McQuay M5MSY18BR Manual
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McQuay M5MSY18BR Manual

Inverter-y multi split
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Inverter-Y Multi Split
Models: M5MSY18BR
M5MSY20BR
M5MSY25BR
M5MSY30BR
Catalog
M5MSY_(i)
Supercedes:
M5MSY-B-2011

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Summary of Contents for McQuay M5MSY18BR

  • Page 1 Catalog M5MSY_(i) Supercedes: M5MSY-B-2011 Inverter-Y Multi Split Models: M5MSY18BR M5MSY20BR M5MSY25BR M5MSY30BR...

  • Page 2: Table Of Contents

    © 2011 McQuay International. All rights reserved throughout the world. Bulletin illustrations cover the general appearance of McQuay International products at the time of publication. We reserve the right to change design and construction specifi cations at any time without notice.

  • Page 3: Nomenclature

    Nomenclature M5MSY_(i) Nomenclature Indoor M 5 WM Y 10 L R – A C B D D Product Specification Brand Variation M: McQuay D: Fourth Issue Grille Refrigerant D: Grille D 5: R410A Product Type Type of Air Filter WM: Wall Mounted...

  • Page 4: Product Line-Up

    M5MSY_(i) Nomenclature Product Line-Up Indoor Unit M5WMY-L Series/J Series Classifi cation M5WMY 10LR ACBDD 15LR ACBDD 10JR ACLAD 15JR ACLAD 20JR ACLTC Indoor Unit M5CKY-C Series Classifi cation M5CKY 10CR ACOA 15CR ACOA 20CR ACOA PLCKYCR NGS01...
  • Page 5 Nomenclature M5MSY_(i) Indoor Unit M5CCY-C Series Classifi cation M5CCY 10CR ACPA 15CR ACPA 20CR ACPA Indoor Unit M5CMY-E Series Classifi cation M5CMY 15ER ACAA 20ER ACAA...
  • Page 6 M5MSY-BR Classifi cation M5MSY 18BR ACDOA 20BR ACDOA 25BR ACDOA 30BR ACDOA * Remark : M5MSY18BR is not recommended to couple with M5WMY10/15 JR (for Wall Mounted series). M5MSY18BR is recommended to couple with M5WMY10/15 LR (for Wall Mounted series).

  • Page 7: Application Information

    Ensure the operating temperature is in allowable range. Heatpump - M5MSY20/25/30BR Heating Cooling Standard point Indoor temp. (°CDB) Indoor temp. (°CWB) Heatpump - M5MSY18BR Heating Cooling Indoor temp. (°CDB) Indoor temp. (°CWB) Caution : The use of your air conditioner outside the range of working...

  • Page 8: Refrigerant Circuit Diagrams

    M5MSY_(i) Application Information Refrigerant Circuit Diagrams Model: M5MSY18BR M5MSY20BR Model: M5MSY25BR M5MSY30BR...

