LG PQCPC22A0 User guide

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INSTALLATION/USER MANUAL

•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.

TYPE : ACP

MODEL : PQCPC22A0, PQCPC22A1, PQCPC22N0, PQCPC22N1

www.lg.com

P/NO : MFL67206316

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2	TIPS FOR SAVING ENERGY

TIPS FOR SAVING ENERGY

Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:

•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.

•Block sunlight with blinds or curtains while you are operating the air conditioner.

•Keep doors or windows closed tightly while you are operating the air conditioner.

•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.

•Speed up the fan to cool or warm indoor air quickly, in a short period of time.

•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.

•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.

!NOTE

•The product images and descriptions included in this manual are stated based on ACP Premium-Free volt (Model Name: PQCPC22A0).

ACP Premium-Free volt (PQCPC22A0) ACP Premium-24V (PQCPC22A1) ACP Standard-Free volt (PQCPC22N0) ACP Standard-24V (PQCPC22N1)

For your records

Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:

Model number :

Serial number :

You can find them on a label on the side of each unit.

Dealer’s name :

Date of purchase :

IMPORTANT SAFETY INSTRUCTIONS	3

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product

! 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 or repairs made by unqualified persons can result in hazards to you and others.

•Installation MUST conform with local building codes or, in the absence of local codes, with the Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical Code Part1 CSA C.22.1.

•The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.

•Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.

Installation

•Any question about the product installation should be asked to the service center or the professional installation agency.

-It may cause fire, electric shock, explosion or injury.

•Consult the service center or the professional installation agency about reinstalling the installed product.

-It may cause fire, electric shock, explosion or injury.

•Please use the standardized parts.

-It may cause fire, electric shock, explosion, injury, or failure.

•Do not keep or use combustible gas or inflammable material near the product.

-IT may cause fire or electric shock.

•Do not disassemble, repair or modify the product at random.

-It may cause failure of the product.

•Do not install where raindrop can fall.

-It may cause failure of the product.

•Do not install the product at wet place.

-It may cause failure of the product.

•Provided product and adaptor shall only be installed and used inside a building.

-It may cause fire or failure of the product. *Do not install or use outside.

•Install stably in a place that can endure the weight of the ACP.

-If the installation place is not strong enough, the ACP may fall and damaged.

•Make sure to enquire to the specialty store of the product purchase or service center for electric works.

-It may cause fire or electric shock.

•Do not damage the power cord or bend it by force.

-It may cause fire or electric shock.

•You need to use a safely insulated power supply which follows IEC61558-2-6 and NEC Class2

-If you do not follow, It may cause fire, electric shock, explosion or injury.

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4SAFETY PRECAUTIONS

•Do not connetion 220V power to 24V products

-If you do not follow, It may cause fire, electric shock, explosion or injury.

•Do not connect power cord to the control signal connector.

-It may cause fire or explosion.

Operation

•Do not change or extend the power cord with your own discretion.

-It may cause fire or electric shock

•Do not place any heating device near the product.

-It may cause fire.

•Do not use any heating device near the power cord.

-It may cause fire or electric shock.

•Do not let water flow into the product.

-It may cause electric shock or failure.

•Do not put heavy weight on the power cord.

-It may cause fire or electric shock.

•Do not put heavy weight on the product.

-It may cause the failure of the product.

•If the product is flooded, consult the service center or the professional installation agency.

-It may cause fire or electric shock.

•Let the children or the old and the weak be controlled by the guardian to use.

-It may cause accident or failure.

•Do not give any shock to the product.

-Any shock to the product may cause failure.

•Grab the head of the plug of the power cord to pull when disconnecting the plug, and do not touch the plug with wet hands.

-It may cause fire or to deform the product.

•Do not use the product in certain environments as follows.

-If the product is used in a place with oil, steam, or sulfuric acid gas, performance may be degraded or product may be damaged.

•Do not press the switch or button with sharp objects.

-It may cause electric shock or failure of the product.

•Please check the operation temperature.

