Daikin RCS Series Installation And Maintenance Manual
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Daikin RCS Series Installation And Maintenance Manual

Air-cooled split system condensing units
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Installation and Maintenance
Air-Cooled Split System
Condensing Units
Models RCS 06G – 20F
6.5 to 20 Tons
R-410A Refrigerant
15.0 – 20.0 Tons
6.5 – 7.5 Tons
IM 962-4
Group: Applied Air Systems
Part Number: IM 962-4
Date: June 2023
10.0 – 12.0 Tons

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  • Page 1 Installation and Maintenance IM 962-4 Group: Applied Air Systems Part Number: IM 962-4 Date: June 2023 Air-Cooled Split System Condensing Units Models RCS 06G – 20F 6.5 to 20 Tons R-410A Refrigerant 6.5 – 7.5 Tons 10.0 – 12.0 Tons 15.0 –...

  • Page 2: Table Of Contents

    ©2023 Daikin Applied, Minneapolis, MN. All rights reserved throughout the world.This document contains the most current product information as of this printing. Daikin Applied Americas Inc. has the right to change the information, design, and construction of the product represented within the document without prior notice.

  • Page 3: Introduction

    Introduction Introduction This manual contains the installation and operating instructions for your split condensing unit. There are a few precautions that should be taken to derive maximum satisfaction from it. Improper installation can result in unsatisfactory operation or Hazard Identification Information dangerous conditions.

  • Page 4: Standard Unit Features

    Introduction Standard Unit Features Cabinet — Galvanized steel with a durable powder paint Service Access — The control box, as well as the compressor finish. Stamped louvered panels offer 100% protection for the and other refrigerant controls, is accessible through access condenser coil.
  • Page 5 Introduction Figure 2: RCS 10G – 20F Ton Features www.DaikinApplied.com IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS...

  • Page 6: Dimensional And Weight Data

    Dimensional and Weight Data Dimensional and Weight Data Figure 3: RCS 06G and 07G Dimensions and Weights Table 1: RCS 06G and 07G Operating Weights Total Corner weight lbs. [kg] weight model lbs. [kg] 291 [132] 50 [22 .7] 73 [33 .1] 69 [31 .3] 99 [44 .9] 318 [144]...
  • Page 7 Dimensional and Weight Data Figure 5: RCS 15F – 20F Dimensions and Weights 38.375 83.875 44.75 85.515 39.94 Table 4: RCS 15F and 20F Operating Weights Total Corner weight lbs. [kg] weight model lbs. [kg] 746 [338 .0] 183 [83 .0] 196 [89 .0] 177 [80 .0] 189 [86 .0]...

  • Page 8: Physical Data

    Physical Data Physical Data Unit Capacity and Physical Data Table 5: RCS 06G – 20F Physical Data Model 06G Single 07G Single 10G Single 12F Tandem 15F Tandem 20F Tandem Capacity and Weight Capacity (tons) [kW] 6 .5 [22 .9] 7 .5 [26 .4] 10 [35 .2] 12 [42 .2]...

  • Page 9: Electrical Data

    Electrical Data Electrical Data Power Wiring Table 6: RCS 06G – 20F Electrical Data Model Compressor Motor Voltage 208/230 460- 208/230 208/230 208/230 208/230 208/230 Phase and hertz 3 – 60 Number of compressors Operating Current Rated load amps 11 .8 27 .9 13 .6 32 .6...

  • Page 10: Installation

    Installation Installation Regular maintenance will reduce the buildup of contaminants and help to protect the unit’s finish. Order Parts • Frequent washing of the cabinet, fan blade and coil with fresh water will remove most of the salt or other When reporting shortages or damaged parts, or when ordering contaminants that build up on the unit.

  • Page 11: Rooftop Installation

    Installation Rooftop Installation Table 7: RCS 06G through 20F Operating Weights Total Corner weight lbs. [kg] If rooftop installation is required, make certain that the building weight model construction is adequate for the weight of the unit. (Table lbs. [kg] Before placing the unit on the roof, make certain that the nylon 245 [111 .1] 71 [32 .2]...

  • Page 12: Installation Of Piping

    Installation Installation of Piping Typical Piping Recommendations The following will be of help in accomplishing a successful WARNING 1 . Size liquid line for no more than 10°F loss which Do not use oxygen to purge lines or pressure system for leak test. Oxygen corresponds to approximately 3 psig pressure drop.
  • Page 13 Installation Table 9: Recommended Vapor and Liquid Line Sizes for Various Lengths of Run Recommended Vapor and Liquid Line Sizes for Various Lengths of Run Equivalent Cooling Model Length to Liquid Line O.D. Sizes (in) Vapor Line O.D. Sizes (in) Evaporator (ft) 0 to 15...
  • Page 14 Installation Electrical Wiring Figure 13: Coil Above Condensing Unit NOTE: Field wiring must comply with the National Electric Code (CEC in Canada) and any local ordinance that may apply. Electrical Power It is important that proper electrical power is available at the unit.
  • Page 15 Installation Thermostat Table 10: Field Wire Size for 24 Volt Thermostat An appropriate thermostat should be mounted on an inside wall Thermostat Load Solid Copper Wire –AWG Amps in a location where it will not be affected by the sun or drafts, 3 .0 from open doors or other sources.