  • Page 9: Installation Guideline

    Application Information M5MSY_(i) Installation Guideline Installation of Outdoor Unit • The outdoor unit must be installed in such a way, so as to prevent short circuit of the hot discharged air or obstruction to the smooth air fl ow. Please follow the installation clearance shown in the fi gures below. Select the coolest possible place where intake air temperature is not greater than the outside air temperature (maximum 45°C/113°F) •...
  • Page 10 M5MSY_(i) Application Information Installation Diagram Wall Mounted Indoor Unit Cut thermal insulation pipe to an appropriate Caulk pipe 30mm or more from ceiling length and wrap it with hole gap tape, making sure that no with putty. gap is left in the insulation Front panel pipe's cut line.
  • Page 11 Application Information M5MSY_(i) Ceiling Cassette Drain Piping Thermal Insulation Wrap the insulated pipe with the finishing tape from bottom to top Front Panel Air Filter (behind the grille) Air Intake Grille Air Discharge Louver Preliminary Site Survey • Electrical supply and installation is to confi rm to local authority’s (e.g. National Electrical Board) codes and regulations.
  • Page 12 M5MSY_(i) Application Information Unit Installation 15.0 18.0 538.0 529.0 19.0 32.0 580.0 ~ 610mm (CEILING OPENING MEASUREMENT) M5CKY-C • The indoor unit must be away from heat and steam sources (avoid installing it near an entrance). • Measure and mark the position for the hanging rod. Drill the hole for the angle nut on the ceiling and fi x the hanging rod.
  • Page 13 Application Information M5MSY_(i) Ceiling Concealed Hanger Return duct Supply duct Wrap the insulated pipe with the finishing tape from bottom to top Drain Thermal insulation piping Preliminary Survey • Electrical supply and installation is to confi rm to local authority’s (e.g. National Electrical Board) codes and regulations.
  • Page 14 M5MSY_(i) Application Information The diagrams below show the screws position for duct work connection.
  • Page 15 Application Information M5MSY_(i) Ceiling Convertible Preliminary Site Survey • Electrical supply and installation is to confi rm to local authority’s (e.g. National Electrical Board) codes and regulations. • Voltage supply fl uctuation must not exceed ± 10% of rated voltage. Electricity supply lines must be independent of welding transformers which can cause high supply fl...
  • Page 16 M5MSY_(i) Application Information Please ensure that the following steps are taken: • Check the gradient for drainage fl ow as recommended in Figure A. • Provide clearance for easy servicing and optimal air fl ow as shown in Figure B. •...
  • Page 17 Application Information M5MSY_(i) Under Ceiling Installation Install the Suspension Bolts 1. Install the suspension bolts so that it can support the indoor unit. 2. Adjust the distance to ceiling before installation. 3. Refer to the dimension given to install the unit. Install the Indoor Unit 1.
  • Page 18 M5MSY_(i) Application Information Floor Standing Installation 1. Refer to the dimension as illustrated when installing the mounting bracket. 2. Determine the pipe hose position using the rear piping hole. Drill the pipe hole at the slight downward slant to the outdoor side. MOUNTING BRACKET HOCK THE UNIT ON THE MOUNTING BRACKET...
  • Page 19 Total Piping height Total Piping Pre-charged Additional Piping Length (m) Difference(m) length (m) (kg) Charge (g/m) Length(m) M5MSY18BR ≤ 30 L ≤ 20 H ≤ 15 (2 Ports) M5MSY20BR ≤ 50 L ≤ 25 H ≤ 15 (2 Ports) M5MSY25BR ≤...
  • Page 20 • The outdoor unit is equipped with two to four sets of fl are joints depending on O/D unit model. Refer to the table below for fl are joint size and location. Model Pipe Liquid 1/4” 1/4” M5MSY18BR 3/8” 3/8” Liquid 1/4” 1/4” M5MSY20BR 1/2”...
  • Page 21 Application Information M5MSY_(i) The fi gures shown in the table are for information purpose only. They should be checked and selected to comply with the local/national codes of regulations. This is also subject to the type of installation and conductors used. ** The appropriate voltage range should be checked with label data on the unit.

  • Page 22: Engineering & Physical Data

    M5MSY_(i) Engineering & Physical Data Engineering & Physical Data Engineering Data - M5MSY - B Series (R410A model) OUTDOOR UNIT M5MSY18BR M5MSY20BR M5MSY25BR M5MSY30BR MODEL TYPE 1-to-2 1-to-3 1-to-4 Btu/h 13650 (4400 ~15350) 18400 (5100 - 21200) 22200 (3400 - 26100)
  • Page 23 Engineering & Physical Da M5MSY_(i) Engineering Data - M5WMY - L Series (R410A model) MODEL INDOOR UNIT M5WMY10LR M5WMY15LR AUTO LOUVER (UP & DOWN) & GRILLE AIR DISCHARGE (LEFT & RIGHT) CONTROL OPERATION WIRELESS REMOTE CONTROL TURBO l/s / CFM 178 / 378 185 / 392 HIGH...
  • Page 24 M5MSY_(i) Engineering & Physical Data Engineering Data - M5WMY - J Series (R410A model) MODEL INDOOR UNIT M5WMY10JR M5WMY15JR M5WMY20JR AIR DISCHARGE AUTO LOUVER (UP & DOWN) & GRILLE (LEFT & RIGHT) CONTROL OPERATION WIRELESS REMOTE CONTROL TURBO l/s / CFM 178 / 378 185 / 392 273 / 578...
  • Page 25 Engineering & Physical Data M5MSY_(i) Engineering Data - M5CKY - C Series (R410A model) MODEL INDOOR UNIT M5CKY10CR M5CKY15CR M5CKY20CR 4 WAY AUTOMATIC LOUVER AIR DISCHARGE (UP & DOWN) CONTROL WIRELESS OR WIRED REMOTE OPERATION CONTROL HIGH l/s / CFM 193 / 400 193 / 410 212 / 450...
  • Page 26 M5MSY_(i) Engineering & Physical Data Engineering Data - M5CCY - C Series (R410A model) MODEL INDOOR UNIT M5CCY10CR M5CCY15CR M5CCY20CR AIR DISCHARGE DUCTED CONTROL OPERATION WIRELESS OR WIRED REMOTE CONTROL HIGH l/s / CFM 172 / 365 194 / 410 269 / 570 AIR FLOW MEDIUM...
  • Page 27 Engineering & Physical Data M5MSY_(i) Engineering Data - M5CMY - C Series (R410A model) MODEL INDOOR UNIT M5CMY15ER M5CMY20ER AUTOMATIC LOUVER AIR DISCHARGE (UP & DOWN) CONTROL OPERATION WIRELESS OR WIRED REMOTE CONTROL HIGH l/s / CFM 240 / 508 245 / 520 AIR FLOW MEDIUM...

