McQuay RCS 06F Manual
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McQuay RCS 06F Manual

McQuay RCS 06F Manual

Air-cooled split system condensing units for rooftop systems and air handlers
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Summary of Contents for McQuay RCS 06F

  • Page 2 Group: Applied Air Systems Part #: 92-102421-11 Units for Rooftop Systems and Air Handlers Date: February 2009 Models RCS 06F – 20F 6.5 to 20 Tons R-410A Refrigerant 6.5 – 7.5 Tons 10 – 12 Tons 15 – 20 Tons...

  • Page 3: Table Of Contents

    Contents Introduction ......3 Models ....... . 16 Nomenclature .

  • Page 4: Introduction

    Upon receiving the unit, inspect it for any damage from shipment. Claims for damage, either shipping or concealed, should be filed immediately with the shipping company. Check the unit model number, electrical characteristics, and accessories to determine if they are correct. McQuay IM 962...

  • Page 5: Standard Unit Features

    SERVICE VALVES — Standard on liquid lines and vapor TESTING — All units are run tested at the factory prior to lines. shipment. Units are shipped with a holding pressure of nitrogen. Figure 1: RCS 06F & 07F Ton Features McQuay IM 962...

  • Page 6: Unit Capacity And Physical Data

    Introduction Figure 2: RCS 10F – 20F Ton Features Unit Capacity and Physical Data Table 1: RCS 06F – 20F Model Single Single Single Tandem Tandem Tandem Tandem Capacity and Weight Capacity (tons) [kW] 6.5 [22.9] 7.5 [26.4] 10 [35.2] 10 [35.2]...

  • Page 7: Dimensional Data

    Introduction Dimensional Data Figure 3: RCS 06F and 07F Ton Units 31.06 43.00 32.81 SUCTION LINE 1 1/8" LIQUID LINE 1/2" HIGH VOLTAGE DIA. HOLE 3/4" LOW VOLTAGE DIA. HOLE 7/8" Figure 4: RCS 10F Ton Units 38.375 44.75 62.14 39.94...
  • Page 8 Introduction Figure 5: RCS 12F Ton Units 38.375 72.375 44.75 75.54 39.94 Figure 6: RCS 15F to 20F Ton Units 38.375 83.875 44.75 85.515 39.94 McQuay IM 962...

  • Page 9: Electrical Data

    Introduction Electrical Data Table 2: RCS 06F and 07F Electrical Data Model Compressor Motor Electrical characteristics 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 Operating Current Rated load amps (each) 22.4 10.6 25.0 12.2 Locked rotor amps (each) Condenser Fan Motors Volt and phase...
  • Page 10 Maximum fuse size (amps) or HACR circuit breaker ampacity Disconnect size Note: Each Compressor Conditions at 45° suction and 95° ambient Local codes take precedent over recommended fuse size Figure 7: Control Box Example – RCS 10F Through 20F McQuay IM 962...

  • Page 11: Installation

    When reporting shortages or damaged parts, or when ordering repair parts, give the complete unit model and serial numbers Figure 8: Clearances RCS 06F – 20F Service Clearances which are stamped on the unit rating plate. Standard Items...
  • Page 12 Introduction Figure 9: Rigging Table 6: RCS 06F and 07F Operating Weights Corner weight lbs. [kg] Total weight model lbs. [kg] 264 [119] 45 [20] 66 [30] 63 [29] 90 [41] 283 [129] 47 [21] 75 [34] 63 [29] 98 [45]...

  • Page 13: Installation Of Piping

    150' equivalent length. 3.6 [1.1] 2.4 [0.7] 2.4 [0.7] 7.2 [2.2] [7.0] 27.1 4.2 [1.3] 2.8 [0.8] 2.8 [0.8] 8.4 [2.6] [8.3] 35.4 10.7 2 1/8 5.3 [1.6] 3.5 [1.1] 10.7 [3.3] [10.8] [3.3] McQuay IM 962...
  • Page 14 300 FPM. Figure 12: Suction Line System Capacity Loss In Percent Per 100 Feet Equivalent Length (Type L Copper Tubing) Figure 15: Coil Below Condensing Unit Note: McQuay IM 962...

