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Summary of Contents for Johnson Controls RH Series
- Page 1 FORM 146.00-EG5 (616) MODEL RH GEOTHERMAL HYDRONIC HEAT PUMP ENGINEERING GUIDE 1.5–6 Tons R-410A Refrigerant...
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Page 3: Table Of Contents
RH SERIES ENGINEERING GUIDE Table of Contents Model Nomenclature ............. . 4 The Hydronic Unit. -
Page 4: Model Nomenclature
3 – IntelliStart not available on 265/60/1 and 575/60/3 voltages. RH Series hydronic units are Safety listed under UL1995 thru ETL and performance tested in accordance with standard AHRI/ISO 13256-2. AHRI does not currently certify water-to-water products under AHRI/... -
Page 5: The Hydronic Unit
RH SERIES ENGINEERING GUIDE The Single Hydronic Series Discharge Muffler Helps Features quiet compressor gas pulsations Zero ODP and low GWP R-410A refrigerant High efficiency copper coaxial heat exchanger (vented Optional Hot Water double walled available only Generator available on on 018 and 025 "heating only"... - Page 6 RH SERIES ENGINEERING GUIDE Single Hydronic Series cont. High Efficiency Easy Maintenance and Service Advantages Large oversized water-to-water refrigerant heat exchangers and • Removable compressor access panels. scroll compressors provide extremely efficient operation. The • Quick attach wiring harnesses are used throughout for Aurora Controls extend this innovation and performance.
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Page 7: Inside The Hydronic Unit
RH SERIES ENGINEERING GUIDE Inside The Single Hydronic Series Refrigerant Service Connections and Serviceability Our products all feature zero ozone depletion and low Two Schrader service ports are global warming potential R-410A refrigerant. provided for each unit. The suction side and discharge side ports are for Cabinet field charging and servicing access. -
Page 8: Water Quality
RH SERIES ENGINEERING GUIDE Water Quality The heat exchangers and water lines in the units are copper General or cupronickel tube. There may be other materials in the Water-to-water heat pumps may be successfully applied building’s piping system that the designer may need to take... -
Page 9: The Aurora Base Control System
RH SERIES ENGINEERING GUIDE The Aurora Base Control System Aurora ‘Base’ Control The Aurora ‘Base’ Control (ABC) System is a complete residential and commercial comfort system that brings all aspects of the HVAC system into one cohesive module network. The... - Page 10 RH SERIES ENGINEERING GUIDE The Aurora Base Control System cont. Aurora ‘Base’ Control DIP Switch (SW2) SW2-1 (Source) FP1 Selection – Low water coil temperature limit setting for freeze detection. On = 30°F; O = 15°F. SW2-2 (Load) FP2 Selection – On = 30°F; O = 15 °...
- Page 11 RH SERIES ENGINEERING GUIDE The Aurora Base Control System cont. Fault Retry – in the fault condition, the control will stage off Over/Under Voltage Shutdown - An over/under voltage the outputs and then “try again” to satisfy the thermostat condition exists when the control voltage is outside the Y input call.
- Page 12 RH SERIES ENGINEERING GUIDE The Aurora Base Control System cont. ABC Control Board Layout Aurora ‘Base’ Control LED Displays These three LEDs display the status, configuration, and fault codes for the control. These can also be read in plain LED1 FP1 –...
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Page 13: Application Notes
RH SERIES ENGINEERING GUIDE Application Notes The Closed Loop Heat Pump Concept low because units can be added to the loop on an "as needed basis"- perfect for speculative buildings. Installed The basic principle of a water source heat pump is the... - Page 14 RH SERIES ENGINEERING GUIDE Application Notes cont. Because auxiliary equipment such as a fossil fuel boiler Plate Heat Exchanger - Closed Loop/Ground Water and cooling tower are not required to maintain the loop temperature, operating and maintenance costs are very low.
- Page 15 RH SERIES ENGINEERING GUIDE Application Notes cont. Cooler/Boiler - Closed Loop • Closed Loop /Cooler-Boiler Systems utilize a closed heat recovering loop with multiple water source heat pumps in the more conventional manner. Typically a boiler is employed to maintain closed loop temperatures above 60°F and a cooling tower to maintain loop temperatures...
- Page 16 RH SERIES ENGINEERING GUIDE Application Notes cont. Heating with hot water is versatile because there are many Baseboard Radiation ways of distributing the heat through the building. The In existing systems, baseboard radiation is typically options range from heavy cast iron radiators seen in older designed to operate with 160°...
- Page 17 RH SERIES ENGINEERING GUIDE Application Notes cont. The heating capacity (Btuh/linear foot) of baseboard Figure 4: Baseboard System radiators drop as the water temperature is reduced. The heating capacity of most baseboard radiators is rated using 200°F water, 65°F air temperature. Listed in Figure 3 is the...
- Page 18 RH SERIES ENGINEERING GUIDE Application Notes cont. A floor heat system can be designed to heat a building with Some pipe manufacturers include an oxygen diffusion water temperatures as low as 90°F. barrier in the pipe to prevent oxygen diffusion through the pipe.
