Air-to-Water Inverter Scroll Heat Pump: YMAE0035 to 140
A complete range from 35 Tons up to 140 Tons.
Key components include: Brazed plate heat exchanger, OptiView LT Controller (compatible with Verasys), Inverter scroll with EVI technology, EC fans, Air-side heat exchangers, and Suction accumulator. Uses R-454B refrigerant.
Four-pipe benefits and operation:
- Full capacity in heating-only or cooling-only mode.
- Simultaneous heating-and-cooling mode using recovered energy.
- Supports balanced or unbalanced loads in simultaneous heating and cooling mode.
- Independent and dynamic control of both hot and chilled water temperatures.
Exceeds Efficiency Standards
The YORK YMAE Air-to-Water Inverter Scroll Heat Pump is designed to meet tomorrow's efficiency standards. It delivers performance beyond typical levels, boasting an industry-leading part-load IPLV efficiency of up to 20.01 under AHRI conditions. This is achieved through an optimized combination of efficiency-enhancing technologies from Johnson Controls.
Key Technologies:
- Direct current (DC) inverter technology: Provides variable capacity control, allowing compressors to operate more efficiently across cooling loads and ambient temperatures compared to constant-speed heat pumps.
- Electronically commutated (EC) fans: Utilize efficient motors and improved aerodynamics for better system efficiency and sound performance, especially at part-load conditions. Head pressure control optimizes system efficiency and ensures reliable operation, contributing to a displacement power factor as high as 0.93.
- High-efficiency brazed plate heat exchanger: Uses less refrigerant, transfers heat more efficiently, and results in a lower water-side pressure drop, reducing pump energy consumption.
- Dual circuit design: Ensures the entire heat transfer surface area remains active at part load for exceptional year-round performance.
- Simultaneous heating and cooling (SHC) version: Intelligently balances heat within the building, conserving energy. Excess heat is captured or rejected as needed, with setpoints for both loops controlled for maximum stability.
Performance Without Compromise:
The YORK YMAE offers a no-compromise solution for various climates. It maintains efficiency across a wide operating envelope, from up to 118°F ambient in cooling mode to -13°F ambient in heating mode. It delivers up to 20% more heating capacity at low ambient conditions. The unit features the smallest installed footprint for its capacity range, making it ideal for smaller spaces. Its modular configuration allows for scalability and continued operation of other modules during maintenance, reducing downtime.
The coefficient of performance in simultaneous heating-and-cooling mode (COPshc) is calculated as (Cooling capacity + heating capacity) / Electrical power input. The YMAE exceeds a COPshc of 8.
The system offers three levels of sound performance, with an optional Ultra Quiet Kit available to further reduce sound power by 5dBA.
Key Performance Metrics:
- IPLV = 20.01
- EER = 10.2
- COPshc = 8.1
The YMAE is positioned as a top-tier performer in its class.
Advanced Control Made Easy
The YORK YMAE integrates advanced controls and communication technologies to manage comfort, productivity, and energy usage. It connects seamlessly to building controls, such as the Verasys system, enabling self-identification and interoperability.
Verasys Features:
- Plug-and-play experience with no programming or commissioning tools required.
- Secure remote access via the internet.
- Alarm notifications via email or text.
- User-friendly graphical interface for easy access to critical equipment and facility information, minimizing downtime and repair costs.
- Enhanced energy efficiency control through demand control, matching energy requirements to equipment supply.
The system offers flexibility with standard BACnet MS/TP, Modbus RTU, or N2 connectivity for integration with building management systems. An embedded control capability allows multiple heat pumps to be connected and monitored via a single controller with a touchscreen, web-style interface, and intuitive navigation. Information can be displayed in multiple languages.
Plug-and-play experience overview:
The system architecture includes remote access via internet, a Verasys building hub, the YMAE Air-to-Water Inverter Scroll Heat Pump, an air handling unit, a Verasys zone controller, a room module, and fan coil units.
A History of Reliability
YORK solutions are designed for efficient, reliable cooling and heating, aiming to lower costs and maximize uptime. Johnson Controls offers local stocking for quick shipment and standardized, locally-stocked parts for system reliability.
The YORK YMAE builds on a legacy of cooling solutions and technology leadership, utilizing DC inverter technology proven over 30 years and inverter scroll technology since 1985. Units undergo Highly Accelerated Life Test (HALT) to simulate extreme conditions and ensure long-term reliability.
