Related Manuals for Johnson Controls JMW Series
Summary of Contents for Johnson Controls JMW Series
- Page 1 Water Source Heat Pumps Installation, Operation, Maintenance Supersedes:14806-NOM1-1221 Form: 14806-NOM1-0223 JMW-Series Water Source Heat Pump MODELS JMW 3-28 Tons 97B0059N07 Issue Date: February 28, 2023...
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Page 2: Table Of Contents
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Table of Contents Model Nomenclature General Information Unit Physical Data... -
Page 3: Model Nomenclature
R e v . : F e b r u a r y 2 8 , 2 0 2 3 Model Nomenclature 4 5 6 0 3 6 MODEL TYPE S = STANDARD JM = JOHNSON CONTROLS Water to Water CONFIGURATION W = WATER TO WATER HEAT PUMP UNIT SIZE LOAD WATER COIL OPTIONS... -
Page 4: General Information
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 General Information ⚠... - Page 5 CAUTION! DO NOT store or install units in corrosive Notify the Johnson Controls Customer Service of all environments or in locations subject to temperature or damage within fifteen (15) days of shipment.
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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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Unit Physical Data Model JMW036 JMW060... -
Page 7: Jmw036-120 - Unit Dimensional Data
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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 JMW036-120 –... -
Page 8: Jmw170 & 340 - Unit Dimensional Data
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 JMW170 & 340 – Unit Dimensional Data Source Load Header... -
Page 9: Unit 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Unit Installation JMW Unit Location - These units are not designed for Locate the unit in an indoor area that allows easy removal... -
Page 10: Piping Installation
⚠ Optional pressure-rated hose assemblies designed WARNING! specifically for use with Johnson Controls units are available. Similar hoses can be obtained from alternate suppliers. WARNING! Polyolester Oil, commonly known as POE oil, is Supply and return hoses are fitted with swivel-joint fittings a synthetic oil used in many refrigeration systems including those with HFC-410A refrigerant. -
Page 11: Water-Loop Heat Pump Applications
Johnson Controls in different configurations as shown DXM2.5 Control: When an antifreeze is selected, the in Figure 2 for connection between the JMW Series and LT1 jumper (JW3) should be clipped to select the low the piping system. The hose kits include shut off valves, temperature (Antifreeze 15°F [-9.4°C]) setpoint to avoid... -
Page 12: Ground-Water Heat Pump Applications
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Ground-Water Heat Pump Applications ⚠... - Page 13 250 psig. This pressure switch mounted on the outlet of the water control valve. On can be ordered from Johnson Controls with a 1/4” internal occasion, these valves can produce a velocity noise that flare connection as part number 39B0005N02.
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Page 14: Ground-Loop Heat Pump Applications
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Ground-Loop Heat Pump Applications ⚠... - Page 15 250 psig. This pressure switch [2.0 to 2.6 l/m per kW] is achieved. Secondly, a flow control can be ordered from Johnson Controls with a 1/4” internal device may be installed. The devices are typically an orifice flare connection as part number 39B0005N02.
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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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Water Quality Standards 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Water Quality Standards, Cont’d.
- Page 18 WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Electrical – Line Voltage JMW Electrical Data SCCR SCCR... -
Page 21: Electrical - Accessories
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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Electrical –... -
Page 22: Electrical - Line Voltage
Unit Power Supply See electrical table for wire and breaker size WAT E R - S O U R C E H E AT P U M P S JMW-Series Grnd HWG PB2 Low Voltage Connector R e v . : F e b r u a r y 2 8 , 2 0 2 3 CXM Control Electrical –... -
Page 23: Electrical - Low Voltage
Figure 7 to change the setting to 10°F, a more suitable temperature when using antifreezes. It should be noted that the extended range option should be specified JW3-LT1 jumper to operate the JMW Series at entering water temperatures should be clipped when L2 L3 Contactor -CC1 below 60°F. -
Page 24: Wiring Diagram Matrix
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Wiring Diagram Matrix Size Unit Controller Voltage... - Page 25 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Controls –...
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Page 26: Unit & System Checkout
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Unit & System Checkout ⚠... -
Page 27: 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Unit Start-Up Procedure ⚠... -
Page 28: Operating Pressures
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Operating Pressures JMW036-340 (JMW120, 340 Per Circuit) Cooling Source... - 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Operating Pressures, Cont’d.
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Page 30: Preventative Maintenance
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Preventive Maintenance Heat Exchanger Maintenance - Cabinet - Do not allow water to stay in contact with the (Direct Ground Water Applications Only) -
Page 31: Start-Up Log Sheet
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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Start-Up Log Sheet Installer: Complete unit and system checkout and follow unit start-up procedures in the IOM. -
Page 32: Refrigeration Troubleshooting Form
WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 Refrigeration Troubleshooting Form Refrigeration Troubleshooting Form Water-to-Water Units Model #:... - Page 33 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 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 34 WAT E R - S O U R C E H E AT P U M P S JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 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 35 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 JMW-Series R e v . : F e b r u a r y 2 8 , 2 0 2 3 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 36: Revision History
97B0059N07 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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