Johnson Controls Premium Efficiency VPCS Series Installation, Operation And Maintenance Manual
Vertical stacked water source heat pumps
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Summary of Contents for Johnson Controls Premium Efficiency VPCS Series
- Page 1 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Installation Guide Form Number: 145.18-IOM2 (1220) Issue date: 2020-12-10 Supersedes 145.18-IOM2 (719) Johnson Controls...
- Page 2 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 3: Table Of Contents
For units with NPSH and JIC valve connection and hose sets............47 For units with NPT style (tapered pipe thread) valve connection and hoses........47 Operation..............................52 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... - Page 4 Limited warranty..........................66 Compressor - five year limited warranty..................66 Labor and cost not covered......................66 Exclusions............................66 R-410A quick reference guide......................67 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 5: Important
Note: Highlights additional information useful to the technician in completing the work being performed properly. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 6: Changeability Of This Document
Vertical Stacked Heat Pump Start-Up and Performance Checklist 145.18-CL1 Vertical Stacked Water Source Heat Pump Heating and Cooling Data 145.18-CL2 Record Sheet Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 7: Cabinet Nomenclature
Cabinet nomenclature Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 8: Chassis Nomenclature
Chassis nomenclature Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 9: Installation
You may also refer to the unit rating plate for a contact name. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 10: Shipping
Result Store the refrigeration chassis in the normal upright orientation to maintain oil in the compressor sump. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 11: Preparations For Installing The Unit
A compressor/unit comprises a pressurized system. Never loosen threaded joints while the system is under pressure, and never open pressurized system parts. DANGER Before servicing, open and tag all disconnect switches. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... - Page 12 Personnel must be qualified according to national safety rules and regulations. WARNING Only manufacturer- qualified personnel should install this system. If not, it may cause water leakage, electric shock, or fire. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 13: Rigging
Do not allow riser stub-outs or risers to contact cabinet sheet metal. WARNING Do not drag risers on the floor while moving the cabinet. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 14: Placing The Cabinet
If the unit does not vibration isolation pads, order them via Source1 and install in the field. Failure to have the isolation kits installed can result in loud unit operation. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 15 Figure 2: Correct/incorrect stub-out positions in cabinet riser opening 10. Braze or solder riser joints with industry accepted solder or brazing rod material. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 16 * Nominal capacity is calculated in accordance with ARI/ISO Standard 13256-1 for water loop application. ** Cabinet weight is approximate and does not include the weight of the risers. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 17 Supply and return openings are 4 inches x 2.5 inches. During riser installation, ensure the stub-out is centered in supply and return openings. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual...
- Page 18 Riser and shut-off location is measured from base of cabinet and does not include the stand height. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 19 Figure 4: Cabinet riser dimensions Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 20: Riser Loop
Tighten using a backup wrench a 1/4 turn further. Do not overtighten. WARNING When installing hoses, do not apply a twist or torque load on the hose. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... - Page 21 1/2-inch NPSH or JIC Female-Female 24–36 3/4-inch JIC Female-Female Table 3: Replacement hose gaskets Part number Description VSGK-UFHW-050 1/2-inch Rubber Gasket Result Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 22 Figure 5: Standard factory supplied npsh hose kits and risers Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 23 Figure 6: Optional field supplied risers with factory supplied npsh hose kits and shut-off valves Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 24 Figure 7: Standard factory supplied jic hose kits and risers Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 25: Electrical Wiring
Follow current NEC ANSI/NFPA 70, CSA C22.1 C.E.C. Part 1, and state and local codes. WARNING Failure to provide these shut-off means could cause electrical shock or fire, resulting in damage, injury, or death. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 26: Field-Installed Low Voltage Wiring
Table 4: Typical wire connections Recommended wire size (gauge) Maximum low voltage wire length (feet) Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 27: Optional Surface Mount Thermostat Connection Wiring
Using a plastic bushing to pass the harness inside electrical box to the factory wired mating Molex harness. See Figure 10 and Figure 11. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 28: Optional Ada Door Mounted Thermostat
Unit is supplied with a custom RA door panel with thermostat mounting holes, unit switch plate with a Molex connector, and an ADA Molex pigtail harness. See Figure 15. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 29: Ec Motor (Ecm) Continuous Fan
RA panels with optional key locks require the key locks to be field installed to the slot in the panel door. ADA RA door panels come with an opening and pilot holes mounting a thermostat. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 30 The RA panel with ADA is not reversible. It must be ordered in either a left or right-hand opening configuration, determined by the location of the door hinge. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual...
