LG ARNU123L2G4 User guide

Category
Split-system air conditioners
Type
User guide

LG ARNU123L2G4 is a high-performance indoor unit designed for residential and light commercial applications. With a cooling capacity of 12,300 BTU/h and a heating capacity of 13,600 BTU/h, it efficiently cools and heats spaces up to 1,200 square feet. Its sleek and compact design allows for discreet installation, while its advanced features ensure energy efficiency and user comfort.

LG ARNU123L2G4 is a high-performance indoor unit designed for residential and light commercial applications. With a cooling capacity of 12,300 BTU/h and a heating capacity of 13,600 BTU/h, it efficiently cools and heats spaces up to 1,200 square feet. Its sleek and compact design allows for discreet installation, while its advanced features ensure energy efficiency and user comfort.

Job Name/Locaon:
Date:
PO No.:
Architect: GC:
Engr: Mech:
Rep:
(Company) (Project Manager)
For: File Resubmit
Approval Other
Tag No.:
For a complete list of available accessories, contact your LG representave.
For connual product development, LG reserves the right to change specicaons without noce.
© LG Electronics U.S.A., Inc., Englewood Clis, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com
Performance:
Total Cooling Capacity (Btu/h)
Heang Capacity (Btu/h)
Maximum Power Input (W)1
L/M/H Power Input at Factory Default (W)
Rated capacity is cered under AHRI Standard 1230. Rangs are subject to change without noce. Current
cered rangs are available at www.ahridirectory.org.
Electrical:
Power Supply (V/Hz/Ø)
Rated Amps (A)
208-230/60/1
Piping:
Refrigerant:
Liquid Line (in., O.D.)
Vapor Line (in., O.D.)
Fan:
Type
Fan Quanty
Motor/Drive
Motor Quanty
Standard Mode Airow Rate H/M/L (CFM)
Standard Mode External Stac Pressure (ESP)7 (in. w.g.)
High Mode Airow Rate H/M/L (CFM)
High Mode External Stac Pressure (ESP)7 (in. w.g.)
Airow Range (CFM)
Minimum ESP8
Maximum ESP8
Page 1 of 2
Unit Data:
Refrigerant Type
Refrigerant Control
Sound Pressure dB(A) (H/M/L)5
Filter Type
Filter Quanty
Filter Dimensions6 (in.)
Net Unit Weight (lbs.)
Shipping Unit Weight (lbs.)
R410A
EEV
Washable
1
Entering Mixed Air:
Cooling Maximum3 (°F WB)
Heang Minimum (°F DB)
76
59
Controls Features:
Oponal Accessories:
• Auto changeover (Heat Recovery
only)
• Auto operaon
• Auto restart
• Child lock
• Dual thermistor control
• Hot start
• External on/o control
• Self diagnoscs
• Timer (on/o)
• Weekly schedule
• Fan speed control
• Dual setpoint control
• Mulple auxiliary heater appli-
caons
• Filter life display
• Group control
• Wi-Fi compable
• Auto fan
• Leak detecon
Wireless Remote Controller4 - PQWRHQ0FDB
MulSITE™ CRC1 Controller - PREMTBVC0
MulSITE CRC1+ Controller - PREMTBVC1
Premium Remote Controller - PREMTA000
Simple Remote Controller - PREMTC00U
Wi-Fi Module - PWFMDD200
Simple Dry Contact (1 contact, 24 VAC external power) - PDRYCB100
Dry Contact for Third-Party Thermostat - PDRYCB32014
Dry Contact for Economizer - PDRYCB400
Auxiliary Heater Kit - PRARH114
Remote Temperature Buon Sensor - ZRTBS01
Condensate:
Condensate Pump Drain2 (in., I.D.) 1
Sirocco
Brushless Digitally Controlled/Direct
0
0.1
0
0.19
Notes:
1. Maximum power input is rated at maximum seng value.
2. Maximum li is 27 inches from boom of unit. Check valve not included
(eld supplied).
3. See Engineering Manual for sensible and latent capacies.
4. Requires an LG wall controller because ducted units do not have infrared
receiver.
5. Sound Pressure levels are tested in an anechoic chamber under ISO Stan-
dard 3745.
6. Actual lter sizes may vary.
7. At factory fan speed seng.
8. Maximum stac pressure may result in reduced airow (CFM).
9. All communicaon cable between (main) outdoor units to indoor units /
heat recovery units to be 18 AWG, 2-conductor, twisted, stranded, shielded.
Ensure the communicaon cable shield is properly grounded to the (main)
outdoor unit chassis only. DO NOT ground the outdoor unit to indoor
units / heat recovery units communicaon cable at any other point. Wiring
must comply with all applicable local and naonal codes.
10. Power wiring cable size must comply with the applicable local and
naonal code.
11. This unit comes with a dry nitrogen charge.
12. All capacies are net with a combinaon rao between 95 – 105%.
13. Must follow installaon instrucons in the applicable LG installaon
manual.
14. 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.
12,300
Multi V™ Low Static Ducted
224 - 589
1/2 Flare
51
3
13,600
360 / 310 / 250
31 / 29 / 26
1/4 Flare
SB_MultiV_LowStaticDucted_ARNU123L2G4_2021_05_05_064544
2
29 / 34 / 41
ARNU123L2G4
12,300 Btu/h Indoor Unit
61
85
360 / 310 / 250
0.76
33-7/8 x 5-7/8 x 1/4
Job Name/Locaon:
Tag No.:
Date:
PO No.:
For connual product development, LG reserves the right to change specicaons without noce.
© LG Electronics U.S.A., Inc., Englewood Clis, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com Page 2 of 2
Multi V™ Low Static Ducted
SB_MultiV_LowStaticDucted_ARNU123L2G4_2021_05_05_064544
ARNU123L2G4
12,300 Btu/h Indoor Unit
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LG ARNU123L2G4 User guide

Category
Split-system air conditioners
Type
User guide

LG ARNU123L2G4 is a high-performance indoor unit designed for residential and light commercial applications. With a cooling capacity of 12,300 BTU/h and a heating capacity of 13,600 BTU/h, it efficiently cools and heats spaces up to 1,200 square feet. Its sleek and compact design allows for discreet installation, while its advanced features ensure energy efficiency and user comfort.

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