LG LDN187HV4 Multi F Ceiling-Concealed Low-Static Duct
18,000 Btu/h
LG Electronics
Performance Specifications
Nominal Capacity
- Cooling: 18,000 Btu/h
- Heating: 20,800 Btu/h
Nominal Test Conditions
Cooling
Indoor: 80°F DB / 67°F WB, Outdoor: 95°F DB / 75°F WB
Heating
Indoor: 70°F DB / 60°F WB, Outdoor: 47°F DB / 43°F WB
Electrical Specifications
- Power Supply: 208-230V / 60Hz / 1Ø
- Rated Amps: 0.80 A
Piping Specifications
- Installed Liquid Pipe (O.D.): 3/8"
- Installed Vapor Pipe (O.D.): 5/8"
- Liquid Connection (O.D.): 3/8"
- Vapor Connection (O.D.): 5/8"
- Drain (O.D. / I.D.): 1-1/4" / 1"
- Temperature Sensor: Thermistor
Controls Features
- Two thermistor control
- Auto operation
- Auto restart
- Control lock function
- Drain pump
- Group control
- Inverter (variable speed fan)
- Compatible with accessory Wi-Fi module
- Compatible with applicable Single Zone Outdoor Units
Optional Accessories
- MultiSITE™ CRC1 Controller - PREMTBVCO
- MultiSITE™ CRC1+ Controller - PREMTBVC1
- Simple Remote Controller - PREMTC00U
- Premium Remote Controller - PREMTA000
- AC Smart Premium - PQCSW421E0A
- ACP Premium - PQCPC22A1
- ACP Standard - PQCPC22N1
- LonWorks Gateway - PQNFB16A1
- BACnet Gateway - PQNFB17C1
- Remote Temperature Button Sensor - ZRTBS01
- Simple Dry Contact (1 contact, 24 VAC external power) - PDRYCB100
- Dry Contact for Third Party Thermostat - PDRYCB300
- Dry Contact for Economizer - PDRYCB400
- Auxiliary Heater Kit - PRARH1
- Wi-Fi Module - PWFMDD200
Unit Data
- Refrigerant Type: R410A
- Refrigerant Control: EEV
- Sound Pressure (H/M/L): 36 / 34 / 31 dB(A)
- Primary Filter: Washable Pre-filter
- Net Weight: 48.5 lbs
- Shipping Weight: 57.3 lbs
Fan Specifications
- Type: Turbo
- Quantity: 1
- Motor/Drive: Brushless Digitally Controlled/Direct
- Air Flow (H/M/L): 530 / 441 / 353 CFM
- External Static Pressure: 0.10 in wg
- Minimum External Static Pressure: 0.00 in wg
- Maximum External Static Pressure: 0.20 in wg
Entering Mixed Air Conditions
- Cooling: 57 ~ 77°F DB
- Heating: 59 ~ 81°F WB
Dimensional Data
The unit dimensions are provided for different models. For the LDN187HV4, the dimensions are approximately:
| Model Number | A | B | C | D |
|---|---|---|---|---|
| LDN097HV4 | 30-15/32" | 27-9/16" | 28-27/32" | 25-31/32" |
| LDN127HV4 | 38-11/32" | 35-7/16" | 36-23/32" | 33-27/32" |
| LDN187HV4 | 35-7/16" | 32-15/32" | 34-1/2" | 31-1/4" |
Connection points include Liquid pipe, Gas pipe, Power supply, Drain pipe, Air discharge, and Air suction.
Refer to the product manual for detailed installation and dimensional drawings.
Notes
- Acceptable operating voltage: 187V-253V.
- Sound Pressure levels tested in an anechoic chamber under ISO Standard 3745.
- Adjust fan speed for static pressure increases when using field-supplied air filter.
- External Static Pressure values are at factory fan speed setting.
- Air flow rate (CFM) is at high speed.
- Refer to Engineering Manual for sensible and latent capacities.
- Communication/power cable from outdoor to indoor unit is field supplied (minimum four-conductor, 18 AWG, stranded, shielded or unshielded).
- Power wiring cable size must comply with applicable local and national codes.
- Unit is shipped with a dry helium charge.
- Capacities are net with a combination ratio between 95-105%.
- Must follow installation instructions in the applicable LG installation manual.
- Multi compatible 18k IDUs include socket adapters for refrigerant pipe connections with single zone systems.
For a complete list of available accessories, contact your LG representative.
LG reserves the right to change specifications without notice for continual product development.
Manufactured by LG Electronics U.S.A., Inc.
