MAC150CR Btu/hr 112,600 129,700 NOMINAL COOLING CAPACITY kcal/hr 28,380 32,670 Watt 33,000 38,000 Btu/hr 119,400 136,500 NOMINAL HEATING CAPACITY kcal/hr 30,090 34,390 Watt 35,000 40,000 MATERIAL Electro-galvanised Mild Steel CASING FINISH Polyester Power THICKNESS HEIGHT (H) mm (in) 1260 (49.6)

  • Page 17: Performance Characteristics

    Performance Characteristic Charts Actual performance can be determined by conducting correction after looking up the following charts. Based on the ambient temperature and desired return water temperature, we can locate the corresponding performance factor in these charts, then the corresponding actual cooling (heating) capacity and power input can be determined by using the following formula.
  • Page 18 Cooling Only Models: MAC 030 / 035 / 040 / 050 / 065 / 070 / 080 / 100 / 120 / 150 C Environment Temperature Leaving Water Model Cooling Power Cooling Power Cooling Power Cooling Power Cooling Power Temp. Capacity W Input W Capacity W...
  • Page 19 Heating Mode Models: MAC 030 / 035 / 040 / 050 / 065 / 070 / 080 / 100 / 120 / 150 CR Environment Temperature Leaving Water Model Cooling Power Cooling Power Cooling Power Cooling Power Cooling Power Temp. Capacity W Input W Capacity W...
  • Page 20 Heating Mode Models: MAC 030 / 035 / 040 / 050 / 065 / 070 / 080 / 100 / 120 / 150 CR Environment Temperature -5ºC 0ºC 4ºC 7ºC 10ºC 15ºC Leaving Water Temp. Model Heating Power Input Heating Power Input Heating Power Input...

  • Page 21: Technical Data

    Technical Data Correction Factors With Glycol Use GLYCOL % COOLING CAPACITY WATER FLOW PRESSURE DROP 0.990 1.015 1.06 0.980 1.040 1.12 0.970 1.080 1.18 0.965 1.135 1.24 Water Pressure Drop And Flow Rate Water Flow Rate Water Pressure Drop MODEL m³/h 1.08 0.74...

  • Page 22: Outlines And Dimensions

    Outlines and Dimensions Model: MAC 030C(R)/035C(R)/040C(R)/050C(R)/065C(R)/070C(R) 4- 10X20 2- R c1 UNIT: mm MAC030/035C(R) 1250 MAC040/050C(R) 1004 1560 1212 1700 1135 1162 MAC065/070C(R) MAC030/035C(R) 231.5 531.5 MAC040/050C(R) 167.5 124.5 MAC065/070C(R) 604.5 Page 21...
  • Page 23 Model: MAC 080C(R)/100C(R)/120C(R)/150C(R) G a u g e ( S Y S 2 ) G a u g e ( S Y S 2 ) C a b l e P o r t ( O U T ) C a b l e P o r t ( I N ) C h i l l e d...
  • Page 24 Accessory Hydraulic Kit For MAC080C(R) to MAC150C(R), accessory hydraulic kit consists of 40L capacity stainless steel water storage tank, safety valve, dirt drainage valve, and auto air vent valve etc. For MAC030C(R) to MAC070C(R), with 8L volume water expansion chamber additionally. 4 - 1 0 x 2 0 C h i l l e d W a t e r I n C h i l l e d W a t e r O u t R 1...

  • Page 25: Wiring Diagrams

    Wiring Diagrams Model: MAC030/035C Page 24...
  • Page 26 Model: MAC030/035CR Page 25...
  • Page 27 Model: MAC040/050C Page 26...
  • Page 28 Model: MAC040/050CR Page 27...
  • Page 29 Model: MAC065C/070C Page 28...
  • Page 30 Model: MAC065/070CR Page 29...
  • Page 31 Model: MAC080C/100C Page 30...
  • Page 32 Model: MAC080CR/100CR Page 31...
  • Page 33 Model: MAC120C/150C Page 32...
  • Page 34 Model: MAC1220CR/150CR Page 33...

