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VRF

VRF
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VRF

Product catalog summary
Introduction
Johnson Controls introduces the YORK® VRF Systems, highlighting their efficiency and cost-effectiveness through advanced Variable Refrigerant Flow (VRF) technology. The document details the capabilities, control options, and flexibility of the YORK VRF Gen II systems.
Next-Generation Capabilities
The YORK VRF Gen II systems feature re-engineered outdoor units that operate in extreme temperatures, providing heating down to -13°F and cooling down to -4°F, expanding VRF technology's applicability to more projects.
Next-Generation Control
The VRF Smart Gateway integrates VRF system data with building automation systems like Metasys® BAS, enabling 24/7 control from various devices, enhancing system management and efficiency.
Ultimate Flexibility
Multi-Port Change-Over Boxes (COBs) offer design freedom with options from single to 12 ports, allowing customized heating and cooling control across different zones, reducing installation costs.
Precise Solutions
The expanded outdoor unit line offers capacities from 6 to 16 tons, enabling precise system design up to 36 tons, reducing installation costs and providing competitive advantages.
Advanced Technology
YORK VRF Gen II systems include 14 types of indoor units, improved inverter compressors, and redesigned outdoor units for enhanced performance, supporting extended piping distances for greater layout flexibility.
Efficient Performance
VRF systems offer significant energy savings, with up to 39% efficiency improvements over conventional HVAC systems, modular design options, quiet operation, and precise climate control.
Innovative Engineering
Change-Over Boxes are designed for simplicity, quiet operation, and reliability, with built-in strainers and optimized designs for easy service access.
Modular by Design
YORK VRF systems are modular, allowing easy expansion and adaptation to changing space requirements, designed for easy installation and maintenance with noise reduction and reliability features in outdoor units.
Absolute Control
Multiple control options are available, including wireless and programmable units, central station controllers, and the VRF Smart Gateway for comprehensive system management through building automation systems.
VRF Cloud Gateway and YORK® VRF Systems
The VRF Cloud Gateway allows control of HVAC systems via the web using smartphones, tablets, or PCs. YORK® VRF systems are ideal for diverse applications, including buildings with multiple zones and historical renovations where ducted HVAC options are limited.
Key Benefits of VRF Systems
  • Energy savings and low life-cycle costs due to elimination of duct losses and high part-load efficiency.
  • Individual comfort with modular design and advanced controls.
  • Quiet operation with noise-free indoor units.
  • LEED® recognition for efficiency.
Johnson Controls and Hitachi Partnership
Johnson Controls-Hitachi Air Conditioning combines over 100 years of expertise in HVAC, building control, and security systems, offering a wide range of HVAC products, including VRF systems, chillers, and building automation solutions.
Customer Support and Training
  • 24/7 access to VRFPro.com for design, documentation, and support.
  • Comprehensive training programs for sales, design, installation, and service teams.
  • Dedicated support center for application, design, and technical assistance.
Logistics and Delivery
Johnson Controls ensures on-time, accurate deliveries with advanced logistics systems and a high damage-free record.
Training Programs
  • VRF System Design and Engineering: For architects and engineers to design and select equipment.
  • VRF Installation and Commissioning: For contractors and technicians to learn start-up and maintenance procedures.
  • VRF Service and Troubleshooting: For servicing and troubleshooting VRF systems.
  • Controls Commissioning: For installing and commissioning VRF Controls systems.
Features and Benefits of YORK® VRF Systems
  • Long pipe runs and compact footprint for design flexibility.
  • Modular components for easy updates and customization.
  • Low ambient outdoor units for reliable cold-climate performance.
  • Non-ducted and ducted systems for various building needs.
  • Gen II Heat Pump and Heat Recovery Systems for precise zone control.
System Features for Building Owners
  • Rotational Operation: Alternates outdoor unit operation to optimize efficiency and extend service life.
  • Backup Operation Function: Allows maintenance without system downtime.
  • Efficiency Optimization: Certified high efficiency for part-load operation, saving energy.
  • Individualized Comfort: Heat recovery systems provide simultaneous heating and cooling.
  • Noise Reduction: Users can select sound level preferences, ideal for noise-sensitive areas.
Compressor and Outdoor Unit Features
  • DC Inverter-Driven Scroll Compressor: Redesigned for optimum efficiency, featuring dual inverter compressors for increased efficiency.
  • Demand Control: Offers power settings from 100% to 60%, reducing electric demand charges and noise.
  • Dual Fan Design: Increases airflow and decreases sound, extending motor life.
  • Dual Heat Exchanger: Provides more surface area, increasing capacity and efficiency.
Indoor Unit Options
  • 1-Way Cassette: Slim, stylish, and ideal for spaces requiring one-way airflow.
  • 2-Way Cassette: Quiet with bi-directional airflow, suitable for various spaces.
  • 4-Way Mini Cassette: Compact and energy-efficient, suitable for tight spaces.
  • Ceiling-Suspended and Floor-Concealed Units: Designed for efficient airflow distribution and perimeter conditioning.
Control Systems
  • H-Link II Protocol: Controls multiple units from one point, maximizing comfort and energy savings.
