McQuay M5WMX 010 GR Technical Manual
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McQuay M5WMX 010 GR Technical Manual

Dc inverter wall mounted
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Summary of Contents for McQuay M5WMX 010 GR

  • Page 2: Table Of Contents

    2006 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 specifications at any time without notice.

  • Page 3: Nomenclature

    A : 220 - 240V/1Ph/50Hz Model Type R : heatpump Omitted if Cooling Series G : G series Capacity 010 : 9,000 Btu/h System X : DC Inverter Model Name WM : Wall Mounted Refrigerant 5 : R410A Brand M : McQuay...
  • Page 4 A : 220 - 240V/1Ph/50Hz Model Type R : heatpump Omitted if Cooling Series C : C series Capacity 010 : 9,000 Btu/h System X : DC Inverter Model Name LC : Condensing unit Refrigerant 5 : R410A Brand M : McQuay...

  • Page 5: Features

    The traditional conventional air conditioners repeat "the start" and "the stop" during the thermostat cycle off and causes the room temperature to be unstable. Incorporating fuzzy logic control into the McQuay Inverter design enables greater flexibility in handling the system control.

  • Page 6: Product Line-Up

    Pr oduct Line-Up oduct Line-Up oduct Line-Up oduct Line-Up oduct Line-Up M5WMX Product line-up Classification ACILA ACNLA ACILA ACNLA ACILA ACNLA ACILA ACNLA M5LCX Product line-up Classification ACOLA ACOTA ACILA ACITA ACOUA ACOLA ACOTA ACILA ACITA ACOUA ACOLA ACILA ACOLA ACILA...

  • Page 7: Specifications

    Specif Specif ica Specif ica tions tions tions tions Specif Specif tions General Data INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR 9,000 (3,700 - 12,000) 12,000 (3,700 - 15,000) Btu/h NOMINAL COOLING CAPACITY 2,638 (1,084 - 3,517) 3,517 (1,084 - 4,396) 11,500 (4,000 - 15,000) 14,000 (4,000 - 17,000)
  • Page 8 General Data INDOOR UNIT M5WMX 020GR M5WMX 025GR MODEL OUTDOOR UNIT M5LCX 020CR M5LCX 025CR 18,000 (5,000 - 20,000) 21,000 (5,000 - 23,000) Btu/h NOMINAL COOLING CAPACITY 5,275 (1,465 - 5,862) 6,155 (1,465 - 6,741) 19,000 (5,000 - 22,000) 22,000 (5,000 - 25,000) Btu/h NOMINAL HEATING CAPACITY 5,568 (1,465 - 6,155)
  • Page 9 General Data (With Torque Control) INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR 9,500 (2,772 - 11,165) 12,000 (2,772 - 15,114) Btu/h NOMINAL COOLING CAPACITY 2,784 (812 - 3,272) 3,517 (812 - 4,430) 11,500 (2,699 - 15,655) 13,000 (2,699 - 16,170) Btu/h NOMINAL HEATING CAPACITY...
  • Page 10 Components Data INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR TYPE CROSS FLOW Q'TY MATERIAL ACRYLO NITRILE STYRENE INDOOR FAN DRIVE DIRECT DIAMETER 97.0 / 3.8 mm/in LENGTH 717.5 / 28.2 mm/in TYPE SCR MOTOR INDOOR FAN Q'TY MOTOR...
  • Page 11 Components Data INDOOR UNIT M5WMX 020GR M5WMX 025GR MODEL OUTDOOR UNIT M5LCX 020CR M5LCX 025CR TYPE CROSS FLOW Q'TY MATERIAL ACRYLO NITRILE STYRENE INDOOR FAN DRIVE DIRECT DIAMETER 108.0 / 4.3 mm/in LENGTH 810.0 / 32.9 mm/in TYPE SCR MOTOR INDOOR FAN Q'TY MOTOR...
  • Page 12 Components Data (With Torque Control) INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR TYPE CROSS FLOW Q'TY MATERIAL ACRYLO NITRILE STYRENE INDOOR FAN DRIVE DIRECT DIAMETER 97 / 3.8 mm/in LENGTH 717.5 / 28.2 mm/in TYPE SCR MOTOR INDOOR FAN...

