Samsung LENNOX VUCC S4-4P Series Installation Manual
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Samsung LENNOX VUCC S4-4P Series Installation Manual

Samsung LENNOX VUCC S4-4P Series Installation Manual

Vrf (variable refrigerant flow)
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VRF (Variable Refrigerant Flow)
Installation manual
VUCC***S4-4P
• 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 VUCC S4-4P Series

  • Page 1 VRF (Variable Refrigerant Flow) Installation manual VUCC***S4-4P • 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) suitable to be installed in areas used for laundry. • Do not use the units if damaged. If problems occur, switch the unit off and disconnect it from the power WARNING supply. • Cancer and Reproductive Harm - www.P65Warnings.

  • Page 4: Power Supply Line, Fuse Or Circuit Breaker

    Safety Information report the damage to the carrier or retailer (if the provided in the wiring scheme. Always verify that all installer or the authorized technician has collected the connections comply with the standards applicable to material from the retailer.) the installation of products.

  • Page 5: 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 (VUCC018S4-4P) Install manual Insulation Pattern sheet User's manual Rubber A Rubber B Installation manual...

  • Page 6: Ceiling Installation

    Installation Procedure Ceiling installation Ceiling type (VUCC018S4-4P) 11.8 1 inch (300 mm) 1.97 inch (50 mm) Big Ceiling type (VUCC024S4-4P) 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 Floor installation Ceiling type (VUCC018S4-4P)
  • Page 7 Dimension of the indoor unit Ceiling type (VUCC018S4-4P) "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 (VUCC024S4-4P) "A" Unit : inch (mm) "B"...

  • Page 8: Spacing Requirements

    Installation Procedure Spacing requirements Drill holes for anchor bolts according to the distance and mount them. It is recommended to install the Y-joint before installing the indoor unit. NOTE • Use the pattern sheet. Ceiling Ceiling Install the unit onto the ceiling. Be sure to arrange the Wall drain hose so that it is leveled lower than the drain hose connecting port of the indoor unit.
  • Page 9 Ceiling installation Screw eight nuts to the suspension bolts making space for hanging the indoor unit. Big Ceiling type (VUCC024S4-4P) NOTE • You must install all the suspension rods. Select pipe directions. When the directions are selected, drill 3-1/8''-[3.94 inch When Hanging the set, firstly unscrew the screws from (100mm), for pipe and cables] and 1-3/4''-[1.54 inch the both of sides, and then disassemble the Case-sides,...
  • Page 10 Installation Procedure NOTE NOTE • For proper drainage of condensate, give a 1° or less • Use the pattern sheet to select pipe directions. slant to the side of the unit which will be connected Install the hanging plate according to the distance and with the drain hose as shown in the figure.

  • Page 11: Step 4 Purging Inert Gas From The Indoor Unit

    Step 4 Purging inert gas from the Pipe cutter indoor unit The indoor unit comes with nitrogen gas (inert gas) charged at the factory. Therefore, all inert gas must be purged before connecting the assembly piping. Unscrew the pinch pipe at the end of each refrigerant pipe. Pipe Oblique Rough...

  • Page 12: 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 11. There are two refrigerant pipes of different diameters : •...

  • Page 13: 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-410A, it’s responsable of To avoid condensation problems, place Acrylonitrile installer to pressurize the whole system with nitrogen (using...

  • Page 14: Step 9 Installing The Drain Hose And Drain Pipe

    Installation Procedure Select the insulation of the refrigerant pipe. CAUTION • Insulate the gas side and liquid side pipe referring • Install the insulation not to get wider and use the to the thickness according to the pipe size. adhesives on the connection part of it to prevent •...
  • Page 15 Insulate and fix the drain hose according to the figure. • Insert the drain hose to bottom of the outfall of water basin. • 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;...

  • Page 16: Step 10 Connecting The Power And Communication Cables

    Installation Procedure Step 10 Connecting the power and communication cables 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. • ELCB : Earth Leakage Circuit Breaker •...
  • Page 17 Specification of electronic wire The capacity of ELCB(or MCCB+ELB) X[A] = 1.25 X 1.1 X ∑A – X : The capacity of ELCB(or MCCB+ELB). Power ELB or Power Earth Communication MCCB supply ELCB cable cable cable – ∑A : Sum of Rating currents of each indoor unit. –...
  • Page 18 Installation Procedure Calculation • Installing with 1 sort wire. ············ 0.0039inch [2.5mm ] ············ 0.0039inch [2.5mm 0.0039inch [2.5mm -2.2[V] -2.0[V] 220[V] 208.8[V](Within 187V~253V) -(2.2+2.0+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-11.2[V] it's okay • Installing with 2 different sort wire. [4.0mm [4.0mm 0.0062inch 0.0062inch ············ [2.5mm ] ············ 0.0039inch -1.4[V] -1.2[V]...