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Page 19: Application Notes
RH SERIES ENGINEERING GUIDE Application Notes cont. Figure 6: Fan Coils Controls The control of a mechanical system determines how it functions. For the building to work efficiently and comfortably, the building owner or manager must understand what the system is doing and how to control it. -
Page 20: Dimensional Data
RH SERIES ENGINEERING GUIDE Dimensional Data 2/15/16 Electrical Knockouts Overall Cabinet Water Connections 1/2 in. 3/4 in. 3/4 in. Model cond cond cond Load Load Source Source Load Source Power Depth Height Width Liquid Liquid Liquid Liquid HWG In Water... -
Page 21: Physical Data
RH SERIES ENGINEERING GUIDE Physical Data Model Compressor (1 each) Scroll Factory Charge R410a, oz [kg] 44.0 [1.25] 58.0 [1.64] 70 [1.98] 68 [1.93] 104 [2.95] 110 [3.12] Coax & Piping Water Volume - gal [l]* .52 [1.97] .89 [3.38] 1.0 [3.94]... -
Page 22: Antifreeze Correction
RH SERIES ENGINEERING GUIDE 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] 80 [26.7]... -
Page 23: Ahri/Iso 13256-2 Performance Ratings
RH SERIES ENGINEERING GUIDE AHRI/ISO 13256-2 Performance Ratings English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Cooling Heating Cooling Heating Flow Rate 86°F Source 68°F Source 59°F Source 50°F Source Capacity Model 53.6°F Load 104°F Load 53.6°F Load 104°F Load... -
Page 24: Pressure Drop
RH SERIES ENGINEERING GUIDE Pressure Drop Vented Only Load Side Pressure Drop (psi) Model 30°F 60°F 80°F 100°F 120°F Pressure Drop (psi) Model 60°F 80°F 100°F 120°F 018R* 018H 025R* 025H 040H/R 7/13/09 NOTES: Temperatures are Entering Water Temperatures. 10.0 Double wall vented coax for heating potable water 12.5... -
Page 25: Reference Calculations
RH SERIES ENGINEERING GUIDE Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT - LWT = EWT + GPM x C* GPM x C* HE = C* x GPM x (EWT - LWT) HR = C* x GPM x (LWT - EWT) NOTE: * C = 500 for pure water, 485 for brine. -
Page 26: 018 - Performance Data
RH SERIES ENGINEERING GUIDE 018 - Performance Data Cooling Capacity Source Load Flow-3 GPM Load Flow-4 GPM Load Flow-5 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 37.8 17.8 0.60... - Page 27 RH SERIES ENGINEERING GUIDE 018 - Performance Data cont. Heating Capacity Source Load Flow-3 GPM Load Flow-4 GPM Load Flow-5 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F Operation not recommended 69.8...
- Page 28 RH SERIES ENGINEERING GUIDE 018 DHW - Performance Data cont. Heating Only Capacity Source Load Flow-3 GPM Load Flow-4 GPM Load Flow-5 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
- Page 29 RH SERIES ENGINEERING GUIDE 025 - Performance Data Cooling Capacity Source Load Flow-4 GPM Load Flow-5.5 GPM Load Flow-7 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 36.6 25.9 0.96...
- Page 30 RH SERIES ENGINEERING GUIDE 025 - Performance Data cont. Heating Capacity Source Load Flow-4 GPM Load Flow-5.5 GPM Load Flow-7 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F Operation not recommended 71.0...
- Page 31 RH SERIES ENGINEERING GUIDE 025 DHW - Performance Data cont. Heating Only Capacity Source Load Flow-4 GPM Load Flow-5.5 GPM Load Flow-7 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F...
- Page 32 RH SERIES ENGINEERING GUIDE 040 - Performance Data Cooling Capacity Source Load Flow-5 GPM Load Flow-7.5 GPM Load Flow-10 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 34.0 38.7 1.38...
- Page 33 RH SERIES ENGINEERING GUIDE 040 - Performance Data cont. Heating Capacity Source Load Flow-5 GPM Load Flow-7.5 GPM Load Flow-10 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F Operation not recommended 72.2...
- Page 34 RH SERIES ENGINEERING GUIDE 050 - Performance Data Cooling Capacity Source Load Flow-8 GPM Load Flow-11.5 GPM Load Flow-15 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 35.8 55.2 1.98...
- Page 35 RH SERIES ENGINEERING GUIDE 050 - Performance Data cont. Heating Capacity Source Load Flow-8 GPM Load Flow-11.5 GPM Load Flow-15 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 11.5 Operation not recommended 71.3...
- Page 36 RH SERIES ENGINEERING GUIDE 060 - Performance Data Cooling Capacity Source Load Flow-9 GPM Load Flow-13.5 GPM Load Flow-18 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 36.0 61.1 2.23...
