Samsung LENNOX MMDD S6-1P Series Installation Manual
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Samsung LENNOX MMDD S6-1P Series Installation Manual

Samsung LENNOX MMDD S6-1P Series Installation Manual

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MMDD***S6-1P, MDDD***S6-1P
• Thank you for purchasing this Lennox Product.
• Before operating this unit, please read this manual carefully and retain it for future reference.

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Summary of Contents for Samsung LENNOX MMDD S6-1P Series

  • Page 1 Mini-Split Installation manual MMDD***S6-1P, MDDD***S6-1P • Thank you for purchasing this Lennox Product. • Before operating this unit, please read this manual carefully and retain it for future reference.

  • Page 2: Table Of Contents

    Contents Safety Information Safety Information Installation Procedure 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...

  • Page 3: Safety Information

    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.

  • Page 4: General Information

    Safety Information General information • Wear protective equipment (such as safety gloves, goggles, and headgear) during installation and maintenance work. Installation/repair technicians may be injured if improper WARNING protective equipment is worn. • Carefully read the content of this manual before installing •...

  • Page 5: Precautions For Using R-32 Refrigerant

    • For this reason, where it is not observed as indicated in • Always verify that electric connections (cable entry, the Installation Manual, the cost necessary to reach and section of leads, protections…) are compliant with the repair the unit (safely as required by local regulations) electric specifications and with the instructions provided with slings, trucks, scaffolding or any other means of in the wiring scheme.

  • Page 6: General Information On Servicing

    Safety Information • All pipe work including piping material, pipe routing General Information on Servicing and installation shall include protection from physical damage in operation and service, and comply national • Do not work in a confined space. Ensure adequate and local codes and standards, such as ASHRAE 15, ventilation is provided at the workspace during the entirety ASHRAE 15.2, IAPMO Uniform Mechanical Code, ICC...

  • Page 7: Detection Of Flammable Refrigerants

    Electrical repair safety measures • Use proper recovery cylinders appropriate for the type of refrigerant. • Follow prescribed industry best practices for purging and • All electrical components used or replaced must be to evacuation. Lennox’s specifications. • Oxygen free nitrogen shall be used for purging the system. •...

  • Page 8: Installation Procedure

    Installation Procedure Step 1 Checking and preparing Step 2 Choosing the installation accessories location The following accessories are supplied with the indoor Installation location requirements unit. The type and quantity may differ, depending on the specifications. • There must be no obstacles near the air inlet and outlet.
  • Page 9 • The place where there is a danger of existing 12.78(5.8) 231(21.5) 179(16.6) 153(14.3) 128(11.8) combustible gas, carbon fiber or flammable dust. 13.22(6.0) 247(23.0) 192(17.8) 164(15.3) 132(12.3) • The place that thinner or gasoline is handled. Gas may • m : Total refrigerant charge in the system leak and it may cause fire.

