LG ARNU053TRD4 Multi VTM Four Way 2 x 2 Ceiling Cassette Instructions

: May 15, 2024
: LG

LG ARNU053TRD4 Multi VTM Four Way 2 x 2 Ceiling Cassette

LG ARNU053TRD4 Multi VTM Four Way 2 x 2 Ceiling
Cassette

INSTRUCTION MANUAL

ARNU053TRD4
Multi V™ Four-Way 2′ x 2′ Ceiling Cassette
5,500 Btu/h Indoor Unit

OVERVIEW

(Keep this distance between the bottom surface of body and Ceiling Surface)

No.	Part Name	Description
12	Outside Air Intake Hole	Knock-out type
11	Flexible Drain Hose	Supplied with product
10	Decoration Corner Display Cover	Supplied with panel
9	Decoration Corner Cover	Supplied with panel
8	Decoration Panel (Accessory)	PT-0AGWO
7	Air Outlet	–
6	Air Intake	–
5	Wired remote controller wire routing hole	–
4	Power and Communication cable routing hole	–
3	Drain Pipe Connection	–
2	Liquid Pipe Connection	–
1	Vapor Pipe Connection	–

SYMBOLS

Note:

1. Unit should be installed in compliance with the installation manual.
2. Unit should be grounded in accordance with the local regulations or applicable national codes.
3. All electrical components and materials to be supplied from the site must comply with the local regulations or international codes.

Performance:

Cooling Capacity (Btu/h)1	5,500
Heating Capacity (Btu/h)1	6,100
L/M/H Power Input at Factory Default (W)	11/12/13

Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice. Current
certified ratings are available at www.ahridirectory.org.

Electrical:

Power Supply (V/Hz/Ø)	208-230/60/1
Rated Amps	0.2

Piping:

Refrigerant
Liquid Line (in., O.D.): 1/4 Flare
Vapor Line (in., O.D.): 1/2 Flare
Condensate
Condensate Line (in., I.D.): 1
Factory Installed Pump2; Yes

Controls Features:

• Auto changeover (Heat Recovery only)
• Auto operation
• Auto restart
• Dual thermistor control
• Dual setpoint control
• Timer (on/off)
• Weekly schedule
• Auto direction/ swing (up/down)
• Swirl wind (alternating vanes)
• Fan speed control
• Jet cool (fast cooling)
• Filter life display
• Multiple auxiliary heater applications
• Child lock
• Group control
• High ceiling
• Hot start
• Self diagnostics
• External on/off control
• Wi-Fi compatible
• Auto fan
• Leak detection

Required Accessories:

Panel (24-13/32″ x 24-13/32″) – PT-QAGW0

Optional Accessories:

Ventilation Flange ‐ PTVK430
Wireless Remote Controller – PWLSSB21H
MultiSITE™ CRC2 Controller ‐ PREMTBVC2
MultiSITE CRC2+ Controller ‐ PREMTBVC3
MultiSITE CRC2+Z Controller ‐ PREMTBVC4
Simple Remote Controller – PREMTC00U
Standard III Remote Controller (White Housing) – PREMTB100
Standard III Remote Controller (Black Housing) – PREMTBB10
Deluxe Remote Controller – PREMTA201
Remote Temperature Button Sensor ‐ ZRTBS01
Simple Dry Contact (1 contact, 24 VAC external power) ‐ PDRYCB100
Dry Contact for Third Party Thermostat5 ‐ PDRYCB320
Dry Contact for Economizer ‐ PDRYCB400
Auxiliary Heater Kit5 ‐ PRARH1
Wi-Fi Module – PWFMDD200

Entering Mixed Air:

Cooling Maximum1 (°F WB): 76
Heating Minimum (°F DB): 59

Unit Data:

Refrigerant Type	R410A
Refrigerant Control	EEV
Sound Pressure dB(A) (H/M/L)3	29 / 27 / 26
Sound Power dB(A) (H)4	46
Standard Filter Type	Washable
Unit Net Weight (lbs.)	29
Unit Shipping Weight (lbs.)	34
Panel Net Weight (lbs.)	7
Panel Shipping Weight (lbs.)	11

Fan:

Type	Turbo
Quantity	1
Motor/Drive	Brushless Digitally Controlled/Direct
Motor Quantity	1
Air Flow Rate H/M/L (CFM)	265 / 247 / 212

Notes:

1. See Engineering Manual for sensible and latent capacities.
2. Maximum lift is 27-9/16 inches from bottom of unit.
3. Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
4. Sound Power levels are tested in a reverberation chamber under ISO Standard 3741.
5. If a Third-Party Dry Contact and an LG internal heater or an LG Auxiliary Heater Kit is installed, supplemental heat capability cannot be controlled by the Third-Party Thermostat.
6. Communication cable between (main) outdoor unit to indoor units / heat recovery units to be 18 AWG, 2-conductor, twisted, stranded, shielded. Ensure the communication cable shield is properly grounded to the (main) outdoor unit chassis only. DO NOT ground the outdoor unit to indoor units / heat recovery units communication cable at any other point. Wiring must comply with all applicable local and national codes.
7. Power wiring is field provided, and must comply with the applicable local and national codes.
8. This unit comes with a dry nitrogen charge.
9. All capacities are net with a combination ratio between 95 – 105%.
10. Must follow installation instructions in the applicable LG installation manual.

Specifications

Model: ARNU053TRD4
Product Name: Multi V™ Four-Way 2′ x 2′
Ceiling Cassette
Cooling Capacity: 5,500 Btu/h
Heating Capacity: 6,100 Btu/h
Power Input: 11 / 12 / 13 W (L/M/H)
Electrical: 208-230V, 60Hz, 1 phase
Refrigerant: R410A
Sound Pressure Level: 29 / 27 / 26 dB(A)
(H/M/L)
Sound Power Level: 46 dB(A) (H)
Fan Air Flow Rate: 265 / 247 / 212 CFM
(H/M/L)

Installation

Ensure the unit is securely mounted on the ceiling following the manufacturer’s guidelines.
Connect the refrigerant liquid and vapor lines as specified in the manual.
Install the required accessories such as the panel for optimal performance.

Operation

Power on the unit and select the desired mode (cooling or heating).
Adjust the temperature and fan speed using the provided controls.
Maintain the unit by cleaning or replacing filters regularly.

Maintenance

Regularly clean the unit and ensure proper drainage of condensate.
Schedule professional maintenance checks at least once a year.

FAQ

Q: Can I install additional heating elements to supplement heat?

A: If a Third-Party Dry Contact and an LG internal heater or an LG Auxiliary Heater Kit is installed, supplemental heat capability cannot be controlled by the Third-Party Thermostat.

Q: How do I ensure proper communication cable installation?

A: The communication cable between outdoor units and indoor units/heat recovery units should be 18 AWG, 2-conductor, twisted, stranded, shielded. Ensure proper grounding of the communication cable shield to the outdoor unit chassis only.

For a complete list of available accessories, contact your LG representative.
For continual product development, LG reserves the right to change specifications without notice.