LG AC Smart Premium PQCSW421E0A User manual

www.lge.com
P/NO : MFL67570503
Model Name : AC Smart Premium
Model No. : PQCSW421E0A
After reading, store this User's Guide in an easily accessible place for all users.
User's Guide

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Explanatory Notes
Explanatory Notes
Copyrights
The contents of this AC Smart Premium User Guide are protected by international copyright laws,
and the Computer Program Protection Act. The contents of the User Guide and the programs
mentioned herein may only be used under license from LG Electronics in strict adherence to the user
agreement.
You may not reproduce or distribute, by any means, copies of this User Guide, or any part of it,
without prior approval from LG Electronics.
Copyright © 2013 LG Electronics. All rights reserved. Twin Towers 20, Yeouido,
Yeongdeungpo-gu, Seoul
Registered Trademarks
AC Smart Premium is a registered trademark of LG Electronics. All other products and company
names are trademarks of their respective owners and are used for illustrative purposes only.

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Explanatory Notes
Product Features
Convenience
 Auto-changeover
Automatically switches the indoor unit into the correct mode to optimize space comfort.
 Web access
Allows distributed control from a remote location.
 Visual and e-mail alarm notification
Immediately indicates when a system is not operating at optimal conditions.
 Visual Navigation
Allows for accessing unit data by navigating uploaded floorplans.
Energy Savings
 Scheduling
Conditions the space only when necessary.
 Setpoint Range Limit
Prevents the setpoint from being set to extremes that can result in overcooling or overheating
of the space.
 Remote Controller Lock
Prevents users from changing indoor unit operation.
 Setback
Allows indoor units to be shut off during unoccupied periods with an override feature to keep
interior temperatures from reaching extremes.
 Time Limit
Allows a unit to be turned on during unoccupied times and automatically shut down after a
specified amount of run time.
 Peak/Demand Control
Allows for electronically limiting power usage.
Integration
 Interlocking
Allows interlocked operation between devices or between digital inputs and outputs on the AC
Smart and devices.
AC Manager Plus Interface
You can connect AC Smart Premium with a PC based AC Manager Plus to use the various AC
Manager Plus functions. You can also use the scheduling function, even if the PC with AC Manager
Plus is turned off.

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Explanatory Notes
How to Use This Guide
Please read from beginning to end this User Guide before using AC Smart Premium. Store this guide
so that is also easily accessible.
Notations Used In This Guide
 Control buttons displayed within the system are marked by boldface text in square brackets ([ ]).
Example: [OK], [Save]
 Option titles displayed in the program are marked by boldface text.
Example: Start, Programs
 Keyboard strokes used by the system are marked by boldface text in angle brackets (< >).
Example: <Esc>

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Table of Contents
1
Safety Precautions
1Warning
5Caution
9
Preparation
9AC Smart Premium Overview
9Components
10 Product Specifications
11 Features and Functions
12 Installation and Configuration
12 – Installation
20 – Configure an emergency stop
21 Information Input Method
23
Starting
23 Turning on/off the screen
23 – Turning on the screen
23 – Turning off the screen
24 Rebooting
25 Login and logout
25 – Login
25 – Logout
26 Home screen composition and
features
27
Using the Program
27 Control/Monitor
27 – Control/Monitoring screen
composition and features
32 – Device Control
52 – Monitoring a Device
53 Schedule
53 – Schedule Screen composition and
features
54 – Creating Schedules
57 – Checking Schedules
58 – Editing Schedules
59 – Deleting Schedules
60 Auto Logic
60 – Peak Control
69 – Demand Control
72 – Time-limit Operation
78 – InterLocking
82 Statistics
82 – Statistics Screen Composition and
Features
84 – Querying Statistics
85 Report
85 – Report screen composition and
features
86 – Querying Report
87 Installing
87 – Registering Device
92 – Managing Device
96 Environment
96 – General Setting
102 – Screen Setting
108 – Advance Setting
113 – Customer Setting
119 – Network Setting
123 – E-Mail Setting
128 – TMS Setting
135
Hint
135 Control Codes
135 Error Codes
135 – Indoor Device, ERV or ERV DX,
AWHP(Hydro kit), AHU error
137 – Outdoor Unit Errors
139 – MultiV 20Hp, 30Hp, 40Hp, error
141 – Super Errors
142 – Central Controller Errors
142 Pre-Tech Support Checklist
143 Guide to Open Source Software
Table of Contents
ver 1.0.0

