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  • YDSVariable Refrigerant Flow System

    Digital Scroll Technology 2nd Generation

  • VRF

    SYST

    EM

    YDMH 100, 140, 280, 560, 840 ACooling capacities 11,0 kW to 91,0 kW

    YDS System

    Operating range of nominal power

    (10% - 100 %)

    Digital Scroll Technology

    Long connecting distance between

    outdoor and indoor units

    Real step less capacity adjustment

    Improved oil return

    Does not produce electromagnetic

    interferences

    Comfort Quality

    Capacities from 11 to 91 kW

    Cooling and heating

    Connection up to 32 indoor units to each outdoor unit

    Complete range in R22

    Reduced space of ground

    Flexible installation and easy selection

    Is appropriate particularly for existing buildings

    Cooling to +15C to +45C (outdoor temperature)

    Heating to -7C to +24C (outdoor temperature)

    YDS Variable refrigerant flow system

  • Variable capacity operation and energy saving

    By using high technology digital type Scroll

    compressors, a constant energy control of between

    10% and 100% can be achieved while maintaining a

    greater energy efficiency ratio (EER) when operating

    at low charges. This is a design with a high degree of

    energy efficiency.

    Independent and economic controls

    All indoor units can be controlled independently, thus

    giving stable and excellent performance. Therefore,

    the indoor units do not affect each other and can easily

    avoid unnecessary expenses.

    Easy, practical, economic installation that saves space

    This installation does not require a circuit for oil

    refrigeration. One or more outdoor units can be

    located directly on the roof/terrace.

    The interconnecting tubing can save you installation

    expenses and space. And maintenance is easy.

    Flexible combination of indoor units

    Each outdoor unit allows connecting up to 16 indoor

    units, this amount depending upon the model. The

    total capacity of the indoor units can vary between 50%

    and 130% of the outdoor unit nominal capacity.

    11,0-14,0 kW

    The Digital Scroll Compressor uses a simple and

    effective method to modulate the capacity of an AC,

    giving unparalleled performance in the modulation field.

    To modulate the capacity the Digital Scroll operates in

    two stages, the loaded state in which the compressor

    works as a normal Scroll compressor at full capacity

    and mass flow, and the unloaded state, where there

    is not capacity and mass flow. During the unloaded

    state there is a separation between the scrolls. Once the

    scrolls separate, any gas passing through is no longer

    compressed. Changing the cycle time (Loaded state

    time and Unloaded state time) determines the capacity

    modulation of the compressor.

    Technology of future:Digital Scroll Compressor operation

    Lift piston assembly

    Bleed hole

    Modulation chamber

    Spring

    Solenoid valve

    29,0 kW 60,0 kW 91,0 kW

  • VRF

    SYST

    EM YDS System - System Diagram

    Communication system connection

    Communication control connection

    Refrigerant collector

    Out

    door

    uni

    t po

    wer

    sup

    ply

    Central control Infraredremote controlInfrared

    remote controlInfrared

    remote control Wired control

    Indoor unit power supply

    Infraredremote control

    Management System YDSThe possible connection to an overall BMS will be available soon

    via a management software system. This system will control up to

    1024 indoor units.

    ( Temperature ) Temperature Fluctuation Diagram

    YDS precision temperature control Normal air conditioner precision temperature control

    ( Time )

    Intelligent technologyComfortable and pleasant intelligent temperature control.

    The advanced temperature control system maintains the indoor

    ambient temperature at a precision of 0.5 C. This precise

    temperature control improves the feeling of comfort.

    The different indoor units have diverse charges that are

    measured by the control system, and refrigerant quality

    distributed to each one of the indoor units is calculated and

    controlled by the microprocessor, so that each indoor unit may

    satisfy all individual needs.

  • YDS SystemYDMH 11.0 to 91.0 kW

    Technical featuresModel YDMH 100 A YDMH 140 A YDMH 280 A YDMH 560 A YDMH 840 A

    Cooling capacity kW 11.0 14.0 29.0 60.0 91.0

    Heating capacity kW 12.0 16.0 30.0 67.2 105.0

    Air flow m3/h 5 000 5 000 10 000 20 000 30 000

    Noise level at 1 m dB(A) 54 54 68 70 72

    Electrical features

    Power supply 3/N/ 400V 50Hz

    Power input in cooling kW 3.5 4.6 9.1 19.2 28

    Power input in heating kW 3.4 4.5 8.9 18.9 27.7

    Rated current A 7.0 8.5 18.5 35.9 53.3

    Starting current A 70 35 35 35 35

    Compressor

    Type Digital Scroll Digital ScrollDigital Scroll + Fixed Scroll

    Digital Scroll +3 x Fixed Scroll

    Digital Scroll +5 x Fixed Scroll

    Brand Copeland Copeland Copeland Copeland Copeland

    Dimensions and Weight

    Height x Width x Length mm 960 x 990 x 360 960 x 990 x 360 1830 x 997 x 880 1920 x 1992 x 880 1920 x 2987 x 880

    Weight kg 101 101 245 520 780

    Piping connections

    Gas mm 18 (3/4) 28 (1 1/8) 35 (1 3/8) 42 (1 5/8)

    Liquid mm 10 (3/8) 12 (1/2) 18 (3/4) 22 (7/8)

    Refrigerant

    Charge R22 kg 2.7 2.7 12 24 36

    Piping length / Difference in level

    Max. piping length m 60 60 125 125 125

    Max. difference in level m 8 8 15 15 15

    System match configuration

    Max. number of indoor units 5 6 16 20 32

    YORK System YDSThe YORk system with Digital Scroll is working like the VRF

    principle and offers you economical air-conditioning system for

    projects, which are requiring more capacity than the normal split

    and multi split solutions.