  • Page 13: Operating Range

    Oper Oper a a a a a ting R Oper ting R ting R ang ting R ang e e e e e Oper Oper ting R Ensure the operating temperature is in allowable range. Heatpump Heating Cooling Indoor temp. (°CDB) Indoor temp.

  • Page 14: Outlines And Dimensions

    Outlines And Dimensions Outlines And Dimensions Outlines And Dimensions Outlines And Dimensions Outlines And Dimensions INDOOR UNIT MODEL : M5WMX 010GR / 015GR Note : Dimension in mm OUTDOOR UNIT MODEL : M5LCX 010CR / 015CR Note : Dimension in mm...
  • Page 15 INDOOR UNIT MODEL : M5WMX 020GR / 025GR MODEL 1062 304 220 912 294 354 403 160 138 160 M5WMX 020/025 GR Note : Dimension in mm OUTDOOR UNIT MODEL : M5LCX 020CR / 025CR FOR M5LCX025C/CR ONLY MODEL M5LCX 020 CR 628 328 508 181 149 101 113 603 126 164 M5LCX 025 CR...

  • Page 16: Electrical Data

    Electrical Da Electrical Da ta Electrical Da Electrical Da Electrical Da INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR TYPE INSULATION GRADE POWER SOURCE 230 / 1 / 50 230 / 1 / 50 V/Ph/Hz INDOOR MOTOR RATED INPUT POWER RATED RUNNING CURRENT...
  • Page 17 Electrical Data (With Torque Control) INDOOR UNIT M5WMX 010GR M5WMX 015GR MODEL OUTDOOR UNIT M5LCX 010CR M5LCX 015CR TYPE SCR MOTOR INSULATION GRADE POWER SOURCE 230 / 1 / 50 230 / 1 / 50 V/Ph/Hz INDOOR MOTOR RATED INPUT POWER RATED RUNNING CURRENT 0.19 0.20...

  • Page 18: Controller

    Contr Contr oller Contr oller oller oller Contr Contr oller G11 Remote Controller Temperature Setting On/Off Button • • Press Once to start the air To set the desired room conditioner temperature, press the button to increase or decrease the set •...

  • Page 19: Wiring Diagrams

    W W W W W iring Dia iring Dia iring Dia iring Dia g g g g g r r r r r ams iring Dia INDOOR UNIT MODEL : M5WMX 010GR/015GR (WITH IONIZER) OUTDOOR UNIT MODEL : M5LCX 010CR/015CR...
  • Page 20 INDOOR UNIT MODEL : M5WMX 010GR/015GR (WITH NON-THERMAL PLASMA) OUTDOOR UNIT MODEL : M5LCX 010CR/015CR...
  • Page 21 INDOOR UNIT MODEL : M5WMX 020GR/025GR (WITH IONIZER) OUTDOOR UNIT MODEL : M5LCX 020CR/025CR...
  • Page 22 INDOOR UNIT MODEL : M5WMX 020GR/025GR (WITH NON-THERMAL PLASMA) OUTDOOR UNIT MODEL : M5LCX 020CR/025CR...

  • Page 23: Refrigerant Circuit Diagram

    R R R R R efrig efrig efrig efrig er er ant Cir ant Cir ant Cir ant Cir cuit Dia cuit Dia cuit Dia cuit Dia g g g g g r r r r r am efrig ant Cir cuit Dia MODEL : M5WMX 010GR/015GR c/w M5LCX 010CR/015CR...
  • Page 24 MODEL : M5WMX 020GR/025GR c/w M5LCX 020CR/025CR...

