McQuay MCW200DA Technical Manual

McQuay MCW200DA Technical Manual

Ceiling concealed chilled water fan coil unit

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Ceiling Concealed
Chilled Water Fan Coil Unit
Models: MCW200DA MCW900DA
MCW300DA MCW1000DA
MCW400DA MCW1200DA
MCW500DA MCW1400DA
MCW600DA MCW1600DA
MCW800DA
Engineered for flexibility and performance.
Technical Manual
TM
MCW-DA-2009

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Summary of Contents for McQuay MCW200DA

  • Page 1 Technical Manual MCW-DA-2009 Ceiling Concealed Chilled Water Fan Coil Unit Models: MCW200DA MCW900DA MCW300DA MCW1000DA MCW400DA MCW1200DA MCW500DA MCW1400DA MCW600DA MCW1600DA MCW800DA Engineered for flexibility and performance.
  • Page 2: Table Of Contents

    Optional ............................. 17 Guide Specifications ........................ 18 Note: Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and regulations, and experienced with this type of equipment. Caution: Sharp edges and coil surfaces are a potential injury hazard. Avoid contact with them. Warning: Moving machinery and electrical power hazard may cause severe personal injury or death. Disconnect and lock off power before servicing equipment. “McQuay” is a registered trademark of McQuay International. All rights reserved throughout the world. © 2009 McQuay International. Bulletin illustrations cover the general appearance of McQuay International products at the time of publication. We reserve the right to change design and construction specifications at any time without notice.
  • Page 3: Nomenclature

    Nomenclature MCW 200 DA 8 R X F A A F1 E Export 1-100mm Extended Drain Pan 2-200mm Extended Drain Pan Omitted for Standard Drain Pan Description of Products: A-Standard Drain Pan F-Extended Drain Pan Material of Drain Pan A-Coated Cold Rolled Steel S-Stainless Steel Power Supply: A-220-240V/1PH/50Hz F 8mm Nylon Filter G 25mm Nylon Filter H 25mm Aluminium Filter Back Rerurn Air Plenum With Bottom Removal Filter Pipe Connection: R-Right Hand L-Left Hand(Facing Air Flow) 75Pa External Static Pressure Design Series: DA-4 Rows and 2 Pipes Nominal Air Flow(CFM) McQuay Horizontal Ceiling Concealed Fan Coil Unit...
  • Page 4: Main Features

    A boundary layer film of air adhering to the fin surface will insulate the fin surface and severely reduces the heat exchange efficiency. McQuay slit designed and HYDROPHILIC BLUE FIN eliminates this boundary layer of air and creates continuous turbulence for best heat exchange efficiency.
  • Page 5: Specification

    Specification General Data MODEL 200DA 300DA 400DA 500DA 600DA 800DA 900DA 1000DA 1200DA 1400DA 1600DA 1369 1564 2375 2386 3163 1683 205 262 391 489 543 805 920 1397 1404 1861 1296 1514 2208 2381 2974 1631 NOMINAL AIR FLOW 179 235 359...
  • Page 6 Components Data MODEL 200DA 300DA 400DA 500DA 600DA 800DA 900DA 1000DA 1200DA 1400DA 1600DA TYPE Centrifugal (Blade: Forward-curved) QUANTITY MATERIAL Galvanized Steel DRIVE Direct Drive DIAMETER 6.30 6.30 6.30 6.30 6.30 6.30 6.30 7.88 7.88 6.30 7.87 LENGTH 7.87 6.30 7.87 7.87 7.87 7.87 7.48 7.48 6.30...
  • Page 7: Sound Pressure Level

    Sound Pressure Level 50 Pa 75 Pa 1/1 Octave Sound pressure level [dB(A),ref 20 uPa] Total 1/1 Octave Sound pressure level [dB(A),ref 20 uPa] Total Unit Speed dB(A) dB(A) 26.1 34.3 37.6 40.4 33.1 22.8 14.1 43.4 24.9 33.9 37.4 40.2 33.6 24.4...
  • Page 8: Performance Data

    Cooling Capacity (The tables below are two examples) Entering air Chilled water Water Pressure Water flow Cooling Capacity (kw) Temperature( ) Temperature( ) Drop Model Total Sensible MCW200DA 14.5 1.65 0.98 0.16 MCW300DA 14.5 2.30 1.41 0.22 MCW400DA 14.5 3.30 2.04...
  • Page 9: Air Flow Vs Esp Table

    Air Flow vs ESP Table Air flow(m /h) at ESP(Pa) Model fan speed 200DA 300DA 400DA 1018 500DA 1167 1106 1038 600DA 1104 1044 1662 1587 1506 1417 1369 1320 1216 1104 800DA 1592 1516 1433 1344 1296 1247 1144 1033 1318 1263 1200 1129...
  • Page 10: Operating Limit