    The lengths for the connecting tubes between the indoor and

    outdoor have been prolonged, which brings you more flexible

    solutions for complex air-conditioning projects.

    A Real length of refrigerant piping : 150 m.

    B Maximum difference in height : 50 m.

    C Maximum difference in height between 2 indoor units : 15 m.

    A

    B

    C

  • VRF

    SYST

    EM

    YDS Technical features - High wallModel YDHW 22 A YDHW 28 A YDHW 36 A YDHW 45 A YDHW 56 A

    Capacity

    Cooling kW 2.20 2.80 3.60 4.50 5.60

    Heating kW 2.50 3.20 4.00 5.00 6.30

    Air flow m3/h 580 / 430 / 410 850 / 610 / 470 1150 / 800 / 650

    Noise level at 1 m High / Low dB(A) 42 / 36 46 / 39

    Electrical features

    Power supply V/Ph/Hz 230/1/ 50 + N + E

    Running current A 2.20 3.20

    Dimensions and Weight

    H x W x L mm 265 x 790 x 195 292 x 920 x 225 330 x 1080 x 225

    Weight kg 11 17

    Piping Liquid / Gas R22 6 mm (1/4) / 12 mm (1/2)

    YDS Technical features - Compact cassetteModel YDCS 28 A YDCS 36 A YDCS 45 A

    Capacity

    Cooling kW 2.80 3.60 4.50

    Heating kW 3.20 4.00 5.00

    Air flow m3/h 860 / 760 / 650

    Noise level at 1 m High / Low dB(A) 43 / 37

    Electrical featuresPower supply V/Ph/Hz 230/1/ 50 + N + E

    Running current A 3.60

    Dimensions and Weight

    H x W x L mm 254 x 580 x 580

    Weight kg 21

    PanelH x W x L mm 30 x 650 x 650

    Weight kg 3

    Piping Liquid / Gas R22 10 mm (3/8) / 16 mm (5/8)

    YDS Technical features - One way cassetteModel YDCO 28 A YDCO 36 A YDCO 45 A YDCO 56 A YDCO 71 A

    Capacity

    Cooling kW 2.80 3.60 4.50 5.60 7.10

    Heating kW 3.20 4.00 5.00 6.30 8.00

    Air flow m3/h 470 / 390 / 320 500 / 420 / 350 780 / 600 / 580 780 / 600 / 580 1080 / 910 / 850

    Noise level at 1 m High / Low dB(A) 42 / 38 47 / 42 48 / 42

    Electrical featuresPower supply V/Ph/Hz 230/1/ 50 + N + E

    Running current A 2.20 3.20 3.60

    Dimensions and Weight

    H x W x L mm 235 x 850 x 400 198 x 1200 x 655

    Weight kg 23 31

    PanelH x W x L mm 18 x 1050 x 470 10 x 1420 x 755

    Weight kg 4 9

    Piping Liquid / Gas R22 10 mm (3/8) / 16 mm (5/8)

    YDS Technical features - CassetteModel YDCL 28 A YDCL 36 A YDCL 45 A YDCL 56 A YDCL 71 A YDCL 80 A YDCL 90 A YDCL 112 A

    Capacity

    Cooling kW 2.80 3.60 4.50 5.60 7.10 8.00 9.00 11.20

    Heating kW 3.20 4.00 5.00 6.30 8.00 9.00 10.00 12.50

    Air flow m3/h 870 / 750 / 640 1010 / 920 / 840 1200 / 1080 / 970 1320/1210/1110 1860/1720/1610

    Noise level at 1 m High / Low dB(A) 41 / 35 44 / 38 46 / 42 48 / 44

    Electrical featuresPower supply V/Ph/Hz 230/1/ 50 + N + E

    Running current A 3.60 4.20 6.00

    Dimensions and Weight

    H x W x L mm 240 x 840 x 840 310 x 840 x 840

    Weight kg 22 25 45

    PanelH x W x L mm 40 x 950 x 950

    Weight kg 6

    Piping Liquid / Gas R22 10 mm (3/8) / 16 mm (5/8) 10 mm (3/8) / 18 mm (3/4)

    YDS System indoor units

  • YDS Technical features - High pressure blowerModel YDDH 71 A YDDH 80 A YDDH 90 A YDDH 112 A YDDH 140 A

    CapacityCooling kW 7.10 8.00 9.00 11.20 14.00Heating kW 8.00 9.00 10.00 12.50 16.00Air flow m3/h 1300 / 1150 / 960 2200 / 1980 / 1760

    Noise level at 1 m High / Low dB(A) 48 / 42 53 / 47

    Electrical featuresPower supply V/Ph/Hz 230/1/ 50 + N + ERunning current A 3.00 4.50

    Dimensions and Weight

    H x W x L mm 380 x 850 x 660 380 x 1200 x 660Weight kg 52 65

    Piping Liquid / Gas R407C 10 mm (3/8) / 16 mm (5/8) 10 mm (3/8) / 18 mm (3/4)

    YDS Technical features - Convertible console floor/ceilingModel YDFC 36 A Y