-If the product is used in an environment with the temperature exceeding the operation boundary, it may cause a severe damage.

Please check the usage temperature boundary in the manual. If there is no specified temperature, please use the product within the boundary of 0~40°C.

•Do not put a container, etc. with water on the product.

-It may cause fire or electric shock.

•Do not touch the switch with wet hand.

-It may cause electric shock or failure of the product.

•Please read installation and user manual for connection with PC or peripheral devices.

-It may cause fire or failure of the product.

•If a warning window appears on PC, product stops, or it does not work, immediately stop the usage.

-It may cause fire or failure of the product.

!CAUTION

Operation

•Do not use strong detergent such as solvent, but a soft cloth.

-It may cause fire or to deform the product.

•Please check the rated capacity of the power.

-It may cause fire or failure of the product.

						TABLE OF CONTENTS		5
		TABLE OF CONTENTS
2			TIPS FOR SAVING ENERGY		75	Installing the ACP in DIN RAIL
					76	Connecting RS-485 cable to the ACP
					76	Fixing the ACP to the wall
3			IMPORTANT SAFETY IN-		78	Connecting Ethernet cable (LAN cable) to
						the ACP
			STRUCTIONS		79	Before configuring the ACP environment
					79	Setting the ACP network address
6			ACP Functions and Specifi-		81	Entering into the environment setup mode
					82	How to set network address
			cation		84	Setting IP address
					85	Using dynamic IP using DHCP
	6		ACP Functions		86	Checking ACP access
8			ACP Components		88	Setting the functions of the ACP
9			Names of each part of ACP		88	Before setting the functions of the ACP
11			ACP Hardware Specification		89	Selecting Peak or Demand
					91	Selecting ACCS display language
12			Operating ACP with ACCS		92	Setting whether to use schedule function
					94	Setting whether to use the power display
						function
12			Review the initial ACCS screen
15			Controlling the Equipments		95	Setting whether to display error history
23			Ventilation Control Screen and unique fea-		96	Setting whether to display cycle informa-
			tures			tion
24			AWHP Control Screen and unique fea-		97	Setting whether to use FireAlarm function
			tures		98	Setting whether to use air conditioner
25			AHU Control Screen and unique features			0.5°C control function
26			Chiller Control Screen and unique features		98	Setting whether to use CH6 function
27			Setting the schedule		99	Software service function
33			Controlling the peak operation ratio		99	Software update
34			Indoor unit priority control method		102	Data backup
37			Outdoor unit capacity control method		104	Data recovery
40			Controlling demand power		106	RS-485 data logging
41			Indoor unit priority control method		107	Accessing ACP
43			Outdoor unit capacity control method		112	Input indoor/outdoor unit and ventilation
46			Monitoring the equipment status			equipment information
48			Reviewing the Error Log		112	When ACP is connected to AC Manager
51			Reviewing the power (power display inter-		113	When ACP is not connected to AC Man-
			face)			ager
54			Setting the system		117	Verifying and checking the ACP installa-
63			Indoor unit priority control setting			tion
64			Outdoor unit capacity control setting		119 NOTES
68			Additional functions
69			Installing ACP		119	Troubleshooting
					123	Guide to Open Source Software
69			Installing ACP
70			Check points during the ACP installation
71			Setting the indoor unit address
72			Setting the PI485 and connecting the
			cable
74			Installing ACP and connecting cables

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6	ACP FUNCTIONS AND SPECIFICATION

ACP FUNCTIONS AND SPECIFICATION

ACP (Advanced Control Platform) is the central controller that can manage up to 256 equipments in one space individually or as combined. ACP can monitor or control the equipments 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 Functions

Major functions of the ACP are as follows.

Environment setting function using the ACP external buttons

ACP can use the external buttons installed outside of the ACP to set the following functions.

-Set Network environment (IP address, Net mask, Gateway)

-Set the function to use between Peak/demand function

-Set the language to use in LG ACCS screen

-Set whether to use schedule function

-Set whether to use integrated power function

-Decide whether to use error history display function

-Decide whether to display outdoor freezing cycle related information

-SW upgrade function

-Data backup function

-Data recovery function

-RS-485 communication logging function

-Set CH6 for chiller interface (CH6 is not supported by PQCPC22A0 or PQCPC22N0.)

