YD Dual Centrifugal Chiller

Get the superior performance you want from a chiller that takes up less space with our YD Dual Centrifugal Chiller from YORK®. At Johnson Controls, we've designed the YD Dual Centrifugal Chiller to feature compact configurations for real-world efficiency, energy savings through variable speed drive, environmental sustainability, and enhanced reliability though advanced controls.

A perfect fit for comfort, industrial, or process installations, this chiller utilizes two York® centrifugal compressors operating in parallel and features the most compact configuration in its class.

• Unsurpassed Energy Savings  With the OptiSpeed™ Drive, energy consumption can be as low as .20 kW/TR, reducing annual energy costs by as much as 30%.
• Real-World Efficiency  Designed for maximum efficiency in the real world, where 99% of the cooling season is spent at off design conditions. Save even more energy with the addition of the OptiSpeed-variable-speed drive.
• Environmental Responsibility  HFC134a refrigerant has zero ozone depletion potential and low total global-warming potential.
• Earn LEED® Points  Earn credits for Energy and Atmosphere (EAc1) and for Enhanced Refrigerant Management (EAc4).
• Easy Operation  The OptiView™ Control Center ensures optimum performance and easy operation.
• The YORK® YD™ chillers offer a complete combination of features for total owner satisfaction.
  The YD line of chillers utilize two YORK centrifugal compressors operating in parallel
  on a common set of heat exchanger shells to obtain large chiller capacities, and efficient
  part load operation.
  MATCHED COMPONENTS MAXIMIZE EFFICIENCY
  Actual chiller efficiency cannot be determined by analyzing
  the theoretical efficiency of any
  one chiller component.
  It requires a specific combination of heat exchanger, compressor,
  and motor performance to achieve the lowest system kW/ton. YORK YD chiller technology
  matches chiller system components to provide maximum chiller efficiency under actual –
  not just theoretical operating conditions.
  Real world energy performance
  Johnson Controls pioneered the term “Real World Energy” to illustrate the energy saving
  potential of focusing on chiller performance during off design conditions. Off design is not
  only part load, but full load operation as well, with reduced entering condenser water temperatures
  (ECWTs). Where chillers operate 99% of the time, operating costs add up.
  YORK YD chillers are the only chillers designed to operate on a continuous basis with cold
  ECWT and full condenser flow at all load points, taking full advantage of Real World conditions.
  This type of operation benefits the cooling tower as well; reducing cycling of the fan
  motor and ensuring good coverage of the cooling fill.
  The YD dual compressor chiller provides further energy savings by running in single compressor
  mode at part loads of 50% and lower. The chiller operates more efficiently by running
  with a single more fully loaded compressor. The two compressors share a common
  refrigerant circuit, thereby utilizing the full heat transfer surface available for part load single
  compressor operation.
  YORK YD chillers offer the most efficient Real World operation of any chiller, meaning lower
  operating costs and an excellent return on your chiller investment.
  OPEN DRIVE DESIGN
  Hermetic motor burnout can cause catastrophic damage
  to a chiller. The entire chiller must
  be cleaned and the refrigerant replaced. YORK YD centrifugal chillers eliminate this risk by
  utilizing air cooled motors. Refrigerant never comes in contact with the motor, preventing
  contamination of the rest of the chiller.
  Insurance companies that offer policies on large air conditioning equipment often consider
  aircooled motors
  a significant advantage over hermetic refrigerantcooled
  units.
  The YD chiller uses two motors, each roughly half the size of a motor used on an equivalent
  size single compressor chiller. By staggering the start of these motors, the starting in-rush
  current of each smaller motor is less (Electromechanical and Solid State Starter only). This
  provides a lower burden on the building electrical system. Also, using two smaller motors
  allows low voltage compressor drive motors to be applied on larger chillers. This can be an
  advantage for applications where medium voltage power sources are not available HIGH EFFICIENCY HEAT EXCHANGERS
  YD chiller heat exchangers offer the latest technology
  in heat transfer surface design to
  give you maximum
  efficiency and compact design. Waterside and refrigerant side design
  enhancements minimize both energy consumption and tube fouling.
  SINGLE STAGE COMPRESSOR DESIGN AND EFFICIENCY PROVEN IN THE MOST
  DEMANDING APPLICATIONS
  Designed to be the most reliable chillers we’ve ever made, YORK YD centrifugal chillers
  incorporate singlestage
  compressor design. With fewer moving parts and straightforward,
  efficient engineering, YORK singlestage
  compressors have proven durability records in
  the U.S. Navy, hospitals, chemical plants, gas processing plants, and in other applications
  where minimal downtime is a crucial concern.
  In thousands of installations worldwide, YORK single stage compressors are working to
  reduce energy costs. High strength aluminum alloy compressor impellers
  feature backward curved
  vanes for high efficiency. Airfoil shaped pre rotation vanes minimize flow
  disruption
  for the most efficient part load performance. Precisely
  positioned and tightly fitted,
  they allow the compressor to unload smoothly from 100% to minimum load for excellent
  operation in air conditioning applications.
  Precision control of compressor oil pressure
  Utilizing our expertise in variable speed drive technology and applications, Johnson Controls
  has moved beyond the fixed head and bypass approach of oil pressure control. The
  old approach only assures oil pressure at the outlet of the pump rather than at the compressor,
  and allows no adjustment during chiller operation. The YD chillers feature two variable
  speed drive oil pumps, monitoring and providing the right amount of oil flow to each compressor
  on a continuous basis. This design also provides sophisticated electronic monitoring
  and protection of the oil pump electrical supply, ensuring long life and reliable operation
  of the oil pump motor. Variable speed drive technology reduces oil pump power consumption,
  running only at the speed required, rather than at full head with a pressure regulating
  bypass valve.
  FACTOR Y PACKAGING REDUCES FIELD LABOR COSTS
  YORK YD centrifugal chillers are designed to keep installation costs low. Where installation
  access is not a problem, the H9, K1 and K2 compressor size YD dual compressor chillers
  may be shipped completely packaged. In order to save on shipping and rigging costs,
  larger K3 to K7 compressor size units are disassembled into four major components: two
  drivelines, the evaporator, and the condenser. Piping break points are flanged, and wiring
  connections are simple plug connections to ensure a simple chiller commissioning utilizing
  a Variable Speed Drive or a factory-installed Solid State Starter.
• 