Key Reliability Features:
- Decades of extensive air-cooled expertise backed by proven components used globally.
- Intelligent defrost optimizes cycle sequencing, allowing other modules to continue providing heat.
- Compressor management improves reliability by balancing operation time between compressors.
- Smart logic controller coordinates and optimizes units for off-design and part-load operation.
- Compliance and certifications include UL 60335 and AHRI certification.
The YORK YMAE delivers industry-leading efficiency, flexibility, sound performance, control capability, and long-lasting reliability through advanced components and innovative design.
Dedicated to Sustainability
Johnson Controls is committed to protecting the environment, a principle dating back to its founder, Warren S. Johnson, and his invention of the electric thermostat in 1885. The company's products and services help customers consume less energy and conserve resources.
Extensive research has been conducted on refrigerants, evaluating capacity, longevity, efficiency, safety, availability, Global Warming Potential (GWP), and Ozone Depletion Potential (ODP).
The YORK YMAE utilizes R-454B refrigerant, chosen for its low GWP (466) and zero ODP, classifying it within the HFO class. R-454B is recognized by the EPA as having the lowest GWP for unitary applications among ASHRAE A2L refrigerants. It complies with the HFC Phase Down plan and has physical properties similar to R-410A, allowing for reuse of many components. This model uses 10% less refrigerant than R-410A units, reducing waste and environmental impact.
For more information on transitioning to low-GWP refrigerants, visit johnsoncontrols.com/corporate-sustainability/commitments/refrigerant-transition.
Sustainability Pillars:
- Safe and reliable: Addresses toxicity and flammability, requiring systems designed for new refrigerants and long-term testing.
- Efficient and sustainable: Prioritizes energy efficiency to reduce carbon footprint, ensuring performance values meet or exceed current refrigerants.
- Available and affordable: Emphasizes local availability and reasonable cost for building owners.
GWP Comparison:
A chart shows Global Warming Potential (GWP) values:
- R-410A: 2,088
- YORK YMAE Air-to-Water Inverter Scroll Heat Pump (R-454B): 466
- R-32: 675
- R-452B: 698
R-454B offers significant advantages: 78% lower GWP than R-410A, 31% lower GWP than R-32, and requires 10% less charge than R-410A.
Safety is Our Priority
The YORK YMAE Air-to-Water Inverter Scroll Heat Pump is designed for safe operation, with R-454B refrigerant selected for its safety and low toxicity. R-454B has a 78% lower GWP than R-410A and is classified as A2L (non-toxic and difficult to ignite).
The heat pump is equipped with refrigerant leakage detection sensors, additional ventilation, and software for leak warning messages. Multiple functional and reliability tests enhance quality assurance. The system design has been verified by a third-party certification body for customer peace of mind.
Refrigerant Safety Groups:
Based on ASHRAE Standard 34 Safety Classification:
| Flammability | Toxicity | |
|---|---|---|
| Lower | A3 | B3 |
| A2 | B2 | |
| Difficult to Ignite and Sustain | A2L | B2L |
| No Flame Propagation | A1 | B1 |
| Lower | Higher | |
| No identified toxicity at concentrations ≤ 400ppm | Evidence of toxicity below 400ppm |
Key Safety Features:
- Customized hermetic scroll compressors designed for A2L refrigerant.
- Optimized plate heat exchanger, suitable for R-454B application.
- A ventilation system installed inside the unit to ensure no A2L gas accumulates.
- Leakage detection sensor equipped to detect any gas leakage.