PQCPC22A0

PQCPC22A0

ACP Functions and Specification	7

Embedded web server function

Without an installation of a separate PC program, when IP address of ACP is input in the address window using Internet Explorer, the central control program in ACP web server is automatically run, and the functions of various contents can be used.

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Internet

PQCPC22A0

Internet

Explorer

- Controlling of up to 256 air conditioner indoor units

- Monitoring of error and operation status

- Controlling the peak power / demand power

ZOOQYRNQVXNQNQPQ

- System setting function

Devices that can interface with ACP

Device	Premium support	Standard support
AC Ez	O	O
Simple Central Controller	O	O
AC-Smart	O	O
AC Manager	O	O
Air Conditioner	O	O
Ventilation	O	O
AWHP	O	O
Fire Alarm	O	O
Chiller	O	X
AHU	O	X

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8	ACP Functions and Specification

ACP Components

Inside the packaged box of the ACP, there are the components as in the following drawing.

Open the packaged box of the ACP, and check if all of the corresponding components are included.

PQCPC22A0

ACP

(Advanced Control Platform)

	Power Supply Adaptor	Power Cord
	Input: 100~240V
	AC 50/60Hz 3.33A
	Output: DC 12V
	3.33A, 40W MAX

!NOTE

•Power Supply Adaptor and Power Cord are not included in PQCPC22A1 or PQCPC22N1.

Names of each part of ACP

ACP is composed as follows.

1

PQCPC22A0

ACP Functions and Specification	9

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2

6 8

3 5

PQCPC22A0

7 4

	9	10
11	12	13

! NOTE

• No. 3 and No. 4 may be different for each model.

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10 ACP Functions and Specification

1Cover

Front cover of the ACP

2RS-232 console port Reserved communication port

3Adaptor connection jack

Jack for DC 12V to connect to the power supply adaptor (not supported by PQCPC22A1 or PQCPC22N1.)

4Power port

AC24V port for power connection (not supported by PQCPC22A0 or PQCPC22N0)

5Buttons and LCD

Buttons and LCD to set network environment and to display other information

6Basic external input/output signal connectors

Connection ports to connect to external input/output signals (DI:2, DO:2)

7RS-485 communication port

RS-485 communication ports to connect to air conditioner and ventilation equipment (4 in total)

8Optional input/output and RS-485 communication port (not supported in Standard.) 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)

9Mini USB port

USB to Serial port for software debugging

10USB port

For software update and data backup

11Power switch

Switch to turn on or off the power of the ACP

12Ethernet port

Ethernet port to connect to internet and AC Manager

13SD card slot

For RS-485 communication data backup.

! CAUTION

If four times the power connector for the connection, as shown by using the right connection, but please note that an electric shock.

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

Connector manufacturers: PHOENIX CONTACT PartNo: MVSTBR 2,5 / 2-ST-5, 08 2P 5.00MM

ACP Functions and Specification 11

ACP Hardware Specification

ACP hardware specification is as follows.

	Category	Description
	Boundary of usage temperature	0°C~40°C
	CPU	i.MX515
		- 32Bit 800MHz speed
	RAM	128MB DDR2 SDRAM * 2EA
	ROM	4GB i-NAND Flash
		- Ethernet 10 / 100 BASE-T
		- USB : USB Host (SW upgrade, data backup)
	Communication ports	mini USB Device (Debug)
		- RS-485 communication ports 6EA
		- SD card slot (RS-485 communication logging)
		- RS-232 Console Port (HMI)
	External input/output ports	- DI, DO
	LED	27EA (RS communication status, Ethernet communication
		status, power status, operation status)
	LCD	20 ×4 Character-LCD (network environment setting and infor-
		mation display)

! NOTE

License policy

This product follows GPL (General Public License) for the use of Embedded Linux.

