LG ARND20BDAR2 Installation And Operation Manual Download Page 35 | 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 Life’s Good” is a registered trademark of LG Corp.

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Start-Up

START-UP

Web System Interface

Figure 39: Web User Interface Platform Page

Web User Interface Platform Page

The Web User Interface Platform page allows you to alter the hardware platform.

• Displays LAN port settings for both primary and secondary ethernet adapters. Users can change the IP address information for both

ethernet adapters. Interface 1 corresponds to the settings of the primary ethernet adapter and Interface 2 corresponds to the

secondary adapter settings.

• From this page, users can set the system date and time to the unit’s geographical time zone.
• Click the Save button to save any changes made.

Changing the adapter settings will cause the JENEsys controller to reboot.

Figure 40: IP Address Settings

Platform Page

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Summary of Contents for ARND20BDAR2

Page 1: ...DEDICATED OUTDOOR AIR SYSTEM DOAS INSTALLATION AND OPERATION MANUAL Variable Refrigerant Flow DOAS Units ARND20BDAT2 ARND20BDAR2 no preheat ...

Page 2: ...due to ignoring any instructions will cause harm or damage The level of seriousness is classified by the symbols described below A list of safety precautions begins on page 4 TABLE OF SYMBOLS This symbol indicates a potentially hazardous situation which if not avoided may result in death serious injury property damage or equipment damage This symbol indicates additional helpful information such as...

Page 3: ...ation Selection 8 General Installation Instructions 11 Piping 12 Electrical 15 Low Voltage Communications 16 Duct Connections 17 Wiring Diagrams 18 Start Up 22 DOAS Start Up Checklist 50 Operation 51 Maintenance 52 Maintenance Log 53 Who To Call For Assistance 55 ...

Page 4: ...oxic gases when burned Do not store or use flammable products near the unit There is risk of product failure fire and physical injury and or death Replace all control box and panel covers after completing work Failure to do so may result in dust or water infiltration causing fire electric shock physical injury and or death Always wear safety glasses and work gloves when installing the product A ra...

Page 5: ...lure to carefully read and follow all instructions in this manual can result in equipment malfunction property damage personal injury and or death This equipment uses high voltage electricity Only a qualified experienced electrician should wire this system Never assume that the electrical power has been disconnected Verify with a meter Failure to follow all guidelines properly respect electricity ...

Page 6: ...in Coil Liquid Line in OD 1 2 1 2 Vapor Line in OD 1 1 8 1 1 8 Piping Reheat Coil Liquid Line in OD 1 2 1 2 Vapor Line in OD 1 1 8 1 1 8 Condensate Condensate Line in OD 1 NPT 1 NPT Actual discharge air temperatures may vary from discharge air temperature set point due to changes in outdoor air processing loads EEV Electronic Expansion Valve ECM Electronically Commutated Motor Power wiring is fiel...

Page 7: ...410A refrigerant the maximum allowable concentration 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 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...

Page 8: ...eld piping and other obstructions Refer to Table 2 and Figure 1 Condensate drain connections are located on the access side of the unit Follow local building codes for additional service clearance requirements Suspended Unit Mounting Details DOAS units are equipped for suspended installations The unit should be lifted into position by supporting the unit with skid used for shipping Carefully insta...

Page 9: ...on Installation Mounting Details DOAS unit can be installed using either platform suspension Figure 2 or parallel beam suspension Figure 3 as shown below Air Flow Avoid Interference with Condensate Drain Field Provided Isolation as Required Field Provided Suspension Rods as required Avoid Interference with Access Doors Secure to Field Provided Beams Air Flow Avoid Interference with Condensate Drai...

Page 10: ...rientation and Control Component Location Figure 4 Unit Orientation Filter coil and wiring access doors are on the right side as designated by the unit orientation and fan access door is on the left side The back will always be the same side as the filter and outdoor air opening The front will always be the side opposite the filter and outdoor air opening DOAS TOP VIEW Connections and Service Acce...

Page 11: ...anufacturer may void the product warranty Failure to observe the following instructions will result in premature failure of the DOAS and possibly void your warranty Upon receipt check the shipment for items that ship loose such as filters and remote sensors Review order and shipment documentation to identify potentially loose shipped items These items may have been placed inside the unit cabinet f...

Page 12: ...area This can cause an un trapped drain to back up due to the air being pulled up through the condensate drain piping The value of pressure in the drain pipe should be at least equal to the absolute value of the negative static pressure in the drain pan plus one inch Follow the procedure below to calculate the static pressure Calculating Static Pressure 1 Add the pressure drops of all components u...