Performance Specifications
Two-Pipe Model
| YMAE0035PJP | YMAE0070PJP | YMAE0105PJP | YMAE0140PJP | |
|---|---|---|---|---|
| Cooling Mode (1) | ||||
| Cooling Capacity | 35 Ton | 70 Ton | 105 Ton | 140 Ton |
| Input Power | 41.17 kW | 82.40 kW | 123.5 kW | 164.8 kW |
| EER | 10.2 BTU/W | |||
| IPLV | 20.01 BTU/W | |||
| Heating Mode (A47°F/43°F, W105°F) (2) | ||||
| Heating Capacity | 458.4 MBH | 916.8 MBH | 1,375 MBH | 1,834 MBH |
| Input Power | 38.94 kW | 77.88 kW | 116.8 kW | 155.8 kW |
| COPH | 3.45 kW/kW | |||
| Sound Power Level (Cooling) | 84 dB(A) | 87 dB(A) | 90 dB(A) | 91 dB(A) |
| Refrigerant | ||||
| Type | R-454B | |||
| Refrigerant Circuit | 2 No. | 4 No. | 6 No. | 8 No. |
| Refrigerant Charge/Circuit | 25.4 lb | |||
| Compressor | ||||
| Type | DC inverter EVI scroll | |||
| Capacity Step | Stepless (Inverter) | |||
| Quantity | 2 No. | 4 No. | 6 No. | 8 No. |
| Air-Side Heat Exchanger | ||||
| Coil Type | Copper tube, aluminum plate fin | |||
| Fan Type | Axial fan, EC inverter motor | |||
| Fan Quantity | 2 No. | 4 No. | 6 No. | 8 No. |
| Total Air Flow Rate | 25,900 cfm | 51,800 cfm | 77,700 cfm | 103,600 cfm |
| Working Ambient Temp (Cooling) | -4 to 118.4 °F | |||
| Working Ambient Temp (Heating) | -13 to 109.4 °F | |||
| Water-Side Heat Exchanger | ||||
| Type | Braze plate exchanger | |||
| Water Connection | Victaulic | |||
| Nominal Water Flow Rate (Cooling) (1) | 83.38 gpm | 166.8 gpm | 250.1 gpm | 333.5 gpm |
| Nominal Water Flow Rate (Heating) (2) | 83.38 gpm | 166.8 gpm | 250.1 gpm | 333.5 gpm |
| Pressure Drop (Cooling) (1) | 13.7 ft H₂O | |||
| Pressure Drop (Heating) (2) | 12.9 ft H₂O | |||
| Working-Range Leaving-Water Temperature (Cooling) | 14 to 68 °F | |||
| Working-Range Leaving-Water Temperature (Heating) | 77 to 140 °F | |||
| Dimensions and Weight | ||||
| Length (w/o Pump Kit) | 88.2 in. | 120.1 in. | 192.9 in. | 265.8 in. |
| Width (w/o Pump Kit) | 47.2 in. | 88.2 in. | 88.2 in. | 88.2 in. |
| Height (w/o Pump Kit) | 99.0 in. | |||
| Shipping Weight (w/o Pump Kit) | 2,370 lb | 5,164 lb | 7,870 lb | 10,569 lb |
| Operation Weight (w/o Pump Kit) | 2,403 lb | 5,230 lb | 7,969 lb | 10,701 lb |
| Electrical Features | ||||
| Voltage | 460/3/60 V/ph/hz | |||
| MCA (w/o Pump Kit) | 74 Amps | 140 Amps | 206 Amps | 272 Amps |
| RLA (w/o Pump Kit) | 66 Amps | 132 Amps | 198 Amps | 264 Amps |
Four-Pipe Model
| YMAE0035PJS | YMAE0070PJS | YMAE0105PJS | YMAE0140PJS | |
|---|---|---|---|---|
| Cooling Mode (1) | ||||
| Cooling Capacity | 35 Ton | 70 Ton | 105 Ton | 140 Ton |
| Input Power | 41.17 kW | 82.34 kW | 123.5 kW | 164.7 kW |
| EER | 10.2 BTU/W | |||
| IPLV | 20.01 BTU/W | |||
| Heating mode (A47°F/43°F, W105°F) (2) | ||||
| Heating Capacity | 450.8 MBH | 901.5 MBH | 1,352 MBH | 1,803 MBH |
| Input Power | 37.21 kW | 74.42 kW | 111.6 kW | 148.8 kW |
| COPH | 3.55 kW/kW | |||
| Simultaneous heating and cooling mode (Cooling chilled LWT 44°F, heating hot EWT/LWT 95°F/105°F) (3) | ||||
| Cooling Capacity | 34.1 Ton | 68.2 Ton | 102.3 Ton | 136.4 Ton |
| Heating Capacity | 546 MBH | 1,092 MBH | 1,638 MBH | 2,184 MBH |
| Input Power | 34.60 kW | 69.2 kW | 103.8 kW | 138.4 kW |
| COPshc | 8.1 kW/kW | |||