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12 Operating ACP with ACCS

Operating ACP with ACCS

LG ACCS is a UI program of web server that can operate ACP.

This chapter explains about the function and process to operate ACP using LG ACCS.

Review the initial ACCS screen

LG ACCS (Advanced Centralized Control System) is a program that is automatically run when you access to ACP web server. The user can control the ACP and the equipments using LG ACCS and monitor various status information.

When you access LG ACCS, the following LG ACCS program is executed.

1

2

Operating ACP with ACCS 13

1 Menu selection button

You can select the corresponding menu from the menu selection button to perform the functions such as control and monitoring, etc.

ACP has the following 9 menus.

Category	Description
	It can perform the functions of operation status change, lock all, lock tem-
	perature, etc. of the equipments connected to the ACP.
	It can start or stop the equipments connected to the ACP according to pre-
	set schedule.
	It can set the operation ratio of the entire air conditioner to set the peak
	operation ratio to prevent the operation ratio of the air conditioner from ex-
	ceeding the set value.
	It can use AC Manager to use peak control function.
	It can monitor the operation status and error status of the equipments con-
	nected to the ACP.
	It can review the error history occurred in the equipments connected to
	the ACP.
	It can review the power usage used by the equipments connected to the
	ACP.
	It can register, change, or delete the information of the equipments con-
	nected to the ACP.
	It can see the cycle information, etc. of the outdoor unit connected to the
	ACP. (only if maintenance contract is made with a maintenance company)
	Or, you can use the additional functions developed in the future.

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14 Operating ACP with ACCS

2 Peak operation ratio control, network status display window

The running status of peak operation ratio control mode and the air status of the network are displayed with the following icons.

Category	Icon	Description
Peak operation		It is displayed when it is in peak operation ratio control mode.
ratio		It is displayed when peak operation ratio control mode is turned
		off.
		It is displayed when error occurs during network connection.
Network con-		It is displayed when it is properly connected to the network and
nection status		operating.
		It is displayed when it is trying to connect to the network.

Operating ACP with ACCS 15

Controlling the Equipments

You can use LG ACCS to control the functions such as equipment grouping and selection, operation mode, air flow, air direction, lock, temperature adjustment and stop, etc. (Detail control menu is different for each equipment.)

LG ACCS control functions have the following advantages.

-With the central control type, you can manage all of the installed equipments using the computer screen.

-Operation and monitoring can be easily done.

-It can be integrated and managed through group setting.

Click ‘Control Group Air Conditioner’ menu at the top of LG ACCS to control the air conditioner. (This manual explains the air conditioner control as an example, and will explain only the unique features for other products.)

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1

2

3

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16 Operating ACP with ACCS

1 Air conditioner operation status window

In the air conditioner operation status window, operation status, operation mode, temperature of the space where the indoor unit is currently installed, and desired temperature of individual air conditioner are displayed.

Group name & Operation status lamp

At the top of the air conditioner operation status window, the name of the selected group and the status of individual air conditioner are displayed with the lamps.

The operation status of maximum of 16 air conditioners is displayed in one screen.

Lamp indicates the status of the air conditioner with the color of the lamp. The status of the air conditioner according to each color is as follows.

Lamp color	Status	Description
(Green)	On	It indicates that the air conditioner is operating normally.
(Gray)	Off	It indicates that the air conditioner is stopped.

Operating ACP with ACCS 17

Mode

In Mode, when the air conditioner is currently in operation, the mode operation is displayed with an icon.

The operation modes displayed on the screen are as follows.

Type		Icon		Description
				It is displayed when the air conditioner is currently in cooling operation.
				It is displayed when the air conditioner is currently in dehumidification op-
				eration.
				It is displayed when the air conditioner is currently in wind only operation.
Normal
Operation				It is displayed when the air conditioner is currently in heating operation.
State
				It is displayed when the air conditioner is currently in peak operation ratio
				control state.
				It is displayed when the air conditioner is currently in A/I operation.
				A/I(Artificial Intelligence) operation is the automatic operation function for
				the air conditioner sets the operation mode and air flow by itself according
				to the indoor temperature.
				It is displayed when an error occurred currently to the air conditioner.
Error State
				It is displayed when an error occurred currently due to the network.
Room Temp & Set Temp

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In the Room Temp, the temperature of the space where the air conditioner is currently installed is displayed.

