Samsung Lennox VUCD S6-5P Series Installation Manual
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Samsung Lennox VUCD S6-5P Series Installation Manual

Samsung Lennox VUCD S6-5P Series Installation Manual

Variable refrigerant flow
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VRF (Variable Refrigerant Flow)
Installation manual
VUCD***S6-5P
• 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 VUCD S6-5P Series

  • Page 1 VRF (Variable Refrigerant Flow) Installation manual VUCD***S6-5P • 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 Contents Safety Information Installation Procedure Step 1 Checking and preparing accessories Step 2 Choosing the installation location Step 3 Installing the indoor unit Step 4 Purging inert gas from the indoor unit Step 5 Cutting and flaring the pipes Step 6 Connecting the assembly pipes to the refrigerant pipes Step 7 Performing the gas leak test Step 8 Insulating the refrigerant pipes...

  • 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 • Do not place containers with liquids or other objects on the unit. • The air conditioner contains a refrigerant that must be disposed of as special waste. At the end of its life cycle, WARNING the air conditioner must be disposed of in authorized centers or returned to the retailer so it can be disposed •...

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

    • Excessive indoor humidity or clogged condensate drain in the wiring scheme. Always verify that all connections lines may cause water to drip from indoor units.  Do not comply with the standards applicable to the installation install the indoor unit where dripping could result in of air conditioners.
  • Page 6 Safety Information Precautions for using R-32 refrigerant General information on Servicing • Do not work in a confined space. Ensure adequate ventilation is provided at the workspace during the General entirety of the duration of the work to safely disperse any released refrigerant.
  • Page 7 sharp edges, and other adverse environmental factors. instructions. • The refrigerant system should be grounded before Detection of flammable refrigerants charging the system. • Label the system when charging is completed. • Electronic leak detectors shall be used to detect •...

  • Page 8: Installation Procedure

    Installation Procedure Installation Procedure Step 1 Checking and preparing Cable-tie User manual accessories The following accessories are supplied with the indoor unit. The type and quantity may differ depending on the specifications. Ceiling type (VUCD018S6-5P) Install manual Insulation Pattern sheet User's manual Rubber Rubber B...

  • Page 9: Step 2 Choosing The Installation Location

    Step 2 Choosing the installation CAUTION location • As a rule, the unit cannot be installed at a height of less than 8.2ft (2.5m). • Select a convenient location that permits the air to reach every corner of the area to be cooled. •...
  • Page 10 Installation Procedure Installation conditions for indoor units and wired remote controls • Make sure to install a dedicated R-32-capable wired remote control for each indoor unit. See the installation examples below for reference. Make sure to use R-32-capable wired remote controls. The product will not operate if an R-32-capable wired remote control is not located in the vicinity or if users try to control the product using a common wired remote control.
  • Page 11 Make sure to connect all indoor units to respective R-32-capable wired remote controls. At least one remote control must be installed for each indoor unit, even if multiple indoor units are installed in the same room. Grouped control is not possible. Outdoor unit Outdoor unit Indoor unit...

  • Page 12: Ceiling Installation

    Installation Procedure Ceiling installation Ceiling type (VUCD018S6-5P) 11.8 1 inch (300 mm) 1.97 inch (50 mm) Big Ceiling type (VUCD024/036/048S6-5P) Ceiling Wall 1.97 inch (50 mm) Ceiling 1.97 inch 11.8 1 inch (300 mm) (50 mm) Wall 11.8 1 inch (300 mm) or more 11.8 1 inch (300 mm) or more ※...
  • Page 13 Dimension of the indoor unit Ceiling type (VUCD018S6-5P) "A" Unit : inch (mm) "B" 1.77"(45) 1.97"(50) 7.87"(200) Pipe outlet-(bottom side) 1.97"(50) Air intake hole [Ø1.97"(50)] Wiring hole Conduit hole Drain hose outlet Big Ceiling type (VUCD024/036/048S6-5P) "A" Unit : inch (mm) "B"...

  • Page 14: Spacing Requirements

    Installation Procedure Spacing requirements Step 3 Installing the indoor unit It is recommended to install the Y-joint before installing the Ceiling installation indoor unit. Ceiling type (VUCD018S6-5P) Ceiling Ceiling Select pipe directions. Wall When the directions are selected, drill 3-1/8''-[3.94 inch 11.81 inch (300 mm) or more 1.97 inch (50 mm) 11.81 inch (300 mm) or more (100mm), for pipe and cables) and 1-3/4''-[1.54 inch...
  • Page 15 Insert bolt anchors. Use existing ceiling supports or CAUTION construct a suitable support as shown in figure. • Ensure that the ceiling is strong enough to support the weight of the indoor unit. Concrete • Before hanging the unit, test the strength of each attached suspension bolt.
  • Page 16 Installation Procedure When Hanging the set, firstly unscrew the screws from Screw the nuts to suspend the unit. the both of sides, and then disassemble the Case-sides, 10 Adjust level of the unit by using measurement plate for or else the case-side will be damaged by disassembling all 4 sides.

