LG ARND153DCR4 Скачать руководство пользователя страница 43 | Manualshive

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Due to our policy of continuous product innovation, some specifications may change without notification.

©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

6. Under the AC Smart/ACP

“ Control” tab, find and

select “Device Control”

7.

Find the “Installation” tab and select “AC Smart”. A
list of devices available for view will appear in the
middle of the screen.

8. Click on the device to be viewed. A new section will

appear on the right side of the screen. Click “View
Details”

9. A detailed picture of the unit will be displayed. Click

on “Information” to review information on the unit,
such as the model, address, mode, temperature, etc

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Содержание ARND153DCR4

Страница 1: ... be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly www lghvac com www lg com Copyright 2021 LG Electronics Inc All Rights Reserved ENGLISH LG SPLIT COMPACT DEDICATED OUTDOOR AIR SYSTEM DOAS MFL71810402 Rev 00 ...

Страница 2: ...r future reference Content familiarity required for proper installation The instructions included in this manual must be followed to prevent prod uct malfunction property damage injury or death to the user or other people Incorrect operation due to ignoring any instructions will cause harm or damage A summary of safety precautions begins on page 4 For more technical materials such as submittals en...

Страница 3: ...efrigerant Piping Installation 26 Refrigerant System Engineering and 26 Allowable Pipe Length 26 Sample Layouts 27 ELECTRICAL INFORMATION 28 Field Mounted Sensors 34 LEAK PRESSURE CHECK AND EVACUATION 36 Leak Pressure Check 36 Evacuation 37 CHARGING REFRIGERANT 39 CONTROLLER 40 Overview 40 Electrical Specifications 40 Connecting to the Web UI 40 Service Password 41 Startup Settings 41 IP Address 4...

Страница 4: ... service provider There is risk of fire electric shock explosion and physical injury or death Periodically check that the outdoor unit is not damaged There is risk of explosion physical injury or death Replace all control box and panel covers If cover panels are not installed securely dust water and animals may enter the unit causing fire electric shock and physical injury or death Always check fo...

Страница 5: ...ecial purposes such as preserving foods works of art wine coolers or other precision air conditioning applications There is risk of property damage Do not make refrigerant substitutions Use R410A only If a different refrigerant is used or air mixes with original refrigerant the unit will malfunction and become damaged Do not install the unit in a noise sensitive area When connecting refrigerant tu...

Страница 6: ... unit is connected to a dedicated power source that provides adequate power If the power source capacity is inadequate or the electric work is not performed properly it may result in fire electric shock physical injury or death Refer to local state and federal codes and use power wires of sufficient current capacity and rating Wires that are too small may generate heat and cause a fire and physica...

Страница 7: ...nd high voltage parts of the unit can cause physical injury or death Periodically check power cable and connection for damage Cable must be replaced by the manufacturer its service agent or similar qualified persons in order to avoid physical injury and or electric shock Securely attach the electrical cover to the unit Non secured electrical covers can result in burns or electric shock due to dust...

Страница 8: ...c Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp PRODUCT OVERVIEW Split Compact DOAS Interior Components 8 Main Coil Hot Gas Reheat Coil EC motor 3D Plug Fan Heat Recovery Unit Control Box Web UI BACnet IP Modbus RTU Bottom Access Panel Fan Motor Assembly Filters MERV8 Drain Gravity Drain Pump ...

Страница 9: ...ewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp CONTROLLER OVERVIEW 9 No Description 1 CAREL Controller 2 Main Module 3 4 5 6 7 HR Unit PCB 8 SMPS 9 Transformer 10 RS485 1 11 RS485 2 12 2 3 4 5 6 Top Panel Bottom Panel 1 7 10 11 8 12 9 UI Module NTC Module Main Coil EEV Module Reheat Coil EEV Module Relay ...

Страница 10: ...orp UNIT NOMENCLATURE FAMILY ARN Multi V Indoor Unit R410A Refrigerant TYPE D Dedicated Outdoor Air System DOAS AIR FLOW RATE CFM 15 1 500 CFM 20 2 000CFM ELECTRICAL RATINGS U 208 230V or 460V 60Hz 3Phase 3 208 230V 60Hz 1Phase CHASSIS DB Type B Rooftop DOAS DC Type C Compact DOAS ENERGY RECOVERY WHEEL E With Energy Recovery Wheel R Without Energy Recovery Wheel GENERTATION 4 Fourth ARN D 20 3 DC ...