  • VRF Smart Gateway: Enables control via building management systems, offering extensive control capabilities.
Conclusion
YORK® VRF Systems offer a wide range of features and benefits, including energy efficiency, ease of installation and maintenance, and advanced control options, making them suitable for various applications and environments.
Specifications and Features of Indoor Units
The document provides detailed specifications and features of various indoor units used in VRF systems by Johnson Controls, specifically under the YORK® brand. These units are designed for different applications, including floor-concealed, ducted high static, medium static, slim, and dedicated outside air systems.
Floor-Concealed Indoor Units
Ideal for installation beneath windows in hallways, these units offer capacities ranging from 6,000 to 15,000 Btu/hr. They feature a compact design suitable for limited spaces and are compatible with interior designs.
Ducted High Static Indoor Units
These units have capacities from 15,000 to 96,000 Btu/hr and are available in various models. They operate on a power supply of AC 1 Phase, 208/230V, 60Hz. Key features include a high-efficiency AC fan motor, multiple fan speed settings, and a built-in condensate pump.
Ducted Medium Static Indoor Units
With capacities from 6,000 to 54,000 Btu/hr, these units are equipped with a high-efficiency DC fan motor and offer multiple fan speed settings. They are designed for easy service access and include a built-in condensate pump.
Ducted Slim Indoor Units
These units are designed for compact spaces with capacities ranging from 6,000 to 18,000 Btu/hr. They feature a high-efficiency DC fan motor, multiple fan speed settings, and a static pressure of up to 0.20 in. WG.
Dedicated Outside Air System (DOAS) Indoor Unit
This unit has a capacity of 96,000 Btu/hr and is designed for integration with the VRF Heat Pump system. It features a pre-installed condensate drain pump and offers high external static pressure for design flexibility.
Control and Piping
The system offers multiple control modes to optimize comfort and energy efficiency, including outlet air temperature control, indoor temperature control, and remote sensor options. Fresh air is introduced into the VRF system using the Dedicated Outside Air System (DOAS) indoor unit to enhance indoor comfort and health.
Outdoor Units Overview
YORK® VRF outdoor units range from 3 to 36 tons, supporting modular combinations. They include Gen II Heat Recovery and Heat Pump models, available in both 208/230V and 460V configurations. The units are categorized into single, double, and triple unit systems, with specific models listed for each tonnage category.
Key Features
  • Extended operating temperature range: Heat pump units operate down to -4°F in cooling mode and -13°F in heating mode with a low-ambient kit.
  • Heat recovery units can simultaneously heat and cool spaces.
  • Long refrigerant piping lengths up to 3,281 feet and vertical distances of 360 feet.
  • Capability to connect up to 64 indoor units on a single network.
  • Power-saving demand control and automatic refrigerant charge verification.
Mini VRF Heat Pump Units
These units are available in 3, 4, and 5-ton capacities, featuring inverter compressor technology. They provide cooling up to 118°F and heating down to -4°F, with options for individual comfort control across multiple zones.
Performance and Specifications
The document includes detailed performance metrics such as cooling and heating capacities, efficiency ratings (EER, SEER, COP, HSPF), and operating ranges for various models. It also outlines the physical dimensions, weight, and electrical requirements for each unit.
Additional Features
The units come with optional accessories like low ambient damper kits, drain adapters, protection nets, and snow protection hoods. The document emphasizes the importance of consulting product manuals or the YORK sales team for more detailed information and limitations.
Management and Integration
The document provides detailed information on the management and integration of YORK® VRF systems by Johnson Controls. It highlights the capabilities of computerized central controllers, integration with building management systems, and the use of smart gateways for enhanced control.
Specifications
The computerized central controllers can manage up to 2,048 groups of systems with a maximum of 2,560 indoor units. The system supports integration with building management systems using the LONWorks® Adapter, which can control up to 160 indoor units and 64 remote control groups.
Integration and Control
The VRF Smart Gateway allows for seamless integration with the Metasys® BAS, providing comprehensive system data access. It supports Ethernet connectivity and is BACnet® compatible, enabling 24/7 monitoring and control via Wi-Fi.
VRF Cloud Gateway
This gateway facilitates integration with smart devices and home automation systems, allowing for remote monitoring and control through a user-friendly interface. It supports various communication protocols including RS232, RS485, and Ethernet.
H-LINK II Network Systems
The H-LINK II system enables control of multiple outdoor and indoor units from a single point, simplifying installation and maintenance. It supports up to 64 refrigerant groups and 160 indoor units, with a total maximum wiring length of 3,281 feet.
Certifications
YORK VRF systems are Intertek ETL Listed and comply with ANSI/UL 1995 and CAN/CSA standards. They are also certified by the Air Conditioning, Heating & Refrigeration Institute under AHRI Standard 1230.
Warranty and Support
For warranty details, terms, and conditions, users are directed to contact the warranty support center or their sales representative.
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Catalog excerpts

