Installation work must 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.

HVAC Controller(ACP 5) 
PACP5A000
Original instructions

Contents hide

SAFETY INSTRUCTIONS

The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.

This symbol is displayed to indicate matters and operations that can cause risk.
Read the part with this symbol carefully and follow the instructions in order to avoid risk.
WARNING
This indicates that the failure to follow the instructions can cause serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can cause minor injury or damage to the product.

WARNING

Installation

Operation

CAUTION
Installation

Disposal of Waste Batteries

Class A device

NOTE
This equipment has been tested and identified as complying with the limits for a Class A digital device and acts in accordance with part 15 of the FCC Rules. These rules are designed to provide protect the equipment from any detrimental damages while operating in a commercial environment. This equipment generates, uses, and can emit radiofrequency energy.
If it is not installed and used according to the instruction manual, it may cause detrimental damage to the radio communications. Ensure that this product is NOT operated within residential premises as it might emit dangerous radiation. In such a scenario, the user is responsible for damage repair.

CAUTION


Changes or modifications that are not approved by the manufacturer responsible for compliance could render the user authority as invalid.

Disposal of your old appliance

  1. This crossed-out wheeled bin symbol indicates that waste electrical and electronic products (WEEE) should be disposed of separately from the municipal waste stream.
  2. Old electrical products can contain hazardous substances so correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health. Your old appliance may contain reusable parts that could be used to repair other products and other valuable materials that can be recycled to conserve limited resources.
  3. You can take your appliance either to the shop where you purchased the product, or contact your local government waste office for details of your nearest authorized WEEE collection point. For the most up to date information on your country please see www.lg.com/global/recycling

Disposal of waste batteries/accumulators

ACP 5 FUNCTIONS AND SPECIFICATION

ACP 5 is the central controller that can manage up to 256 types of equipment in one space individually or as combined. ACP 5 can monitor or control the equipment is installed in each room of the building from the places such as the management office of a building or the administration office of a school.

ACP 5 Functions

Major functions of the ACP 5 are as follows.

ACP 5 Components
Inside the packaged box of the ACP 5, there are the components as in the following drawing. Open the packaged box of the ACP 5, and check if all of the corresponding components are included.

CAUTION
SD Card provided by LG is for the data backup and recovery when a specialized service technician supports the service, so be careful not to lose it by using it for other purposes.

CAUTION
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

NOTE
Components or options may differ from the actual product picture.

Names of each part of ACP 5

ACP 5 is composed as follows.

Number

Item

Description

1 Cover Front cover of the ACP 5
2 Adaptor connection jack Jack for 12 V= to connect to the power supply adaptor
3 Buttons and LCD Buttons and LCD to set network environment and to display other information
4 Basic external input/ output signal connectors Connection ports to connect to external input/output signals (Dl:2, DO:2)
5 Optional input/output and RS-485 communication port Connection port to connect to external input/output signals and RS-485 communication port for external expansion. (8 DI’s, 2 DO s, 2 RS-485 communication ports)
6 RS-485 communication port RS-485 communication ports to connect to the air conditioner and ERV equipment (4 in total)
7 Mini USB port USB to Serial port for software debugging
8 USB port For software updates and data backup
9 Power switch Switch to turn on or off the power of the ACP 5
10 Ethernet port Ethernet port to connect to internet and AC Manager 5
11 SD card slot For RS-485 communication data backup.

ACP 5 Hardware specification

ACP 5 hardware specification is as follows.

No Category Description
1 Operating temperature 0 °C — 40 °C
2 Rated voltage 12 V—
3 Rated current Max 2.3 A
4 Communication port · Ethernet 10 / 100 BASE-T
· USB : USB Host (SW upgrade, data backup)
· Mini USB Device (Debug)
· RS-485 communication ports 6 EA
· SD card slot (RS-485 communication logging)
5 External input/output ports DI 10 EA, DO 4 EA
6 LED 27 EA (power status, communication status)
7 LCD 20 x4 Character-LCD (network environment setting and information display)
8 Protection class IP20

INSTALLING ACP 5

Installing ACP 5
This chapter describes how to install the ACP 5 to use.
In order to use the ACP 5, the installation should be performed by the following order.