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Safety Precautions
Safety Precautions
 This product must be installed by an installation professional from an LG authorized service
center.
 Any issues stemming from an installation by an unauthorized person is the responsibility of
the user and will not be covered by warranty.
 The following safety precautions are to prevent any unforeseen dangers or damage.
 This product has been designed for business use, or for areas outside the home, and has
passed the Electromagnetic Interference Test.
#
Warning
If the instructions are not followed, injury or death is possible.
Installation
yTo reinstall the product, please contact the dealer from where you purchased the
product, or a service center for reinstallation service.
Installation of the product by an unauthorized person may result in fire, electric shock,
explosion, injury, or a malfunctioning of the product.
yDo not twist or damage the power cord.
It may cause fire or electric shock.
yFor electrical work, please contact the dealer from where you purchased the product, or
a service center.
Disassembly or repair by an unauthorized person may result in fire or electric shock.
yInstall the product in an area shielded from rain.
If water gets into the product, it may malfunction.
yDo not install the product in a humid area.
If the product is damp, it may malfunction.
yFor installation of the product, please contact the dealer from where you purchased the
product, or a service center.
Installation of the product by an unauthorized person may result in fire, electric shock,
explosion, injury, or a malfunctioning of the product.

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Safety Precautions
yFor electrical work, please have an electrician do the work based on the installation
manual and specified circuit diagram.
Using an unsuitable cord, or having a non-professional work on the electricals may result in fire
or electrical shock.
yDo not place the product near a fire source.
It may result in the product catching fire.
yIf the product is installed in a hospital or a communication base station, provide
sufficient protective equipment against electrical noise.
The product may malfunction or other products may work abnormally.
ySecurely install the product.
If the product is not secured during installation, it may fall or malfunction.
yRead the manual thoroughly to correctly install the product.
If not, an incorrect installation may cause fire or electric shock.
yWhen wiring the product, do not use a non-standard cable, nor extend the cable
excessively.
It may cause a fire or electric shock.
ySecurely install the power cord and communication cable.
An unsecure installation may result in a fire or electric shock.
yDo not connect the power cord to the communication terminal.
It may cause a fire, electric shock, or a product malfunction.
yDo not install the product in an area near combustible gas.
It may result in fire, electric shock, explosion, injury, or a malfunctioning of the product.

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Safety Precautions
Use
yDo not place a heavy object on the power cord.
It may cause a fire or electric shock.
yDo not change or extend the power cord arbitrarily.
It may cause a fire or electric shock.
yUse the cord specific to the product.
Using an unauthorized non-standard cord may result in a fire or electric shock.
yDo not use a heat device near the power cord.
It may cause a fire or electric shock.
yEnsure that water never gets into the product.
It can result in an electric shock, or the product may malfunction.
yDo not place any container with liquid on the product.
The product may malfunction.
yDo not touch the product with wet hands.
It may cause a fire or electric shock.
yUse standard components.
Use of an unauthorized product may result in fire, electric shock, explosion, injury, or a
malfunctioning of the product.
yIf the product has been submerged in water, you should contact a service center.
It may cause a fire or electric shock.
yDo not shock the product.
The product may malfunction.
yDo not store or use any combustible gas or flammable substances near the product.
It may cause a fire, or a product malfunction.
yDo not disassemble, repair, or revamp the product arbitrarily.
It may cause a fire or electric shock.
yChildren and the elderly should use the product under the supervision of a guardian.
Carelessness may cause an accident, or the product to malfunction.
yThe guardian should prevent children from accessing the product.
The product may be damaged or it may fall, causing injury to children.

