McQuay MDS 30 Installation Manual

McQuay MDS 30 Installation Manual

Mds 30 – 70a(r), mds 80 – 320b(r), 5mds 50 – 500b(r), digital variable multi air conditioner

Advertisement

Installation Manual
Digital Variable Multi Air Conditioner
MDS 30 – 70A(R)
MDS 80 – 320B(R)
5MDS 50 – 500B(R)

Advertisement

Table of Contents
loading

Summary of Contents for McQuay MDS 30

  • Page 1 Installation Manual Digital Variable Multi Air Conditioner MDS 30 – 70A(R) MDS 80 – 320B(R) 5MDS 50 – 500B(R)
  • Page 3 Individual applications and site variations can significantly affect the results and effectiveness of any information, the reader must satisfy him/herself regarding the applicability of any article and seek professional evaluation of all materials. McQuay disclaims any responsibility for actions based on this document.
  • Page 4: Table Of Contents

    Table of Content 1.0 Safety Precautions...……………………………………………………………………………..1 1.1 Precautions before installation………………………………………………..………..1 1.2 Safety reminder on installation process...……………………………………………..1 1.3 Precautions on commissioning..………………………………………………………….1 1.4 Precautions for devices that use R410A refrigerant………………………………..1 1.5 Other precautions……...…………………………………………………………………..2 2.0 Electrical Parameter……………………………………………………………………………..2 3.0 Installation Instruction……………………………………………………………….…………..4 4.0 Outdoor Unit Installation...………………………………………………………………………...4 4.1 Location and space of installation….…………………………………………………….4 4.2 Unit handling…………….………………………………………………………………….6 4.3 Unit installation…………..…………………………………………………………………6...
  • Page 5: Safety Precautions

    1.0 Safety Precautions Please take note of the safety item stated below before and after the installation process: 1.1 Preparation before installation  Check the electrical power supply condition. Power supply shall meet the requirement of local rule and regulation. ...
  • Page 6: Other Precautions

    1.5 Other precautions  Contact local distributor/manufacturer for assistance when there’s doubt on the installation process.  Do not charge in other type of refrigerant to the unit as this will damage the unit. 2.0 Electrical Parameter All values given are for reference only. They shall be checked and selected to comply with local standards and regulations.
  • Page 7 Model 5MDS140-160B(R) 5MDS180-200B(R) 5MDS220B(R) 5MDS240B(R) Power supply 380-415/3/50 (V/Ph/Hz) Max. Breaker Size (A) Number of Wires Power Cable Size (mm 5MDS260- Model 5MDS300B(R) 5MDS320B(R) 5MDS340-360B(R) 280B(R) Power supply (V/Ph/Hz) 380-415/3/50 Max. Breaker Size (A) Number of Wires Separate 6 (Master) 10 (Slave) 10 (Master) 10 (Slave) Power Cable Size (mm...
  • Page 8: Installation Instruction

    Avoid installation of unit under corrosive environment.  Avoid installation of unit at places with flammable gas.  Follow the clearance when more than one outdoor unit is installed at the same location. MDS 30-70A(R) 5MDS 50-70B(R) Bolt mode : JA Dimension:M12 Spring washer...
  • Page 9 MDS 30-70A(R) 5MDS 50-70B(R) ≥ MDS 80-320B(R) ≥ 5MDS 80-500B(R) Air Outlet Guide ≥ 45 ° ≥ ≥ Front BACK BACK FRONT FRONT FRONT FRONT BACK BACK FRONT FRONT BACK BACK ≥ 600mm Installation Manual IM-MDS_(i)
  • Page 10: Unit Handling

    4.2 Unit handling  Use 4 supporting points to move the units (refer to diagram).  Avoid unstable move to prevent unit drop off.  Do use special rope to tie the units for transportation.  Do not touch the fin to avoid injury. ...
  • Page 11: Indoor Unit Installation

    Access valve for balance piping ( φ 9.52) Ball valve (liquid side) Knock-out-hole Knock-out-hole Master and slave must be (for connecting balance pipe) installed in the same level Ball valve (gas side) Knock-out-hole Piping connection position To balance pipe access valve To units ball valve A >10mm To units ball valve...
  • Page 12: Installation Of Mccd Series Indoor Unit