  • Page 10: Indoor Unit Dimensions

    Installation Procedure Indoor unit dimensions Unit : inch(mm) MMDD009S6-1P/MMDD012S6-1P 30. 1 6(766) 0.79(20) 4. 9 6(126) 1.38(35) 5.75(146) 6. 1 0(155) 5 . 1 2(130) 1.38(35) 5.47(139) 0.51(13) 1.30(33) 10.83(275) 6. 9 3(176) 10.83(275) 30.63(778) 31.73(806) 37.21(945) (Suspension position) 7X3. 9 4=27.56 (7X100=700) 29.32(742) (Air outlet duct flange) (Air around)
  • Page 11 MMDD018S6-1P Unit : inch(mm) 0.79(20) 38.03(966) 0.51(13) 8.58(218) 1.38(35) 2.76(70) 2.83(72)1.38(35) 8.39(213) 12.72(323) 0.33(8.3) 5. 1 2(130) 10.83(275) 10.83(275) 10.83(275) 38.50(978) 39.61(1006) (Suspension position) 45.08(1145) 9x3. 9 4=35.43(9x100=900) 24-Ø0.14(3.5) (Air outlet duct flange) 37 .09(942) (Air around) inspection hole 43.31(1100) 43.31(1100) 19.69(500) 47 .24(1200)
  • Page 12 Installation Procedure MDDD009S6-1P/MDDD012S6-1P Unit : inch(mm) hole 7x3.94=27.56(7x100=700) Ø 0.13(3.2) (Air outlet duct flange) (Air around) 32.17(817) 33.46(850) Inspection hole (Suspension position) 35.43(900) 33.46(850) 37.40(950) 19.69(500) 8.39(213) 4.92(125) Suction side Discharge side 13.39(340) Name Description Liquid pipe connection Ø1/4 inch (6.35 mm) Gas pipe connection Ø3/8 inch (9.52 mm) Drainpipe connection...
  • Page 13 MDDD018S6-1P/MDDD024S6-1P Unit : inch(mm) 11x3.94=43.31(11x100=1100) hole (Air outlet duct flange) Ø 0.13(3.2) 45.94(1167) (Air around) 47.24(1200) (Suspension position) 49.21(1250) Inspection hole 47.24(1200) 51.18(1300) 19.69(500) 8.39(213) 4.92(125) 13.39(340) Discharge side Suction side Description Name MDDD018S6-1P MDDD024S6-1P Liquid pipe connection Ø1/4 inch (6.35 mm) Gas pipe connection Ø1/2 inch (12.70mm) Ø5/8 inch (15.88 mm)
  • Page 14 Installation Procedure MDDD030S6-1P/MDDD036S6-1P/MDDD048S6-1P Unit : inch(mm) 11x3.94=43.31(11x100=1100) hole Ø 0.13(3.2) 49.92(1268) (Air around) (Air outlet duct flange) 51.18(1300) (Suspension position) 53.15(1350) Inspection hole 51.18(1300) 55.12(1400) 19.69(500) 8.39(213) 4.92(125) 13.39(340) Discharge side Suction side Name Description Liquid pipe connection Ø3/8 inch (9.52 mm) Gas pipe connection Ø5/8 inch (15.88 mm) Drainpipe connection...

  • Page 15: Step 3 Optional: Insulating The Body Of The Indoor Unit

    Step 3 Optional: Insulating the body of NOTE the indoor unit • Insulate the end of the pipe and some curved areas by using a separate insulator. • Insulate the discharge and suction part at the same time Back as you insulate the connection duct. •...
  • Page 16 Installation Procedure CAUTION 3 Install the suspension bolts depending on the ceiling type. • For proper condensate drainage, give a 0.118 inch (3mm) Ceiling support slant to the left or right side of the unit which will be connected to the drain hose, as shown in the figure. Make a tilt when you wish to install the drain pump, too.

  • Page 17: Step 5 Purging Inert Gas From The Indoor Unit

    Step 5 Purging inert gas from the indoor NOTE unit • The designs and shapes are subject to change according to the model. From the factory, the unit is supplied and set with a pre- • To prevent dirt or foreign objects from getting into the charge of nitrogen gas.

  • Page 18: Step 7 Connecting The Assembly Pipes To The Refrigerant Pipes

    Installation Procedure Step 7 Connecting the assembly pipes to 4 Slide a flare nut onto the pipe and modify the flare. the refrigerant pipes R 0.016 to 0.032 inch There are two refrigerant pipes of different diameters : (R 0.4 to 0.8 mm) •...

  • Page 19: Step 8 Performing The Gas Leak Test

    Step 8 Performing the gas leak test 4 Be sure that there are no cracks or waves on the bent area. 5 It would be necessary to double the insulation thickness To identify potential gas leaks in the indoor unit, inspect [0.39 inch (10mm) or more] to prevent condensation even on the connection area of each refrigerant pipe using a leak the insulator when the installed area is warm and humid.