But, if the error indicator lamp is on, the number of the current temperature indicates the error code, not the temperature.

The desired set in the air conditioner is displayed in the Set Temp. The Set Temp is not displayed during wind only or dehumidification operation, or in an error state. For ventilation equipment, Set Temp or Room Temp is not displayed. But, the Set Temp is displayed when the direct cooling type ventilation is set as the master.

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18 Operating ACP with ACCS

2 Air conditioner group and air conditioner selection window

In the air conditioner group and air conditioner selection window, the list of air conditioner groups and the air conditioners set in the system is displayed.

Also, you can select an air conditioner group or air conditioner for air conditioner control.

List of air conditioner groups and list of air conditioners

In 'group', the list of air conditioner group set in the ACP is displayed. If you select a particular air conditioner group, the list of the air conditioners that belong to the corresponding air conditioner group is displayed in ‘air conditioner’ on the right.

If you click the air conditioner group to select from the list, the corresponding group is selected, and if you click again, the selection of the corresponding group is cancelled. Also, if you click several groups, you can select several groups at the same time.

In 'air conditioner', the list of the air conditioners that belong to the particular air conditioner group in the ACP is displayed.

To select several air conditioners, drag with the mouse or select an air conditioner while pressing down ctrl key, or you can select using shift key.

Operating ACP with ACCS 19

3 Control & Monitoring Window

It displays the air conditioner control setting selected from the list of the air conditioner group and the air conditioner list to control.

Mode

The operation method of the air conditioner can be set at the mode. The modes to set are as follows:

Icon		Description
		It operates the cooling operation. The cooling operation can set the desired temper-
		ature to 18°C ~ 30°C
		Note: Setting the set temp
		Because too much cooling is harmful for health, set the suitable desired temperature.
		About 5°C is better for the difference between the indoor temperature and the outdoor tem-
		perature. If the set temp is higher than the indoor temperature during the cooling operation,
		it does not operate the cooling operation, but the wind only operation.
		It drives the heating operation. The heating operation can set the desired tempera-
		ture to 18°C ~ 30°C
		Note: Setting the set temp
		The excessive heating is harmful for the health, so set the suitable desired temperature.
		About 5°C is better for the difference between the indoor temperature and the outdoor tem-
		perature. If the set temp is lower than the indoor temperature during the heating operation,
		it does not operate the heating operation, but the ventilation.
		The dry eliminates moisture. It can effectively eliminate moisture during the rainy
		season or at the high humidity condition. When it is selected, the desired tempera-
		ture cannot be set.
		It circulates the fresh air. The ventilation only may be used in Spring and Autumn.
		When it is selected, the desired temperature cannot be set.
		AI operation automatically maintains the indoor temperature at its optimal state ac-
		cording to the indoor temperature.

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20 Operating ACP with ACCS

Fan Speed

It controls the air flow. The types of air flow to set are as follows:

Air flow	Description

It sets to ventilate with a small of air flow.

It sets to ventilate at the medium level of air flow.

It sets to ventilate at the high level of air flow.

It sets to automatically ventilate at the suitable level of air flow for the environment with the indoor unit installed.

It sets to ventilate with the maximum air flow.

(It only appears when ventilation product is selected.)

Auto Swing

It sets the air direction of the current air conditioner to Up & down or Left & right.

Icon	Description

It executes the air direction operation of the air conditioner.

It stops the air direction operation of the air conditioner.

Operating ACP with ACCS 21

Lock

It sets the lock function of the air conditioner. When the lock function is set, the air conditioner cannot be controlled by the wireless or wired remote controller. Use the lock function not for the user individually, but to centrally control the air conditioner.

