Johnson Controls RW Series Engineering Manual
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Johnson Controls RW Series Engineering Manual

Commercial reversible chiller
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RW Series
Commercial Reversible Chiller - 60 Hz
• 10-50 Tons
Design Features
Factory Options
Accessories
Dimensional Data
Physical Data
Performance Data
Engineering Guide Specifi cations
Form: 146.00-EG6A (0614)
Supersedes: 146.00-EG6A (0314)

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Summary of Contents for Johnson Controls RW Series

  • Page 1 RW Series Commercial Reversible Chiller - 60 Hz • 10-50 Tons Design Features Factory Options Accessories Dimensional Data Physical Data Performance Data Engineering Guide Specifi cations Form: 146.00-EG6A (0614) Supersedes: 146.00-EG6A (0314)

  • Page 3: Table Of Contents

    RW Series Application Notes ........

  • Page 4: Nomenclature

    NA = Not Available • = Voltage available in this size •• = Voltage and soft start available in this size All RW Series product is Safety listed under UL1995 thru ETL and performance tested in accordance with standard AHRI/ISO 13256-2.

  • Page 5: Ahri Data

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG AHRI/ASHRAE/ISO 13256-2 Water-to-Water Ratings English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump Cooling Heating Flow Rate Cooling Heating Cooling Heating Full EST 77°F Full EST 32°F EST 86°F EST 68°F...
  • Page 6 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Performance Standard (AHRI/ISO/ASHRAE 13256-2) The performance standard AHRI/ASHRAE/ISO 13256-2 became effective January 1, 2000. This new standard has three major categories: Water Loop, Ground Water, and Ground Loop. Unit of Measure: The Cooling COP The cooling efficiency is measured in EER (US version measured in Btuh per Watt.

  • Page 7: The Rw Series

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG The RW Series RWXW Features Dual scroll compressors H H eavy gauge High efficiency efficiency and reliability insulated sheet metal brazed plate heat cabinet to reduce exchangers for noise efficiency and compact size Factory installed...
  • Page 8 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG The RW Series cont. Johnson Controls is proud to announce the upgrade of the RW Wide array of standard factory installed options including: Reversible Chiller Series with premium effi ciency, additional • Factory mounted, internally wired, rotary-style, safety features, improved serviceability, in a compact footprint.

  • Page 9: Inside The Rw Series

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Inside the RW Series Cabinet Thermostatic Expansion Valve All unit frames are constructed of heavy gauge steel channel and All reversible chillers utilize balanced painted with a corrosion resistant black, polyester, powder coat port, bi-directional, thermostatic paint.
  • Page 10 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Inside the RW Series cont. Flow Switch galvanized steel painted with gray textured, polyester, powder coat paint rated at more than 1,000 hours salt spray rating. The A flow switch or equivalent must be installed on the evaporator for enclosure includes heavy duty hinged doors that can be easily each unit to be installed.
  • Page 11 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Inside the RW Series cont. Short Circuit Current Rating Fuses An optional factory mounted, fused disconnect provides the Reversible chillers come with same benefits as the non-fused version yet increases the short non-indicating CUBEFuse...
  • Page 12 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Controls - FX10 FX10 Microprocessor and BAS System Standard Features • Anti Short Cycle • High Pressure Protection • Low Pressure Protection • Freeze Detection • Loss of Charge Detection • Random Start •...
  • Page 13 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Controls - FX10 cont. Reversible Chiller Advanced Freeze Dual Circuited Heat Exchanger Protection A low temperature condition on either refrigerant circuit will Detection System prevent the start of both compressors. If the low temperature...
  • Page 14 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Controls - FX10 cont. operation the compressor output (BO-2) will be disabled. The Compressor Minimum On Delay compressor will not restart until the compressor short cycle time The compressor minimum on delay will ensure that the compressor delay has been satisfied.

