Window-type room air conditioner ( cool ) (16 pages)
Summary of Contents for Samsung LENNOX M1WD S6-1P Series
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Mini-split Installation manual M1WD***S6-1P / M33D***S6-1P • Thank you for purchasing this Lennox Product. • Before operating this unit, please read this manual carefully and retain it for future reference.
Contents Safety Information Installation Procedure Step 1 Checking and preparing accessories Step 2 Choosing the installation location Step 3 Optional: Insulating the body of the indoor unit Step 4 Installing the indoor unit Step 5 Purging inert gas from the indoor unit Step 6 Cutting and flaring the pipes Step 7 Connecting the assembly pipes to the refrigerant pipes Step 8 Performing the gas leak test...
Safety Information California Proposition 65 Warning (US) Symbol Meaning Cancer and Reproductive Harm - WARNING: www.P65Warnings.ca.gov. Flammable gas IMPORTANT – This product has been designed and manufactured to meet ENERGY STAR criteria for energy efficiency when matched with appropriate coil components. Flammable materials However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency.
Safety Information General information • The mini-split contains a refrigerant that must be disposed of as special waste. At the end of its life cycle, the mini-split must be disposed of in authorized centers WARNING or returned to the retailer so it can be disposed of correctly and safely.
• Do not use the mini-split in environments with hazardous • Verify that the voltage and frequency of the power supply substances or close to equipment that releases free flames to comply with the specifications and that the installed avoid the occurrence of fires, explosions or injuries. power is sufficient to ensure the operation of any other domestic appliance connected to the same electric lines.
Safety Information Precautions for using R-32 refrigerant • Installation, servicing, and any type of maintenance or repair must be performed by certified personnel who are competent to carry out such activity following national General and local regulations. • This product is pre-charged with mildly flammable gas General information on Servicing classified as A2L by ASHRAE.
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Electrical repair safety measures Removal and Evacuation • All electrical components used or replaced must be to • When removing refrigerant for servicing it is Lennox’s specifications. recommended to remove the entire quantity. • If a fault exists that could compromise safety, then no •...
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Safety Information Decommissioning About Refrigerant Detection System(RDS) • Only qualified licensed professionals shall perform • This system includes a refrigerant detection system (RDS) refrigerant recovery and decommissioning. and automatic leak mitigation controls. • Isolate the system electrically. • When a leak is detected, the RDS will stop the compressor and energize the indoor unit(s) fan for air circulation to •...
Installation Procedure Step 1 Checking and preparing 4-Way Cassette accessories Pattern sheet (1) Drain hose (1) The following accessories are supplied with the indoor unit. The type and quantity may differ, depending on the specifications. Insulation pipe 1-Way Cassette Insulation drain hose (1) (Liquid side1, gas side1) Dimension template (2) Drain insulation (1)
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Installation Procedure WARNING Minimum required room area [A, ft Reference Height [h₀, ft(m)] • Because your mini-split contains R-32 refrigerant, make m [lbs(kg)] Ceiling-mounted(with R-32 sensor) sure that it is installed, operated, and stored in a room 7.2(2.2) 8.2(2.5) 8.9(2.7) 10.5(3.2) whose floor area is larger than the minimum required ≤...
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Do not install the mini-split in the following places. • Marking the equipment shall continue to be visible and legible. Markings and signs that are illegible shall be corrected. • Refrigerating pipes or components shall be installed • A place where there is mineral oil or arsenic acid. resin in a position where they are unlikely to be exposed to parts flame and the accessories may drop, or water may any substance that may corrode refrigerant-containing...
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Installation Procedure 1-Way cassette Unit: inch(mm) 45.28(1150) (Ceiling opening dimension) 40.79(1036) (Space of suspension bolts) 38.19(970) 16.14(410) Ceiling 47.17(1198) 1.97(50) M1WD009S6-1P Model M1WD012S6-1P Liquid pipe connection inch(mm) Ø1/4"(6.35) Gas pipe connection inch(mm) Ø3/8" (9.52) Drain hose connection inch(mm) 3/4 inch [OD 1.05 inch (26.67 mm)] 12 English...