Type	Icon	Description
	Control not to set the temperature by using the wireless or wired remote controller.
Temp Lock		Set the Temp Lock.
		Deselect the set Temp Lock.
	Control not to change the mode using the wireless or wired remote controller.
Mode lock		Set the mode lock.
		Deselect the mode lock.
	Control not to set the entire function of the air conditioner by using the wireless or
	wired remote controller.
All Lock
		Set the All Lock function for the entire air conditioner.
		Deselect the set All Lock function.
Set Temp

Set the desired indoor temperature of the air conditioner.

The desired temperature can be set by clicking ▲ button or ▼ button.

The desired temperature can be set for both the cooling and the heating with the range of 18°C~30°C.

Click (°C) symbol to switch to (°F) for displaying the temperature. The Set Temp can be set in Fahrenheit with the range of 64°F~86°F.

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22 Operating ACP with ACCS

Temp. Range

Set the maximum/minimum temperature limit of the indoor where air conditioner is installed. The maximum/minimum temperature can be set by clicking ▲ button or ▼ button.

The maximum temperature can be set with the range of 18°C~30°C, and the minimum temperature can be set with the range of 16°C~30°C.

Maximum temperature cannot be lower than the minimum temperature.

! CAUTION

Desired temperature & temperature limit

•The desired temperature is automatically changed when temperature limit range is changed to prevent going outside the temperature limit range.

•Since the desired temperature range is 18°C~30°C, even if the minimum temperature of temperature limit is 16°C, the desired temperature cannot go under 18°C.

Running & Stopping the operation

Click Run or Stop button to start or stop the air conditioner.

Button Description

Operate the air conditioner according to the set value.

Stop the operating air conditioner.

! NOTE

When a stopped indoor unit does not perform the central control command

•Some old model indoor units may not follow the central control command while it is not in operation.

•Therefore, you can order while it is in operation.

•For example, to change the set temperature and air direction of a stopped indoor unit, the set temperature and air direction of the corresponding indoor unit may not be changed. In such case, if you change the set temperature and air direction while the corresponding indoor unit is in operation, it will be reflected properly to the indoor unit.

•With the same principle, for some indoor units, when the indoor unit in cooling operation with set air direction is stopped, the air direction is stopped. And if the user starts the corresponding indoor unit without setting air direction, the Auto Swing still remains at stopped state.

Operating ACP with ACCS 23

Ventilation Control Screen and unique features

Unique features

	Heat	Set both air intake and discharge to ventilate through electric heat ex-
		changer. (It is used in Summer/Winter when there is a big difference of
	Exchange
		temperature and humidity between indoor and outdoor.)
Mode		Measure the temperature of indoor and outdoor and automatically set
	Normal	the temperature to maintain the optimal state. (It automatically controls
		air intake and discharge to maintain uniform balance of the indoor air.)
		Set the discharged air to ventilate without going through electric heat
	Auto	exchanger. (It is used in Spring/Fall when there is a small difference of
		temperature and humidity between indoor and outdoor.)
	Power sav-	Execute the power saving operation function. (Power saving operation
		operates by finding the most efficient state of the ventilation equipment
	ing	to save power consumption.)
		Execute Quick ventilation function. (Rapid ventilation is the operation to
Options	Quick	prevent the contaminated air or humidity of one room from spreading to
		another room.)
	Heater	Execute heater function. (Heater function is the operation to supply
		warm air during Winter when the air outside is cold.)
	Humid	Execute Humid function. (Humidification function is the operation to in-
		crease humidity when the air is too dry.)

Humid can only be turned on when the operation mode of the direct cooling type ventilation is in heating mode.

! NOTE

Additional function

• Additional function may not be included in some products.

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24 Operating ACP with ACCS

AWHP Control Screen and unique features

Unique features

Heat tank: Turn on/off the Heat tank function of AWHP.

Current temp: Display the current temperature of AWHP.

(It displays water in temperature, room temperature, heat tank supply temperature, and solar heating temperature.)