- Page 31 24/30/36 29 3/4 23 1/4 27 3/4 ± 1/8 27 1/2 max 31 1/2 max Note: All dimensions are in inches. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 32 RA opening of the cabinet. SA duct collar extensions may be required to prevent short cycling. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 33 Figure 15: RA panel dimensions Note: Powder coated in appliance white. Inside panel lined with 0.5-inch acoustical insulation. Hinged panel complete with magnetic latches. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 34: Supply Air (Sa) Ductwork
RA opening from the space inside the drywall enclosure. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 35: Top Discharge Supply Air
FPM from Table and divide by the supply grille area factor. Figure 17: Supply grille with volume damper and 1/8-inch neoprene tape applied to perimeter Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 36 Figure 18: Unit mounted supply grille installation Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 37 Hi-static blower option is only recommended for units with top supply/opening and appropriate higher external static requirements. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 38: Top Mounted Fresh Air Intake
(DX) coil through the discharge collector box. WARNING Do not allow incoming air to bypass the DX coil, otherwise, damage to the unit may occur. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 39: Top Mounted Fresh Air Intake With Motorized Damper
Drop the plate and disconnect the quick-connect terminals from the harness. Remove the red cover from the actuator body (see Figure ). Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 40 Figure 19: Damper plate fasteners Figure 20: Remove the red cover Figure 21: Position black cover Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 41: System Flushing And Cleaning
Continue to bleed the system until the water leaving the drain is clear, no less than 2 hours. Completely drain the piping system. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 42: Cleaning The System
The customer is responsible for completing adequate water loop maintenance over the lifespan of the units. Otherwise, damage to the units may occur. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 43 Figure 22: System flushing and cleaning Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 44 Figure 23: Fresh air opening without motorized damper – left and right hand unit shown Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 45 Figure 24: Fresh air opening with motorized damper – left and right hand unit shown Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 46: Chassis Installation
Remove the inner service panel from the cabinet, and inspect the interior compartment for debris. Clear all debris and vacuum construction dust from the cabinet. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 47: For Units With Npsh And Jic Valve Connection And Hose Sets
Insert the chassis midway into the opening of the cabinet. Lower the rear of the chassis until the base of the chassis touches the formed mounting rails in the cabinet drain pan (see Figure ). Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... - Page 48 Figure 25: Lift the chassis front Figure 26: Tilt the chassis Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 49 (see Figure ). Figure 28: Pivot the chassis Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 50 The chassis should slide easily on the drain pan rails. DO NOT APPLY EXCESSIVE FORCE. Ensure that the chassis will not tip forward before removing dolly (see Figure ). Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual...
- Page 51 15. Install the RA panel into the drywall opening if not already installed. Refer to Acoustic return air (RA) panel. Secure the panel into the drywall with six screws. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 52: Operation
Water temperature leaving the heat exchanger is warmer than the entering water temperature (EWT) (approximately 9.0–12.0°F). b. The blower operation is smooth. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 53: System Loop Temperature
A low speed, continuous fan only option is also available. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 54: Refrigerant Charge Adjustment
0.05 0.15 0.25 0.35 0.45 0.55 option (CFM) (CFM) Optional fan only High High High Optional fan only High High High Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 55: Unit Controls
• Unit control board has on-board diagnostics and fault code display. • Standard controls include anti-short cycle and low voltage protection. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 56: Sequence Of Operation
Each refrigerant system is monitored for operation outside of the intended parameters. Errors are handled as described below. All system errors override minimum runtimes for compressors. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 57: Safety Controls
A low pressure limit switch to protect against loss of refrigerant charge (opens at 38 psig ± 5 psig). A condensate overflow switch to protect against condensate overflow. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 58: Random Start
(starts at 2), and then flashes that address once. Pressing the button two times within 5 seconds causes the control to flash the address. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... -
Page 59: Communication
+Check for Y1 and ECON jumper on P4. Communication ™ The communication protocol is Modbus using the RTU method of packet framing at 19200-baud rate. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 60: Maintenance
Inspect hoses, valves, and connections for water leaks. For hose connection leaks, inspect rubber hose gaskets and replace them as required. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 61: Appendix
Appendix VPB series wiring diagrams Figure 31: EC motor (ECM), 2 speed fan wiring diagram Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... - Page 62 Table 10: Premium series pressure drop Premium Pressure drop (PSI) series 30.0°F 50.0°F 70.0°F 90.0°F 110.0°F model VPCS09 VPCS12 VPCS15 11.1 10.1 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
- Page 63 30.0°F 50.0°F 70.0°F 90.0°F 110.0°F model VPCS18 13.2 12.1 11.0 22.0 20.2 18.3 16.5 14.7 VPCS24 11.5 10.4 VPCS30 VPCS36 10.9 Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls...
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Page 64: Heating And Cooling Data Record Sheet
Heating and cooling data record sheet Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 65: Notes
Notes Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual Johnson Controls... -
Page 66: Limited Warranty
Limited Warranty. When a defective part can be repaired or replaced, Johnson Controls shall not be obligated to repair the entire unit or any part thereof other than the defective part. -
Page 67: R-410A Quick Reference Guide
If the system must be opened for service, evacuate the system, then break the vacuum with dry nitrogen and replace the filter driers. Premium Efficiency VPCS Series Vertical Stacked Water Source Heat Pumps, a Generation Installation, Operation, and Maintenance Manual... - Page 68 © 2020 Johnson Controls. All rights reserved. Subject to change without notice. 100 JCI Way, York, Pennsylvania USA 17406-8469. Johnson Controls...
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