Страница 11: ...l ODP is 0 WARNING Do not place the refrigerant cylinder in direct sunlight Refrigerant cylinder may explode causing severe injury or death Note Because R410A is a combination of R32 and R125 the required additional refrigerant must be charged in its liquid state If the refrigerant is charged in its gaseous state its composition changes and the system will not work properly Do not heat piping more...

Страница 12: ...mate Sound Power dB A 72 74 Net Unit Weight lbs 390 390 Shipping Weight lbs 430 430 Communication Cable1 No x AWG 4 x 18 4 x 18 Fan Supply Fan Quantity 1 1 Supply Fan Type 3D Plug 3D Plug Supply Fan Diameter in 15 7 15 7 Supply Fan Motor Output HP W 1 750 1 750 Supply Fan Motor Drive ECM Direct ECM Direct Piping2 Liquid Connection Size in OD 1 2 Brazed 1 2 Brazed High Pressure Vapor Connection Siz...

Страница 13: ... reserved LG is a registered trademark of LG Corp ELECTRICAL DATA Model Name Power Supply FLA MCA MOP Hz Volts Voltage Range Phase ARND203DCR4 60 208 230 187 253 1 15 ARND153DCR4 6 0 7 5 15 MCA Minimum Circuit Ampacity MOP Maximum Overcurrent Protection Largest motor FLA x 2 25 Sum of other motor FLA rounded down to the nearest standard fuse size 13 6 0 7 5 ...

Страница 14: ...r policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp DIMENSION 14 ...

Страница 15: ...us product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp REFRIGERANT FLOW DIAGRAM COOLING DEHUMIDIFICATION 15 ...

Страница 16: ...hout notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp REFRIGERANT FLOW DIAGRAM HEATING 16 Note Cutting line of insulation must look upper direction Thickness of insulation is 15mm Gas pipe and 19mm Liquid pipe or over ...

Страница 17: ...oduct innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp WIRING DIAGRAM 17 RD YL RD YL RD YL GN BK YL BK YL WH BL WH 1 ...

Страница 18: ...der 1 Check all fasteners set screws on the fan wheel bearings drive motor base and accessories for tightness 2 Rotate the fan wheel s by hand and assure no parts are rubbing Assemblies Blower One plenum type fans LG 3D Plug All units are equipped with a plenum fan for Supply Air Coils Evaporator coil and Reheat coil Filters Two 2 inch thick pleated paper MERV 8 standard or tow 2 inch thick pleate...

Страница 19: ...sing nuts washers and springs washers Figure 10 Ceiling Anchor Installation 5 Hang the chassis from the four field supplied threaded rod hangars Refer to the threaded rod hangar details in Figure 11 6 Use a level to ensure the chassis is level and securely tighten the mounting nuts 7 If local code requires an auxiliary drain pan under the unit install a field provided auxiliary drain pan 8 Connect...

Страница 20: ...connection Failure to seal duct connections can cause air leakage and system performance problems Note When an air duct which carries supply air or warm air passes through a combustible roof a clearance of one inch must be maintained between the outside perimeter of ductwork and any combustible materials per NFPA Standard 90A Figure 13 Duct Connection Dimensions Service Clearance Allow service cle...

Страница 21: ...Corp Piping Connection Figure 15 Pipe Connection Dimensions Table 15 Pipe Connection Dimension Chassis Code Refrigerant Pipe Brazed Liquid line H Pressure L Pressure DC Dia L2 L6 Dia L2 L6 Dia L2 L6 ARND203 1 2 11 4 11 7 8 14 2 11 17 5 11 ARND153 1 2 11 4 11 3 4 14 2 11 17 5 11 Condensate Pipe Pump Drain Gravity Drain Dia 1 Conn L1 L5 Dia 3 Conn L7 L8 1 ID Plain 9 1 9 9 1 OD NPT 13 6 0 8 1 1 8 1 1...

Страница 22: ...ration of refrigerant is twenty six 26 lbs per 1 000 cubic feet of an occupied space Buildings with twenty four 24 hour occupancy allow half of that concentration 1 ASHRAE Standards 15 and 34 assume that if a system develops a leak its entire refrigerant charge will dump into the area where the leak occurs To meet ASHRAE Standards 15 and 34 calculate the refrigerant concentration that may occur in...

