LG ARNU073TRD4 Multi VTM Four Way Ceiling Cassette Owner’s Manual
- July 27, 2024
- LG
Table of Contents
ARNU073TRD4 Multi VTM Four Way Ceiling Cassette
Job Name/Location:……………………..
Tag No.:…………………………………….
Date:…………………………………….
PO No.:…………………………………….
For:…………………………………….
File…………………………………….
Resubmit………………………………
Approval………………………………..
Other…………………………………….
Architect:……………………………….
GC:…………………………………….
Engr:…………………………………….
Mech:…………………………………….
Rep:…………………………………….
(Company) (Project Manager)
ARNU073TRD4
Multi V™ Four-Way 2′ x 2′ Ceiling Cassette
7,500 Btu/h Indoor Unit
Performance:
| Cooling Capacity (Btu/h)1 | 7,500 |
|---|---|
| Heating Capacity (Btu/h)1 | 8,500 |
| 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 | 0.20 |
Piping:
Refrigerant|
---|---
Liquid Line (in., O.D.)| 1
Vapor Line (in., O.D.)| Yes
Condensate|
Condensate Line (in., I.D.)| 1/4 Flare
Factory Installed Pump2| 1/2 Flare
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 Thermostat 5 – PDRYCB320
- Dry Contact for Economizer – PDRYCB400
- Auxiliary Heater Kit 5- PRARH1
- Wi-Fi Module – PWFMDD200
Entering Mixed Air:
| Cooling Maximum1 (°F WB) | 76 |
|---|---|
| Heating Minimum (°F DB) | 59 |
Unit Data:
| Refrigerant Type | 29 / 27 / 26 |
|---|---|
| Refrigerant Control | R410A |
| Sound Pressure dB(A) (H/M/L)3 | EEV |
| Sound Power dB(A) (H)4 | Washable |
| Standard Filter Type | 46 |
| 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:
- See Engineering Manual for sensible and latent capacities.
- Maximum lift is 27-9/16 inches from bottom of unit.
- Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
- Sound Power levels are tested in a reverberation chamber under ISO Standard 3741.
- 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.
- 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.
- Power wiring is field provided, and must comply with the applicable local and national codes.
- This unit comes with a dry nitrogen charge.
- All capacities are net with a combination ratio between 95 – 105%.
- Must follow installation instructions in the applicable LG installation manual.
Symbols
| View Direction
---|---
| Datum line
| Refrigerant/Drain Piping Direction
Note:
- Unit should be installed in compliance with the installation manual.
- Unit should be grounded in accordance with the local regulations or applicable national codes.
- All electrical components and materials to be supplied from the site must comply with the local regulations or international codes.
(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—QAGWO |
| 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 | — |
SB_MV_FourWay_Cassette2x2_ARNU073TRD4_2024_02_15_122044
For continual product development, LG reserves the right to change
specifications without notice.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved.
“LG Life’s Good” is a registered trademark of LG Corp.
www.lghvac.com
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>