STEP 1. Check the cautions during the ACP 5 installation
Before installing the ACP 5, check the cautions.
STEP 2. Study the cable connections diagram of the entire system.
Study the cable connection diagram of the site where the ACP 5 is installed.
STEP 3. Set the indoor unit address
Set the address of the ACP 5 not to be overlapped with the connecting indoor unit.
STEP 4. Set PI485 and connect cables
Set DIP switch of PI485 correctly, and connect RS-485 communication cable.
STEP 5. Install ACP 5 and connect cables
Install the ACP 5, and set network and other settings.
STEP 6. Set ACP 5 network address
Set the network address to be able to access the ACP 5 through the internet.
STEP 7. Set ACP 5 functions
Set language, peak/demand, etc.
STEP 8. Set web GUI access environment
Set the access environment in web GUI, which is the operation program of the ACP 5.
STEP 9. Input indoor unit and ventilator information
Set the access environment in web GUI, which is the operation program of the ACP 5.
STEP 10. Verify and check ACP 5 installation
Verify and check whether the ACP 5 is properly installed.

CAUTION

Checkpoints during the ACP 5 installation

* Devices: Indoor units, ERV, DI/DOs, DOKITs, Heatings, AHUs

Quantity of I/O Module Quantity of Device
0 256
1 248
2 240
3 232
4 224
5 216
6 208
7 200
8 192
9 184
10 176
11 168
12 160
13 152
14 144
15 136
16 128

Setting the indoor unit address

By considering the entire installation configuration connecting to one ACP 5, set the address to each indoor unit not to be overlapped. 00~FF in hexadecimal can be set to the indoor unit address. However, in the case of I/O module, address 00 should not be set because address 00 is used as a Broadcast in MODBUS communication.

NOTE
Assigning an indoor and outdoor unit number

If the outdoor unit product is Multi V, it is recommended to assign the address by setting the first digit of the address as the number of the outdoor unit and classifying the second digit as the number of the indoor unit, for easy composition and classification of the system.

Here is an example of configuring ACP 5 and the device.

NOTE
How to set the central control address of the indoor unit

The central control address setting method may be different for each indoor unit product or remote control type, so set the address by referring to the manual of the indoor unit
product or wired remote controller.

When the ACP 5 is interconnected with the AC Manager 5, the ERV can be installed together and controlled. The above figure shows the example that sets the address of 11 to the ERV and connects to the ACP 5.

Installing ACP 5 and connecting cables

After setting PI485, the ACP 5 shall be installed in an adequate place, and the RS-485 cable shall be connected for communication with PI485.
And, Ethernet cable (LAN cable) shall be connected to the connection with internet or AC Manager 5.
To fix the ACP 5, the following 2 methods may be used.
Install in DIN-RAIL or fix the wall considering the environment of the site.

CAUTION
Use the designated parts that must be connected to a power source.

Installing the ACP 5 in DIN RAIL

ACP 5 can be installed in DIN RAIL with a width of 35 mm and a height of 7.5 mm.
Proceed as follows to install the ACP 5 in an adequate place.
The installation method of the ACP 5 is explained here with the example of installing the ACP 5 in DIN RAIL.

CAUTION

Fixing the ACP 5 to the wall

ACP 5 can be installed by fixing the wall. To install the ACP 5 in an adequate place, proceed according to the following explanation. It explains here how to install the ACP 5 with the example of installing the ACP 5 on the wall.

Connecting RS-485 cable to the ACP 5

After fixing the ACP 5 in the installation place, RS-485 cable that was connected to PI485 shall be connected to the ACP 5. To connect RS-485 cable to the ACP 5, proceed as the following order.

CAUTION

If a different type of connection is made other than BUS format as in the figure, the product may malfunction. So be careful during the installation. ACP 5 shall be installed in accordance with national wiring regulations.

Connecting Ethernet cable (LAN cable) to the ACP 5 After connecting the ACP 5 and RS-485 cable, the Ethernet cable shall be connected to the ACP 5.
ACP 5 may be connected to the hub through an Ethernet cable, or directly to AC Manager 5.