    5.3 Installation of MCCD series indoor units  Use the hanger supplied with the unit.  Install the unit horizontally and ensure the slope for drainage is sufficient.  Ensure the distance between return air inlet and heat exchanger shall be at least 1m. ...
  • Page 13  Adjust the unit height to 35mm (for MCKD-A) or 30mm (for MCKD-C) between the indoor unit bottom surface and the ceiling surface. Drain pipe installation  Confirm with a level gauge that the unit is installed horizontally.  Open the ceiling board along the outer edge of the installation template. ...
  • Page 14: Installation Of Mcmd Series Indoor Unit

     Install the air intake grille together with the air filter to the front panel.  The grille can be fit in any direction, when selecting direction, the ceiling design and grille operability should be considered.  If the unit comes with ionizer filter (optional item), make sure to fix the ionizer filter to the air filter before installing the air intake grille.
  • Page 15  Ensure the overhead supports are strong enough to hold the weight of the unit.  Position the hanger rods and check for its alignment with the unit. Also check that the hangers are secured and the base of the indoor unit is levelled in both horizontal directions. ...
  • Page 16: Installation Of Mwmd Series Indoor Unit

    Floor Type Installation 5.6 Installation of MWMD series indoor units  Ensure sufficient space for ventilation and no obstacle around the indoor unit.  The indoor unit must be installed in such a way so as to prevent short circuit of cool discharged air with the hot return air.
  • Page 17: Piping Installation

     Ensure that the wall is strong enough to withstand the weight of the unit. Otherwise, it is necessary to reinforce the wall with plates, beams or pillars.  Use the level gauge for horizontal mounting and fix it with 4 suitable screws. ...
  • Page 18: Refrigerant Piping System

    6.2 Refrigerant piping system  The below 3 piping structure designs are recommended. balance pipe Tee joint Bifurcation Indoor unit Balance pipe Distributor Tee joint Indoor unit Bifucation Distributor Balance pipe Tee joint Indoor unit  It is not allowed to connect any refnet after the distributor. Distributor Distributor balance pipe...
  • Page 19: Piping Size, Refnet And Distributor Selection

    6.3 Piping size, refnet and distributor selection  Select the piping, refnet and distributor base on the tables and diagrams below. Refrigerant piping Installation Manual IM-MDS_(i)
  • Page 20 R410A Piping Materials/Radial Thickness Type TP2M TP2Y2 Diameter (mm) 12.7 15.9 19.1 22.2 25.4 28.6 31.8 34.9 38.1 41.3 Diameter (inch) 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 Minimum Thickness (mm)  The minimum thickness of the pipe in the chart is based on the PRC Standard Specification for Drawn Tube of Copper and Copper Alloys (GB/T1527-1997), TP2M and TP2Y2 are the marks of the material brand and state.
  • Page 21 Refnet Installation Manual IM-MDS_(i)
  • Page 22: Installation Of Refrigerant Piping

     Installation of refnet and distributor should be within the allowable tolerance as shown in diagrams below. Horizontal installation Horizontal <30 ° Direction A Direction A view Vertical installation  Installation of the system should within the piping length limitation as shown below. 5MDS Length (m) 30-50...
  • Page 23: Ball Valve Installation And Operation

     The proper steps to insulate the refrigerant piping are shown below. Pipe Specification Diameter 6.35 - 25.4mm Diameter 28.58 - 41.3mm Thickness Min 10mm Min 12mm Heat resistance Min100℃ 6.5 Ball valve installation and operation  Operate the gas side ball valve Uninstall the flange connector: remove the flange connector from the piping Stick the seal material to cover the inlet of the ball valve flange to avoid the dirt entry Change the hollow seal pad...
  • Page 24: Wiring Connection

     Matching screw specification. (unit: mm) Diameter Diameter inch Ф6.35 1/4” 17.0 Ф9.52 3/8” 22.0 Ф12.7 1/2” 24.0 Ф15.88 5/8” 27.0 diameter Ф19.05 3/4” 36.0  When connecting the liquid piping and liquid ball valve, use wrench to fix tightly and ensure they are in the same axial.
  • Page 25: Electrical Wiring Connection