Страница 23: ...heat with a wet rag or heat barrier spray Figure 15 Using Nitrogen Gas during Brazing Pipe Support Location A properly installed pipe system will have sufficient support so that pipes will not sag during the life of the system As necessary place supports closer for segments where potential sagging could occur Maximum spacing of pipe supports must meet local codes Figure 16 Pipe Support at Compact ...

Страница 24: ...rom the indoor unit Figure 19 Built in Drain Duct to Drain Piping System Unit Drain Information When the bottom surface of the unit is at an elevation below the receiving building drain line connection install an inverted trap at the top of the condensate pump discharge riser before connection to the building drain pipe When the receiving drain line is mounted horizontal connect the inverted trap ...

Страница 25: ... 41 to test for leaks Repair leaks if necessary Figure 21 Drain Piping Slope 4 Route the flexible drain pipe to the unit and connect the flexible drain pipe to the drain port of the indoor unit 5 Install field supplied polyethylene foam insulation 5 16 inch thick or greater on the flexible drain pipe and position snugly against indoor unit Figure 22 Do Not Shaply Bend Drain Pipe Figure 23 Testing ...

Страница 26: ...h cannot exceed the main pipe diameter A used by the outdoor unit Other Indoor units cannot be connected with DOAS units Header Branch is not allowed to install in DOAS Application Refrigerant System Engineering and Allowable Pipe Length Proper system operation depends on the installer using utmost care while assembling the piping system Note LG Electronics U S A Inc is not responsible for any pip...

Страница 27: ... 1 1 8 Ø 7 8 Ø 5 8 Ø No Increase No Increase 14 5 8 Ø 1 1 8 Ø 7 8 Ø 3 4 Ø No Increase No Increase 16 18 5 8 Ø 1 1 8 Ø 1 1 8 Ø 3 4 Ø No Increase No Increase 20 5 8 Ø 1 3 8 Ø 1 1 8 Ø 3 4 Ø No Increase No Increase 22 28 3 4 Ø 1 3 8 Ø 1 1 8 Ø 7 8 Ø No Increase No Increase 30 42 3 4 Ø 1 5 8 Ø 1 1 8 Ø 7 8 Ø No Increase No Increase Table 4 Refrigerant Pipe B Diameters between Y branches and Y branches DO...

Страница 28: ...ting the power wiring Properly ground all DOAS units Ground wiring must always be installed by a qualified technician Improperly ground wire can cause communication problems from electrical noise and motor current leakage If there is a possibility of reversed phase phase loss momentary blackout or the power goes on and off while the system is operating install a field supplied phase loss protectio...

Страница 29: ...roperly terminated and firmly attached there is risk of fire electric shock and physical injury or death Note Never apply line voltage power to the communications cable terminal block If contact is made the PCBs will be damaged Always include some allowance in the wiring length when terminating Firmly attach the wiring or cable but provide some slack to facilitate removing the electrical panels wh...

Страница 30: ...or water piping to lightning rods to telephone ground wiring or to the building plumbing system Failure to properly provide a National Electrical Code approved earth ground can result in property damage and equipment malfunction Communication Cable Specifications From Outdoor Unit to DOAS Units Communication cable from Main Outdoor Unit to DOAS Units is to be LG supplied or field supplied 18 AWG 4...

Страница 31: ...gent Inappropriate power connection can result in equipment damage and will void the LG limited liability warranty When connecting the communications bus between the outdoor unit and DOAS unit s it does not matter what physical path or route the wire takes The installer can use discretion when choosing the order the components are connected to the communications bus but must maintain the daisy cha...

Страница 32: ...ure 33 Communications Cable Between Outdoor unit and Slave Outdoor Unit Power Line 1Ph 60Hz 208 230V 3 wire Communication Line 18AWG 2 wire Communication Line 18AWG 2 wire Power Supply High Voltage 208 230V Communications Field provided communication cable between Main ODU to DOAS units to be 18 AWG 4 conductor twisted stranded shielded Ensure the communication cable shield is properly grounded to...

Страница 33: ...rating the system in reverse phase may break the compressor and other unit components WARNING Ground wiring is required to prevent accidental electrical shock during current leakage communication problems from electrical noise and motor current leakage physical injury or death Install a main shutoff switch that interrupts all power sources simultaneously There is risk of fire electric shock explos...

