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• Jorge Penêda Machado

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LG Electronics

LATS HVAC User’s Manual CAC model Selection & System Check Simulation Program’s Tutorial & Manual

Ver.12_2019.09.04

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Contents Environment .......................................................................................................................................................................................... 4 Introducing menu and pane ............................................................................................................................................................ 5 1) Menu ......................................................................................................................................................................................... 5 2) Pane ........................................................................................................................................................................................... 8 Creating a project............................................................................................................................................................................. 11 1) Multi V ................................................................................................................................................................................... 13 2) Multi ....................................................................................................................................................................................... 18 3) ERV ......................................................................................................................................................................................... 22 4) Single ..................................................................................................................................................................................... 24 5) Control System .................................................................................................................................................................. 25 6) Report output..................................................................................................................................................................... 47 Wrap-up .............................................................................................................................................................................................. 47 LATS Agreement .............................................................................................................................................................................. 48 Electronic Marketing ............................................................................................................................................................. 48 New Functions .................................................................................................................................................................................. 49 1) Import shd File ................................................................................................................................................................... 49 2) Remote Controller, Dry contact selection remark................................................................................................ 50 3) Header, HR unit change .................................................................................................................................................. 52 4) Height difference- all ....................................................................................................................................................... 52 5) Accessory All....................................................................................................................................................................... 53 6) Y branch, Header, HR Unit on panel........................................................................................................................... 53 7) Cut, Copy unit system ..................................................................................................................................................... 54 8) Delete Upper , Lower leg ................................................................................................................................................ 54 9) Oil trap .................................................................................................................................................................................. 55 10) IDU Tag............................................................................................................................................................................... 57 2

Figure 1 LATS HVAC interface

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Environment [Recommendation]  Windows 7/8/10, 32/64bit  MS office 2010, 2013, 2016, 2019 (Excel, Access are mandatory)  *Not support office 365. [Requirement]  Windows 7, 32bit  MS office 2007 SP3 (Excel, Access are mandatory)  Working on standalone machines, not recommended for server usage.

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Introducing menu and pane 1) Menu .

1.

Main

Figure 2 Main Menu

            

New: Create new project. Open: Open existing project file. Info: Check the project file information. Save: Save the project file. Save as: Save the project file to other name. Close: Close the project file. Load Summary: Check and add the room load information and room information by manual input of Excel importing function Import: Import the project file. Import shd File: Import the export project file of LATS CAD or LATS Revit. Report: Make the report (.xls file) GERP: Function dedicated for LGE employee to export file for ordering system of products. (Currently upload available at B2B GERP system) DXF: Create Tree/Schematic diagram in AutoCAD file. LATS Energy: shortcut button to LATS Energy website

2.

System

Figure 3 System Name  New: Create new system.  Copy: Copy the system.  Delete: Delete the system user selects. 5

 Rename: Change the system name.  System Setting: Check or change the system setting information. Function also available by double clicking the name of the system in the system pane.  System Check All: Checks all systems. *If Software version is different from project version. Below system check all message will pop up when project open.

3.

View

Figure 4 View Menu    

System Tree: Show or not the system tree Log viewer: Show or not the log viewer. Properties: Show or not the properties Overview: Show or not the overview.

4.

Language

Figure 5 Language Menu 

User can select display language by clicking on check box

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5.

Help

Figure 6 Help Menu

 LATS Help: Shows the user manual  View update info: Shows the update information.  Project file info: Shows the project file information

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2) Pane 1.

Properties Pane To apply any modification, always use the Save button after each action.

Figure 7 Properties Pane [Common]  Unit Information: Available to change the Unit. To save the unit, click the disc button.  Display  Panel Position: Change Panel Position Top/Right  Buyer Model Name: Show Buyer Model Name  Pipe Diameter: On/Off Pipe Diameter  Pipe Length: On/Off Pipe length  Pipe Legend: On/Off Pipe Legend three pipe or two pipe  Controller Icon: On/Off icon of remote controller, dry contact, and group control kit  IDU Tag: On/Off IDU tag to display or not on tree diagram, schematic diagram and validation property  Room Load On/Off Icon of room load  Program Setting  Auto Save(minute): Set Auto Save time 3/5/10 min  Auto Update: On/Off Auto Update  [Multi V]  Branch option: Available to select “0” series branch.  Schematic  ODU Breaker: Available to select “total” or “each” outdoor breaker.  Conditional App: Select the conditional application option (Check the PDB)  Hydro kit  Lock Operation Mode: Check or not the Operation mode lock function.  Simulation  FAU Simulation: Check or not the FAU simulation.  Diversity: Check or not the Diversity function.  Altitude Factor: Apply Altitude Factor for Multi V (Refer to Altitude Factor on Multi V Menu)  Block Load: Show Block Load on Tree Diagram 8

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2.