Page 13: ...igerant charge based on coil refrigerant volumes The refrigerant reheat coil is to be connected to a separate outdoor unit than the main coil outdoor unit Ensure not to cross circuits in the reheat systems 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 cou...

Page 14: ...ly Use field provided half 1 2 of an inch thick or better closed cell insulation The thickness may need to be increased based on ambient conditions and local codes All refrigerant and condensate piping including field provided isolation ball valves and flexible pipe connection kits provided by LG should be wrapped All insulation joints should be glued with no air gaps between insulation segments a...

Page 15: ...or prevent a panel from being removed Three phase voltage imbalance will cause motor overheating and premature failure The maximum allowable imbalance is 2 0 Voltage imbal ance is defined as 100 times the maximum deviation from the average voltage divided by the average voltage 2 Drill a pilot opening all the way through the foam panel 3 Using a hole saw cut the opening through the metal on both s...

Page 16: ... terminals will cause a communications error and the system will not run see Figure 10 The minimum distance required between power wires and the communications cable is voltage amperage dependent and in cases where either are relatively high the minimum distance may be more than two 2 inches Refer to the respective LG Multi V Outdoor Unit Engineering Manual on www lg vrf com for detailed informati...

Page 17: ...duct to flanges provided on the unit The installer is responsible for sealing ducts to the flanges to prevent water leaks Ductwork should be sized in accordance with the ASHRAE Handbook Ductwork should be installed in accordance with NFPA Standard 90A When attaching duct to the unit use a flexible compressible material rated for duct connections A three inch flexible connector for both outdoor air...

Page 18: ... may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp 18 Dedicated Outdoor Air System DOAS Installation and Operation Manual WIRING DIAGRAM DOAS Model ARND20BDAT2 with Preheat ...

Page 19: ...ntinuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp 19 Electrical WIRING DIAGRAM ...

Page 20: ...may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp 20 Dedicated Outdoor Air System DOAS Installation and Operation Manual DOAS Model ARND20BDAR2 without Preheat WIRING DIAGRAM ...

Page 21: ...ntinuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp 21 Electrical WIRING DIAGRAM ...

Page 22: ...e checked for correct filter placement during start up Operation of the equipment without filters will result in a clogged evaporator coil Before completing start up and leaving the unit a complete operating cycle should be observed to verify that all components are functioning properly Supply Fans The DOAS is equipped with direct drive backward curved plenum supply fan assembly Fan Air Flow Adjus...

Page 23: ...3 8 liquid line 0 041 3 Linear feet of 1 2 liquid line 0 079 4 Linear feet of 5 8 liquid line 0 116 5 Linear feet of 3 4 liquid line 0 179 6 Linear feet of 7 8 liquid line 0 238 7 Linear feet of 1 liquid line 0 323 8 Total Trim additional charge Reheat Coil Volume 1 2 9 1 Linear feet of 1 4 liquid line 0 015 2 Linear feet of 3 8 liquid line 0 041 3 Linear feet of 1 2 liquid line 0 079 4 Linear fee...

Page 24: ...tch settings as needed for the application DIP switch settings for top row should be in default setting SWC3_SW DIP switch 5 OFF all others ON Bottom 2 rows of DIP switches should be in OFF position Figure 12 DOAS Unit DIP Switch Settings When connecting main coil to Multi V IV outdoor unit the target pressure must be adjusted using master unit PCB DIP switch no 5 Outdoor Air Supply Air Jenesys AH...

Page 25: ... Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp 25 Start Up START UP Connecting an LG Controller Figure 14 Connecting PREMTB10U Connecting PREMTB10U Connect the control cable of a PREMTB10U to the green CN REMO connector of each COMM board The PREMTB10U is for error code display only PREMTB10U PREMTB10U ...

Page 26: ...gnal for more than 3 minutes from wired remote controller to the communication kit CH 05 Communication Error Between Communication Kit and Outdoor Unit No communication signal for 5 minutes continuously from communication kit to outdoor unit CH 06 Pipe Out Temperature Sensor Error Temperature sensor disconnection or short circuit on pipe outlet of DOAS unit CH 09 Option PCB EEPROM Error No signal ...

Page 27: ... 5 cable connection to AHU controller for connection to computer Figure 15 Connecting a JENEsys AHU Controller Connecting a JENEsys AHU Controller The JENEsys AHU controller is a pre programmed controller that determines which mode the AHU should operate based on outdoor air temperature and outdoor air humidity sensors The outdoor air temperature outdoor air humidity and discharge air sensors are ...