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1-Way cassette Unit: inch(mm) 54.33(1380) (Ceiling opening dimension) 49.6(1260) (Space of suspension bolts) 47.24(1200) 17.72(450) Ceiling 55.51(1410) 1.97(50) Model M1WD018S6-1P Liquid pipe connection inch(mm) Ø1/4"(6.35) Gas pipe connection inch(mm) Ø1/2"(12.7) Drain hose connection inch(mm) 3/4 inch [OD 1.05 inch (26.67 mm)] English...
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Installation Procedure 4-Way cassette Unit: inch(mm) 35.04~35.83 (890~910) (Celling opening) 37.4 (950) 28.94 (735) (Space of suspension bolts) 14.57 (370) 33.07 (840) 7.28 (185) 3.62 (92) 2.17 (55) 9.45 (240) 2.36 (60) 2.17 (55) 6.54 (166) 12.99 (330) 9.33 (237) 13.82 (351) 11.89 (302) The sub duct hole is not applicable to the WindFree models.
Spacing requirements 4-Way Cassette Unit: inch(mm) 59.1 inch (1500 mm) or more 98.43 inch (2500 mm) or more 0.79 inch (20 mm) Obstruction C: 59.1 inch (1500 mm) or more Unit: inch(mm) Model CAUTION M33D018S6-1P 11.54 (293) 0.67 (17) 0.79 (20) •...
Installation Procedure Step 3 Optional: Insulating the body Unit: inch(mm) of the indoor unit Chassis Model M1WD009S6-1P 38.98X6.10 38.98X6.10 16.93X6.10 16.93X6.10 38.98X16.93 If you install a cassette type indoor unit on the ceiling when M1WD012S6-1P (990x155) (990x155) (430x155) (430x155) (990x430) 1-Way the temperature is over 80.6 °F (27 °C) and humidity is Cassette...
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Insert bolt anchors, use existing ceiling supports or 1-Way Cassette construct a suitable support as shown in the figure. Concrete Hole in anchor Insert Hole in plug Suspension bolt (M8) - field supply 4-Way Cassette Install the suspension bolts, depending on the ceiling type. Pad stopper Ceiling support Bracket...
Installation Procedure 1-Way Cassette 4-Way Cassette Unit: inch(mm) 1-Way cassette (M1WD009S6-1P, M1WD012S6-1P) Insulator Air outlet side Air inlet side Liquid side Gas side Ceiling 1-Way cassette (M1WD018S6-1P) Air outlet side Air inlet side NOTE • To prevent dirt or foreign objects from getting into the pipes during installation, do not remove the pinch pipe completely until you are ready to connect the piping.
Slide the flare nuts onto the pipes, then flare each pipe. R 0.4 to 0.8 mm (0.016 to 0.032 inch) Flare Flare Pipe Outer Diameter (D) Depth (A) Flare dimension (L) inch inch inch Ø6.35 0.051 8.7 to 9.1 0.34 to 0.36 Torque Spanner Ø9.52...
Installation Procedure 4-Way Cassette CAUTION • Connect the indoor and outdoor units using pipes with flared connections (not supplied). For the lines, use insulated, unwelded, degreased and deoxidized Insulator Liquid side copper pipe (Cu DHP type to ISO 1337 or UNI EN 12735-1), Operating pressure depends on outdoor unit specifications.
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Wind insulating tape around the pipes and drain hose to Select the insulation of the refrigerant pipe. avoid compressing the insulation too much. • Insulate the gas side and liquid side pipe, noting the insulation thickness that must differ according to the pipe size.
Installation Procedure Step 10 Installing the drain hose and 4-Way Cassette drain pipe Push the supplied drain hose as far as possible over the drain socket. 1-Way Cassette Tighten the metal clamp as shown in the picture. Connect the flexible hose to the drain hose port. •...