  • Page 28: Performance Data

    M5MSY_(i) Performance Data Performance Data Model: M5MSY18BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room Rated Rated Rated Rated 2.50 2.50 3.00 4.03 2.90 3.80 3.50...
  • Page 29 Performance Data M5MSY_(i) Model: M5MSY25BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room C room Rated Rated Rated Rated 2.50 2.50 3.00 4.24 2.70 3.80 3.50 3.50 3.70...
  • Page 30 M5MSY_(i) Performance Data Model: M5MSY30BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room C room D room Rated Rated Rated Rated 2.50 2.50 3.00 4.24 2.70 3.80 3.50...

  • Page 31: Outline And Dimension

    Outline and Dimension M5MSY_(i) Outline and Dimension Outdoor Unit Model: M5MSY18BR Note: Dimension in mm Outdoor Unit Model: M5MSY20/25/30BR Dimension Dimension Note: Dimension in mm...
  • Page 32 M5MSY_(i) Outline and Dimension Indoor Unit Model: M5WMY 10/15LR Note: Dimension in mm Indoor Unit Model: M5WMY 10/15JR Note: Dimension in mm...
  • Page 33 Outline and Dimension M5MSY_(i) Indoor Unit Model: M5WMY 20/25JR 1065 Note: Dimension in mm Indoor Unit Model: M5CKY 10/15/20CR MODEL M5CKY 10/15/20CR Note: Dimension in mm...
  • Page 34 M5MSY_(i) Outline and Dimension Indoor Unit Model: M5CKY 20/25ER MODEL M5CKY 20/25ER Note: Dimension in mm Indoor Unit Model: M5CCY 10/15/20/25CR MODEL M5CCY 10/15CR 212,8 M5CCY 20CR 1041 1002 1065 212,8 M5CCY 25CR 1176 1137 1097 1200 212,8 Note: Dimension in mm...
  • Page 35 Outline and Dimension M5MSY_(i) Indoor Unit Model: M5CMY 15/20/25ER Note: Dimension in mm...

  • Page 36: Wiring Diagram

    M5MSY_(i) Wiring Diagram Wiring Diagram Outdoor Unit Model: M5MSY18BR Outdoor Unit Model: M5MSY20BR LED A Service monitor LED (green) Wiring error check switch LED1 - LED4 Service monitor LED (red) Priority room setting switch Forced operation ON/OFF switch Night quiet mode setting switch...
  • Page 37 Wiring Diagram M5MSY_(i) Outdoor Unit Model: M5MSY25BR Outdoor Unit Model: M5MSY30BR LED A Service monitor LED (green) Wiring error check switch LED1 - LED4 Service monitor LED (red) Priority room setting switch Forced operation ON/OFF switch Night quiet mode setting switch...
  • Page 38 M5MSY_(i) Wiring Diagram Indoor Unit Model: M5WMY10/15JR/LR Indoor Unit Model: M5WMY20JR...
  • Page 39 Wiring Diagram M5MSY_(i) Indoor Unit Model: M5CKY10/15/20CR Indoor Unit Model: M5CCY10/15CR...
  • Page 40 M5MSY_(i) Wiring Diagram Indoor Unit Model: M5CCY20CR Indoor Unit Model: M5CMY15ER...
  • Page 41 Wiring Diagram M5MSY_(i) Indoor Unit Model: M5CMY20ER...