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Safety Precautions
yKeep in mind the operating temperature range specified in the manual.
if there is no operating temperature range in the manual, use the product between 0 and
40Ș(32 and 104°F).
If the product is used outside this range, the product may be severely damaged.
yDo not press the switch or button with a sharp object.
It can result in an electric shock, or the product may malfunction.
yDo not wire the product while it is turned on.
It may cause a fire or electric shock.
yIf the product sounds or smells different, stop using the product.
It may cause a fire or electric shock.
yDo not place a heavy object on the product.
The product may malfunction.
yDo not spray water on the product, or clean it with a water-soaked cloth.
It may cause a fire or electric shock.
yDo not use the product for the preservation of animals and plants, precision
instruments, art pieces, or for other special purposes.
It may cause property damage.
yDispose the packing material safely.
The packing material may result in personal injuries.

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Safety Precautions
#
Caution
Not following the instructions may result in injury or property loss.
Installation
ySecurely install the product in an area where the weight of the product can be
supported.
The product may fall and be destroyed.
yDo not use the product where there is oil, steam, or sulfuric gas.
It may effect the product's performance, or damage it.
yCheck the rated power capacity.
It may cause a fire, or a product malfunction.
yUse the adapter provided with the productRUSRZHUIURPDFODVV9$&WUDQVIRUPHU
GHSHQGLQJRQPRGHO
If a non-standard adapter is used, the product may malfunction. The adaptor is not provided
with the AC Smart package sold in the U.S.
yBe careful not to drop or damage the product when moving it.
The product may malfunction or the person may sustain an injury.
yEnsure that the cord is connected securely to prevent dew, water, or insects from
getting into the product.
If a foreign substance gets inside, it may cause an electric shock or the product may
malfunction.

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Safety Precautions
Use
yClean the product with a soft cloth, but not with a solvent-based detergent.
The use of a solvent-based detergent may cause a fire or deform the product.
yDo not touch the panel using a pointy or sharp object.
It can result in an electric shock, or the product may malfunction.
yDo not let the product come into contact with a metal substance.
The product may malfunction.
yWhen sterilizing or disinfecting, stop using the product.
The product may work abnormally.
yDo not touch inside the product.
The product may malfunction.
yCheck the condition of the product after using the product for an extended period of
time.
If the product is used for an extended period of time, the product's condition may be worsen,
causing injury to the user.
yDo not leave the product near a flower base, water bottle, or any other liquids.
It may cause a fire or electric shock.
yTransformer selection:
-Select an insulating product that complies with IEC61558-2-6 and NEC Class 2.
-In addition, consider the combined power consumption of the modules, accessories, and field
devices installed for the selection of an appropriate transformer.
Main module current: AC24V 850mA
-Use the provided adaptor when using DC12V. The adaptor is not provided with the AC Smart
package sold in the U.S.
y
T
r
ansformer selection
:
-
S
e
lect an insulatin
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product that com
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es with IE
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61558-2-6 and NE
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lass 2.
-
I
n
addition, consider the combined power consumption o
f
the modules, accessories, and
f
ield
devices installed
f
or the selection o
f
an appropriate trans
f
ormer.
Mai
n m
odu
le
curren
t:
AC2
4V
850
mA
-
U
s
e the provided adaptor when usin
g
D
C
12V. The adaptor is not provided with the A
C
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mart
p
acka
g
e sold in the U
.S.

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Safety Precautions
Class A device
Notes
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own
expense.
Caution
Changes or modifications not expressly approved by the manufacturer responsible for
compliance could void the user’s authority to operate the equipment.
Disposal of your old appliance
1. When this crossed-out wheeled bin symbol is attached to a product it
means the product is covered by the European Directive 2002/96/EC.
2. All electrical and electronic products should be disposed of separately
from the municipal waste stream via designated collection facilities
appointed by the government or the local authorities.
3. The correct disposal of your old appliance will help prevent potential
negative consequences for the environment and human health.
4. For more detailed information about disposal of your old appliance,
please contact your city o!ce, waste disposal service or the shop
where you purchased the product.