Page 28: ...address For controllers addressed at IP 192 168 1 101 the computer should have an IP address to some other value on the same 192 168 1 XXX network This can be any number from 192 168 1 1 to 192 168 1 255 excluding 192 168 1 101 If the JENEsys controller is connected to a wireless router then the computer can connect to the controller by connecting to the wireless router Most routers will use DHCP ...

Page 29: ...4 address of the PC you are working on 5 Enter an appropriate IPv4 address to connect the JENEsys controller Figure 19 Local Area Connection Properties 6 Enter 255 255 255 0 in the Subnet Mask field Note the current settings so you can return the network adapter to its previous address after the JENEsys controller is connected 7 Leave the remaining fields blank if you are connecting directly to th...

Page 30: ... to the controller address For factory default controllers the IP address is 192 168 1 101 We recommend using Google Chrome or Mozilla Firefox to access the web interface 3 If the connection to the controller is functioning properly the login page opens 4 Enter your Username and Password and click the Login button Username administrator Password lg Figure 21 Accessing the Web User Interface The fi...

Page 31: ...home page you can override input and output values to manually control the equipment The main menu is always displayed in the top right corner of the Web User Interface Home page The main menu provides links to the following pages and or functions Platform Change IP addresses time date and other pertinent system information Setpoints View and adjust setpoints IOs View and troubleshoot I O modules ...

Page 32: ...upied 3 Click the scheduled time block to edit the start time finish time or event output Figure 28 Stand Alone Schedule Editor Figure 29 Scheduled Time Block Figure 30 Scheduled Time Block Copying a Weekly Schedule The Weekly Editor makes it easy to copy a schedule from one day to the rest of the week It allows you to copy one day and paste it to each individual day it matches or copy an individu...

Page 33: ...he Add button at the bottom of the editor The Add Dialog window opens Figure 33 Add Dialog Window 3 Enter a Name for the holiday or special event 4 Select an event Type from the drop down menu Some holidays occur on the same date each year and can be added using the Date type Some events occur on specific weekdays during a specific month and can be added using the Week and Day type 5 Once the holi...

Page 34: ...e value can be overridden for a particular duration The default duration is permanent 3 Once a value is entered the color changes to pink to indicate that an override is present and it is not being controlled by the JENEsys controller Figure 34 Override Menu Figure 35 Override Duration Figure 36 Overridden Value Overriding Binary Values On the Web Interface Home page the inputs have a gray backgro...

Page 35: ...llows you to alter the hardware platform Displays LAN port settings for both primary and secondary ethernet adapters Users can change the IP address information for both ethernet adapters Interface 1 corresponds to the settings of the primary ethernet adapter and Interface 2 corresponds to the secondary adapter settings From this page users can set the system date and time to the unit s geographic...

Page 36: ...any changes made to this page save button is in the top right corner Viewing and Changing Setpoints There are a number of different setpoints Setpoints can be numeric values temperatures or percentage binary values enabled disabled or time values consisting of a certain time period Numeric and Binary Setpoints Numeric and binary setpoints are displayed as a box with a green background and black te...

Page 37: ...Start Up START UP Web System Interface Setpoints Page Timing Setpoints The timing setpoints are different from the binary and numeric setpoints because they do not use the set action to change their values Follow the instructions below to change a timing setpoint 1 Click the value you want to change 2 Enter an appropriate setpoint value 3 Click the Save button top right corner of Setpoints page Fi...

Page 38: ...t s alarms Displays alarm status and time and date of the alarms Acknowledge alarms and view detailed alarm information including where the alarm was generated and what steps can be taken to check the alarm If an alarm is old but has not yet been acknowledged the bell icon will be green If an alarm is current and has not been acknowledged the bell icon will be red If an alarm is current and has be...

Page 39: ...ic alarm source Figure 48 Open Alarm Sources Window 2 Double click an individual alarm The Alarm Record window opens Figure 49 Alarm Record Window The Alarm Record displays all details associated with an alarm including the time the alarm occurred the time an alarm was acknowledged the total number of alarms and instructions for the alarm The alarm instructions provide a brief description of what ...

Page 40: ...stem Interface Figure 51 Web User Interface IOs Page Web User Interface IOs Page Overview The Web User Interface IOs page has a tabbed window that displays all inputs and outputs for each possible IO module Displays Not Used for modules that are not in use Each value comes directly from the input or output on the associated IO module Indicates if any of the inputs or outputs are in a fault positio...

Page 41: ...address and connection speeds can be modified as needed to connect with the building management system The network page is configured to use whichever network was selected when the unit was ordered For information on changing the default network protocol for the unit contact LG Technical Support Each network has a slightly different set of properties so it is important to ensure users match the ne...