  • Page 42: Service And Maintenance

    M5MSY_(i) Service and Maintenance Service and Maintenance Warning • Disconnect from main supply before servicing the air conditioner. • The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly checked and the following items should be given due attention. Components Maintenance Procedures Period...
  • Page 43 Service and Maintenance M5MSY_(i) Air Filter 1. Open the front panel. • Hold the panel at the recesses on the main unit (2 recesses on right and left sides) and lift it until it stops. Recess on main unit 2. Pull out the air fi lters. •...

  • Page 44: Troubleshooting

    M5MSY_(i) Troubleshooting Troubleshooting Fault Condition When a malfunction of the air conditioner unit is detected, immediately switch off the main power supply before proceeding with the following troubleshooting procedures. The following are common fault conditions and simple troubleshooting tips. If any other fault conditions which are not listed occur, contact your nearest local dealer.
  • Page 45 Troubleshooting M5MSY_(i) Indicator Lights IR Signal Receiver When an infrared remote control operating signal has been transmitted, the signal receiver on the indoor unit will respond as below to confi rm acceptance of the signal transmission. ON to OFF 1 Long Beep OFF to ON 2 Short Beep Pump down/Cool force on...
  • Page 46 M5MSY_(i) Troubleshooting Error Code Diagnosis by Wireless Handset GS01 TURBO QUIET SLEEP MODE TIMER ON TIMER CANCEL CANCEL CLOCK CANCEL OFF TIMER CANCEL Diagnosis Step 1. Hold down ON TIMER CANCEL button or OFF TIMER CANCEL button for 5 seconds, a “ ”...
  • Page 47 Troubleshooting M5MSY_(i) Error Codes Error Error Description Action Codes Normal No action. 1. Check sensor connection. 2. Check stop valve. Insuffi cient gas 3. Check for gas leak. 4. Check the EXV. 5. Check H8. 1. Check the supply voltage. 2.
  • Page 48 M5MSY_(i) Troubleshooting Error Error Description Action Codes 1. Check installation conditions. 2. Check stop valve. 3. Check HPS connection. High pressure protection 4. Check pressure level by pressure gauge. 5. Wait for 10 minutes then restart the system. 6. Check if H3 is displayed. 1.
  • Page 49 Troubleshooting M5MSY_(i) Error Error Description Action Codes 1. Restart the system. 2. Check capacitor voltage. AC current sensor error 3. Measure the rectifi er input voltage. 4. Check compressor harness wire. 5. Check with inverter checker. 1. Check the sensor connection. Outdoor air thermistor short / open 2.
  • Page 50 M5MSY_(i) Troubleshooting Outdoor LED error indication The outdoor unit LED indicates the running condition of the system: LED INDICATION Green Description NORMAL INSTALLATION ERROR ANTIFREEZE (OTHER ROOMS) HEAT SINK OVERHEAT IPM ERROR/IGBT ERROR INSUFFICIENT GAS AC INPUT OVER CURRENT COMPRESSOR START-UP ERROR COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND IPM PCB) 4 WAY VALVE ERROR...
  • Page 51 Troubleshooting M5MSY_(i) Error Code Diagnosis by Unit Last State Memory Using Wireless Handset 1. Remove battery from wireless handset. 2. Wait for the display to fi nally go off (as this handset uses very small amount of power, hence it takes longer for the memory to reset).