| Sound Power Level (Cooling) | 84 dB(A) | 87 dB(A) | 90 dB(A) | 91 dB(A) |
| Refrigerant | ||||
| Type | R-454B | |||
| Refrigerant Circuit | 2 No. | 4 No. | 6 No. | 8 No. |
| Refrigerant Charge/Circuit | 25.4 lb | |||
| Compressor | ||||
| Type | DC inverter EVI scroll | |||
| Capacity Step | Stepless (inverter) | |||
| Quantity | 2 No. | 4 No. | 6 No. | 8 No. |
| Air-Side Heat Exchanger | ||||
| Coil | Copper tube, aluminum plate fin | |||
| Fan | Axial fan, EC inverter motor | |||
| Fan Quantity | 2 No. | 4 No. | 6 No. | 8 No. |
| Total Air Flow Rate | 25,900 cfm | 51,800 cfm | 77,700 cfm | 103,600 cfm |
| Working Ambient Temp (Cooling) | -4 to 118.4 °F | |||
| Working Ambient Temp (Heating) | -13 to 109.4 °F | |||
| Water-Side Heat Exchanger | ||||
| Type | Braze plate exchanger | |||
| Water Connection | Victaulic | |||
| Nominal Water Flow Rate (Cooling) (1) | 83.97 gpm | 167.9 gpm | 251.9 gpm | 335.9 gpm |
| Nominal Water Flow Rate (Heating) (2) | 90.04 gpm | 180.1 gpm | 270.1 gpm | 360.2 gpm |
| Nominal Water Flow Rate (SHC) (3) | 83.9 (cooling) / 109.1 (heating) gpm | 167.8 (cooling) / 218.2 (heating) gpm | 251.7 (cooling) / 327.3 (heating) gpm | 335.6 (cooling) / 436.4 (heating) gpm |
| Pressure Drop (Cooling) (1) | 13.4 ft H₂O | |||
| Pressure Drop (Heating) (2) | 15.3 ft H₂O | |||
| Pressure Drop (SHC) (3) | 13.4 (cooling) / 22.0 (heating) ft H₂O | |||
| Working-Range Leaving-Water Temperature (Cooling) | 14 to 68 °F | |||
| Working-Range Leaving-Water Temperature (Heating) | 77 to 140 °F | |||
| Working-Range Leaving-Water Temperature (SHC) | 14 to 68 (cooling) / 77 to 140 (heating) °F | |||
| Dimensions and Weight | ||||
| Length (w/o Pump Kit) | 88.2 in. | 120.1 in. | 192.9 in. | 265.8 in. |
| Width (w/o Pump Kit) | 47.2 in. | 88.2 in. | 88.2 in. | 88.2 in. |
| Height (w/o Pump Kit) | 99 in. | |||
| Shipping Weight (w/o Pump Kit) | 2,602 lb | 5,627 lb | 8,564 lb | 11,495 lb |
| Operation Weight (w/o Pump Kit) | 2,668 lb | 5,759 lb | 8,762 lb | 11,759 lb |
| Electrical Features | ||||
| Voltage | 460/3/60 V/ph/hz | |||
| MCA (w/o Pump Kit) | 74 Amps | 140 Amps | 206 Amps | 272 Amps |
| RLA (w/o Pump Kit) | 66 Amps | 132 Amps | 198 Amps | 264 Amps |
High Performance and Flexibility
YMAE Operating Envelopes:
Two-Pipe Unit:
- Cooling Operation Envelope: Graph showing ambient temperature (°F) on the Y-axis and leaving-liquid temperature (°F) on the X-axis. The operational area is defined by curves indicating limits for 'Water or glycol' and 'Glycol'.
- Heating Operation Envelope: Graph showing ambient temperature (°F) on the Y-axis and leaving-liquid temperature (°F) on the X-axis. The operational area is defined by curves indicating limits for 'Water or glycol' and 'Glycol'.
Four-Pipe Unit:
- Cooling Operation Envelope: Similar graph to the two-pipe unit, showing operational limits for 'Water or glycol' and 'Glycol'.
- Heating Operation Envelope: Similar graph to the two-pipe unit, showing operational limits for 'Water or glycol' and 'Glycol'.
- Simultaneous Cooling and Heating Envelope: Graph showing leaving heating liquid temperature (°F) on the Y-axis and leaving cooling liquid temperature (°F) on the X-axis, with operational limits for 'Water or glycol' and 'Glycol'.