Room Set temp: Set the Room Set temp of AWHP.

(If operation mode is cooling, the setting range is 16~30°c, and if operation mode is heating, the setting range is 18~30°c.)

Heat tank Set temp: The temperature setting range may be different for each product. Please refer to the manual of each product.

! NOTE

Additional function

• Additional function may not be included in some products.

Operating ACP with ACCS 25

AHU Control Screen and unique features

Unique features

Mode power saving: Operate in power saving mode to save electricity usage.

Damper angle: Set the damper opening angle of each of OA, EA, and MIX of AHU. (The setting range of OA, EA, and MIX is 0~90.)

Set temp: Set the desired temperature of AHU. (Setting range is 18~30°c.)

Set humidity: Set the desired humidity of AHU. (Setting range is 40~60%.)

! NOTE

Additional function

• Additional function may not be included in some products.

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26 Operating ACP with ACCS

Chiller Control Screen and unique features

Unique features

Alarm: Display cycle number and error number of the Chiller with error.

Setting: Set cooling temperature, heating temperature, and demand limit ratio of Chiller. (Setting range of cooling temperature is 5~15°c, setting range of heating temperature is 40~55°c, and setting range of demand limit ratio is 0~140%.)

Setting: Set cooling temperature, heating temperature, and demand limit ratio of Chiller.

(If the operation mode is cooling, setting range is 16~30°c, and if the operation mode is heating, setting range is 18~30°c.)

Chilled Water: Display Leaving, Entering, and ambient of the Chiller.

! NOTE

Additional function

• Additional function may not be included in some products.

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Setting the schedule

It is the function to perform the reserved operation at the specified time by specifying the operation of the air conditioner. For example, for the case of the school, the air conditioner automatically starts and stops at the specified time by setting the schedule to attending school and returning home.

The unnecessary operation and management cost of the air conditioner can be reduced by this schedule function, and it can effectively save the energy because it is used only when necessary. Schedule can be set by logging in as super user or manager.

! CAUTION

Saving after the system setup

•When ‘group setting completed’ button is pressed in ‘system setting’ menu, all schedule information currently set will be initialized, so be careful.

Time of ACP

•When a user access ACP through web browser, the time of PC and ACP are automatically synchronized, and ACP executes schedule function based on this time. Therefore, always maintain the time of PC to be the current time.

! NOTE

Schedule maintenance time

•When setting the schedule, 1~3 minute schedule setting is maintained for time the actual schedule is set.

•For example, when you set the schedule for the unit to be turned off at 5:00, the operation is turned off from 5:00 to 5:03. Therefore even when you try to operate the unit with the wired remote controller, it may be turned off.

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28 Operating ACP with ACCS

To set the schedule, click ‘Schedule’ menu at the top of LG ACCS. When you click ′Schedule′ menu, the schedule setting screen appears as follows.

1

2

3

1Calendar window

Basically, this month’s calendar is displayed, and today is highlighted.

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2 Schedule list
The entire list of the set schedule is displayed. If you select certain day from the calendar,

If you select a schedule from the schedule list, the contents of the schedule are displayed as in the following screen.

If a schedule saved with different manager ID is selected, the schedule name is displayed in red as in the following screen.

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30 Operating ACP with ACCS

3Command button

Each button has the following meanings.

	Button	Description
	Query/Modify	Show the contents of the selected schedule and display a new window for
		edition
	Add	Add a new schedule
	Delete	Delete the selected schedule

Add

When add schedule button is pressed, the following screen appears.

!CAUTION

•Please be aware that, if the schedule for the same equipment is registered with different control commands for the same time, schedule may not run properly.

Example) Schedule1: 2011. 1. 1 1PM Indoor No. 00, 01, & 02 Cooling mode

Schedule2: 2011. 1. 1 1PM Indoor No. 00, 01, & 02 Heating mode

Schedule3: 2011. 1. 1 1PM Indoor No. 00, 01, & 02 Automatic mode

•As above, if 3 duplicate schedules are applied, any schedule can be applied to each of the equipment.