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• Install an air vent to drain condensation smoothly. • Do not apply force to the piping on the unit side when connecting the drain hose. The hose should not be Air ventilation allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as possible.
Installation Procedure Step 11 Performing the drainage test NOTE • If a common drainpipe is installed, refer to the figure Do a leak test at the connection part of the flexible hose below. and the drain pipe: Main air vent Connect a general hose to the connection part of Full thread (must be installed)
Step 12 Connecting the power and 4-Way Cassette communication cables Bushing bracket installation When connecting the power supply wire conduit, the supplied bracket must be installed as shown in the picture below. When the electric cable connection is completed 1-Way Cassette •...
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Installation Procedure Connecting the power and communication 4-Way Cassette cables CAUTION • Always remember to connect the refrigerant pipes Indoor unit before performing the electric connections. When disconnecting the system, always disconnect the electric cables before disconnecting the refrigerant pipes. •...
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Reassemble the electrical component box cover, Indoor power supply carefully tightening the screw. Power supply Max/Min(V) Indoor power cable 1-Way Cassette 208 to 230V, 60 Hz ±10% AWG18↑, 3 wires Communication cable AWG18↑, 2 wires Indoor Unit Unit: inch(mm) Communication: M3.5 screw AC power: M4 screw Outdoor Unit 0.3(7.5)
Step 13 Optional : Setting the Emergency Temperature Output (ETO) function Emergency Temperature Output (ETO) function (for the multi system, this function is not supported.) CAUTION • To deploy the ETO function, the VSTAT10P-1, an external contact interface module, must be installed in each indoor unit. –...
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Installation Procedure Sub indoor unit – (Required) Enable the external contact control (with the installation option SEG14 - Reverse Control). – Connect the Lennox Service Software to F1 and F2. – Enable the entrance control and set the mode, temperature, and fan speed. [Main] [Sub] ETO operation specifications...
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Installing external outputs • An external output signal occurs if the R-32 sensor in the indoor unit detects a refrigerant leak, or the sensor has a malfunction or short circuit. • Based on this signal, safety measures required for the indoor unit, such as ventilation system activation and alarm activation, can be taken.
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Installation Procedure For controlling EXTERNAL ALARM or VENTILATION SYSTEM (On/Off) Power R-32 Check: CN802 (Yellow, 2Pin) Communication External Alarm or Ventilation System ※ Use of the WIRE HARNESS included in the VSTAT10P-1 To Main PBA VSTAT10P-1 NOTE • The VSTAT10P-1 can be connected to the required load on connectors 3 and 4. •...
Step 14 Optional : LED Display indicator specifications when checking Wi-Fi Easy Setup and Wi-Fi status The wireless remote control can be used for Easy Setup, checking the internet connection status and connecting or disconnecting Wi-Fi. Easy Setup Check internet connection status Enable/Disable Wi-Fi Press the button for...
Installation Procedure LED Indicator Status LED lamp display Filter Operation Timer 1-Way Cassette Remarks Measure Cleaning ● ● ● ● AP entry All LED lights are on Check device ◑ ◑ ◑ ◑ All LED lights flash Registering All LED lights flash one after ◑...
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LED Display Filter Operation Defrost Timer 4-Way Cassette Cleaning Remarks Measure AP entry ● ● ● ● All LED lights are on ◑ ◑ ◑ ◑ Check device All LED lights flash Registering ◑ ◑ ◑ ◑ All LED lights flash one after another Easy Setup devices Connected...
Installation Procedure Step 15 Setting the indoor unit Make sure that you are entered to the mode for setting options. addresses and the installation options You cannot set both indoor unit addresses and the installation options in a batch: set both respectively. 2 Digit Common steps for setting the addresses and 10 point (2SEG per point)
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Take the steps presented in the following table: Steps Remote control display Set the SEG2 and SEG3 values: Set the SEG2 value by pressing the button repeatedly until the value you want to set appears on the remote control display. SEG2 Set the SEG3 value by pressing the button repeatedly until the value you want...