System Tree Pane

Figure 8 System Tree Pane 

3.

This pane shows an overview of your entire project containing all your created systems. User can switch among systems by clicking on the desired one. User can create new systems by right clicks or using the icons ( ) for various configurations. Project Pane

Figure 9 Project pane



At this pane user can work on his systems. Interface is easy to use either by drag and drop function or double clicks and selection.

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Creating a project 1.

Click the “new” button

Figure 10 Pop-up window initializing project start-up

 2.

Check or change the project name and saving path. And then click the next. Select and change the region data

Figure 11 Pop-up window for design conditions 

Select and change the region climate data. User is allowed to modify temperatures and humidity default values; an automatic calculation for WBT is done when inputting DBT and humidity (RH).

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3.

Customer / Contractor Information

Figure 12 Pop-up window for dedicated info at report  4.

The information is printed out to the report Select the model type

Figure 13 Pop-up window for selecting system configuration



Select the model you want to design

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1) Multi V

Figure 14 Pop-up window after selecting VRF      

Systems: Naming the system. Region: Select the region (each region has a different database of available equipment) ODU Series: Select outdoor series ODU Types: Select the outdoor type Simulation mode: Select the simulation mode (Both/cooling/heating), depending on your selection at report tree view will show capacities values. After clicking on OK button, a VRF configuration appears in Project Pane.

Figure 15 Main pane for Multi V (VRF) system For each section of equipment the user has the possibility to select dedicated accessories, function is available for both outdoor unit selection as well as for indoor unit selection. Select the indoor unit  either by drag and drop or by double clicking the void square (a new pop-up window will open) 13

Figure 16 Indoor unit selection        

Generation: Select Generation IDU Type: Select indoor unit type IDU Model: Select the model name Height difference from ODU: Below or above the height difference from ODU Room design temperature: User can modify room temperature if Diversity is ON Model capacity: The value represents the selected model’s capacity simulated according only to temperature. Est. Discharge Temp. : the value represents the estimated discharge temperature simulated according model sensible capacity and room temperature. IDU Tag: Insert tag of IDU selected. If user doesn’t insert tag, program numbered automatically. This tag is shown on tree diagram, schematic diagram and validation property.

Indoor unit type Duct selection When ducted units are selected as indoor units for the system, one must consider 2 interconnected features of the unit: air flow and ESP 1. To select air flow, please push the drop down button  select manual  input your demand for air flow in CMM 2 (or CFM, or CMH, or LPS) and select an appropriated value for ESP (to know availability of ESP, please consult PDB 3)

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ESP: External Static Pressure

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CMM: Cubic Meters per Minute

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PDB: Product Data Book

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Figure 17 Indoor unit type Duct selection

Select equipment (Click the void or the stand by button)

 

Indoor Units: Insert the indoor units Y-Branch: Insert the Y-Branch 15

       

4 Header: Insert the 4 Header 7 Header: Insert the 7Header 10 Header: Insert the 10 Header HR unit 2ports: Insert the PRHR023 (Heat recovery models) HR unit 3ports: Insert the PRHR033 (Heat recovery models) HR unit 4ports: Insert the PRHR043 (Heat recovery models) HR unit 6ports: Insert the PRHR063 (Heat recovery models) HR unit 8ports: Insert the PRHR083 (Heat recovery models)

Change the pipe length: Click the pipe length and you can modify the length and add number of elbows (piping turns).

Select the Outdoor Unit (by double clicking on your outdoor unit image)  Full models: User selects the model directly  Auto selection: Based on combination, program suggest the outdoor unit  Defrosting factor: In heating to under “0” degree, the capacity is calculated automatically

Figure 18 Pop-up for outdoor unit selection 16

After configuration of system is completed, user can proceed to simulation of system by clicking the system check. The view of the Project Pane is selected either on Tree mode (user can see refrigerant diagram isometrically) or Schematic diagram (user can see electrical and communication sketch).

Figure 19 VRF menu        

Auto piping: Selects the pipe diameter and y-branch size automatically System check: Checks the designed configuration and calculates the additional refrigerant Validation property: Shows the validation property based on PDB Tree: Shows Tree diagram Room Load: On/Off Room Load Schematic Diagram: Shows Schematic diagram Power Line, Control Line: On/Off Power Line, Control Line Altitude Factor: Shows Altitude Factor table for reference

Figure 20 Validation property window

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2) Multi This is the page of Multi model selection.