York (Wuxi) air Conditioning and Refrigeration Co. Ltd, Located in Wuxi National High-tech Industrial Park, Jiangsu province, China. Covers an area of 60000 square meters, of which the heavy machine factory building takes up 14,000 square meters. At present, the company has about 500 staffs, in the field of large-size units. York Wuxi is the largest manufacturer in Asia –pacific region with an annual output of more than 3600 sets. Its products not only top on market share in China, but also see tremendous growth in export in recent years.

York Wuxi has six production lines in total, of which five are automated lines, including one air-cooled screw production line, one large-size water-cooled screw unit production line, one small-size water-cooled screw unit production line, and two centrifugal unit production line. All production line adapt the DFT technology, being the first in the industry. The entire work process is compact and rational. With the efficient management method (such as four-color light), these lines have become the most compact, most efficient and most advanced production line in the industry.

York Wuxi is equipped with globally advance equipment in every step of its production process, including:

Most advanced plasma digital cutter which can be used under water

Efficient digital plate bending machine with a roll length up to 4.8 meters

LINCO DC submerged arc welder imported from USA which is the most advanced equipment in the world.

Most advanced digital drill press in the industry.

Four large-sized chiller comprehensive performance test branches, (test capacity per set up to 2000 cold tons, for 10KV high voltage tests and frequency conversion tests), presenting the most advanced level in China.

YORK (CHINA) introduced the Performance Excellence Mode since the beginning of its operation. This mode adopted by most world-class enterprises focuses on the customers. It learns, meets and exceeds the customers’ needs and serves society through its human-oriented strategy and corporate culture. Based on the effective QEHS management system and advanced management tools (e.g. six-sigma).YORK (CHINA) consolidates its leading status in the industry.

1.   YORK RESEARCH AND DEVELOPMENT

In December 2004, to provide high-quality and competitive air conditioning products and refrigeration equipments to the Asia-Pacific region and on the parts of the world, YORK set up the YORK Asia Pacific research and development center in

Wuxi.

The center has the most advanced software systems, highly qualified professionals, and various test equipments and systems. The air-cooled test bench, unique in China and the largest in the

Asia-Pacific region, which has complete spring base for the equipment vibration test, can lower the noise to 20db by means of muffle devices. It also can carry out the working environment temperature simulation test by changing the indoor temperature via air conditioning and refrigeration system.

Since its establishment, the R&D center is dedicated to development efficient, energy saving, environment friendly products with independent intellectual property and unique technology and to the research of thermal conductivity, noise vibration and reliability to meet the needs of refrigeration &air conditioning in China and even the entire Asia-Pacific region. At the same time, the R&D center is also working closely with YORK international’s R&D division to develop money advanced products that can meet the global needs, In fact, innovation and renovation of many core technologies are happening in the Wuxi center.

2.   YORK SEVICES INTRODUCTION

York Air Conditioning & Refrigeration Service Centre was established in 1993 in Shanghai. The Service Centre is now having stations in Beijing, Nanjing, Guangzhou, Xiamen, Wuhan and Shenzhen, and service representatives in Shantou, Changsha, Chengdu, Jinan, Dalian, Harbin and Hangzhou, and so on. Using our established service center networks throughout China, we are able to provide full after-sales services to all our customers in China.

At the same time, the service center is having a bonded spare parts warehouse in Shanghai. The spare parts warehouse will serve the spare part needs for our customers with minimum delivery time.

Qinhao Zhan

HVAC&R Engineer

Refrigeration and Process Systems

China Refrigeration (York by Johnson Controls)

Mobile:+86 13818154378  18625150627

QQ:    826554493

862417098

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