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AIR CONDITIONING & HVAC UNITS

LG ARNU18GTTB4

UK configuration

Exact manufacturer unit purpose
Ceiling Cassette, 1 Way, 18kBTU
Manufacturer heating capacities at separate operating points
6.30 kW
Manufacturer cooling capacities at separate operating points
5.60 kW

LG ARNU18GTTB4 in the exact manufacturer-listed UK configuration.

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THE ACTUAL PRODUCT
Front view of Ceiling Cassette, 1 Way, 18kBTU ARNU18GTTB4
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with LG ARNU18GL5G4

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

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Front view of Concealed Duct, Low Static Duct, 18 kBTU ARNU18GL5G4LG ARNU18GL5G4UK manufacturer configuration · ARNU18GL5G4
Exact manufacturer unit purpose
Concealed Duct, Low Static Duct, 18 kBTUThis one: Ceiling Cassette, 1 Way, 18kBTU
Manufacturer sound declarations and measurement methods
- / 42.1 / 38.4 / 35.1; - / 42.1 / 38.4 / 35.1; - / 35.0 / 32.0 / 29.0; - / 35.0 / 32.0 / 29.0This one: - / 55 / 51 / 47; - / 55 / 51 / 47; - / 40 / 37 / 35; - / 40 / 37 / 35
The useful part.

Key strengths

The official LG UK page identifies manufacturer model ARNU18GTTB4.

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 · ARNU18GTTB4

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
COOLING CAPACITY — Nominal (kW)
5.60Source
HEATING CAPACITY — Nominal (kW)
6.30Source
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
6.30 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): 6.30. 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
5.60 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): 5.60. 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, 1 Way, 18kBTU

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

Source
DIMENSIONS — Net(W x H x D) (mm)
1180 x 132 x 450Source
WEIGHT — Net (kg)
15.3Source
CONNECTING PIPE — Liquid (mm(inch))
Φ9.52 (3/8)Source
CONNECTING PIPE — Gas (mm(inch))
Φ15.88 (5/8)Source
DRAIN PIPE(USING DRAIN PUMP) — O.D / I.D (mm(inch))
25(1)Source
INDOOR FAN — Air Flow Rate(Cooling,(SH)/H/M/L) (m³/min)
- / 13.3 / 12.1 / 10.9Source
PRODUCT — Type
Ceiling CassetteSource
Manufacturer wording (1)

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

Manufacturer dimensions and configuration basis
1180 x 132 x 450 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 POWER LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A))
- / 55 / 51 / 47Source
SOUND PRESSURE LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A))
- / 40 / 37 / 35Source
Manufacturer wording (3)

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

Manufacturer sound declarations and measurement methods
- / 55 / 51 / 47; - / 55 / 51 / 47; - / 40 / 37 / 35; - / 40 / 37 / 35

Each declaration has its own manufacturer operating point, component, measurement method or electrical basis. They are not equivalent unqualified figures. SOUND POWER LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A)): - / 55 / 51 / 47; SOUND POWER LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A)): - / 55 / 51 / 47; SOUND PRESSURE LEVEL (INDOOR UNIT) — Cooling((SH)/H/M/L) (dB(A)): - / 40 / 37 / 35; SOUND PRESSURE LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A)): - / 40 / 37 / 35. 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 POWER LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A))
- / 55 / 51 / 47Source
SOUND PRESSURE LEVEL (INDOOR UNIT) — Heating((SH)/H/M/L) (dB(A))
- / 40 / 37 / 35Source

Model, type & source

1 item
DECORATION PANEL — Model Name
PT-UUC(Grill), PT-UTD(Panel)Source
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