Samsung LENNOX VWMD 6-5P Series Installation Manual
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Samsung LENNOX VWMD 6-5P Series Installation Manual

Samsung LENNOX VWMD 6-5P Series Installation Manual

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VRF (Variable Refrigerant Flow)
Installation manual
VWMD****6-5P
• Thank you for purchasing this Lennox Product.
• Before installing this unit, please read this installation manual carefully and retain it for future reference.

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Summary of Contents for Samsung LENNOX VWMD 6-5P Series

  • Page 1 VRF (Variable Refrigerant Flow) Installation manual VWMD****6-5P • Thank you for purchasing this Lennox Product. • Before installing this unit, please read this installation 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 Selecting the installation location Step 3 Installing the indoor unit Step 4 Purging the unit Step 5 Connecting the refrigerant pipe Step 6 Cutting or flaring the pipes Step 7 Performing leak test Step 8 Wrapping the pipes with the insulation Step 9 Installing the drain hose...

  • Page 3: Safety Information

    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: Installing The Unit

    Safety Information location and remember to hand it over to the new owner • This unit is a partial unit air conditioner, complying with if the air conditioner is sold or transferred. partial unit requirements of this International Standard, and must only be connected to other units that have • This manual explains how to install an indoor unit with been confirmed as complying with corresponding partial a split system with two Lennox units.

  • Page 5: Power Supply Line, Fuse Or Circuit Breaker

    • For this reason, where it is not observed as indicated in the Install the circuit breaker. Installation Manual, the cost necessary to reach and repair • If the circuit breaker is not installed, electric shock or fire the unit (safely as required by local regulations) with slings, may occur.

  • Page 6: Safety Information

    Safety Information • For ducted systems, any auxiliary systems that are sign shall be attached. potential ignition sources shall not be installed in the duct • Under no circumstances shall potential sources of ignition work. Examples of ignition sources are hot surfaces with be used upon detection of leakage.

  • Page 7: Removal And Evacuation

    Decommissioning the refrigerant and corrode the piping. • If leakage is suspected, naked flames shall be removed. • Only qualified licensed professionals shall perform • If a leakage is found while brazing, the entire refrigerant refrigerant recovery and decommissioning. shall be recovered from the product or isolated (e.g. using • Isolate the system electrically.

  • Page 8: Installation Procedure

    Installation Procedure Installation Procedure Step 1 Checking and preparing CAUTION accessories • Do not install the product with EEV (commercial model) in a quiet place such as bedroom, hotel, and hospital. The following accessories are supplied with the indoor unit. If installation is required in a place, install the indoor The type and quantity may differ depending on the unit that has no EEV along with the EEV kit.

  • Page 9: Step 3 Installing The Indoor Unit

    Step 3 Installing the indoor unit If you fix the indoor unit to a wall, fix the installation plate to the wall giving attention to the weight of the indoor Before fixing the installation plate to the wall or window frame, unit.

  • Page 10: Step 5 Connecting The Refrigerant Pipe

    Installation Procedure Step 5 Connecting the refrigerant pipe Refrigerant oil Connect indoor and outdoor units with field-supplied copper pipes by means of flare connections. Use insulated seamless refrigeration grade pipe only, (Cu DHP type according to ISO1337), degreased and deoxidized, suitable for operating pressures of at least 4200 kPa and for burst pressure of at least 20700 kPa.

  • Page 11: Step 6 Cutting Or Flaring The Pipes

    Step 6 Cutting or flaring the pipes (Unit: inch (mm)) Make sure that you prepared the required tools. Outer Conventional flare tool (pipe cutter, reamer, flaring tool and pipe holder) Flare tool for R-32 diameter clutch type Clutch type Wing nut type If you want to shorten the pipe, cut it using a pipe cutter ensuring that the cut edge remains at 90°...

  • Page 12: Step 7 Performing Leak Test

    Installation Procedure Step 8 Wrapping the pipes with the Connection Torque Outer diameter, Flare dimension, L insulation D (inch (mm)) (inch(mm)) kgf•cm (lbf•ft (N•m)) After checking for gas leaks in the system, insulate the pipe, Ø1/4 inch 10.3 to 13.3 0.34 to 0.36 140~180 hose and cables.

  • Page 13: Step 9 Installing The Drain Hose

    Step 9 Installing the drain hose Pass the drain hose under the refrigerant pipe, keeping the drain hose tight. When installing the drain hose for the indoor unit, check if Pass the drain hose through the hole in the wall. Check if condensation draining is adequate.