  • Page 20: Step 9 Insulating The Refrigerant Pipes

    Installation Procedure CAUTION Step 9 Insulating the refrigerant pipes Once you have checked that there are no leaks in the system, • Make sure that all refrigerant connections are accessible you can insulate the piping and hose. for easy maintenance and detachment. 1 To avoid condensation problems, place Acrylonitrile •...
  • Page 21 Insulation Type (Cooling, Heating) High humidity General Outer diameter [86°F(30°C), over [86°F(30°C), 85%] Pipe Remarks 85%] EPDM, NBR inch inch inch 6.35~9.52 1/4~3/8 Liquid pipe 12.7~50.80 1/2~2 6.35 The internal temperature is higher than 248°F(120°C) 9.52~25.4 3/8~1 Gas pipe 28.58~44.45 1 1/8~1 3/4 1 1/4 50.8...

  • Page 22: Step 10 Installing The Drain Hose And Drain Pipe

    Installation Procedure Step 10 Installing the drain hose and With the drain pump drain pipe 1 The drain pipe should be installed within 11.81inch(300mm) to 21.65inch(550mm) from the flexible hose and then lift 1 Push the supplied drain hose as far as possible over the drain down 0.79inch(20mm) or more.

  • Page 23: Step 11 Performing The Drainage Test

    Step 11 Performing the drainage test Centralized drainage with the drain pump Prepare a little water, about 2 liters. NOTE 1 Pour water into the base pan in the indoor unit as shown in the figure. • If a concentrated drain pipe is installed, refer to the figure 2 Confirm that the water flows out through the drain hose.

  • Page 24: Step 12 Optional: Installing The External Controller

    Installation Procedure Step 12 Optional: Installing the external 1 Fix the case at with bolts on the side of the control box in the indoor unit.(See the picture). controller 2 Attach the external controller PCB to the case in the control box of the indoor unit.

  • Page 25: Step 13 Connecting The Power And Communication Cables

    Step 13 Connecting the power and MDDD***S6-1P communication cables Indoor Unit CAUTION F1 F2 • Always remember to connect the refrigerant pipes before performing the electric connections. When disconnecting the system, always disconnect the electric cables before disconnecting the refrigerant pipes. CAUTION Cable clamp •...
  • Page 26 Installation Procedure CAUTION MMDD***S6-1P • Be sure not to put your finger into the conduit. AC power: M4 screw Communication: M3.5 screw • Since it has an external power supply, refer to the 0.40(10.1) 0.45(11.4) 0.41(10.3) 0.54(13.8) outdoor unit installation manual for MAIN POWER. Unit : inch(mm) MDDD***S6-1P CAUTION...

  • Page 27: Step 14 Setting Additional Functions Of Wired Controller

    Step 14 Setting additional functions of wired controller Automatic Air-Volume (This function can't be used at MMDD***S6-1P model) An Automatic Air-Volume function must be performed for each indoor unit with the wired controller attached. With its BLDC motor, you can use smart adjust the indoor unit fan speed depending on the installation condition. If the duct is long so the external static pressure is high, or the duct is short so the external static pressure is low, the Automatic Air Volume will automatically adjust the supply air flow to the rate air flow rate.
  • Page 28 Installation Procedure External Static Pressure (ESP) setting for phase MDDD012S6-1P Model control motor Static Pressure Option Code for Indoor Unit inWg mmAq With its phase control motor, you can adjust the indoor unit 0.01≤Ps≤0.06 2.5≤Ps≤5 01B3FC-1C5443-272328-372000 fan speed depending on the installation condition. If the 0.06<Ps≤0.1 5<Ps≤7.5 01B3FC-1C54A7-272328-372000...

  • Page 29: User Mode

    MDDD048S6-1P Model 1 Press the button. Static Pressure (Main Menu) will be displayed, and you can press the Option Code for Indoor Unit inWg mmAq [ ]/[ ] buttons to select User mode. 0.10≤Ps≤0.20 2.5≤Ps≤5 01B3FC-1C545A-278C9B-372045 0.20<Ps≤0.30 5<Ps≤7.5 01B3FC-1C54AD-278C9B-372045 User mode 0.30<Ps≤0.40 7.5<Ps≤10.0 01B3FC-1C54EF-278C9B-372045 0.40<Ps≤0.50 10.0<Ps≤12.5 01B3FC-1C5912-278C9B-372045 Indoor...