Figure 21 Pop-up window after selecting Multi Split     

Systems: Naming the system. Region: Select the region (each region has a different database of available equipment) ODU Types: Select the outdoor type Simulation mode: Select the simulation mode (Both/cooling/heating), depending on your selection at report tree view will show capacities values. After clicking on OK button, a Multi configuration appears in Project Pane.

For each section of equipment the user has the possibility to select dedicated accessories, function is available for both outdoor unit selection as well as for indoor unit selection

Figure 22 Main pane for Multi system

For Multi system, configuration has to start with the selection of Outdoor unit first. User has to previously decide whether to use “Buyer Model Name” or “Factory Model Name” for his configuration (and save). By double clicking on the outdoor unit image, user can select a specific unit

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Figure 23 Multi selection (outdoor)   

Search Types: Search the model by category Full Models: Search the model to all model list Model capacity: Shows the model capacity and input power. The value represents the selected model’s capacity at nominal conditions before simulation.

Figure 24 Outdoor Unit Properties on Multi System Combination Table: Check the selected model combination table

Figure 25 Combination Table of Multi 19

Check the branch and BD Unit information

Select the indoor unit  either by drag and drop or by double clicking the void square (a new pop-up window will open)

Figure 26 Indoor unit selection on Multi system After configuration of system is completed, user can proceed to simulation of system by clicking the system check. The view of the Project Pane is selected either on Tree mode (user can see refrigerant diagram isometrically) or Schematic diagram (user can see electrical and communication sketch).

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After system check and validation check, user is able to conclude if configuration is valid or not.

Figure 27 Schematic diagram (Multi Pane View)

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3) ERV Select the system type (based on Hz, Location)

Figure 28 Energy Recovery Ventilator configuration Pane Select the model and accessories. And then, click the Heat recovery button

Check the heat recovery value

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Check the PQ Curve

Check the efficiency curve

Check the psychrometric chart

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4) Single This is the first page of Single model selection

Insert the room design and requirement information

Select the model and system information

After system check, check the simulated result.

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5) Control System * This function only Global, EU, NA version，except Domestic version. Select Control system on the window， system type.

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[ODU Group Design] There are many designed systems such as Multi V, Multi, Single and ERV. Making ODU Groups by clicking the button, ‘ODU Group Design’. Click the button, ‘ODU Group Design’.

Click the button, ‘Add’, and then added ODU Groups. Double clicking Group name and then change Group name as you want. Click the button, ‘Delete’, and then deleted ODU Group.

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Check systems on the System List to make group and then click the button, ‘’, and the contained systems will be removed.

[How to connect Between Master and ODU Group] Step to design Control System depends on Controller designer starting Master (or Slave) to ODU groups or starting ODU groups to Master (or Slave). Master central controller must be selected. Master – ODU Group designs mainly. * M: Master, S: Slave, C: Channel, M1C1: Channel 1 of Master1 Click the button, ‘Add’ on Central Controller (Master), and select M1 as ACP IV.

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Click Channel 1 of M1. Check the Group, 1st floor. Click the button, ‘Connect’.

Group, 1st floor will be connected to M1C1. After connecting it, color for Channel 1 of M1 changed to green. M/S column for ODU Group List will be noted M1C1.

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Connection between M1C2 and ODU Group, 2nd floor and 3rd floor is same method.

Group, 2nd floor and 3rd floor will be connected to M1C2. After connecting it, color for Channel 2 of M1 changed to green. M/S column for ODU Group List will be noted M1C2.

Click the button, ‘OK’ to finish design for Control System. 29

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[Master to Slave to ODU Group] Click the button, ‘Add’ on Central Controller (Master), and select M1 as ACP IV.

Click the button, ‘Add’ on Central Controller (Slave), and select S1, S2 as AC EZ.

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Check S1，S2. Click Channel 1 of M1. Click the button，‘ Connect’

S1, S2 will be connected to M1C1. After connecting it, color for Channel 1 of M1 changed to green. M column for Central Controller (Slave) will be noted M1C1.

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Check the Slave you want to disconnect from Master. Click the button, ‘Disconnect’. Disconnection will be done.

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Check each Group, 1st floor and 2nd floor. Click Channel 1 of S1. Click the button, ‘Connect’

Group, 1st floor and 2nd floor will be connected to S1C1. After connecting it, color for Channel 1 of S1 changed to green. M/S column for ODU Group List will be noted S1C1.

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Connect Group, 3rd floor to S2 is same method.

If there are something to disconnect, check the Group you want to disconnect from Slave. Click the button, ‘Disconnect’. Disconnection will be done.