  • Page 14: Step 11 Connecting The Power And Communication Cables

    Installation Procedure Step 11 Connecting the power and The power cable should be used only copper wires. Connect the power cable (1(L), 2(N)) among the units communication cables within maximum length and communication cable (F1, F2) each. Before wiring work, you must turn off all power source. Indoor unit power should be supplied through the breaker (ELCB or MCCB+ELB) separated by the outdoor power.
  • Page 15 Ring terminal selection Silver solder Norminal Norminal dimensions dimensions Standard Standard Standard Allowance Standard Allowance Allowance Allowance for cable for screw dimension dimension dimension (inch Min. Min. Max. dimension Min. (inch (mm)) (inch (mm)) (inch (mm)) (inch² (mm)²) (inch (mm)) (inch (mm)) (inch (mm)) (inch (mm))
  • Page 16 Installation Procedure Example of Installation ‐ Total power cable length L = 328.08 [ft. ] (100 [m]), Running current of each units 1[A] ‐ Total 10 indoor units were installed 10[A] 9[A] 1[A] ELCB MCCB+ Indoor unit 1 Indoor unit 2 Indoor unit 10 0 [ft.] (0 [m]) 32.81 [ft.
  • Page 17 • You must keep the cable in a protection tube. • Keep distances of 1.97 inch (50 mm) or more between power cable and communication cable. • Maximum length of power cables are decided within 10% of power drop. If it exceeds, you must consider another power supplying method.

  • Page 18: Step 12 Setting An Indoor Unit Address And Installation Option

    Installation Procedure Step 12 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)
  • Page 19 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...
  • Page 20 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 21 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 22 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 23 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 24 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...

  • Page 25: Setting An Indoor Unit Address (Main/Rmc)

    Setting an indoor unit address (MAIN/RMC) Check whether power is supplied or not. ‐ When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. Assign an indoor unit address by wireless remote control.
  • Page 26 Installation Procedure 02 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 External room temperature sensor / Central control Minimizing fan operation when thermostat is off SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Dew removal operation in Wind-Free mode / EEV Step when Use of drain pump Evaporator Drying fan heating stops...
  • Page 27 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 Details Indication Details Indication Details Indication Use of external room Minimizing fan operation when thermostat is off temperature sensor Default...
  • Page 28 Installation Procedure Option SEG9 SEG10 SEG11 SEG12 Dew removal operation in Wind-Free mode / Auto Evaporator Drying fan mode / EEV Step when heating stops Explanation Auto fan smart comfortable mode Auto fan Dew removal operation in Auto Evaporator smart Indication Details Indication...
  • Page 29 Option SEG17 SEG18 SEG19 SEG20 Explanation Buzzer control Hours of filter usage PAGE Individual control of a remote control Indication Details Indication Details Indication Details Indication Details Use buzzer 1000 Hour 0 or 1 channel 1 Indication channel 2 and Details Disuse buzzer 2000 Hour channel 3...
  • Page 30 Installation Procedure Please refer to the EEV step table below for the system (for heating) at stop. Indication A Step Wall Stopped MountedWith EEV B Step Unit's EEV step Other Indoor Units except for Default No Function wall mounted with EEV (*4) When the following 2 or 3 is used as external heater On/Off signal, the signal for monitoring external contact control will not be output.
  • Page 31 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of Auto Change (When setting SEG3) Over for HR only in (When setting SEG3) (When setting SEG3) Standard for mode Auto mode / Use of Standard heating Standard cooling change Heating →...
  • Page 32 Installation Procedure Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 (When setting SEG3) (When setting SEG3) Compensation option for PAGE Standard for mode Time required for Long pipe or height difference MTFC (*3) Explanation change Cooling → Heating mode change between indoor units Indication Details Indication...
  • Page 33 Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 PAGE Forcing FAN Operation for Heating and Cooling Explanation Details Indication Indication Details Cooling Fan Setting Heating Fan Setting Disuse Disuse Disuse Use (Fan: User setting) Disuse Use (Fan: High) Disuse Use (Fan: Low) Use (Fan: User setting) Disuse Use (Fan: User setting)
  • Page 34 Installation Procedure SEG 3, 4, 5, 6, 8, 9 additional information When the SEG3 is set as "1" and follow Auto Change Over for HR only operation, it will operate as follows. A: Set with SEG4 °F(°C) Temperature Standard temp. for Heating → Cooling B: Set with SEG5 °F(°C) C: Set with SEG6 °F(°C)

  • Page 35: Changing A Particular Option

    Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 The tens’ digit of an The unit digit of an The option mode you Explanation PAGE MODE option SEG you will option SEG you will Changed value want to change...

  • Page 36: Step 13 Performing The Final Check

    Installation Procedure Step 13 Performing the final check Step 14 Providing information for user To complete the installation, perform the following checks After finishing the installation of the product, you should and tests to ensure that the product operates correctly. explain the following to the user.

  • Page 37: Troublshooting

    Troublshooting If a problem occurs to the product, the following error codes will appear on the display of the indoor unit or outdoor unit. Error detection and re-operation • If an error occurs during operation, an error code will appear and all the operations are stopped except the display panel.
  • Page 38 Troublshooting Error description Error code 4. Low pressure s/w (2nd detection) E451 5. Abnormally high temperature on discharged air on outdoor unit (2nd detection) E416 6. Indoor unit shut-down due to unconfirmed error on outdoor unit E559 7. Error due to reverse phase detection E425 8.

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