Model Name LDN097HV4 LDN127HV4 LMDN186HV
Nominal Cooling Capacity (Btu/h)
1
9,000 12,000 18,000
Nominal Heating Capacity (Btu/h)
1
10,400 13,800 20,800
Operating Range
Cooling (°F WB)
57-77
Heating (°F DB)
59-81
Fan
Type
Sirocco
Motor Output (W) x Qty.
19 x 1 5 x 1, 19 x 1
Motor/Drive
Brushless Digitally Controlled / Direct
Airflow Rate CFM (H/M/L)
318 / 247 / 194 353 / 300 / 247 530 / 441 / 353
Factory Set External Static Pressure (in. wg)
0.10
Max. External Static Pressure (in. wg)
0.20
Unit Data
Refrigerant Type
2
R410A
Refrigerant Control
EEV
Power Supply V, Ø, Hz
3
208-230, 1, 60
Rated Amps (A)
0.40 0.80
Sound Pressure Level ±3 dB(A) (H/M/L)
4
30 / 26 / 23 31 / 28 / 27 36 / 34 / 31
Dimensions (W x H x D, in.)
27-9/16 x 7-15/32 x 27-9/16 35-7/16 x 7-15/32 x 27-9/16
Net Unit Weight (lbs.)
39 51
Shipping Weight (lbs.)
46 60 57
Power Wiring / Communications Cable (No. x AWG)
5
4 x 18
Heat Exchanger (Row x Column x Fin / inch) x Number
(2 x 11 x 14) x 1 (2 x 11 x 18) x 1
Piping
Liquid (in.)
1/4
Vapor (in.)
3/8 1/2
Drain O.D. / I.D. (in.)
1-1/4, 1
1
Nominal capacity is rated 0 ft. above sea level with corresponding refrigerant piping length in
accordance with standard length of each outdoor unit and a 0 ft. level difference between outdoor and
indoor units. All capacities are net with a combination ratio between 95 – 105%.
Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF
wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).
Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and 60ºF
wet bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
2
This unit comes with a dry helium charge.
3
Acceptable operating voltage: 187V-253V.
4
Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 and are the
same in both cooling and heating mode. These values can increase due to ambient conditions during
operation.
5
All power wiring / communications cable to the IDUs be minimum 18 AWG, 4-conductor, stranded,
shielded or unshielded (if shielded, must be grounded to chassis at ODU only) and must comply with
applicable local and national codes.
DUCT (LOW STATIC) INDOOR UNITS
General Data / Specications
Table 34: Multi F Ceiling-Concealed Low-Static Ducted Indoor Unit General Data.
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
74 | DUCT (LOW STATIC)
Multi F and Multi F MAX Indoor Unit Engineering Manual
(62 pages)
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