    7.3 Electrical wiring connection  For single unit connection. Power L3 N Switch L2 L3 Outdoor unit Fuse Switch Switch Switch Two-core cable Two-core cable Fuse Fuse Fuse (power circuit) (power circuit) Indoor unit Electrical connection for single outdoor unit (FOR AMDS080 ~ 240B(R)5) ...
  • Page 26: Communication Wiring Connection

    7.4 Communication wiring connection  For single unit connection. Indoor unit 2 Indoor unit i Indoor unit 1 Outdoor unit Control box Control box Control box Control box Connection port Screen Connection port Connection port layer Main PCB com1 com1 com1 Connection port...
  • Page 27: Dip Switch Setting

    7.5 Dip switch setting  Indoor unit address setting for all indoor (dip switch SW2). S2.1 S2.2 S2.3 S2.4 S2.5 S2.6 Indoor Address S2.1 S2.2 S2.3 S2.4 S2.5 S2.6 Indoor Address  Indoor unit capacity setting for all indoor (dip switch SW3). S3.1 S3.2 S3.3...
  • Page 28: Auto Restart Setting

     Outdoor unit address setting for MDS/5MDS80-500B(R) (dip switch S2). S2.4 S2.5 S2.6 S2.7 S2.8 Outdoor Address S2.4 S2.5 S2.6 S2.7 S2.8 Outdoor Address  Outdoor unit indoor quantity setting for MDS/5MDS80-500B(R) (dip switch S1). S1.3 S1.4 S1.5 S1.6 S1.7 S1.8 Indoor Quantity S1.3...
  • Page 29: Air Leakage Test, Vacuum And Refrigerant Charge

    8.0 Air Leakage Test, Vacuum and Refrigerant Charge service port LEAKAGE TEST SKETCH 8.1 Air leakage test ball valve to indoor unit  liquid pipe To conduct air leakage test, ensure the ball valve is off.  gas pipe Refer to the procedure below to avoid polluting the lubricating to indoor unit ball valve oil during the leakage test.
  • Page 30: Commissioning

     When charging R410A with cylinder which is without the siphon pipe, turn the cylinder upside down when charging to ensure only liquid refrigerant is charged into the system. REFRIGERANT CHARGING SKETCH service port service port ball valve ball valve to indoor unit to indoor unit liquid pipe...
  • Page 31: Unit Outlines And Dimensions

    10.0 Unit Outlines and Dimensions MWMD/M5WMD 009/010/015G MWMD/M5WMD 020/025G Installation Manual IM-MDS_(i)
  • Page 32 MCKD/M5CKD 020/025/030/040/050A MCKD/M5CKD 010/015/020C MCMD 020/025/028E M5CMD 015/020/025/028E Installation Manual IM-MDS_(i)
  • Page 33 MCMD/M5CMD 040/050D MCMD/M5CMD 062C Installation Manual IM-MDS_(i)
  • Page 34 MCCD/M5CCD 010C MCCD/M5CCD 015/020/025C Installation Manual IM-MDS_(i)
  • Page 35 MCCD/M5CCD 028C MCCD/M5CCD 030C Installation Manual IM-MDS_(i)
  • Page 36 MCCD/M5CCD 038C MCCD/M5CCD 040C Installation Manual IM-MDS_(i)
  • Page 37 MCCD/M5CCD 050C MCCD/M5CCD 060C Installation Manual IM-MDS_(i)
  • Page 38 MDS 030A(R) MDS 040/050/060/070A(R) 5MDS 050/060/070B(R) Installation Manual IM-MDS_(i)
  • Page 39 MDS 080/100/120/150B(R) 5MDS 080/100/120/140/160/180B(R) MDS 180/200/220/240B(R) 5MDS 200/220/240B(R) Installation Manual IM-MDS_(i)
  • Page 40 MDS 260/280/300/320B(R) 5MDS 260/280/300/320/340/360B(R) 5MDS 380/400/420B(R) Installation Manual IM-MDS_(i)
  • Page 41 5MDS 440/460/480/500B(R) Installation Manual IM-MDS_(i)
  • Page 44 Products manufactured in an ISO certified facility. This document contains the most current product information as of this printing. For the most up-to-date product information, please go to www.mcquayup.com www.mcquayup.com...

Table of Contents