  • Page 30: Step 15 Optional : Setting The Emergency Temperature Output (Eto) Function

    Installation Procedure Step 15 Optional : Setting the Emergency Temperature Output (ETO) function CAUTION • To deploy the ETO function, the VSTAT10P-1, an external contact interface module, must be installed in each indoor unit. – To use the ETO function, should use Lennox Service Software. –...
  • Page 31 [Main] [Sub] ETO operation specifications See the details for SEG 14 and SEG 15 in the table titled '02 series installation option'. Main indoor unit – Based on the external contact control settings, the main indoor unit decides whether to generate output when an error (indoor unit stop) occurs.

  • Page 32: Step 16 Setting The Indoor Unit Option Code With The Wired Controller

    Installation Procedure Step 16 Setting the indoor unit option code with the wired controller To set the indoor unit option code use the wired controller and follow the directions below. Service mode Please enter your PASSWORD If you want to use the various additional functions for your Wired controller, press the buttons at the same time for more than 3 seconds.
  • Page 33 Product option Indoor unit/Ventilator option (1/5) Depending on the changes, the system may be restarted. Address Target Address Product option Installation option 1 Serial No.: A0013CBH700369 Installation option 2 Press the button to set the current step. Product option (2/5) Target Address:20 00 00 Depending on the changes, the system may be restarted.
  • Page 34 Installation Procedure Product Option (1/5) Depending on the changes, the system may be restarted. Target Address 20 00 01 Serial No. : ************** Press the OK button to set the current step. [Product Option 3page] [Product Option 2page] Product Option Product Option (2/5) (3/5)
  • Page 35 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6      Page number SEG7 SEG8 SEG9 SEG10 SEG11 SEG12      Page number SEG13 SEG14 SEG15 SEG16 SEG17 SEG18      Page number SEG19 SEG20 SEG21 SEG22...

  • Page 36: Step 17 Setting Indoor Unit Addresses And Installation Options With Wired Controller

    Installation Procedure Step 17 Setting indoor unit addresses and installation options with wired controller Set the indoor unit address and installation option with the remote control option. Set each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time. You need to set twice when setting the indoor unit address and installation option.
  • Page 37 [Address > Main Address] [Address > RMC Address] Main Address RMC Address Target Address New address Target Address New address 20 00 01 20 00 01 Press the 'OK' button to complete the setting. Press the 'OK' button to complete the setting. Address setting range : Main (0 ~ 4F) / RMC (0 ~ FE) NOTE •...

  • Page 38: Installation Option

    Installation Procedure Installation Option 1 (1/5) Depending on the changes, the system may be restarted. Target Address 20 00 01 Serial No. : ************** Press the OK button to set the current step. [Installation Option 1-2page] [Installation Option 1-3page] Installation Option 1 Installation Option 1 (2/5) (3/5)
  • Page 39 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 External room temperature sensor / RESERVED Minimizing fan operation when the Central control RESERVED thermostat is off SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Drain pump & Emergency Controller variables for Hot Coil Auxiliary heater RESERVED Stop the auxiliary heater...

  • Page 40: Step 18 Optional : Setting The Indoor Unit Addresses And The Installation Options With The Wireless Remote Control