  • Page 16: Refrigerant Charge

    Installation Refrigerant Charge Tools Required for Installing and Servicing R410A Models Leak Testing Manifold Sets: Pressurize line set and coil through service fittings with dry nitrogen to 150 psig maximum. Leak test all joints using liquid • Up to 800 PSIG High side detergent.
  • Page 17 Installation Quick Reference Guide for R410A Evacuation and Charging • R410A refrigerant operates at approximately 60% higher The evacuation of any system component that has been pressure (1.6 times) than R22. Ensure that servicing exposed to atmosphere or lost its charge is essential before equipment is designed to operate with R410A.

  • Page 18: Final Leak Testing

    Installation 17 . Adjust refrigerant charge to obtain pressures indicated 21 . Replace service port caps and valve stem caps. These in the temperature/pressure Charging Charts starting on caps must be replaced to prevent leaks. page 21 . 22 . Record total charge quantity on rating plate. 18 .

  • Page 19: Accessory Installation

    Installation Accessory Installation Optional Service Valve 1 . Remove clamp securing suction line ext. tube (if Louvered Panels applicable). 1 . Remove two screws from top panel where louver will 2 . Remove connector panel “A”. install. 3 . Remove suction line ext. tube by sweating at reducer/ 2 .

  • Page 20: Maintenance And Operation

    Replacement Parts operation . • For maximum efficiency, the condenser coil must be To find your local Daikin Applied Certified Parts Distributor, go kept clean. Periodic inspections, depending on local to www.DaikinApplied.com and select Parts Locator. conditions are recommended. If it is necessary to clean the condenser coil, use a common garden hose.

  • Page 21: Charging Charts

    Charging Charts Charging Charts A/C SYSTEM CHARGE CHART Figure 17: 6-1/2 Ton Charging Charts 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 Vapor Pressure (PSIG) CAUTION: RETURN AIR TEMPERATURE MUST BE WITHIN COMFORT CONDITIONS BEFORE FINAL REFRIGERANT CHECK! INSTRUCTIONS: 1.
  • Page 22 Charging Charts Figure 18: 7-1/2 Ton Charging Chart A/C SYSTEM CHARGE CHART 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 VAPOR PRESSURE (PSIG) CAUTION: RETURN AIR TEMPERATURE MUST BE WITHIN COMFORT CONDITIONS BEFORE FINAL REFRIGERANT CHECK! INSTRUCTIONS: 1.
  • Page 23 Charging Charts 10 TON CONDENSING UNIT 60 HZ. REFRIGERANT R-410A Figure 19: 10 Ton Charging Chart 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 VAPOR PRESSURE (PSIG) REQUIRED OUNCES R-410A TUBE LIQUID VAPOR SIZE LINE LINE O.D.
  • Page 24 Charging Charts Figure 20: 12 Ton Charging Chart IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS www.DaikinApplied.com...
  • Page 25 Charging Charts Figure 21: 15 Ton Charging Chart www.DaikinApplied.com IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS...
  • Page 26 Charging Charts Figure 22: 20 Ton Charging Chart IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS www.DaikinApplied.com...

  • Page 27: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams Figure 23: Typical Wiring Schematic - RCS 06G – 07G www.DaikinApplied.com IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS...
  • Page 28 Wiring Diagrams Figure 24: Typical Wiring Schematic - RCS 10G IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS www.DaikinApplied.com...
  • Page 29 Wiring Diagrams Figure 25: Typical Wiring Schematic - RCS 12F-20F www.DaikinApplied.com IM 962-4 • AIR-COOLED SPLIT SYSTEM CONDENSERS...

  • Page 30: Service And Warranty Procedure

    . 1 . Contact the Daikin Applied Parts Department for compressor availability. 2 . Send a completed parts order form to the Daikin Applied Parts Department . 3 . The Parts Department processes the order and the compressors are shipped from our Dayton, OH warehouse via ground transportation.

  • Page 31: Warranty Registration Form

    RCS Condensing Equipment Warranty Registration Form To comply with the terms of Daikin Applied Warranty, complete and return this form within 10 days to the Warranty Department of Daikin Applied. Check, test, and start procedure for Rooftop roof mounted air conditioners with or without heat recovery and roof mounted air handlers.
  • Page 32 Warranty Registration Form RCS Equipment Warranty Registration Form (continued) Select Yes or No. If not applicable to the type of unit, select N/A. I. INITIAL CHECK A . Is any shipping damage visible? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes B.
  • Page 33 AAH.Wty_WAR_forms@daikinapplied.com Please fi ll out the Daikin Applied “Quality Assurance Survey Report” and list any additional comments that could aff ect the operation of this unit; e.g., shipping damage, failed components, adverse installation applications, etc. If additional comment space is needed, write the comment(s) on a separate sheet, attach it to the Survey Report and return it to the Warranty Department of Daikin Applied with the completed Equipment Warranty Registration form.

  • Page 34: Quality Assurance Survey Form

    Poor 10 . How would you rate the overall quality of the product? Excellent Good Fair Poor 11 . How does the quality of Daikin Applied products rank in relation to competitive products? Excellent Good Fair Poor Comments _______________________________________________________________________________________ Please list any additional comments which could aff ect the operation of this unit; i.e., shipping damage, failed components, adverse installation applications, etc. If additional comment space is needed, write the comment(s) on a separate sheet, attach the sheet to this completed Quality Assurance Survey Report, and return it to the Warranty Department with the completed preceding “Equipment Warranty Registration Form”.
  • Page 36 Now that you have made an investment in modern, efficient Daikin Applied equipment, its care should be a high priority. For training information on all Daikin Applied HVAC products, please visit us at www. DaikinApplied.com and click on Training, or call 540-248-9646 and ask for the Training Department.

This manual is also suitable for:

Rcs 06gRcs 07gRcs 10gRcs 12fRcs 15fRcs 20f

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