VRF-1

Superior Technology and Integration VA R I A B L E R E F R I G E R A N T F L O W S Y S T E M S

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VRF-2

Efficient, Cost-Effective Comfort JOHNSON CONTROLS | YORK® VRF SYSTEMS

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VRF-3

JOHNSON CONTROLS | YORK® VRF SYSTEMS n OPTIONAL PARTS & ACCESSORIES

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VRF-4

VARIABLE REFRIGERANT FLOW SYSTEMS State-of-the-Art Design Brings New Opportunities for VRF Technology YORK® VRF Gen II builds upon the game-changing innovations that make variable refrigerant flow systems the most flexible and energy-efficient HVAC solutions in the world. With an expanded, re-engineered equipment line and new, groundbreaking technology, YORK VRF Gen II offers greater performance, more design freedom, new business opportunities and exceptional control. The YORK VRF Gen II Outdoor Unit line has been re-engineered to perform in an extended operating range, making VRF technology...

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VRF-5

VARIABLE REFRIGERANT FLOW SYSTEMS Next-Generation Control Game-Changing Gateway for Unprecedented Control Johnson Controls' revolutionary VRF Smart Gateway achieves what competitive products only approximate: complete integration of VRF system data with building automation systems such as MetasyS® BAS. Unlike other BACnet® adapters, the VRF Smart Gateway makes integration fast and simple. No special programming or expensive technician time is required because VRF system data is automatically discovered and imported into your BAS: • Quick, easy integration of all detailed data with automatic formatting •...

