LG A2UW18GFAC Manuale utente

Heat Pump

R410A(60Hz)

0CIM0-04A (Replaces 0CIM0-03A)

P/No. : MFL67502710

MULTI

Outdoor Unit

General information

Multiple piping type

Installation of Outdoor Units

General information

MULTI

Outdoor Unit

1.Model Line Up

2.Nomenclature

3.External Appearance

4.Indoor Unit and Outdoor Unit Capacity Index

MULTI Outdoor Unit General information

1. Model line up

■Multiple piping type (1 phase)

Note

All product data are based on buyer model name.

Nominal Capacity(kW) 4.7 6.2 7.0

Model Name A2UW18GFAC

[A2UW18GFAC]

A3UW21GFAC

[A3UW21GFAC]

A3UW24GFA3

[A3UW24GFA3]

No.of connectable indoor units Max.2 Max.3 Max.3

Total capacity index of

connectable indoor units kBtu/h 24 30 36

Power supply 220V, 1Ø, 60Hz

Chassis

Nominal Capacity(kW) 7.9 10.3 14.0

Model Name A4UW30GFA2

[A4UW30GFA2]

A5UW36GFA2

[A5UW36GFA2]

A5UW48GFA1

[A5UW48GFA1]

No.of connectable indoor units Max.4 Max.5 Max.5

Total capacity index of

connectable indoor units kBtu/h 51 54 72

Power supply 220V, 1Ø, 60Hz

Chassis

MULTI Outdoor Unit General information

2. Nomenclature

Outdoor Units

Model Name A5U W 36 G F A 2

No. 1234567

No. Signification

Indicates that this is multi system outdoor unit using R410A

Ex) A5U : Connectable max. 5 indoor units

A9U : Connectable max. 9 indoor units

2Model type

W : DC inverter heat pump

Cooling/heating capacity

Ex) 24,000 Btu/h Class → '24', 36,000 Btu/h Class → '36'

4Electrical rating

G : 220V, 1Ø, 60Hz

5Multi type

F : Free joint multi type

6Function

A : Basic

7Serial number

MULTI Outdoor Unit General information

3. External Appearance

LG multi system provides various indoor units such as wall mounted, ceiling cassette, ceiling concealed duct, etc.

■MULTI F

Outdoor unit Indoor unit

※According to line up of each region,

external appearance could be dierent.

MULTI Outdoor Unit General information

4. Indoor Unit and Outdoor Unit Capacity Index

4.1 Selection procedure

■Outdoor units selection

In general, outdoor unit may be selected as follows, though the location of the unit, and usage of the room, etc.

should be considered.

The combination of indoor and outdoor unit was to be decided that the sum of indoor unit capacity index should

be smaller than the max. combination capacity of outdoor unit. Up to Max.9 indoor units can be connected to one

outdoor unit. It is recommended to choose a large capacity outdoor unit if the installation space is large enough.

MULTI Inverter (1 phase)

■Indoor units selection

Look up the table on combination of indoor and outdoor unit, and determine the appropriate indoor unit capacity

which satisfies the given thermal load.

For proper system operation, refer to the following:

1. At least 2 indoor units should be connected to outdoor unit.

2. Total capacity of indoor units connected should be minimum 40% of outdoor unit rated capacity.

3. Calculation method for the connectable total capacity of indoor unit sum up the capacity of indoor unit, but high

static duct type indoor unit capacity weights 1.3 times.

Note

All product data are based on buyer model name.