  • Page 35: Installation

    Installation Installation Notice This equipment must be installed by your dealer or authorized McQuay qualified personnel, and the installation must satisfy all the following requirements. Location In order to achieve unit maximum capacity and long life operation, the location selection should fulfill the following requirements: a) The location must be well ventilated, so that air can be drawn in and discharge out efficiently.
  • Page 36 Air intake Air Discharge c) Ensure that there is no obstruction to air flow into or out of the unit. Remove obstacles which blocking intake or discharge air if exist. Obstacles Blocking Air intake Obstacles Blocking Air intake Obstacles Blocking Air intake Obstacles Blocking Servicing Access d) For MAC080C(R) to MAC150C(R), if good ventilation cannot be guaranteed when unit being installed indoors, it is advisable to induce discharge air from air outlet to outdoors by installing duct which is as...
  • Page 37 e) Support unit base up to create a space above foundation for ensuring free water drainage, and the stable foundation with level surface must be sufficiently durable against the unit weight. U ni t U ni t S uppor t er D r ai n D i t ch f) The location must not be susceptible to dust or oil to avoid condenser coil being choked by the contaminant.
  • Page 38 g) It is advised to have sufficient clearance around the unit for proper condenser air flow and to facilitate access for maintenance.( see clearance shown in figure below) Page 37...
  • Page 39 Delivery and Lifting When transporting the unit, it is advisable to use forklift or crane to do this work. Only the wooden skid base is allowed to be served as the weight-supporter. When hoisting, please keep the unit stable and without slope, meanwhile, be sure to avoid lifting cable contact with side heat exchanger, panel and unit’s top part.
  • Page 40 Mounting When mounting, please use foundation bolts or expansion bolts to fasten the unit with foundation supporter. It is advisable to pad the unit bottom against foundation by using vibration absorption rubber to prevent noise and vibration. Chilled Water Piping Chilled water piping must be insulated and waterproof to avoid performance loss and moisture condensing on it.
  • Page 41 If you have this demand, please contact with your dealer or directly with McQuay Company, and install it according to the diagram above; if you have no need of this type, the components in dotted line box can be omitted.
  • Page 42 Condensate Drainage Connection (For MAC030CR to MAC070CR Only) Condensate may be produced when unit being operated under heating cycle. In order to properly remove it, please follow these steps below: Please open either hole, located on left or right panel, to suit your need by knocking off the easily – removed cover with a hard stool, make the 1”...

  • Page 43: Servicing And Maintenance

    There is no need to conduct any maintenance to refrigerant piping if the unit is under normal running. • McQuay designers have given full consideration to make servicing convenient during unit development. After opening service panel, both servicing and maintenance can be easily carried out. •...

  • Page 44: Troubleshooting

    Troubleshooting When any malfunction is occurred, immediately turn the switch off and shut down operation, then contact with your dealer for resolution. For some frequently occurred failure, you can conduct some handling referring to the simple trouble shooting tips given below. SYMPTOMS POSSIBLE CAUSES REMEDIAL ACTION...

  • Page 45: Troubleshooting With Microprocessor

    Troubleshooting With Microprocessor Error Possible Causes Solutions Code Return water sensor contact loose/short Contact with the dealer, check and rewire it Supply water sensor contact loose/short Contact with the dealer, check and rewire it Return air sensor contact loose/short Contact with the dealer, check and rewire it System 1 defrosting sensor contact loose/short Contact with the dealer, check and rewire it Adjust water flow rate, check and clean...

  • Page 46: Schematic Diagram

    Schematic Diagram Refrigerant Circuit Diagram Cooling Only (MAC030C/035C) Chi l l ed W at er I n Chi l l ed W at er O ut LEG END Ref r i ger ant Fl ow Di r edt i on 1、Com pr essor 2、Heat Exchanger Fan 3、Cool i ng Cap.
  • Page 47 Cooling Only (MAC080C/100C/120C/150C) C hi l l ed W at er I n C hi l l ed W at er O ut LEG EN D R ef r i ger ant Fl ow D i r ect i on 2、H eat Exchanger Fan 3、C ool i ng C ap.
  • Page 48 Heat Pump (MAC030CR/035CR) Chi l l ed W at er Chi l l ed W at er LEGEND Ref r i ger ant Fl ow Di r ect i on W hen Cool i ng Ref r i ger ant Fl ow Di r ect i on W hen Heat i ng 3、...
  • Page 49 Heat Pump (MAC080CR/100CR/120CR/150CR) C hi l l ed W at er C hi l l ed W at er O ut LEG EN D R ef r i ger ant Fl ow D i r ect i on W hen C ool i ng R ef r i ger ant Fl ow D i r ect i on W hen H eat i ng 4、C opper Tube Al um i ni um Fi n 1、C om pr essor...

  • Page 50: Part List And Exploded View

    Parts List and Exploded View Below is the structure of MAC065CR, units of MAC035C(R) to MAC070C(R) similar to this. LEGEND: 1.Top panel 2.Horizontal ornament piece 3.Heat exchanger 4.Vertical support(4pcs) 5.Four way valve assy. 6.Side panel 7.Vertical ornament piece 8.Air discharge 9.Air discharge guard 10.Front panel 11.Discharge pipe &pressure switch assy.
  • Page 51 Below is the structure of MAC080CR, units of MAC080C(R) to MAC150C(R) similar to this. Item Name Item Name Fan Guard Top Panel Fan Motor Front Panel Support Fan Motor Support Left & Right Coil Guard Rear Coil Guard Left Coil Assy. Left &...
  • Page 52 REGISTERED S&E ISO 9002 ©2003 McQuay International +1 (800) 432-1342 www.mcquay.com...

This manual is also suitable for:

Mac 035 cMac 050 cMac 065 cMac 070 cMac 040 cMac 080 c ... Show all

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