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AIR CONDITIONING & HVAC UNITS

LG ARNU12GTRB4

UK configuration

Exact manufacturer unit purpose
Ceiling Cassette (Standard), 4 Way, 12kBTU
Manufacturer heating capacities at separate operating points
4.00 kW
Manufacturer cooling capacities at separate operating points
3.60 kW

LG ARNU12GTRB4 in the exact manufacturer-listed UK configuration.

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THE ACTUAL PRODUCT
Front view of Ceiling Cassette (Standard), 4 Way, 12kBTU ARNU12GTRB4
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with LG ARNU12GL5G4

Specifications checked 20 Oct 2026Manufacturer specifications, not a hands-on test.

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Exact manufacturer unit purpose
Concealed Duct, Low Static Duct, 12kBTUThis one: Ceiling Cassette (Standard), 4 Way, 12kBTU
Manufacturer sound declarations and measurement methods
- / 29.0 / 27.0 / 25.0; - / 29.0 / 27.0 / 25.0; - / 35.1 / 32.7 / 30.7; - / 35.1 / 32.7 / 30.7This one: - / 32 / 30 / 27; - / 32 / 30 / 27; - / 51 / 48 / 45; - / 51 / 48 / 45
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Exact manufacturer unit purpose
Console, Indoor Unit, 12kBTUThis one: Ceiling Cassette (Standard), 4 Way, 12kBTU
Manufacturer sound declarations and measurement methods
- / 39 / 34 / 28; - / 39 / 34 / 28; - / 56 / 50 / 44; - / 56 / 50 / 44This one: - / 32 / 30 / 27; - / 32 / 30 / 27; - / 51 / 48 / 45; - / 51 / 48 / 45
Front view of Ceiling Cassette, 2 Way, 12kBTU ARNU12GTSC4LG ARNU12GTSC4UK manufacturer configuration · ARNU12GTSC4
Exact manufacturer unit purpose
Ceiling Cassette, 2 Way, 12kBTUThis one: Ceiling Cassette (Standard), 4 Way, 12kBTU
Manufacturer sound declarations and measurement methods
- / 34 / 32 / 29; - / 34 / 32 / 29; - / 44 / 42 / 40; - / 44 / 42 / 40This one: - / 32 / 30 / 27; - / 32 / 30 / 27; - / 51 / 48 / 45; - / 51 / 48 / 45
The useful part.

Key strengths

The official LG UK page identifies manufacturer model ARNU12GTRB4.

The checks that matter.

Before you buy

Manufacturer claims do not establish independently measured performance, current retailer stock or price. Unlisted specifications remain explicitly unknown.

Every specification. With its source.

Full specifications

Exact configuration: UK manufacturer configuration · ARNU12GTRB4

18 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 7 rows repeat listed facts in the manufacturer’s own wording, kept under “Manufacturer wording”.

Heating, cooling & efficiency

3 items
Manufacturer efficiency declarations and source methods
Not listed by the manufacturer

The captured manufacturer specification table does not list an unambiguous manufacturer efficiency declarations and source methods. No value is inferred.

Source
HEATING CAPACITY — Nominal (kW)
4.00Source
COOLING CAPACITY — Nominal (kW)
3.60Source
Manufacturer wording (2)

The same facts in the manufacturer’s combined or original wording, each with its source.

Manufacturer heating capacities at separate operating points
4.00 kW

Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. HEATING CAPACITY — Nominal (kW): 4.00. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

Source
Manufacturer cooling capacities at separate operating points
3.60 kW

Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. COOLING CAPACITY — Nominal (kW): 3.60. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

Source

Refrigerant & circuit

1 item
Manufacturer refrigerant type
Not listed by the manufacturer

The captured manufacturer specification table does not list an unambiguous manufacturer refrigerant type. No value is inferred.

Source

Electrical supply & consumption

2 items
POWER SUPPLY — #1
50 Hz 220-240 V~Source
POWER SUPPLY — #2
60 Hz 220 V~Source
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Manufacturer electrical supply requirements
50 Hz 220-240 V~; 60 Hz 220 V~

Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. POWER SUPPLY — #1: 50 Hz 220-240 V~; POWER SUPPLY — #2: 60 Hz 220 V~. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

Source

Installation, dimensions & airflow

8 items
Exact manufacturer unit purpose
Ceiling Cassette (Standard), 4 Way, 12kBTU

Exact manufacturer Product heading. Official current catalogue classes: VRF System. Indoor, outdoor, hydro and whole-package purposes are not substituted for one another.

Source
INDOOR FAN — Air Flow Rate(Cooling,(SH)/H/M/L) (m³/min)
- / 8.7 / 8.0 / 7.0Source
DRAIN PIPE(USING DRAIN PUMP) — O.D / I.D (mm(inch))
25(1)Source
PRODUCT — Type
Ceiling CassetteSource
DIMENSIONS — Net(W x H x D) (mm)
570 x 214 x 570Source
WEIGHT — Net (kg)
13.7Source
CONNECTING PIPE — Liquid (mm(inch))
Φ6.35 (1/4)Source
CONNECTING PIPE — Gas (mm(inch))
Φ12.7 (1/2)Source
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Manufacturer dimensions and configuration basis
570 x 214 x 570 mm

Original units, axes and stand/component/handle basis retained. No packaging dimension or unstated unit is substituted. Manufacturer section: DIMENSIONS. Source field: Net(W x H x D) (mm).

Source

Operating conditions & sound

3 items
Manufacturer operating ranges and conditions
Not listed by the manufacturer

The captured manufacturer specification table does not list an unambiguous manufacturer operating ranges and conditions. No value is inferred.

Source
SOUND PRESSURE LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A))
- / 32 / 30 / 27Source
SOUND POWER LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A))
- / 51 / 48 / 45Source
Manufacturer wording (3)

The same facts in the manufacturer’s combined or original wording, each with its source.

Manufacturer sound declarations and measurement methods
- / 32 / 30 / 27; - / 32 / 30 / 27; - / 51 / 48 / 45; - / 51 / 48 / 45

Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND PRESSURE LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A)): - / 32 / 30 / 27; SOUND PRESSURE LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A)): - / 32 / 30 / 27; SOUND POWER LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A)): - / 51 / 48 / 45; SOUND POWER LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A)): - / 51 / 48 / 45. Heating/cooling output is separate from electrical consumption and supply. Sound power and sound pressure remain separately labelled in the original rows. No COP/SCOP/EER/SEER conversion, seasonal average or ranking is calculated.

Source
SOUND PRESSURE LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A))
- / 32 / 30 / 27Source
SOUND POWER LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A))
- / 51 / 48 / 45Source

Model, type & source

1 item
DECORATION PANEL — Model Name
PT-UQC, PT-QCHW0Source
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