  • Page 17: Step 4 Purging Inert Gas From The Indoor Unit

    Step 4 Purging inert gas from the Step 5 Cutting and flaring the pipes indoor unit Make sure that you have the required tools available: pipe cutter, reamer, flaring tool, and pipe holder. The indoor unit comes with nitrogen gas (inert gas) charged at the factory.

  • Page 18: Step 6 Connecting The Assembly Pipes To The Refrigerant Pipes

    Installation Procedure Step 6 Connecting the assembly pipes NOTE to the refrigerant pipes • If the pipes must be shortened, see Step 5 Cutting and flaring the pipes on page 17. There are two refrigerant pipes of different diameters : •...

  • Page 19: Step 7 Performing The Gas Leak Test

    Step 7 Performing the gas leak test Step 8 Insulating the refrigerant pipes LEAK TEST WITH NITROGEN (before opening valves) Once you have checked that there are no leaks in the system, you can insulate the piping and hose. In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R-32, it’s responsable of installer To avoid condensation problems, place Acrylonitrile to pressurize the whole system with nitrogen (using a cylinder...

  • Page 20: Step 9 Installing The Drain Hose And Drain Pipe

    Installation Procedure • All refrigerant connection must be accessible, in order to <Geological condition> permit eithernit maintenance or removal. High humidity locations such as shorelines, hot springs, lake or riversides, and ridges (when part of the building is covered by earth Hanger and sand) Additional insulation...

  • Page 21: Bushing Bracket Installation

    • Lock flexible hose clamp of the drain hose according to the figure. • Wind and wrap flexible hose clamp and drain hose fully with thermal insulation sponge; fix both ends of external layer with ribbon for thermal insulation. • After being installed, drain hose must be insulated fully by heat insulating material.

  • Page 22: Step 10 Connecting The Power And Communication Cables

    Installation Procedure Step 10 Connecting the power and • To protect the product from water and possible shock, you should keep the power and the communication communication cables cables of the indoor and outdoor units in the iron pipe. • Connect the power cable to the auxiliary circuit breaker Power and communication cable connection (ELCB, MCCB, ELB).
  • Page 23 Selecting the crimping terminal lug Select the crimping terminal lug based on the norminal dimension of the power cable. Cover the connection part of the power cable and crimping terminal lug to insulate it. Silver solder Nominal dimensions for cable [Inch² (mm²)] 0.0023 (1.5) 0.0039 (2.5) 0.0062 (4)
  • Page 24 Installation Procedure Specifications of the terminal blocks Rating current Unit Model Rating current Unit: inch (mm) Ceiling type VUCD018S6-5P 0.43A Communication: M3.5 screw AC power: M4 screw VUCD024S6-5P 0.47A 0.433 (11) 0.295 (7.5) 0.354 (9.0) Big Ceiling type VUCD036S6-5P 0.94A VUCD048S6-5P 1.45A Decide the power cable specification and maximum...
  • Page 25 Example of Installation Total power cable length L = 328.08 ft (100 m), Initial pull-in current = 10[A], Running current of each units = 1[A], Total 10 indoor units were installed 9 [A] 10 [A] 1 [A] MCCB+ELB ELCB Indoor unit 1 Indoor unit 2 Indoor unit 10 10[m] (32.8 ft)

  • Page 26: Step 11 Optional: Installing An Interface Module

    Installation Procedure Step 11 Optional: Installing an interface module Interface module : VSTAT10P-1 External Control PCB Case Haness Wire(2P) Haness Wire (4P) Screw Fix the case at with bolts on the side of the control box in the indoor unit.(See the picture) Attach the Interface module PCB to the case in the control box of the indoor unit, then connect the power and the communication cable between the Interface module and...

  • Page 27: Step 12 Led Display Indicator Specifications When Checking Wi-Fi Easy Setup And Wi-Fi Status

    Step 12 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...

  • Page 28: Step 13 Setting The Indoor Unit Addresses And The Installation Options

    Installation Procedure Step 13 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 29 Take the steps presented in the following table: Steps Remote control display Set the SEG2 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...
  • Page 30 Installation Procedure Steps Remote control display Set the SEG6 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 31 Steps Remote control display Set the SEG11 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 32 Installation Procedure Steps Remote control display 13 Set the SEG16 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 33 Steps Remote control display 17 Set the SEG21 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 34 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 35: Setting An Indoor Unit Address (Main/Rmc)

    Setting an indoor unit address (MAIN/RMC) Check whether power is supplied or not. The panel(display) should be connected to an indoor unit to receive option. • 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.