Page 42: ...to transfer BAC net network data MSTP or IP The MSTP protocol uses the RS 485 port on the front of the controller and an MSTP address The IP protocol uses the ethernet port and the IP address Figure 54 BACnet Network BACnet MSTP Addressing The MSTP set up for the BACnet network will require setting the MSTP network number MSTP address and the appropriate baud rate Follow the instructions below to ...

Page 43: ...d 4 Right click on the Ip Port field highlight Actions and then select Enable This will enable the IP port for the BACnet network Either the MSTP Port or the IP Port can be enabled on the BACnet network but they cannot both be enabled at the same time Figure 56 IP Port Properties 5 Enter the proper Network Number for the BACnet network in the Network Number field The network number is determined b...

Page 44: ...devices on the network In addition the Location and Description can also help identify BACnet devices 1 Enter the Object ID 2 Enter a Location 3 Enter a Description 4 Click the Save button Figure 57 BACnet Local Device Properties Modbus The Modbus network needs to be enabled and the device address must be set up These are the only requirements to initialize the Modbus network on the JENEsys contro...

Page 45: ...the definition of the Lon driver properties for the JENEsys controller 3 Double click the local Lon device to display a quick view of some of the most important properties for the JENEsys controller and a Lon device START UP Web System Interface Network Page Figure 59 Lon Device Properties 4 The Channel ID Subnet and Node need to be changed to the appropriate value desired by the network superviso...

Page 46: ...rties Figure 61 Lon Device Properties Comm Config and Lon Netmgmt 11 Expand the Local Lon Device property group The Local Lon Device properties contains additional details about Lon device properties 12 Expand the Device Data properties group The Device Data group properties contain the Neuron Id Program Id and Node State The Neuron Id and Program Id are populated by the Lon card in the controller...

Page 47: ... are firmly connected to one another 4 Make sure the controller and I O modules are fastened to the back of the control panel with screws 5 Check that all wires coming into the I O ports of the I O modules are fully inserted and securely fastened While all items are checked by the factory prior to shipment it is important that you review these items once you receive the unit in the field Some comp...

Page 48: ...ows you to see the values being read and written to the inputs and outputs of the I O modules The raw inputs have been scaled to the proper value and unit so they are easy to read and understand Each input and output is also labeled with the corresponding port on the I O module so they can be easily found on the hardware The inputs are in the left column and the outputs are in the right column 2 C...

Page 49: ...w switch and make sure there are no kinks In the sensor pressure tubing The high pressure side should be tubed into the supply fan leaving compartment and the low pressure side should be tubed into the supply fan entering compartment Figure 68 Supply Fan Status Figure 69 Supply Fan Override The dial on the air flow sensor may need to be adjusted to properly monitor the air flow 6 Once the speed ha...

Page 50: ...are airtight Insulation is not compressed Double layer insulation is provided at pipe supports and wall penetrations Electrical N A Complete Not Complete Power provided in three phase 10 of DOAS unit nameplate specifications Power wires properly sized and protected per NEC and local codes DOAS unit is properly grounded Power and communications conductors are separated by the recommended minimum di...

Page 51: ...nable set point Electric preheat coil is activated and the SCR controller modulates the percentage output of the heater to maintain minimum discharge air of 44 F Outdoor unit compressors modulate to meet the heating demand by the main coil and maintain discharge air temperature set point Dehumidification Mode Dehumidification mode is activated when the outdoor air humidity sensor detects an outdoo...

Page 52: ...r other sever atmospheric conditions Bearings should be re lubricated at normal operating temperatures but not when the unit is running Rotate the fan shaft by hand and add only enough grease to purge the seals DO NOT OVER LUBRICATE Recommended greases are as follows Shell Oil Dolium R Chevron Oil SRI No 2 and Texaco Inc Premium RB Filter Replacement Monthly filter inspection is required to mainta...

Page 53: ... and or maintenance service contractor to document any service repair or adjustments LG Air Conditioning Support is available to advise and provide technical support for proper operation and replacement parts The responsibility for proper start up maintenance and servicing equipment falls to the owner and qualified licensed technician ...

Page 54: ......

Page 55: ... Unit Replacements Your LG Manufacturer Representative Missing Parts Your LG Manufacturer Representative Received Wrong DOAS Unit Model Your LG Manufacturer Representative Installation Startup and Commissioning Technical Assistance 1 888 865 3026 ...

Page 56: ...onditioning Division 11405 Old Roswell Road Alpharetta Georgia 30009 www lghvac com IM DOAS 06 14A Supersedes IM DOAS 06 14 LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products ...

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