Страница 34: ...ugh a field supplied 20AWG 2 or 3 conductor twisted stranded Terminations must be made per the following chart Table 11 Space Temperature Sensor Terminations Space Temperature Sensor Type 1 NTC 10k Terminal Strip TB NTC Module RI1 G Type 2 0 10Vdc Terminal Strip TB UI Module UI5 G Sensor setting LG recommend Space Temperature Sensor NTC MAMAC ST 203 EX120 Space Humidity Sensor 0 10Vdc MAMAC HU2253...

Страница 35: ...controls sequence based on CO2 value The sensor must be mounted in the space at a height of approximately five 5 feet from the floor Wiring between the Unit and the space CO2 sensor must be through a field supplied three conductor 20 AWG and stranded communication cable Terminations must be made per the following chart Sensor setting LG recommend CO2 Sensor 0 10Vdc Honeywell C7232A1008 Table 13 Sp...

Страница 36: ... to the Schrader ports on the hot gas line high pressure vapor liquid line and suction low pressure vapor service ports Note For multi frame outdoor units connect the gauge manifold to the Schrader ports on only one outdoor unit preferably the slave outdoor unit that is farthest away from the refrigerant piping system and connected indoor units heat recovery units 4 Perform the leak pressure check...

Страница 37: ...veral hours of continuous operation have extra oil on hand Use a quality micron gauge in good operating order and install as far away from pump as possible Evacuation Procedure Steps 1 If this procedure is performed shortly after the leak pressure test the caps and cores on the Schrader ports must have already been removed and the manifold must already be connected If the procedure was not perform...

Страница 38: ...level DOES rise above 1 000 micron re open the manifold gauges and the vacuum pump valve and continue evacuation back down to 1 000 micron level If the micron level holds at 1 000 micron continue to step 7 7 Break vacuum with 50 psig nitrogen purge for an appropriate amount of time 8 Purge nitrogen from the system until the pressure drops down to 1 to 3 psig 9 Evacuate to static micron level 500 1...

Страница 39: ...le legislation To avoid compressor breakdown Refrigerant Charge Worksheet The calculation of the additional charge should take into account the length of pipe and CF Correction Factor value of DOAS unit System Tag or ID Job Name _____________________________________________ Project Manager ________________________________________ Date ______________ Line Description Chassis I D Quantity Total lbs ...

Страница 40: ...Web UI software The controller also provides user feedback through an optional handheld keypad display hardwired or can be connected to a building management system interface Electrical Specifications The DOAS controller receives 24 VAC CAREL and 12VDC LG power from a transformer on the main control panel and is energized when the main disconnect is on Connecting to the Web UI To use the Web UI an...

Страница 41: ...n Settings Date Time Timezone screen Altitude Go to the Main Ctrl Variables Advanced Unit Setting screen IP Address Go to the Main Settings Network Settings screen BMS AC Smart Communication Go to the Main Ctrl Variables Advanced Network Settings screen to set up network communication To communicate with ACP AC Smart Modbus Slave Address must be set and ACP AC Smart should be set to MODBUS protoco...

Страница 42: ... Connections 1 On the CAREL controller under SVC Configuration Network Setting set the Modbus Slave Address Table 14 Address Setting CAREL Demical AC SMART 5 Hexademical 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 A 11 B 12 C 13 D 14 E 15 F AC SMART ACP Controller Setup 1 Under the AC Smart ACP Settings tab find and click on Installing 2 AC Smart Press on the AC Smart 00 tab and change the CH1 sett...

Страница 43: ...Control tab find and select Device Control 7 Find the Installation tab and select AC Smart A list of devices available for view will appear in the middle of the screen 8 Click on the device to be viewed A new section will appear on the right side of the screen Click View Details 9 A detailed picture of the unit will be displayed Click on Information to review information on the unit such as the mo...

Страница 44: ...innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure38 BMS Configuration BACnet IP Figure38 BMS Configuration Modbus 44 ...

Страница 45: ...ontrol boards and indicate DI Digital Inputs DC Normal Close DO Normal Open DO Digital Outputs DC Normal Close DO Normal Open AI Analog Inputs AO Analog Outputs UI Universal Inputs UO Universal Outputs RI Resistance Input CAREL Control Board Terminal Connections See image below for general board layout See the tables on the following pages for standard terminal connection points See the wiring sch...