  • Page 36: Setting An Indoor Unit Installation Option (Suitable For The Condition Of Each Installation Location)

    Installation Procedure Setting an indoor unit installation option (suitable for the condition of each installation location) Check whether power is supplied or not. The panel(display) should be connected to an indoor unit to receive option. • When the indoor unit is not plugged in, there should be additional power supply in the indoor unit.
  • Page 37 • The output of hot water heater in SEG9 is generated from the hot coil part of the terminal board in duct models. * The output of hot coil terminal is AC 220 V / 230 V (The same as Indoor Unit’s input Power) 1(L) 2(N) COM1 COM2...
  • Page 38 Installation Procedure Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Settings for load operation during heater control Use of hot water EEV Step when Dew removal operation in Explanation PAGE Use of drain pump Fan control during defrost mode / Heater control heater heating stops wind free mode...
  • Page 39 Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Setting the output of external Buzzer control / whether to use humidity sensor / control / External heater signal Explanation PAGE Use of external control S-Plasma ion whether to use APP UX DSP (Dual Set Point) / whether Hours of filter usage / Cooling operation signal / to use R-32 sensor...
  • Page 40 Installation Procedure Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Adjusted EEV step of Individual control of a Heating setting compensation / Removing stopped unit during Explanation PAGE Setting the MDS Kit installation option remote controller condensate water in heating mode oil return /defrost mode.
  • Page 41 * Advanced function: Controlling cooling/heating current or power saving with motion detect. (*1) When Cooling or dry mode is off. The indoor fan operate in setting minutes. (*2) Minimizing fan operation when thermostat is off - Fan operates for 20 seconds at an interval of 5 minutes in Heat mode. - Fan stops or operates Ultra low in Cooling when thermostat is off.
  • Page 42 Installation Procedure 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of Auto Change Over (When setting SEG3) (When setting SEG3) (When setting SEG3) for HR only in Auto mode Standard for mode Standard heating temp. Standard cooling / Use of Cooling only change Heating →...
  • Page 43 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 (When setting SEG3) Compensation option (When setting SEG3) Standard for mode for Long pipe or height Explanation PAGE Time required for MTFC (*3) change Cooling → difference between indoor mode change Heating units Indication Details Indication Details Indication Details...
  • Page 44 Installation Procedure Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Whether to use UV LED / whether to use BLE Onboarding / whether to Forcing FAN Operation for Heating Explanation PAGE allow fan speed control during auto mode and Cooling / MDS (motion detection sensor) control UX type Details Detail Whether...
  • Page 45 (*1) Height difference : The difference of the height between the corresponding indoor unit and the indoor unit installed at the lowest place. For example, When the indoor unit is installed 131.23ft(40m) higher than the indoor unit installed at the lowest place, select the option “1”.

  • Page 46: Changing A Particular Option

    Installation Procedure Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Type of the option Tens position of the Units position of Explanation PAGE MODE New value to change option number the option number Indication Details Indication Details Indication Details Indication...
  • Page 47 For controlling AC LAMP (On/Off) Ceiling : R-32 CHECK : CN802(YELLOW) AC LAMP AC POWER SUPPLY 208~240VAC (50/60Hz) Big Ceiling : R-32 CHECK : CN802(BLUE) ※ Use of the WIRE HARNESS included in the product manual → → VSTAT10P-1 To Main PBA For controlling EXTERNAL ALARM (On/Off) Ceiling : R-32 CHECK : CN802(YELLOW) EXTERNAL...

  • Page 48: Appendix

    Installation Procedure Troubleshooting Ceiling type (VUCD018S6-5P) • If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED. • If you re-operate the air conditioner, it operates normally at first, then detect an error again. Flickering X Off •...
  • Page 49 LED Display Abnormal condition Error code 1. COND mid sensor is detached E241 2. Refrigerant leakage (2nd detection) E554 3. Abnomally high temperature on Cond (2nd detection) E450 4. Low pressure s/w (2nd detection) E451 5. Abnomally high temperature on discharged air on outdoor unit E416 (2nd detection) 6.
  • Page 50 Installation Procedure Troubleshooting Big Ceiling type (VUCD024/036/048S6-5P) • If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED. • If you re-operate the air conditioner, it operates normally at first, then detect an error again. Flickering X Off •...

  • Page 51: Wired Remote Control

    Wired remote control • If an error occurs, is displayed on the wired remote control. • If you would like to see an error code, press the Test button. Display Explanation E108 Error due to repeated communication address E116 Indoor unit R-32 sensor short/open E121 Error on room temperature sensor of indoor unit (Short or Open) E122...
  • Page 52 Installation Procedure Troubleshooting Display Explanation E464 IPM Over Current(O.C) E465 Comp. Over load error E466 DC-Link voltage under/over error E467 Error due to abnormal rotation of the compressor or unconnected wire of compressor E468 Error on current sensor (Short or Open) E469 Error on DC-Link voltage sensor (Short or Open) E470...
  • Page 53 English...

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