- Page 37 RH SERIES ENGINEERING GUIDE 060 - Performance Data cont. Heating Capacity Source Load Flow-9 GPM Load Flow-13.5 GPM Load Flow-18 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 13.5 Operation not recommended 71.1...
- Page 38 RH SERIES ENGINEERING GUIDE 075 - Performance Data Cooling Capacity Source Load Flow-10 GPM Load Flow-14.5 GPM Load Flow-19 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 34.7 74.0 3.14...
- Page 39 RH SERIES ENGINEERING GUIDE 075 - Performance Data cont. Heating Capacity Source Load Flow-10 GPM Load Flow-14.5 GPM Load Flow-19 GPM Flow Power Power Power °F °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F °F MBTUH MBTUH °F 14.5 Operation not recommended 72.1...
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Page 40: Wiring Schematics
RH SERIES ENGINEERING GUIDE Wiring Schematics Aurora Control - 208-230/60/1 Violet/White (8) Black/White (1) Load Pump 5A Circuit Breaker Compressor 208-230/60/1 Pump Black/White (2) Violet/White (9) Blue 5A Circuit Breaker Black Black/White (3) Capacitor Source Pump Pump Pump 1/2 hp Total... - Page 41 RH SERIES ENGINEERING GUIDE Wiring Schematics cont. Aurora Control - 208-230/60/1 Notes Blue 1 - Switch blue and red wires for 208V operation. Compressor 2 – HydroZone controller is an optional field installed accessory. 3 – Reversing Valve wires not installed on heating only option...
- Page 42 RH SERIES ENGINEERING GUIDE Wiring Schematics Aurora Water-Water - 208-230/60/3 LED1 LED2 Compressor FP1 – 15 F/30 ECM PWM FP2 – 15 F/30 RV – B/O Fault Config ACC – Dip 4 ACC – Dip 5 LED3 CC – Dual/Single SW1 Test L –...
- Page 43 RH SERIES ENGINEERING GUIDE Wiring Schematics Aurora Water-Water - 208-230/60/3 Black Yellow L2 (IN) 3 Phase Blue L2 (OUT) IntelliStart Black L1 (IN) L1 (OUT) Black Softstart Option Transformer Yellow NOTE 6 208V Black/White NOTE 2 NOTE 3 Yellow Yellow...
- Page 44 RH SERIES ENGINEERING GUIDE Wiring Schematics - Commercial Aurora Water-Water - 460/60/3 LED1 LED2 FP1 – 15 F/30 Compressor ECM PWM FP2 – 15 F/30 RV – B/O Fault Config ACC – Dip 4 ACC – Dip 5 LED3 CC – Dual/Single SW1 Test L –...
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Page 45: Wiring Schematics
RH SERIES ENGINEERING GUIDE Wiring Schematics - Commercial cont. Aurora Water-Water - 460/60/3 Black Yellow L2 (IN) 3 Phase Blue L2 (OUT) IntelliStart Black L1 (IN) L1 (OUT) Black Softstart Option Transformer Yellow Black/White NOTE 2 NOTE 3 Yellow Yellow... -
Page 46: Accessories And Options
RH SERIES ENGINEERING GUIDE Accessories and Options IntelliStart four (4) of the pump kits can be used for hydronic heating applications as long as they meet the flow requirements. IntelliStart is a single phase compressor soft starter which If the flow requirements are outside the pump curve, an reduces the normal start current (LRA) by 60-70%. -
Page 47: Accessories And Options
RH SERIES ENGINEERING GUIDE Accessories and Options cont. Figure 9: Geothermal Storage Tank From Geo To Geo 59˝ Dip Tube 1˝ x 3˝ Nipple w/1˝ x 3˝ Nipple PRIMARY ANODE 39˝ - 80 Gallon 42˝ - 119 Gallon 8˝ HOT OUTLET 3/4˝... -
Page 48: Engineering Guide Specifications
RH SERIES ENGINEERING GUIDE Engineering Guide Specifi cations General The coaxial water-to-refrigerant heat exchangers shall be designed for low water pressure drop and constructed of The liquid source water-to-water heat pump shall be a a convoluted copper (cupronickel option) inner tube and single packaged heating only or reverse-cycle heating/ a steel outer tube. - Page 49 RH SERIES ENGINEERING GUIDE Engineering Guide Specifi cations cont. An Aurora, a microprocessor-based controller, Accessories interfaces with a external control to monitor and control Hose Kits – Automatic Balancing and Ball Valves unit operation shall be provided. The unit control shall with ‘Y’...
- Page 50 RH SERIES ENGINEERING GUIDE Notes...
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Page 51: Revision Guide
RH SERIES ENGINEERING GUIDE Revision Guide Pages: Description: Date: Commercial Guide Creation 08 June 2016... - Page 52 Printed on recycled paper Form 146.00-EG5 (616) Supersedes: 146.00-EG5 (310) © 2016 Johnson Controls, Inc. P.O. Box 423, Milwaukee, WI 53201 Printed in USA www.johnsoncontrols.com Issued on 6/08/2016...
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