Table of Contents
Troubleshooting
Related Manuals for Johnson Controls JRC Series
Summary of Contents for Johnson Controls JRC Series
- Page 1 Water Source Heat Pumps Installation, Operation, Maintenance Supersedes: 14805-NOM1-0521 Form: 14805-NOM1-1221 JRC-Series Water Source Heat Pump MODELS JRC 0.75-1.5 Tons 97B0035N10 Issue Date: December 8, 2021...
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Page 2: Table Of Contents
Ground-Loop Heat Pump Applications Ground-Water Heat Pump Applications Water Quality Standards Electrical - Line Voltage Electrical JRC Series Wiring Diagram Matrix CXM Controls DXM Controls Safety Features - CXM/DXM Controls Unit Commissioning and Operating Conditions Piping System Cleaning and Flushing... -
Page 3: Model Nomenclature
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Model Nomenclature 1 2 3 J R C... -
Page 4: General Information
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 General Information Safety CAUTION: Indicates a potentially hazardous situation or Warnings, cautions, and notices appear throughout this... - Page 5 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 General Information, Cont’d.
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Page 6: Unit Physical Data
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Unit Physical Data Model Compressor (1 Each) Rotary... -
Page 7: Installation
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Installation The installation of Console Water-Source Heat Pumps 9. - Page 8 WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Installation, Cont’d. ⚠...
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Page 9: Piping Connections - Jrc Size
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Piping Connections –... - Page 10 WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Piping Connections, Cont’d. – JRC Size 18 40.98 (1040) Optional Flow...
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Page 11: Piping Connections
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Piping Connections, Cont’d. -
Page 12: Water-Loop Heat Pump Applications
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Water-Loop Heat Pump Applications Commercial Water Loop Applications - Commercial The piping system should be flushed to remove dirt, piping systems typically include a number of units connected to... -
Page 13: Ground-Loop Heat Pump Applications
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Ground-Loop Heat Pump Applications ⚠... -
Page 14: Ground-Water Heat Pump Applications
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Ground-Water Heat Pump Applications Open Loop - Ground Water Systems - Shut off valves Langelier Saturation indecies should be calculated. - Page 15 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Ground-Water Heat Pump Applications, Cont’d.
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Page 16: Water Quality Standards
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Water Quality Standard Table 2: Water Quality Standards Clean water is essential to the performance and life span of water source heat pumps. - Page 17 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Water Quality Standards, Cont’d.
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Page 18: Piping Connections - Jrc Size
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Water Quality Standards, Cont’d. Measuring Earth Ground Resistance �... - Page 19 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Water Quality Standards, Cont’d.
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Page 20: Electrical - Line Voltage
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Electrical – Line Voltage ⚠... -
Page 21: Electrical
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Electrical Table 4: JRC Electrical Data (60Hz) Pump... - Page 22 WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Electrical, Cont’d. ⚠...
- Page 23 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Electrical, Cont’d.
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Page 24: Jrc Series Wiring Diagram Matrix
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 JRC Series Wiring Diagram Matrix Wiring Diagram Electrical... -
Page 25: Cxm Controls
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 CXM Controls CXM Control - For detailed control information, see CXM DIP switch 2: Stage 2 Selection - provides selection of... -
Page 26: Dxm Controls
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 DXM Controls DXM Control - For detailed control information, see DXM Not Clipped = 30°F [-1°C]. - Page 27 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 DXM Controls, Cont’d.
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Page 28: Safety Features - Cxm/Dxm Controls
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Safety Features – CXM/DXM Controls Safety Features –... - Page 29 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Safety Features –...
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Page 30: Unit Commissioning And Operating Conditions
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Unit Commissioning and Operating Conditions Environment - This unit is designed for indoor installation The commissioning table indicates air and water only. -
Page 31: Piping System Cleaning And Flushing
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Piping System Cleaning and Flushing ⚠... -
Page 32: Unit And System Checkout Procedure
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Unit and System Checkout Procedure ⚠... -
Page 33: Unit Start-Up Procedure
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Unit Start-Up Procedure Unit Start-up Procedure d. -
Page 34: Unit Operating Conditions
• Entering air is based upon 70°F [21°C] DB in heating • Cooling air and water values can vary greatly with and 80/67°F [27/19°C] in cooling; changes in humidity level. Table: 10 JRC Series Typical Operating Pressures and Temperatures (60 Hz I-P Units) JRC09 Cooling Heating... - Page 35 JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Unit Operating Conditions, Cont’d. Table: 10 JRC Series Typical Operating Pressures and Temperatures (60 Hz I-P Units) JRC15 Cooling Heating...
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Page 36: Start-Up Log Sheet
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Start-Up Log Sheet Installer: Complete unit and system checkout and follow unit start-up procedures in the IOM. -
Page 37: Preventive Maintenance
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Preventive Maintenance Water Coil Maintenance - Condensate Drain - In areas where airborne bacteria... -
Page 38: Functional Troubleshooting
WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Functional Troubleshooting Fault Possible Cause Solution... -
Page 39: Performance Troubleshooting
T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Performance Troubleshooting Performance Troubleshooting Htg Clg Possible Cause Solution... -
Page 40: Troubleshooting Form
Location: ________________________ Model Number: ________________________ WAT E R - S O U R C E H E AT P U M P S Serial Number: ________________________ Date: ________________________ JRC-Series Packaged Unit Refrigeration Schematic R e v . : D e c e m b e r 8 , 2 0 2 1 Customer: _____________________________________ Antifreeze: ________________________ Troubleshooting Form Model#: ________________________ Serial#: ________________ Loop type: _______________... - Page 41 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Notes I n s t a l l a t i o n , O p e r a t i o n , M a i n t e n a n c e...
- Page 42 WAT E R - S O U R C E H E AT P U M P S JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Notes I n s t a l l a t i o n , O p e r a t i o n , M a i n t e n a n c e...
- Page 43 T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y JRC-Series R e v . : D e c e m b e r 8 , 2 0 2 1 Notes I n s t a l l a t i o n , O p e r a t i o n , M a i n t e n a n c e...
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Page 44: Revision History
97B0035N10 Johnson Controls works continually to improve its products. As a result, the design and specifications of each product at the time for order may be changed without notice and may not be as described herein. Please contact Johnson Controls’ Customer Service Department at 1-877-329-7430 for specific information on the current design and specifications.
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