  • Page 15: Controls

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Controls - FX10 cont. Inputs and Outputs Configuration • When the controlling temperature sensor is set to select the Load EW Temp, the setpoint control will operate in a PID Field Selectable Options (Proportional-Integrating-Derivative) mode. In this mode,...

  • Page 16: Rw Series Application Notes

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW Application Data 1.0. Minimum Fluid Volume A differential pressure switch can be used in place of a fl ow switch. The differential switch must be capable of pressure Water-to-water heat pumps require a minimum amount of range as indicated in the pressure drop tables.

  • Page 17: Water Quality

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW Application Data cont. 1.6. Insulation 1.7. Brine Applications Heat pumps are built with factory installed insulation on any Applications where the leaving fl uid temperature goes below surface that may be subject to temperatures below the room 40°F a suitable brine solution must be used.

  • Page 18: Selection Process

    The easiest and most accurate method to • For applications using water, the leaving water temperature size and select heat pump equipment is to use Johnson Controls must stay above 40°F. IPE selection program. Specifi c design information such as •...
  • Page 19 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW Typical Piping, cont. p g, Standard Piping Factory Installed Field Supplied and Installed Pump Isolation Valves From Load 1/4” NPT Strainer Brazed Plate Water Pressure/Temperature Heat Exchanger Temperature Port Sensors To Load Isolation Valve Note: System piping should have drain ports to enable flushing and cleaning of heat exchangers.

  • Page 20: Physical Dimensions

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Physical Dimensions EMERGENCY STOP SWITCH DISCONNECT SWITCH CONTROL BOX COVER SERVICE PORTS MAIN POWER CONNECTION SOURCE WATER OUT SOURCE FX-10 WATER IN CONTROLLER DISPLAY LOAD WATER IN ACCESS DOOR LOAD WATER OUT SIDE ACCESS...
  • Page 21 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Physical Dimensions. cont. DETAIL A 25.00 24.00 52.00 24.00 SHADED AREAS REPRESENT REQUIRED CLEARANCE FOR SERVICE & MAINTENANCE OF EQUIPMENT. Model 57.0 42.0 63.1 15.9 19.5 120-180 [1448] [1067] [1603] [404] [495] [246] [33] [50.8]...

  • Page 22: Vibration Isolators

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Vibration Isolators Rubber Isolators Part Max Load, Type Color Code Deflection, in Number 99S502-01 Green 0.50 • Compatible with RW120-180 Part Max Load, Type Color Code Deflection, in Number 99S502-02 Green 0.50 • Compatible with RW240-600...

  • Page 23: Physical Data

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Physical Data Total Weight Refrigerant Compressor Charge* Shipping Installed Scroll (2) [2.4] [327] [323] Scroll (2) [3.5] [381] [384] 10.5 1130 1152 Scroll (2) [4.8] [514] [524] 17.9 1320 1388 Scroll (2) [8.1] [600] [631] 27.3...

  • Page 24: Electrical Data

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Electrical Data Total Compressor Rated Voltage Unit Circ Fuse/ Fuse/ Voltage Min/Max HACR HACR 208-230/60/3 187/253 36.0 23.1 160.0 46.2 52.0 60.0 460/60/3 414/506 19.0 12.2 87.0 24.4 27.5 30.0 575/60/3 517/633 13.5 62.0 17.4...

  • Page 25: Antifreeze Correction

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Antifreeze Correction Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given. Heating Cooling Antifreeze % Pressure Antifreeze Type by wt Drop Load Source Load Source EWT - °F [°C]...

  • Page 26: Reference Calculations

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT - LWT = EWT + GPM x 500* GPM x 500* NOTE: * When using water. Use 485 for 15% methanol/water or Environol solution. Legend and Notes...

  • Page 27: Pressure Drop

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Pressure Drop p Pressure Drop (psi) 30°F 50°F 70°F 90°F 110°F 4/29/14 Water Pressure Drop vs. Flow at 30°F Model 120 Model 180 Model 240 Model 360 Model 600 Flow (gpm) Note: Pressure drop is the same for load and source heat exchangers at 30°F fluid temperature.

