LG PQCSW421E0A installation manual

Installation/User Manual

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•Make sure to read the cautions for safety before installation and use, and use it correctly.

•It is intended to keep protect the safety of the installer and user and to prevent the property damage, etc.

•After reading the user manual, please keep it at a place where user can access any time.

Model Name Model No.

: AC Smart Premium

: PQCSW421E0A

*MFL67570503*

P/NO : MFL67570503

www.lg.com

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.

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

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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.

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>

iii

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MEMO

TABLE OF CONTENTS

SAFETY

PRECAUTIONS

PREPARATION

7 AC Smart Premium Overview

7 Components

8 Product Specifications

9 Features and Functions

10 Installation and Configuration

10 – Installation

19 – Configure an emergency stop

20 Information Input Method

HINT

23 Control Codes

23 Error Codes

23 – Indoor Device, ERV or ERV DX,

AWHP(Hydro kit), AHU error

25 – Outdoor Unit Errors

27 – MultiV 20Hp, 30Hp, 40Hp, error

29 – Super Errors

30 – Central Controller Errors

31 Pre-Tech Support Checklist

31 Guide to Open Source Software

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STARTING

21 Turning on/off the screen

21 – Turning on the screen

21 – Turning off the screen

22 Rebooting

22 Login and logout

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MEMO

SAFETY PRECAUTIONS

• This product must be installed by an installation professional from an LG authorized service

ce nte r.

• 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

It can result in serious injury or death when the directions are ignored.

CAUTION

It can result in minor injury or product damage when the directions are ignored.

WARNING

Installation

y To 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, explo

sion, injur y, or a malfunctioning of the product.

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y Do not twist or damage the power cord.

- It may cause fire or electric shock.

y For 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.

y Install the product in an area shielded from rain.

- If water gets into the product, it may malfunction.

y Do not install the product in a humid area.

- If the product is damp, it may malfunction.

y For 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, explo

sion, injur y, or a malfunctioning of the product.

SAFETY PRECAUTIONS

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y For 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.

y Do not place the product near a fire source.

- It may result in the product catching fire.

y If 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.

y Securely install the product.

- If the product is not secured during installation, it may fall or malfunction.

y Read the manual thoroughly to correctly install the product.

- If not, an incorrect installation may cause fire or electric shock.

y When wiring the product, do not use a non-standard cable, nor extend the cable

excessively.

- It may cause a fire or electric shock.

y Securely install the power cord and communication cable.

- An unsecure installation may result in a fire or electric shock.

y Do not connect the power cord to the communication terminal.

- It may cause a fire, electric shock, or a product malfunction.

y Do not install the product in an area near combustible gas.

- It may result in fire, electric shock, explosion, injur y, or a malfunctioning of the product.

Use

y Do not place a heav y object on the power cord.

- It may cause a fire or electric shock.

y Do not change or extend the power cord arbitrarily.

- It may cause a fire or electric shock.

y Use the cord specific to the product .

- Using an unauthorized non-standard cord may result in a fire or electric shock.

y Do not use a heat device near the power cord.

- It may cause a fire or electric shock.

y Ensure that water never gets into the product.

- It can result in an electric shock, or the product may malfunction.

y Do not place any container with liquid on the product.

- The product may malfunction.

SAFETY PRECAUTIONS

y Do not touch the product with wet hands.

- It may cause a fire or electric shock.

y Use standard components.

- Use of an unauthorized product may result in fire, electric shock, explosion, injury, or a malfunc

tioning of the product.

y If the product has been submerged in water, you should contact a service center.

- It may cause a fire or electric shock.

y Do not shock the product.

- The product may malfunction.

y Do not store or use any combustible gas or flammable substances near the product.

- It may cause a fire, or a product malfunction.

y Do not disassemble, repair, or revamp the product arbitrarily.

- It may cause a fire or electric shock.

y Children and the elderly should use the product under the supervision of a guardian.

- Carelessness may cause an accident, or the product to malfunction.

y The 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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y Keep 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 40 ℃ (32 and 104 °F).

- If the product is used outside this range, the product may be severely damaged.

y Do not press the switch or button with a sharp object.

- It can result in an electric shock, or the product may malfunction.

y Do not wire the product while it is turned on.

- It may cause a fire or electric shock.

y If the product sounds or smells different, stop using the product.

- It may cause a fire or electric shock.

y Do not place a heav y object on the product.

- The product may malfunction.

y Do not spray water on the product , or clean it with a water-soaked cloth.

- It may cause a fire or electric shock.

y Do 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.

y Dispose the packing material safely.

- The packing material may result in personal injuries.

SAFETY PRECAUTIONS

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Installation

CAUTION

y Securely install the product in an area where the weight of the product can be supported.

- The product may fall and be destroyed.

y Do not use the product where there is oil, steam, or sulfuric gas.

- It may effect the product's performance, or damage it.

y Check the rated power capacity.

- It may cause a fire, or a product malfunction.

y Use the adapter provided with the product or power from a class 2 24 V~ transformer,

depending on model.

- 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.

y Be careful not to drop or damage the product when moving it.

- The product may malfunction or the person may sustain an injury.

y Ensure 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 malfunc

tion.

Use

y Clean 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.

y Do not touch the panel using a pointy or sharp object.

- It can result in an electric shock, or the product may malfunction.

y Do not let the product come into contact with a metal substance.

- The product may malfunction.

y When sterilizing or disinfecting, stop using the product.

- The product may work abnormally.

y Do not touch inside the product.

- The product may malfunction.

y Check 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.

y Do not leave the product near a flower base, water bottle, or any other liquids.

- It may cause a fire or electric shock.

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