  • Page 25: Installation

    Installa Installa tion Installa tion tion tion Installa Installa tion INSTALLATION DIAGRAM 1. SELECTION OF LOCATION AND SPACE A) INDOOR UNIT Install the fan coil (indoor) unit at a location with the following requirements • Location is suitable for wiring, piping and drainage. •...
  • Page 26 Figure 1 B) OUTDOOR UNIT As condensing temperature rises, evaporating temperature rises and cooling capacity drops. In order to achieve maximum cooling capacity, the location selected for outdoor unit should fulfill the following requirements: • Install the condensing (outdoor) unit in such a way that hot air distributed by the outdoor condensing unit cannot be drawn in again (as in the case of short circuit of hot discharge air).
  • Page 27 • A place capable of bearing the weight of the outdoor unit and isolating noise and vibration. • A place protected from direct sunlight. Otherwise use an awning for protection, if necessary. • The location must not be susceptible to dust or oil mist. 2.
  • Page 28 CAUTION : • If the condensing unit is operated in an atmosphere containing oils(including machine oils), salt(coastal area), sulphide gas(near hot spring, oil refinery plant), such substances may lead to failure of the unit. • If there is any obstacle higher than 2m, or if there is any obstruction at the upper part of the unit, please allow more space than the figure indicated in the above table.
  • Page 29 4. INDOOR UNIT PREPARATION • The refrigerant piping can be routed to the unit in 5 directions, by using the cut outs in the unit casing. • Carefully bend the pipes to the required position to align with the hole. For right hand and rear side draw out, hold the bottom of the piping and fix direction before shaping it to the desired position.
  • Page 30 7. CONDENSED WATER DISPOSAL OF OUTDOOR UNIT (HEAT PUMP UNIT ONLY) • There are 2 holes on the base of Outdoor Unit for condensed water to flow out. Insert the drain elbow to one of the holes. • To install the drain elbow, first insert one portion of the hook to the base (portion A), then pull the drain elbow in the direction shown by the arrow while inserting the other portion to the base.
  • Page 31 8. WIRING Important: The figures 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. Model M5WMX 010G/015G M5WMX 020G/025G...
  • Page 32 9. REFRIGERANT PIPING A) Maximum Pipe Length and Maximum Number of Bends Always choose the shortest path for refrigerant piping and follow the recommendation as tabulated below: Model M5WMX010GR M5WMX015GR M5WMX020GR M5WMX025GR Maximum length, L (m/ft) 15/49 15/49 30/98 30/98 Max.
  • Page 33 • The exact length of pipe protruding from the face of the flare die is determined by the flaring tool. The table shows the use of an imperial die and rigid die. A (mm) Pipe ∅, D (mm/in) Imperial Rigid 6.35 / 1/4”...
  • Page 34 10. SPECIAL PRECAUTION FOR R410A SPECIAL PRECAUTIONS WHEN DEALING WITH REFRIGERANT R410A UNIT 1) WHAT IS NEW REFRIGERANT R410A? R410A is a new HFC refrigerant which does not damage the ozone layer. The working pressure of this new refrigerant is 1.6 times higher than conventional refrigerant (R22), thus proper installation / servicing is essential.
  • Page 35 d) When charging R410A, ensure that only liquid is being withdrawn from the cylinder or can. This is to ensure that only the original composition of R410A is being delivered into the system. The liquid composition can be different from the vapor composition. Invert cylinder Dip-pipe without dip-pipe...
  • Page 36 11. VACUUMING AND CHARGING PURGING THE PIPING AND THE INDOOR UNIT Except for the outdoor unit which is pre-charged with refrigerant, the indoor unit and the refrigerant connection pipes must be air-purged because the air containing moisture that remains in the refrigerant cycle may cause malfunction of the compressor.

  • Page 37: Servicing And Maintenance

    vicing vicing And Maintenance And Maintenance Ser vicing vicing vicing And Maintenance And Maintenance And Maintenance ! Warning • Disconnect from the main power supply before servicing the air conditioner unit. • DO NOT pull out the power cord when the power is ON. This may cause serious electrical shocks which may result in fire hazards.
  • Page 38 Service Parts Maintenance Procedures Period Electrical 1.Check voltage, current and wiring. Every 2 months 2.Check faulty contacts caused by loose connections, Every 2 months foreign matters, etc. Compressor 1.No maintenance needed if refrigerant circuit Every 6 months. remains sealed. However, check for refrigerant leak at joints and fittings.