    Operating Limit OPERATING LIMITS Maximum water side pressure 16 Bars Minimum entering water temperature 3 ℃ Maximum entering water temperature 95 ℃ Minimum air inlet temperature 5 ℃ Maximum air inlet temperature 43 ℃ Power supply 220-240V/1Ph/50Hz...
  • Page 11: Water Flow Vs Pressure Drop Chart

    Water Flow vs Pressure Drop Chart NOTE: ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
  • Page 12: Outline And Dimension

    Outline and Dimension Model Fan number MCW200DA 677 452 487 469 522 540 151 143 211 243 MCW300DA 827 592 627 649 702 820 151 143 211 243 MCW400DA 927 692 727 749 802 820 151 143 211 243 MCW500DA 997...
  • Page 13: Wiring Diagram

    Wiring Diagram Electrical wiring connection must be done according to the following wiring diagram. The unit must be GROUNDED to the earth system of the building. All field wiring must be installed in accordance with the national wiring regulation and Fire Department regulation. MODEL: MCW 200-1600 BLUE YELLOW BLACK BROWN FAN MOTOR MOTOR CAPACITOR BLACK ORANGE FAN SPEED SWITCH POWER BLUE SOURCE YELLOW BLACK BROWN FAN MOTOR...
  • Page 14: Installation

    Installation Receiving All units leaving the factory have been inspected to ensure the shipment of high quality products and reasonable means are utilized to properly pack the fan coil units to protect them in transit. Carefully inspect all shipments immediately upon delivery. When damage is visible, note this fact on the carrier’s freight bill and request that the carrier send a representative to inspect the damage. This may be done by telephone or in person, but should always be confirmed in writing. The shipment should be unpacked in the presence of the agent so that the damage or loss can be determined. The carrier’s agent will make an inspection report and a copy will be given to the consignee for forwarding to the carrier with a formal claim. Location Before installation, please check the following: 1. There must be enough space for unit installation and maintenance. Please refer to the outline and dimensions and fig.1 for the minimum distance between the unit and obstacle. 2. In case of installation in free blow, the unit must be installed at a minimum height of 2.5m to avoid contact with the appliance. 3. Please ensure enough space for piping connection and electrical wiring. 4. Please make sure that the hanging rods can support weight of the unit. Installation 1. The unit is designed for concealed ceiling installation.
  • Page 15 Fig. 2 WITH AND WITHOUT PLENUM FORM: NOTE: Dimension M and N was determined by air duct design, air duct should be fire-proof, refer to concerned country national and local regulations. ≥300mm Circulatory air pressure drop should be approximately equal to the External Static Pressure.
  • Page 16: Exploded-View & Part List

    Exploded-view & Part List Item Description Motor Top Panel For Air Return Plenum Blower Left Flange top/bottom For Air Return Plenum Filter Flange left/right For Air Return Plenum Filter Cover Bottom Panel For Air Return Plenum Side Panel Right For Air Return Plenum Fan Deck Terminal Box Drain Guide Drain Pan Coil Assy Top Panel Blower Right Side Panel Left For Air Return Plenum...
  • Page 17 MODEL MCW200DA MCW300DA MCW400DA MCW500DA MCW600DA MCW800DA YDK36-4Be YSK56-4B4 YSK71-4B4 YSK100-4B4 YSK150-4B6 YSK150-4B6 MOTOR 1 M03034065200 M03034065201 M03034065202 M03034065203 M03034065204 M03034065204 CLASS B MOTOR YDK71-4B4 MOTOR 2 M03034065205 DRAIN PAN M50014063363 M50014063364 M50014063365 M50014063366 M50014063367 M50014063368 LEFT M03029000980 M03024060001 M03029000980...
  • Page 18: Optional

    Optional 1. Drain pan 100mm and 200mm extended cold-rolled steel drain pan and stainless steel drain pan available, meet various application requirements. 2. Insulation Aramflex Class 0 insulation material ensure more effective thermal and sound insulation together with fire-proof safety. 3. Casing Anti-corrosion powder coating, looks elegant and more endurable to erosive environment. 4. Filter 25mm nylon filter and 25mm aluminum filter optional. Different material filter meet various customer requirements. 5.
  • Page 19: Guide Specifications

    Guide Specifications Unit Description Factory-assembled, horizontal, blow-thru type, galvanized casing, ceiling ducted fan coil unit is complete with water coil, fans, motors, drain pan, filters and all required wiring, with full access to internal components. Quality Assurance Each coil is factory tested for leakage at 3.3MPa air pressure with coil submerged in water. Each unit and its moving components (fans and motors) are factory computer-tested and recorded after unit is complete and before it is packed.
  • Page 20 ©2009 McQuay International +1 (800) 432-1342 www .mcquay. com While utmost care is taken in ensuring that all details in the publication are correct at the time of going to press, we are constantly striving for improvement and therefore reserve the right to alter model specifications and equipment without notice. Details of specifications and equipment are also subject to change to suit local conditions and requirements and not all models are available in every market.

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