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Installation Procedure Steps Remote control display Set the SEG6 and SEG8 values: Set the SEG6 value by pressing the button repeatedly until the value you want to set appears on the remote control display. SEG6 Set the SEG8 value by pressing the button repeatedly until the value you want to set appears on the remote control display.
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Steps Remote control display Set the SEG11 and SEG12 values: Set the SEG11 value by pressing the button repeatedly until the value you want to set appears on the remote control display. SEG11 Set the SEG12 value by pressing the button repeatedly until the value you want to set appears on the remote control display.
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Installation Procedure Steps Remote control display 13 Set the SEG16 and SEG17 values: Set the SEG16 value by pressing the button repeatedly until the value you want to set appears on the remote control display. SEG16 Set the SEG17 value by pressing the button repeatedly until the value you want to set appears on the remote control display.
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Steps Remote control display 17 Set the SEG21 and SEG22 values: Set the SEG21 value by pressing the button repeatedly until the value you want to set appears on the remote control display. SEG21 Set the SEG22 value by pressing the button repeatedly until the value you want to set appears on the remote control display.
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Installation Procedure Check whether the option values you have set are Reset remote control: button Down + correct by pressing the button repeatedly. button Down + Press for 10 seconds You can see the "SW Initialization" message. [SEG2, SEG3] [SEG4, SEG5] [SEG6, SEG8] [SEG9, SEG10] [SEG11, SEG12] Reset indoor...
Setting the indoor unit addresses Option No. for an indoor unit address: 0AXXXX-1XXXXX-2XXXXX-3XXXXX Before installing an indoor unit, be sure to set an address for the indoor unit by taking the following steps: Make sure that the power is supplied to the indoor unit.
Installation Procedure Setting the installation options in a batch Option No. for an installation options : 0XXXXX-1XXXXX-2XXXXX-3XXXXX Make sure that the power is supplied to the indoor unit. If the indoor unit is not plugged in, it must include a power supply. Indoor Unit Set the installation options of indoor units, by referring to the following table and by following the steps in Common steps for setting the addresses and options on page 36.
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02 series installation option (Detailed) Option No.: 02XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of external room temperature sensor / Compensation of the Function Page Mode Central control Minimizing fan operation when thermostat is off fan RPM Details Use of external Minimizing fan Indication...
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Installation Procedure Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Dew removal operation in WindFree mode/ Use of drain pump & Emergency Function Page WindFree mode in Auto cleaning/ Stop Smart Comfort in Auto mode Indication Details Details Details Dew removal WindFree Indication Indication...
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Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Individual control with Heating setting Function Page Setting the MDS Kit installation option remote control compensation Indication Details Indication Details Indication Details Indication Details 0 or 1 Indoor 1 Default Disuse (Soft Off+Hard off) 3.6 ℉...
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Installation Procedure 05 series installation option (Detailed) Option No.: 05XXXX-1XXXXX-2XXXXX-3XXXXX SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Page Mode Auxiliary heater offset temp. and time delay Details Time delay Indication Details Indication Details Indication Set temperature for for auxiliary auxiliary heat on heat on No temperature offset No delay...
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Bit 0 : Allow Fan control in auto mode Page Heater lock out Heat pump lock out Bit 1 : Onboarding Type(AP / BLE) Bit 2 : MDS UX Type ( Integration / separation ) Indication Details Indication Details...
Appendix Troubleshooting 1-Way Cassette LED lamp display Operation Defrost Filter Error Timer Fan Abnormal conditions Remarks Blue Yellow Cleaning Code Power reset ◑ Error of temperature sensor in the indoor unit (Open/Short) E121 ◑ 1. Eva-In Sensor Error (Open/short) E122 2.
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4-Way Cassette LED lamp display Error Operation Defrost Timer Filter Abnormal conditions Code Power reset ◑ Error of temperature sensor in the indoor unit (Open/Short) E121 ◑ 1. Eva-In Sensor Error (Open/short) E122 2. Eva-out Sensor Error (Open/short) E123 ◑ ◑...
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