  • Page 39: Troubleshooting

    T T T T T r r r r r oub leshooting leshooting oub leshooting leshooting leshooting 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.
  • Page 40 Diagnostic Guidelines By means of pressure reading: Pressure Data Probable cause Circuit High side ● 1. Overcharged with refrigerant. Low side ● 2. Non-condensable gases in refrigerant circuit (e.g. air) 3. Obstructed air-intake / discharge. 4. Hot air short circuiting in outdoor unit. High side ●...
  • Page 41 By means of diagnostic flow chart: Generally, there are two kinds of problems, i.e. starting failure and insufficient cooling/heating. “Starting failure” is caused by electrical defect while improper application or defects in refrigerant circuit causes “Insufficient cooling / heating”. i) Diagnosis of Electric Circuit The most common causes of air conditioner failure to “start”...
  • Page 42 ii ) Diagnosis of Refrigerant Circuit / Application There might be some causes where the unit starts running but does not perform satisfactorily, i.e. insufficient cooling. Judgement could be made by measuring temperature difference of indoor unit’s intake and discharge air as well as running current.
  • Page 43 Satisfactory operation with temperature difference of air intake & discharge of indoor unit 14°C to 20°C. * ( * value is for reference only )
  • Page 44 INDICATOR LIGHTS Inverter Unit IR SIGNAL RECEIVER When there is infrared remote control operating signal, the signal receiver on indoor unit will made a (beep) for signal acceptance confirmation. IR Receiver COOLING / HEATPUMP UNIT LED indicator lights The table below shows the LED indicator light for air conditioner unit under normal operation and fault LED INDICATOR LIGHTS FOR COOLING UNIT / condition.
  • Page 45 Compressor Stopped Troubleshooting Instructions (Applicable to Inverter System Only) Keep the Main Power Supply ON DO NOT TOUCH ANY OF THE Open up the Outdoor Unit’s Top Panel or Service Panel WIRES INSIDE THE UNIT! Count the number of blinks Notice the Yellow LED on the P.C.Board indicated by the LED Blink...
  • Page 46 Normal Running Mode Condition (Applicable to Inverter System Only) If the air conditioner unit has no faulty indications and the compressor is running at normal mode, the outdoor P.C.Board’s LED indication will blink at a slower paste. The table below shows the significant meaning of different running mode and limitation for this air conditioner unit.

  • Page 47: Exploded View And Parts List

    ASSY, AIR DISCHARGE 10/15 A50124062326 FILTER 10/15G A12014062321 FILTER ANTI MICROBIAL A03089019984 AIR FILTER, t5x248x43mm (Titanium Oxide) A03089015250 HANDSET, WIRELESS G11 AP MCQUAY A04084067314 ASSY, MOUNTING PLATE 10/15G A50014062324 MOTOR, AIR SWING WM10/15G A03039021375 LOUVER TOP 10/15G A12014061363 LOUVER BOTTOM 10/15G...
  • Page 48 ASSY, AIR DISCHARGE 20/25G A50124071426 FILTER 20/25G A12014066832 FILTER ANTI MICROBIAL A03089019984 AIR FILTER, t5x248x43mm (Titanium Oxide) A03089015250 HANDSET, WIRELESS G11EC W/IONIZER MCQUAY A04084065334 ASSY, MTG PLATE WM20/25F A50014036133 LOUVER, TOP 20/25G A12014066820 LOUVER, BOTTOM 20/25G A12014066821 MOTOR, MP35 WM20/25G...
  • Page 49 MODEL : M5LCX 010CR/015CR Related Model Description Part Number M5LCX 010CR M5LCX 015CR ASSY. BASE PAN A50014057190 ASSY, COIL ASSY, OUTDOOR COIL (5SLX 10CR) A50024082783 ASSY, OUTER COIL (5SLX 15CR) A50024082784 COMPRESSOR, ASSY 5CS102XEB MATSUSHITA A50049015857 VALVE,BRACKET A01014051164 VALVE, FLARE 2 WAY BRASS 1/4" (R-410A) A05019016887 VALVE, FLARE 3 WAY BRASS 3/8"...
  • Page 50 MODEL : M5LCX 020CR/025CR Related Model Description Part Number M5LCX 020CR M5LCX 025CR ASSY, BASE PAN (5SLX20/25CR) A50014073830 ASSY, OUTDOOR COIL (5SLX20/25CR) A50024073384 COMPRESSOR, 5CS130XCC03 MATSUSHITA A04019024263 ASSY, VALVE BRACKET (5SLX 20CR) A50014073839 ASSY, VALVE BRACKET (5SLX 25CR) A50014073840 ASSY., 3 WAYS VALVE 1/2" A50059022809 ASSY., 3 WAYS VALVE 5/8"...

This manual is also suitable for:

M5wmx 015 grM5wmx 020 grM5wmx 025 gr

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