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[How to connect ACS I/O Module] Click the button, ‘Add’ on ACS I/O Module. Select which Controller you want to connect ACS I/O Module. Double click Quantity Input required Quantity.

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[How to connect PDI] There are 2 way to select PDI such as Master or Slave. PDI design mainly as Master Controller. [PDI as Master] Click the button, ‘Add’ on Central Controller (Master), and select M1 as PDI Premium.

Check Groups, 1st floor, 2nd floor and 3rd floor. Click Channel 1 of M1. Click the button, ‘Connect’.

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M1C1 will be connected to groups, 1st floor, 2nd floor and 3rd floor. M/S column for 1st floor, 2nd floor and 3rd floor will be noted M1C1.

Check the column for PDI to connect pulse line.

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Click the button, ‘OK’ to finish design for Control System.

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[PDI as Slave] Click the button, ‘Add’ on Central Controller (Slave), and select S3 as PDI Premium.

Check S3. Click Channel 2 of M1. Click the button, ‘Connect’. S3 will be connected to M1C2. M column for S3 will be noted M1C2.

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Click Channel 1 of S3 and Group 2, 2nd floor. Click the button, ‘Connect’. Check PDI column to connect PDI Premium to Group, 2nd floor.

Click the button, ‘OK’ to finish design for Control System.

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[Design for Integrated Controller] Select Integrated Controller as AC Manager 5.

Click the button, ‘OK’ to finish Design.

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*How to revise design 1.

Double click Design Screen.

2.

Click the icon, ‘System Setting’ on System tab.

3.

Click the icon, ‘System Setting’ on System Tree.

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[How to set for control address by each indoor unit] When after grouping outdoor units, click the “Control Address” button

You can insert control address by manually or by clicking “Auto Addressing”. When clicking “Auto Addressing”, the control address will be inserted by automatically for 00 to FF.

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[How to update schematic diagram after design control system]

After design control system and control address, you can check the update of schematic diagram of each system. The central control will be shown, and the control address will be displayed at next of IDU tag on IDU block.

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6) Report output After simulation successfully concluded, the user is able to export a summary in the form of an Excel report with several sheets containing output information related to the simulated systems or PDF report.

Figure 29 Report main page

Wrap-up For additional information on functions such as Diversity or Hydro kit, please contact your Local LG Electronics representative.

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LATS Agreement Electronic Marketing There is LATS Agreement menu on Help tab. By uncheck check box, ‘I accept the Electronic Marketing’ (red box mark) and then click ‘OK’ button. You can cancel the Electronic Marketing agreement.

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New Functions 1) Import shd File 1.

Click the button, ‘Export to LATS HVAC’ on LATS CAD or LATS Revit.

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2.

Click the button, ‘Import shd File’ on LATS HVAC.

3.

Select Import file that is the exported file from LATS CAD or LATS Revit (*.shd).

2) Remote Controller, Dry contact selection remark 1.

Click the button, ’Accessories’ on the window, Indoor Unit Properties.

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2.

Select remote controller, dry contact on Accessory table.

3.

After selecting remote controller，R remark on Room image(T remark on N.America version)

4.

After selecting Dry contact，D remark on Indoor unit image.

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3) Header, HR unit change Header or HR unit can be changed on Branch/Header Dialog as Substitute Model. Select substitute model and click OK button.

4) Height difference- all By clicking All, All Height difference from ODU to HR unit on Branch/Header Dialog All Height difference from ODU to IDU on Indoor Unit Properties change at the same time. It works same system.

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5) Accessory All If you want to select any accessory for every Indoor unit on same system, check All column and then Click Add button. If you want to remove any accessory for every Indoor unit on same system, check All column and then Click Delete button.

6) Y branch, Header, HR Unit on panel Select Y branch, Header, HR Unit by drag and drop from panel to Tree same as Indoor units.

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7) Cut, Copy unit system Cut, Copy unit between systems and inside systems. Cut or Copy unit system and the Paste unit system where you want to paste it.

8) Delete Upper , Lower leg Delete Upper or Lower leg for Y branch

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9) Oil trap Oil trap mark on Outdoor Multi Frame and Oil trap requirement on the report

[Report]

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10) IDU Tag When selecting IDU, user can set tag by each models. User can change tag on IDU properties window. If user does not insert value manually, program assign tag automatically by serial number. The same name of tag can not be set on the same system This value is shown on tree diagram, schematic diagram and validation property.

Figure 30 IDU Tag on Indoor Unit Properties

Figure 31 IDU Tag on Tree Diagram 57

Figure 32 IDU Tag on Schematic Diagram

Figure 33 IDU Tag on Validation Property

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