  • Page 28: Performance Data

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW120 Performance Data Heating Source Load Flow - 20 GPM Load Flow - 30 GPM Load Flow - 40 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F...
  • Page 29 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW120 Performance Data cont. Cooling Source Load Flow - 20 GPM Load Flow - 30 GPM Load Flow - 40 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
  • Page 30 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW180 Performance Data Heating Source Load Flow - 30 GPM Load Flow - 45 GPM Load Flow - 60 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F...
  • Page 31 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW180 Performance Data cont. Cooling Source Load Flow - 30 GPM Load Flow - 45 GPM Load Flow - 60 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
  • Page 32 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW240 Performance Data Heating Source Load Flow - 40 GPM Load Flow - 60 GPM Load Flow - 80 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F...
  • Page 33 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW240 Performance Data cont. Cooling Source Load Flow - 40 GPM Load Flow - 60 GPM Load Flow - 80 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
  • Page 34 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW360 Performance Data Heating Source Load Flow - 60 GPM Load Flow - 90 GPM Load Flow - 120 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F...
  • Page 35 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW360 Performance Data cont. Cooling Source Load Flow - 60 GPM Load Flow - 90 GPM Load Flow - 120 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
  • Page 36 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW600 Performance Data Heating Source Load Flow - 100 GPM Load Flow - 150 GPM Load Flow - 200 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F...
  • Page 37 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG RW600 Performance Data cont. Cooling Source Load Flow - 100 GPM Load Flow - 150 GPM Load Flow - 200 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...

  • Page 38: Wiring Schematics

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Wiring Schematics Chiller with IntelliStart L2 (IN) L2 (OUT) L1 (IN) L1 (OUT) GROUND 24VAC Com 24VAC L2 (IN) L2 (OUT) L1 (IN) L1 (OUT)
  • Page 39 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Wiring Schematics cont. Chiller with Phase Guard GROUND 24VAC Com 24VAC...

  • Page 40: Engineering Guide Specifications

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Engineering Guide Specifi cations PART 1 - GENERAL Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of chillers that SUMMARY fails in materials or workmanship within specified warranty period.
  • Page 41 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Engineering Guide Specifi cations cont. Heat Exchangers: Units shall be capable to communicate thru standard DDC The water to refrigerant heat exchangers shall be dual circuit, protocols such as N2, Lon, and BACnet (MS/TP @ 19,200 copper-brazed 316 stainless steel channel plates, capable Baud Rate).
  • Page 42 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Engineering Guide Specifi cations cont. Differential Pressure Switch Maintain manufacturer's recommended clearances for service Strainers and maintenance. • A strainer connection kit shall be available and includes a 2 in. [50.8 mm] Y-strainer with self-aligning screen and Charge chiller with refrigerant and fill with oil if not factory installed.
  • Page 43 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Engineering Guide Specifi cations cont. • Test and adjust controls and safeties. Replace damaged or malfunctioning controls and equipment. Inspect field-assembled components, equipment installation, and piping and electrical connections for proper assembly, installation, and connection.
  • Page 44 RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Notes...

  • Page 45: Revision Guide

    RW SERIES REVERSIBLE CHILLER SPECIFICATION CATALOG Revision Guide Pages: Description: Date: 28-37 Updated Performance Data - Added 70/120 Heating Data 25 Jun 2014 20-22 Updated Dimensional Data - Added Detail 25 Jun 2014 First Published 31 Mar 2014...
  • Page 48 Product: RW Series Type: Commercial Reversible Chiller - 60 Hz Size: 10-50 Tons Document Type: Specifi cation Catalog Form: 146.00-EG6A (0614) Supercedes: 146.00-EG6A (0314) ©2014 The Manufacturer has a policy of continual product research and development and reserves the right to change design and specifi cations without notice.

This manual is also suitable for:

Rw120Rw180Rw240Rw360Rw600

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