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Preparation
Preparation
The following provides information on the AC Smart Premium components, how to install and
configure, and other required information necessary to use the product.
AC Smart Premium Overview
AC Smart Premium is a central controller installed in the management office of a building, or in the
administration office of a school, to monitor or operate, via touch screen, the indoor units,
ERV (ERV: Energy Recovery Ventilator, ERV DX: Direct Expansion Energy Recovery Ventilator),
DI/DOs, DOKITs, AWHPs and AHUs installed inside the building. AC Smart Premium can manage,
collectively or individually, the indoor units, ERV, DI/DOs, DOKITs, AWHPs and AHUs for up to 128
devices.
Components
The following components are included in the package box. Open the box and verify that all
components are included.
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The adaptor is not provided with the AC Smart package sold in the U.S.

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Preparation
Notes
The figures of the components and optionally purchased products shown may differ from the
actual components and products.
Product Specifications
The product specifications for AC Smart Premium are as follows.
Item Specifications
CPU PCIMX5150D
yARM Cortex A8™ core
y800MHz
MEMORY 128 x 4 MB (DDR2 SDRAM)
Storage 4GB (INAND FLASH)
LCD 10.2 inch WSVGA (1024 x 600) TFT LCD
Speaker MONO 300mW
RS485 2 Ports
USB/SD yMICRO USB 1EA (for external USB memory) yMINI USB 1EA (for service)
ySD Card 1EA
DI 2 Ports
DO 2 Ports
Touch Screen R-Type 4Wire Touch Panel
Button Key Less than 9 seconds (LCD POWER ON/OFF), 10 seconds (SYSTEM
RESET)
POWER 12V DC (3.33A), 24V AC
OS Linux

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Preparation
Features and Functions
The features and functions of AC Smart Premium are as follows.
¨ ©
¬«ª
¢ ¤£ §¥ ¦
<Front>
<Bottom>
<Back>
Number Item Description
£Touch Screen y10.2 inch LCD control panel
yAC Smart Premium control and information display
¤SD Memory Slot
(for service) SD card memory slot for software upgrade
¥DO Port 2CH DO port
¦DI Port 2CH DI port
§ 485 Port 2CH 485 port (CH1: AHU, CH2: devices other than AHU)
¨DC 12V Input Port DC 12V power input port
©LAN Port LAN cable port for Ethernet connection (100Mbps/10Mbps)
ªAC 24V Input Port AC 24V power input port
«Micro USB Port USB 2.0 to connect USB memory sticks storing floor plans,
reports, statistics, etc.
¬Mini USB Port
(for service) PC port for software upgrade
Power ON/OFF
yPush less than 10 seconds to control AC Smart Premium
LCD backlight.
yPush 10 seconds or more to reset AC Smart Premium.
yIf you are not going to use AC Smart Premium for a long
time, it is recommended that the product be turned off to
prolong the LCD backlight's life.

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Preparation
Installation and Configuration
This chapter explains how to install and configure AC Smart Premium.
Installation
To use AC Smart Premium, build an environment for which AC Smart Premium can communicate
with devices like the indoor unit, ERV, DI/DO, DOKIT, AWHP, and AHU. Use AC Smart Premium to
register those devices.
AC Smart Premium should be installed in the following order:
STEP 1. Check the installation environment and configure the device
address.
Check the network configuration against the interfaced devices before installing
AC Smart Premium and allocate a unique central control address for each
connected device.
STEP 2. Connect V-Net devices with AC Smart Premium.
Use an RS485 cable to connect V-Net devices with AC Smart Premium.
STEP 3. Login and register the devices.
Login to AC Smart Premium and register those devices that have their address
set.
Caution
The installation of AC Smart Premium must be done by a professional. Be sure to contact a
qualified engineer for the installation. If you have a question or request regarding the installation,
contact an installation professional at an authorized LG service center or LG Electronics.