  • Page 19: Step 11 Optional: Installing An Interface Module

    Step 11 Optional: Installing an Step 12 Setting the indoor unit interface module addresses and the installation options You cannot set both indoor unit addresses and the installation Interface module : VSTAT10P-1 options in a batch: set both respectively. Common steps for setting the addresses and External Control PCB Case options...
  • Page 20 Installation Procedure Make sure that you are entered to the mode for setting options. 2 Digit 10 point (2SEG per point) ex) now SEG2 and SEG3 Set the option values. CAUTION • The total number of available options are 24 : SEG1 to SEG24 •...
  • Page 21 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...
  • Page 22 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 23 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 24 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 25 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 26 Installation Procedure 3 Check whether the option values you have set are correct 5 Check whether the mini split operates following the option by pressing the button repeatedly. values you have set: a Reset the indoor or outdoor unit. [SEG2, SEG3] [SEG4, SEG5] [SEG6, SEG8] [SEG9, SEG10]...
  • Page 27 Setting an indoor unit address (MAIN/RMC) Option No. : 0AXXXX-1XXXXX-2XXXXX-3XXXXX Check whether power is supplied or not. – When the indoor unit is not plugged in, there Indoor Unit should be additional power supply in the indoor unit. The panel(display) should be connected to1 an indoor unit to receive option. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.
  • Page 28 Installation Procedure Setting an indoor unit installation option (suitable for the condition of each installation location) Option No. : 0AXXXX-1XXXXX-2XXXXX-3XXXXX Check whether power is supplied or not. – When the indoor unit is not plugged in, there Indoor Unit should be additional power supply in the indoor unit.
  • Page 29 • 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 30 Installation Procedure Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Use of external Setting the output of external control / Hours of filter Explanation PAGE S-Plasma ion Buzzer control control External heater On/Off signal usage Details Setting the External Indication Details Indication Details Indication Indication Details Indication Details Indication Details...
  • Page 31 * Advanced function: Controlling cooling/heating current or power saving with motion detect. (*1) Minimizing fan operation when thermostat is off - Fan operates for 20 seconds at an interval of 5 minutes in heat mode. (*2) 1: Fan is turned on continually when the hot water heater is turned on, 3: Fan is turned off when the hot water heater is turned on with cooling only indoor unit (*3) 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 32 Installation Procedure 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 (When setting SEG3) (When setting SEG3) (When setting SEG3) Use of Auto Change Standard heating Standard cooling Standard for mode Over for HR only in temp. temp. change Auto mode Offset Heating →...
  • Page 33 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 (When setting SEG3) (When setting SEG3) Compensation option for Long Standard for mode Explanation PAGE Time required for pipe or height diffference → changing Cooling between indoor units mode change Heating mode Indication Details Indication Details Indication Details Indication...
  • Page 34 Installation Procedure (*1) Height difference : The difference of the height between the corresponding indoor uint and the indoor unit installed at the lowest place. For example, When the indoor unit is installed 131.2ft (40m) higher than the indoor unit installed at the lowest place, select the option "1".
  • Page 35 Additional information on SEG 3, 4, 5, 6, 8, 9 When the SEG 3 is set as "1" and follow Auto Change Over for HR only operation, it will operate as follows. Standard temp. for Temp. Heating → Cooling Standard temp. for Cooling Set temp.

  • Page 36: 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 The tens’ digit of an The unit digit of an The option mode Explanation PAGE MODE option SEG you will option SEG you will Changed value you want to change...

  • Page 37: Wiring Diagram

    Wiring diagram Ceiling type (VUCC018S4-4P) OPTION DVM MODEL ONLY Big Ceiling type (VUCC024S4-4P) DVM ONLY MODEL OPTION DISPLAY BLDC LOUVER Humidity Sensor MAIN PBA BLDC DRIVER PBA EARTH F701 F700 MID Chassis (WHT) AC250V T5A AC250V T5A F702 F701 LRG Chassis (BLK) AC250V T10A AC250V T8A...

  • Page 38: Appendix

    Installation Procedure Troubleshooting Ceiling type (VUCC018S4-4P) • 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 product, it operates normally at first, then detect an error again. LED Display on the receiver &...
  • Page 39 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 40 Troubleshooting Big Ceiling type (VUCC024S4-4P) • 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 product, it operates normally at first, then detect an error again. LED Display on the indoor unit Indicators Abnormal conditions...
  • Page 41 Programmable wired controller • If an error occurs, is displayed on the programmable wired controller. • If you would like to see an error code, press the Test button. Display Explanation E108 Error due to repeated communication address E121 Error on room temperature sensor of indoor unit (Short or Open) E122 Error on EVA IN sensor of indoor unit (Short or Open) E123...
  • Page 42 Troubleshooting Display Explanation 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 Outdoor unit EEPROM Read/Write error (Option) E471...
  • Page 43 English...

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