    Installation Procedure Step 18 Optional : Setting the indoor unit Press [WindFree] button and [Turbo] button for 5 seconds. addresses and the installation options Make sure that you are entered into the mode for with the wireless remote control setting options: You cannot set both the indoor unit addresses and the installation options at the same time.
  • Page 41 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...
  • Page 42 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.
  • Page 43 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.
  • Page 44 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.
  • Page 45 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.
  • Page 46 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]...
  • Page 47 02 series installation option (Detailed) Option No. : 02XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 Use of external room temperature sensor / Explanation PAGE MODE Minimizing fan operation when thermostat is off Indication Details Indication Details Details Use of Minimizing fan Indication external room operation when...
  • Page 48 Installation Procedure Option SEG9 SEG10 SEG11 SEG12 Explanation Use of Hot Coil Use of auxiliary heater Controller variables for auxiliary heater Indication Details Indication Details Details Set temperature Time delay Indication for auxiliary heat for auxiliary heat on No temperature No delay offset Disuse...
  • Page 49 Option SEG17 SEG18 SEG19 SEG20 Explanation Buzzer control Maximum filter usage time ³ PAGE Individual control with remote control ⁴ Indication Details Indication Details Indication Details Indication Details Use of 1000 Hour 0 or 1 Indoor 1 buzzer Indication Indoor 2 and Details Disuse 2000 Hour...
  • Page 50 Installation Procedure 05 series installation option (Detailed) Option No. : 05XXXX-1XXXXX-2XXXXX-3XXXXX SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Page Mode Indication Details Indication Details Reserved Reserved Reserved Reserved Installation Option 2 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Bit 0 : Allow Fan control in auto mode Page Heater lock out Heat pump lock out...

  • Page 51: Changing The Addresses And Options Individually

    Changing the addresses and options individually When you want to change the value of a specific option, refer to the following table and follow the steps in Common steps for setting the addresses and options on page 40. Option SEG1 SEG2 SEG3 SEG4...

  • Page 52: Step 19 Optional : Led Display Indicator Specifications When Checking Wi-Fi Easy Setup And Wi-Fi Status

    Installation Procedure Step 19 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 Connect/Disconnect to Wi-Fi Mode...

  • Page 53: Led Indicator Status

    LED indicator Status Indicators Filter On / Off Timer Duct Note Action sign AP Entry All LEDs turn On Device Check All LEDs Flashing LEDs Flashing sequentially Device (On/Off → Timer → Fan → Filter Registration sign) Easy Setup Connection All LEDs Flashing(During 3SEC) success AP setting,...

  • Page 54: Step 20 Wi-Fi Module Reinstallation Guide

    Installation Procedure Step 20 Wi-Fi module Reinstallation guide 3 Remove one screw and remove the Cover case. In some cases, the Wi-Fi module may need to be removed and relocated to improve the Wi-Fi signal connection. MMDD***S6-1P 1 Disassemble two screws and remove the Cover control. 4 Pull the Wi-Fi wire through the wiring hole, and then take out the Wi-Fi module from the back side of the Cover pipe.
  • Page 55 5 Connect the Wi-Fi wire connector through the wire hole. 7 Fix the Wi-Fi module to the Ceiling to avoid the steel structure. If length extension is required, use an enclosed wire (Accessory bag). 6 Assemble the cover pipe and the Cover control. English...
  • Page 56 Installation Procedure 3 Disassemble two screws and remove the cover pipe. MDDD***S6-1P 1 Disassemble two screws and remove the Cover control. 2 Disconnect the Wi-Fi connector. 4 Pull out the Wi-Fi wire through the wire hole, and then take out the Wi-Fi module from the back side of the Cover pipe. English...
  • Page 57 5 Connect the Wi-Fi wire connector through the wire hole . 7 Fix the Wi-Fi module to the Ceiling to avoid the steel structure. - If length extension is required, use an enclosed wire (Accessory bag). 6 Assemble the cover pipe and Cover control . English...

  • Page 58: Appendix

    Troubleshooting Troubleshooting • If an error occurs during the operation, one or more LEDs flicker and the operation is stopped except the LED. • If you re-operate the mini-split, it operates normally at first, then detects an error again. Indicators Abnormal conditions Remarks Blue...
  • Page 59 • If an error occurs, is displayed on the wired controller. If you would like to see an error code, press the Test button. Display Explanation Remark Communication Error between indoor and outdoor unit Indoor fan PCB overheating error Error of Room sensor in the indoor unit (Open/Short) Error of Eva In sensor in the indoor unit (Open/Short) Error of Eva Out sensor in the indoor unit (Open/Short) 2nd Detection of the float switch...

This manual is also suitable for:

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