Connecting the ACP 5 and hub
It is the case of connecting the ACP 5 to the basic internet network installed at the site, and it is generally connected to the hub.
In such a case, the Ethernet cable shall be connected as a direct cable.
Use Ethernet cable (direct cable) to connect to the LAN port of the ACP 5.

Connecting ACP 5 and PC
It is the case of connecting ACP 5 and PC directly.
In such a case, the Ethernet cable shall be connected as a cross cable.
Use Ethernet cable to connect to the LAN port of the ACP 5.

Setting the ACP 5 network address

After connecting the ACP 5 to various devices via the cable, the network environment of the ACP 5 should be set by driving the ACP 5. The following information should be set for using the ACP 5.

CAUTION

Setting the network environment information
If the above information is not entered, the communication error may occur or it may be impossible to control by the ACP 5. So, be careful to correctly input.

Before configuring the ACP 5 environment

The network environment of the ACP 5 can be set by the LCD and the buttons at the front side of the ACP 5.
The current ACP 5 information and the menu are displayed on the LCD, and the menu can be changed and selected by pressing and button and Up/Down/Left/Right (▲, ▼, ◀, ▶) buttons.

Turning on the ACP 5
Turn on the ACP 5 to set the network environment of the ACP 5.
When the power switch is turned on, the ACP 5 booting screen is displayed on the LCD as shown at the following figure, and when booting is completed, the initial ACP 5 screen is displayed.

NOTE
Software version

The software version of the current ACP 5 is displayed at the initial ACP 5 screen.
Also, the software version may be different according to the manufacturing date of the ACP 5.

Entering into the environment setup mode

Press [SET] button of the ACP 5 to enter into the environment setup mode of the ACP 5.
When the [SET] button is pressed for the first time, the menu to set the IP address is displayed as shown below.

Press up/down(▲, ▼) button to place the arrow on the desired function.

CAUTION

INITIALISING

It describes about how to access the system before completely using the ACP 5.
Login and logout
The following explains how to log in and out of ACP 5.
ACP 5, can be controlled either by the equipment or the web. If you enter the IP address of the ACP 5 in the address bar of the command window of the web browser (Run>cmd>ipconfig) without the installation of another program, the central control program ACP 5 Web server is executed automatically.

NOTE

Login
You can log in as follows.

  1. Run ACP 5.
  2. Input ID and password in the log-in window and touch the [Log in] button.

Log-in (for first time access)
In case of initially accessing, set a password for the manager account (ID: admin).

  1. Run ACP 5.
  2. Input the password of the manager account to use in the account creation window and touch the [Create admin] button.

CAUTION

NOTE

Logout
You can log out as follows.

  1. In ACP 5 menu, choose the sub-menu ‘Account’.
  2. From the list of options as displayed by the ‘Account’ sub-menu press ‘Log Out’.

User manual
You can view the user manual as follows.

  1. In ACP 5 log-in screen, input your ID and password and touch the [Log in] button.
  2. Press ‘Help’ at the top right side of the ACP 5 screen.
    – The user manual is displayed.

HINT

Pre-Tech Support Checklist
If the abnormality occurs in products, please first check the following points before requesting to service center.

Symptom Measures
Because there is no icon on the desktop, it is impossible to control. Please refer to the connection guide.
Although running on the desktop icon, Web GUI does not run. Please check LAN cable and the power supply of Hub.
Indoor remote control does not work. ACP 5 in the lock feature is enabled, the remote control function is not set. Peak control state must function setting from the remote control at the indoor unit. If the function is active, set the time schedule may be disabled.
I would like to change the name of the indoor unit. Log in as superuser -> System Settings -> After selecting the device you want to change, modify the name of or the device .-> Apply -* Complete group settings

EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands
U.K. Importer: LG Electronics U.K. Ltd. Velocity 2, Brooklands Drive, Weybridge, KT13 0SL, U.K.
Manufacturer: LG Electronics Inc. Changwon 2nd factory, 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

Documents / Resources

LG PACP5A000 Air Conditioner [pdf] Installation Guide
PACP5A000, Air Conditioner, PACP5A000 Air Conditioner
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