  • Page 52: Exploded View And Part List

    M5MSY_(i) Exploded View and Part List Exploded View and Part List Indoor Unit Model: M5WMY10/15LR No Description No Description Assy. Front Grille 12 Assy. Installation Plate Assy. Panel 13 Right Side Panel Assy. Disch. Grille Hor.Blade 14 Drip Proof Cover Bottom Frame Assy.
  • Page 53 Exploded View and Part List M5MSY_(i) Indoor Unit Model: M5WMY10/15JR No Description No Description Assy. Front Grille 11 Blower Panel 12 Assy. Installation Plate Disch. Grille Hor. Blade Assy. 13 Right Side Panel Assy. Bottom Frame 14 Cover, Drip Proof Assy.
  • Page 54 M5MSY_(i) Exploded View and Part List Indoor Unit Model: M5WMY 20JR No Description No Description 10 Assy. Control Box Assy. Chasis 11 Assy. Control Module Motor 12 Cover, Control Box Blower 13 Cover, Service Fan Bush 14 Assy. Mounting Plate Cover, Motor 15 Assy.
  • Page 55 Exploded View and Part List M5MSY_(i) Indoor Unit Model: PLCKY-CR No Description No Description 11 Lingkage, Motor Cover Frame 12 Assy. Bracket Receiver (LED/SLM) Assy. Intake Grille B 13 Assy. Motor Filter 14 Crank, Connector Lock, Grille 15 Louver, Holder Discharge, Foam 16 Cross, Crank Discharge, Foam LED...
  • Page 56 M5MSY_(i) Exploded View and Part List Indoor Unit Model: M5CKY 10/15/20CR Note: All exploded view and part list are subjected to change by the manufacturer without prior notice...
  • Page 57 Exploded View and Part List M5MS_(i) Indoor Unit Model: M5CKY 10/15/20CR No Description No Description 14 Bush, Pump Assy. Base 15 Assy. Drain Pump Support Bracket Assy. Casing 16 Assy. End Plate Support Assy. Heat Exchanger 17 Clip, Coil Sensor Cover, Fan 18 Support, Heat Exchanger Blower...
  • Page 58 M5MSY_(i) Exploded View and Part List Indoor Unit Model: M5CCY 10/15/20CR No Description No Description Cabinet Assy. Blower Left 10 Motor Assy. Fan Deck Parts Not in Diagram Assy. Heat Exchanger Assy. Drain Pan Handset, Wired Assy. Secondary Drain Pan Air Filter Hanger Holder, Thermistor...
  • Page 59 Exploded View and Part List M5MSY_(i) Indoor Unit Model: M5CMY 15/20ER ote: All exploded view and part list are subjected to change by the manufacturer without prior notice...
  • Page 60 M5MSY_(i) Exploded View and Part List Indoor Unit Model: M5CMY 15/20/25ER No Description No Description 12 Assy. Panel Bottom Assy. Top Panel 13 Cover, Hanger L1 (C) Assy. Heat Exchanger 14 Cover, Hanger L2 (D) Assy. Vane 15 Cover, Hanger R1 (A) Assy.
  • Page 61 Valve, Flare 2 Way ¼″ Thermister Holder WM20/25G Solenoid Coil, ZCAM12FKTH-XN-A, FJ Push Releasable Tie 1686 S452002H01 Motor, M5MSY18BR-1, 50W, 300VDC Radiation Shield Plate (3P205745-1) Fan Propeller, 400mm 2P183614-2 Kohbunshi 34 Assy. Comp. Mounting Plate Note: All exploded view and part list are subjected to change by the manufacturer without prior notice...
  • Page 62 M5MSY_(i) Exploded View and Part List Outdoor Unit Model: M5MSY20BR Description Description Assy. Base Pan Assy. Comp. Mounting Plate Assy. Outdoor Coil Grommet, Comp. Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy.
  • Page 63 Exploded View and Part List M5MSY_(i) Outdoor Unit Model: M5MSY25BR Description Description Assy. Base Pan Grommet, Comp. Assy. Outdoor Coil Accumulator Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy. Panel Top Assy.
  • Page 64 M5MSY_(i) Exploded View and Part List Outdoor Unit Model: M5MSY30BR Description Description Assy. Base Pan Grommet, Comp. Assy. Outdoor Coil Accumulator Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy. Panel Top Assy.
  • Page 65 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 © 2011 McQuay International www.mcquayup.com...
  • Page 66 Revision History List Manual Inverter Multi Split System M5MSY_(i)-0001 Amendment on Revision Subject Date Manual’s Page No. 1. Correction on Application Information 09.1.2012...

This manual is also suitable for:

M5msy20brM5msy30brM5msy25br

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