Страница 46: ...ield Option 0 10Vdc 130 210F UI4 Supply Air Relative Humidity Field Option 0 10Vdc 0 100 UI5 Differential Pressure Sensor For SA flow rate monitoring CFM Modulation 0 10Vdc 0 30 wc UI6 Unassigned UI7 Unassigned UI8 Space CO2 Sensor Field Option 0 10Vdc 0 3000ppm 4 DI1 Forced Stop NC Open Unit Stop DI2 Unit On Off NO Closed Unit On DI3 Float Switch NC Open Unit Stop 5 AO1 Unassigned AO2 Unassigned ...

Страница 47: ...3 Unassigned UI4 Unassigned UI5 Space Return Duct Temperature Field Option 0 10Vdc 130 210F UI6 Space Return Duct Relative Humidity Field Option 0 10Vdc 130 210F Figure42 NTC Module Drawing Reference Label Unit Connection8 Sensor Type Position Indicates Range 2 CH1 CH1 port of Other module for communication RS485 3 RI1 Space Return Duct Temperature Field Option NTC 10k 130 210F RI2 Unassigned NTC ...

Страница 48: ...Outdoor Unit RS485 3 RI1 Main Coil 1 Refrigerant temperature Pipe In NTC 5k 130 210F RI2 Main Coil 1 Refrigerant temperature Pipe out NTC 5k 130 210F 4 EEV1 Unassigned EEV2 Main Coil 1 EEV Step Control 0 1350 2 Reheat Coil Drawing Reference Label Unit Connection Type Position Indicates Range 2 CH1 CH1 port of Other module for communication RS485 CH2 IDU_Bus_A B RS485 3 RI1 Reheat Coil Refrigerant ...

Страница 49: ...arm button flashes when there is an active alarm Press to view active alarms Press twice to go to the alarms reset screen Escape Access from the Main Menu to view the Unit Status screen Press to navigate one menu level back Press when editing a variable to cancel editing Up Navigates through the menus screens Press after entering a variable to increase a current value Enter Press to enter a highli...

Страница 50: ...nding on options and sensors installed Upper Left Quadrant Displays the current value of the primary control variable For example this could be supply air temperature room air temperature return air temperature or coil leaving temperature Upper Right Quadrant Displays all temperature and humidity values that pertain to the air handler Lower Left Quadrant Displays the set point that corresponds to ...

Страница 51: ...ics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Main Menu Navigation The Menu Map shows screen order when using either the Handheld Keypad or the Virtual Keypad Display on the web interface See the Navigation section for instructions about moving through menu screens 51 ...

Страница 52: ...and current values Note When uploading wrong type of file Error could be occurred and software will stay at previous version Update Process 1 Prepare USB Create a new folder UPGRADE in USB Driver and copy the file to UPGRADE folder 2 Connect the USB 3 Go to system menu with 2 button click 3 5 sec 4 Go to UPGRADE menu Press Enter 5 Check the software file which will be uploaded Press Enter 6 Press ...

Страница 53: ...ve been installed and are correctly adjusted or open Grilles and registers are properly sized and installed Refrigerant Piping N A Not Complete Complete A dry nitrogen purge rate of three 3 psig was maintained during all brazing activity Refrigerant pipe is properly supported to keep lateral pressure off unit connections Refrigerant shutoff valves are full port design with integral Schrader port r...

Страница 54: ... chaffing at control box and conduit pipe penetrations Optional Smoke detector is properly installed and wired New batteries are installed if applicable Low voltage control cables are properly secured to the control panel case Terminal block screws are tight and the cable is protected from sharp edges at control box case and conduit openings Cables are installed at recommended distances from high ...

Страница 55: ...o call for assistance Freight Damage and Unit Replacements Your LG Manufacturer Representative Missing Parts Your LG Manufacturer Representative Freight Damage and Unit Replacements Your LG Manufacturer Representative Wrong Unit Model Your LG Manufacturer Representative Installation Startup and Commissioning Technical Assistance Your LG Manufacturer Representative For warranty information visit ww...

Страница 56: ... of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp IM_CompactDOASunit_03_17 56 ...

Страница 57: ...US Please call the installing contractor of your product as warranty service will be provided by them ...

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