The YORK YMAE Air-to-Water Inverter Scroll Heat Pump offers up to eight independent circuits (YMAE 140 has four modules, each with two circuits) for greater flexibility.
Model Configurations:
- YMAE0035: 2 compressors, 2 circuits
- YMAE0070: 4 compressors, 4 circuits
- YMAE0105: 6 compressors, 6 circuits
- YMAE0140: 8 compressors, 8 circuits
Technical Drawings
The document includes detailed technical drawings for various configurations:
YMAE0035PJP Two-Pipe Base Unit & YMAE0035PJS Four-Pipe Base Unit:
- Piping Connection Side (Two-Pipe Unit): Shows PHE inlet and outlet with 2.5in. victaulic connections. Dimensions provided: 780mm (31in.) width, 249mm (9.8in.) depth, 2,515mm (99in.) height. Includes forklift slots and rigging holes.
- Piping Connection Side (Four-Pipe Unit): Shows hot water PHE outlet, cold water PHE inlet, cold water PHE outlet, and hot water PHE inlet, each with 2.5in. victaulic connections. Dimensions provided: 360.5mm (14.2in.) and 420mm (17in.) width segments, 249mm (9.8in.) depth, 390mm (15.4in.) depth.
- Control Panel Side (Two-Pipe / Four-Pipe Unit): Shows the control panel and HMI box. Dimensions provided: 1,380mm (54.3in.) length, 1,794mm (70.6in.) width, 2,515mm (99in.) height. Includes forklift slots and rigging holes.
YMAE0070PJP Two-Pipe Modular Array & YMAE0070PJS Four-Pipe Modular Array:
- Piping Connection Side (Two-Pipe Unit): Shows PHE inlet/outlet with 2.5in. victaulic connections. Overall dimensions for a two-module array: 1,850mm (72.8in.) length per module, 780mm (31in.) width, 2,515mm (99in.) height. Includes forklift slots and rigging holes.
- Piping Connection Side (Four-Pipe Unit): Shows four water connections (hot/cold water PHE inlet/outlet) with 2.5in. victaulic connections. Segment widths: 360.5mm (14.2in.). Overall array length depends on module count.
- Control Panel Side (Two-Pipe / Four-Pipe Unit): Shows control panel and HMI box. Dimensions for a two-module array: 1,200mm (47.2in.) control panel width, 650mm (25.6in.) HMI box width, 1,850mm (72.8in.) module length.
YMAE0105PJP Two-Pipe Modular Array & YMAE0105PJS Four-Pipe Modular Array:
- Piping Connection Side (Two-Pipe Unit): Shows PHE inlet/outlet with 2.5in. victaulic connections. Array configurations shown with multiple modules.
- Piping Connection Side (Four-Pipe Unit): Shows four water connections with 2.5in. victaulic connections.
- Control Panel Side (Two-Pipe / Four-Pipe Unit): Shows control panel and HMI box. Dimensions for a four-module array: 1,200mm (47.2in.) control panel width, 650mm (25.6in.) HMI box width, 1,850mm (72.8in.) module length, 4,900mm (192.9in.) total width for a specific configuration.
YMAE0140PJP Two-Pipe Modular Array & YMAE0140PJS Four-Pipe Modular Array:
- Piping Connection Side (Two-Pipe Unit): Shows PHE inlet/outlet with 2.5in. victaulic connections. Array configurations shown with multiple modules.
- Piping Connection Side (Four-Pipe Unit): Shows four water connections with 2.5in. victaulic connections.
- Control Panel Side (Two-Pipe / Four-Pipe Unit): Shows control panel and HMI box.
Note: Drawings are not to scale.
About Johnson Controls
Johnson Controls (NYSE:JCI) transforms environments for living, working, learning, and playing. As a global leader in smart, healthy, and sustainable buildings, their mission is to reimagine building performance for people, places, and the planet. With nearly 140 years of innovation, they deliver the future blueprint for various industries through their comprehensive digital offering, OpenBlue. Johnson Controls has a global team of 100,000 experts in over 150 countries, offering the world's largest portfolio of building technology and software, alongside trusted service solutions.
Visit www.johnsoncontrols.com or follow @johnsoncontrols.
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