Nominal Capacity(kW) 4.7 6.2 7.0

Global model name A2UW18GFAC

[A2UW18GFAC]

A3UW21GFAC

[A3UW21GFAC]

A3UW24GFA3

[A3UW24GFA3]

Rated capacity

(kW)

Cooling 4.69 6.15 7.03

Heating 5.28 6.15 7.91

Connectable

indoor units

Number of indoor units Max. 2 Units Max. 3 Units Max. 3 Units

Maximum Total Capacity Index (kBtu/h) 24 30 36

Nominal Capacity(kW) 7.9 10.3 14.0

Global model name A4UW30GFA2

[A4UW30GFA2]

A5UW36GFA2

[A5UW36GFA2]

A5UW48GFA1

[A5UW48GFA1]

Rated capacity

(kW)

Cooling 7.91 10.26 14.01

Heating 9.09 10.55 14.65

Connectable

indoor units

Number of indoor units Max. 4 Units Max. 5 Units Max. 5 Units

Maximum Total Capacity Index (kBtu/h) 51 54 72

Indoor Unit

Model Name -07G- -09G- -12G- -18G- -24G-

Capacity Index

(kBtu/h) 7 9 12 18 24

MULTI Outdoor Unit

4. Indoor Unit and Outdoor Unit Capacity Index

General information

4.2 Combination of indoor and outdoor unit

The total capacity index of indoor units is the sum of capacity index of each units and should be within the capacity

index of the outdoor unit.

Nominal Capacity of Outdoor Unit

MULTI F

4.7 kW 6.2 kW 7.0 kW / 7.9 kW / 10.3 kW /

14.0 kW

Indoor Unit Type Indoor Unit Capacity

Index (kBtu/h) Connectable Indoor Units

Wall mounted

7O O O

9O O O

12 O O O

18 - O O

24 - - O

ART COOL Mirror

7O O O

9O O O

12 O O O

18 - O O

24 - - O

Ceiling Cassette (1-way)

9O O O

12 O O O

18 - O O

Ceiling Concealed Duct

(Low Static Pressure)

9O O O

12 O O O

18 - O O

24 - - O

Multiple piping type

MULTI

Outdoor Unit

1.List of Functions

2.Specifications

3.Dimensions

4.Combination Table

5.Capacity Tables

6.Capacity Correction Factor

7.Electrical Characteristics

8.Operation Range

9.Piping Diagrams

10.Wiring Diagrams

11.Sound Levels

MULTI Outdoor Unit Multiple piping type

1. List of functions

Basic functions of Outdoor Unit

Accessory Compatibility List

Category Functions A2UW18GFAC

A3UW21GFAC

Reliability

Defrost / Deicing O

High pressure switch X

Phase protection X

Restart delay (3-minutes) O

Self diagnosis O

Soft start O

Convenience

Night Low Noise Operation O

Wiring Error Check O

Peak Control O

Mode Lock O

Forced Cooling Operation (Outdoor Unit) O

SLC (Smart Load Control) X

Note

1. O : Applied, X : Not applied

Accessory : Ordered and purchased separately the accessory package referring to the model name provided and install at field.

Accessory line-ups varies by region, so check your local catalogue or local sales material.

Category Product Etc A2UW18GFAC

A3UW21GFAC

Central Controller

Simple PQCSZ250S0 AC EZ X

AC Ez Touch PACEZA000 AC Ez Touch X

AC Smart PACS5A000 AC Smart 5 X

ACP PACP5A000 ACP 5 X

AC Manager2) PACM5A000 AC Manager 5 X

Gateway

ODU PI485 PMNFP14A1 PI 485 Gateway X

BACnet PQNFB17C0 ACP BACnet X

Lonworks PLNWKB000 ACP Lonworks X

ETC PDI PPWRDB000 PDI Standard X

PQNUD1S40 PDI Premium X

Note

1. O: Possible, X: Impossible, - : Not applicable

2. * : Some advanced functions controlled by individual controller cannot be operated.

3. 2) : ACP or AC Smart is needed.

4. Compatibility of individual controller(wireless/wired remote controller) could be found with function list on Indoor Unit’s PDB.

5. If you need more detail, please refer to the BECON PDB or the manual of product.

(http://partner.lge.com/global : Home> Doc.Library> Product > Control(BECON))

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