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VRF-6

Ultimate Flexibility Multi-Port Change-Over Boxes Multiply the Options New Multi-Port Change-Over Boxes (COBs) offer additional design freedom. YORK VRF systems can now be designed for diverse applications using: • Single Port COBs (available in two sizes) – an ideal choice for zones that require individual heating and cooling control. • and 8 Port COBs – provide flexibility and minimize 4 mechanical and electrical installation costs. • 2 Port COBs – offer a maximum total capacity 1 of 22.7 Tons. 12 Port COBs provide flexibility and minimize mechanical and electrical installation costs. A wide...

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VRF-7

VARIABLE REFRIGERANT FLOW SYSTEMS Precise Solutions More Outdoor Units for Right-Sized Systems No other HVAC technology provides as many design options as VRF technology. And now there are even more options with the YORK VRF Gen II line. Units in 6, 8, 10, 12, 14 and 16 ton capacities can be configured in multiple ways to design systems up to 36 tons, providing the precise capacity needed. And larger capacity Heat Pump and Heat Recovery systems can now be designed using fewer units. The result is space-saving solutions that reduce installation costs for a true competitive advantage. Together,...

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VRF-8

VARIABLE REFRIGERANT FLOW SYSTEMS Engineered for Enhanced Performance YORK® VRF Gen II takes VRF technology to the next level with superior performance and an extended product line: ■ 14 different types of Indoor Units increase flexibility and savings: - A multitude of capacities means more design options - Up to 25% improvement in static pressure in medium- and high-static Indoor Units means more flexibility - 4-way cassette, wall-mount and ducted medium-and high-static units are available in additional capacities for more options ■ The re-engineered inverter compressor provides peak performance...

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VRF-9

VARIABLE REFRIGERANT FLOW SYSTEMS The Cost-Effective, Energy-Efficient Choice VRF systems effectively address the ongoing challenge of climate control in buildings - balancing comfort and efficiency - because they deliver just the right amount of heating and cooling to every space using no more energy than necessary. VRF technology achieves this balance by using DC inverter scroll compressors which save energy and avoid the wear and tear of frequent cycling. These compressors improve air conditioning efficiency by modulating refrigerant delivery to each specific zone to meet demand. The advantages...

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VRF-10

Innovative Engineering Taking Technology to the Next Level of Performance We now offer a full line of Change-Over Box options: Single-Port Change-Over Boxes in two sizes and Multi-Port Change-Over Boxes with 4, 8 and 12 ports for ultimate flexibility in system design. Our Change-Over Boxes offer: • Built-in simplicity. The Change-Over Box directs refrigerant to the desired zone and indoor unit(s). Since our design does not produce any condensate, no drain or condensate considerations are required. • uieter operation. Each box has a minimum Q number of valves, engineered to minimize noise and...

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VRF-11

Modular by Design Flexibility is Built into Our System A variety of standard modular components let you customize and size equipment to meet specific project requirements. Because ductwork is generally needed only for ventilation, ducts can be smaller, reducing capital cost and reducing use of valuable space. Systems can easily be adapted as space is reconfigured. Unlike conventional HVAC systems, VRF systems allow the addition of capacity to accommodate expansion simply by adding modular units (system sizes up to 36 tons). There is no need to replace the original unit or reconfigure ductwork....

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VRF-12

Absolute Control Choose from Several Control Options Multiple control options are available, from simple units with on/off, set point, load and speed settings, to programmable units that enable scheduling. Wireless units are available to provide remote control of zone space conditions. C entral station controllers for larger projects provide remote control and scheduling of the entire system from one or more control points. Our leading-edge VRF Smart Gateway provides comprehensive control of all YORK® VRF technology through building automation systems (BAS) such as Metasys® BAS . The new VRF...

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VRF-13

The Optimal Choice An Ideal Solution for Diverse Applications VRF systems suit a wide range of new construction compressors in outdoor units provide extremely and retrofit applications. Projects that VRF technology high part-load efficiency. is particularly well-suited for include: • uildings with multiple zones that have different B comfort needs including: • Individual comfort. Modular design and advanced controls enable precise control to meet diverse comfort needs. Occupants can choose the optimum • medical office buildings set point for their space; the system is designed to • commercial...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.