  • Page 15: Electrical Wiring

    7/8" hole in the recalibrate if necessary. Refer to thermostat manufacturer's connector panel, then route to the control box. information for additional installation, checkout and operation instructions. McQuay IM 962...

  • Page 16: Leak Testing

    Quantiites based on 110°F liquid and 45°F vapor WARNING Do not use oxygen to purge lines or pressure system for leak test. Oxygen reacts violently with oil, which can cause an explosion resulting in severe personal injury or death. McQuay IM 962...

  • Page 17: Models

    Only use evaporators approved for use on R410A systems. Use of existing R22 evaporators can introduce mineral oil to the R410A refrigerant forming two different liquids and decreasing oil return to the compressor. This can result in compressor failure. McQuay IM 962...

  • Page 18: Evacuation And Charging

    Increase blower speed, check filters. Low vapor & hot compressor Short of refrigerant. Check for leak—add refrigerant. Increase speed of air handler blower or Excessive sweating Low indoor airflow. reduce restriction—replace air filter. Excess refrigerant. Slowly reduce charge. McQuay IM 962...

  • Page 19: Accessories Installation

    Install connector panel “A”. Install bracket “D”. Braze valve. Louvers Remove two screws from top panel where louver will install. Slide top of louver panel under lip of the top panel and slide into place. Attach with four screws provided. McQuay IM 962...

  • Page 20: Maintenance And Operation

    Replacement Parts The contactor is an electrical switch which operates the compressor and condenser fans. Relay activates contactor To find your local McQuay Certified Parts Distributor, go to when safety circuit is made. www.mcquay.com and select Parts Locator. Charge Information...

  • Page 21: Charging Charts

    Introduction Charging Charts Figure 18: 6-1/2 Ton Charging Charts McQuay IM 962...
  • Page 22 Introduction Figure 19: 7-1/2 Ton Charging Chart McQuay IM 962...
  • Page 23 Introduction Figure 20: 10 Ton Charging Chart McQuay IM 962...
  • Page 24 Introduction Figure 21: 12 Ton Charging Chart McQuay IM 962...
  • Page 25 Introduction Figure 22: 15 Ton Charging Chart McQuay IM 962...
  • Page 26 Introduction Figure 23: 20 Ton Charging Chart McQuay IM 962...

  • Page 27: Wiring Diagrams

    Introduction Wiring Diagrams Figure 24: Typical Wiring Schematic - RCS 06F-10F McQuay IM 962...
  • Page 28 T DC TIM E DE LAY CON T ROL T HM MOTOR SA F ET Y T H ER MOS TAT T H ERMAL OV ER LOA D RE LAY W IR E N U T 90-42663-08-03 McQuay IM 962...

  • Page 29: Replacement Parts

    McQuay Service Parts department. Contact the McQuay Parts Department for compressor availability. Send a completed parts order form to the McQuay Parts Department. The Parts Department processes the order and the compressors are shipped from our Dayton, OH warehouse via ground transportation.
  • Page 30 Introduction To comply with the terms of McQuay Warranty, complete and return this Equipment Warranty Registration Form within 10 days to McQuay, Warranty Department. Check, test, and start procedure for RoofPak roof mounted air conditioners with or without heat recovery and roof mounted air handlers.
  • Page 31 Poor 10. How would you rate the overall quality of the product? Excellent Good Fair Poor 11. How does the quality of McQuay products rank in relation to competitive products? Excellent Good Fair Poor Comments: Please list any additional comments which could affect the operation of this unit; i.e., shipping damage, failed components, adverse installation applications, etc.
  • Page 32 Introduction __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ RETURN COMPLETED QUALITY ASSURANCE SURVEY REPORT TO: McQuay International Warranty Department, 13600 Industrial Park Boulevard, Minneapolis, MN 55441 McQuay IM 962...
  • Page 33 McQuay Training and Development Now that you have made an investment in modern, efficient McQuay equipment, its care should be a high priority. For training information on all McQuay HVAC products, please visit us at www.mcquay.com and click on training, or call 540-248-9646 and ask for the Training Department.

This manual is also suitable for:

Rcs 20fRcs 07fRcs 10fRcs 11fRcs 12fRcs 15f

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