KNUJB241A Multi F R32 Convertible Mid Static Ducted
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Specifications:
- Nominal Cooling Capacity: 24,000 Btu/h
- Nominal Heating Capacity: 27,000 Btu/h
- Electrical: 208-230V, 60Hz, 1 phase
- Installed Liquid Pipe: 1-1/4 inches O.D.
- Installed Vapor Pipe: 1 inch O.D.
- Liquid Connection: 1 inch O.D.
- Vapor Connection: 1 inch O.D.
- Drain: 1 inch O.D. / 1 inch I.D.
- Temperature Sensor: Thermistor
Product Usage Instructions:
Installation:
- Ensure proper electrical connection based on the specified
voltage and phase. - Install the liquid and vapor pipes according to the provided
dimensions. - Connect the drain following the specified size
requirements. - Mount the unit in the desired location for optimal
performance.
Controls and Features:
- Utilize the provided MultiSITETM CRC Controllers for advanced
control options. - Optional accessories like the Single-Port Shutoff Valve and
Auxiliary Heater Kit can be added for enhanced functionality. - Explore different controller options such as Simple Remote
Controllers or Deluxe Remote Controller for convenience.
Maintenance:
- Regularly clean the washable pre-filter to ensure efficient
operation. - Check for any debris or blockages in the drain to prevent
issues with drainage. - Monitor the external static pressure to ensure proper airflow
and performance.
FAQ:
Q: Can I install the unit vertically?
A: Yes, a vertical installation kit (ABDAMA0) is available as an
optional accessory for vertical installations.
Q: How often should I clean the pre-filter?
A: It is recommended to clean the washable pre-filter every 2-3
months for optimal performance.
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Job Name/Location: Date: PO No.: Architect: Engr: Rep:
(Company)
For: File
Resubmit
Approval Other
GC: Mech:
(Project Manager)
KNUJB241A
M ult i F R32 Convert ible M id St at ic Duct ed
24,000 Bt u/ h
Tag No.:
Performance:
Nominal Cooling Capacity (Btu/h) Nominal Heating Capacity (Btu/h)
Cooling Nominal Test Conditions: Indoor: 80°F DB / 67°F WB Outdoor: 95°F DB / 75°F WB
Electrical:
Power Supply (V/Hz/Ø)¹,² Rated Amps (A)
Heating Nominal Test Conditions: Indoor: 70°F DB / 60°F WB Outdoor: 47°F DB / 43°F WB
24,000 27,000
208-230/60/1
1.7
Piping:
Installed Liquid Pipe (in., O.D.) Installed Vapor Pipe (in., O.D.) Liquid Connection (in., O.D.) Vapor Connection (in., O.D.) Drain (in., O.D. / I.D.) Temperature Sensor
ø1/ 4
ø1/ 2
ø3/ 8 ø5/ 8
1-1/4 / 1 Thermistor
Controls Features:
· Inverter (variable speed fan) · Long-life washable prefilter · Hot start · Self diagnosis · Soft dry operation · Auto operation
· Horizont al or vert ical inst allat ion
· Auto restart · Sleep mode · Timer (on/off/weekly) · Drain pump · ESP control · R32 leak detection sensor
· Horizont al rear or horizont al bot t om ret urn
Optional Accessories:
Single-Port Shutoff Valve – PRHPZ010A Auxiliary Heater Kit – PRARH1 Filt er box – ZFBXM A01A Vert ical inst allat ion kit – ABDAM A0
Controller Options:
MultiSITETM CRC* Controllers Simple Remote Controllers Standard III Remote Controllers Deluxe Remote Controller Remote Temperature Button Sensor Dry Contacts Wi-Fi Module – PWFMDD200
Entering Mixed Air:
Cooling (°F WB) Heating (°F DB)
57 ~ 77 59 ~ 81
Unit Data:
Refrigerant Type Refrigerant Control Sound Pressure (H/M/L) dB(A)³ Primary Filter Net Weight (lbs.) Shipping Weight (lbs.)
R32 EEV
38 / 33 / 30
Washable Pre-filter
64.2
74.3
Fan:
Type
Sirocco
Quantity
1
Motor/Drive
Brushless Digitally Controlled/Direct
Air Flow H/M/L (CFM)
706.3 / 547.4 / 459.1
External Static Pressure4,5 (in wg)
0.24
Minimum External Static Pressure
0.1
Maximum External Static Pressure
0.59
Dehumidification (pts./hr.)
4.23
Notes:
1. Acceptable operating voltage: 187V-253V. 2. The power wiring and the communication wiring from the outdoor unit to the indoor unit, or from the branch distribution unit to the indoor unit is field supplied and must be stranded, shielded or unshielded (if shielded, it must be grounded to the chassis of the outdoor unit only). All wiring must comply with applicable local and national codes. a. Power wiring and communication wiring from outdoor unit to indoor unit (No. x AWG) 3 x 14 / 2 x 18. b. Power wiring and communication wiring from branch distribution unit to indoor unit (No. x AWG) 3 x 14 / 2 x 18. 3. Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745. 4. Adjust fan speed to correct for static pressure increases when using field-supplied air filter. 5. At factory fan speed setting. 6. See Engineering Manual for sensible and latent capacities. 7. The indoor unit comes with a dry helium charge. 8. Corresponding refrigerant piping length is in accordance with standard length of each outdoor unit and the level difference is 0 ft. All capacities are net with a combination ratio between 95 – 105%. 9. Must follow installation instructions in the applicable LG installation manual.
For a complete list of available accessories, contact your LG representative.
For continual product development, LG reserves the right to change specifications without notice.
SB_M ult iF_M idSt at ic_Duct ed_R32_KNUJB241A_2025_01_29_174421
© 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
Page 1 of 2
Job Name/Location:
KNUJB241A
M ult i F R32 Convert ible M id St at ic Duct ed
24,000 Bt u/ h
Tag No.: Date: PO No.:
For continual product development, LG reserves the right to change specifications without notice.
SB_M ult iF_M idSt at ic_Duct ed_R32_KNUJB241A_2025_01_29_174421
© 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
Page 2 of 2
Documents / Resources
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LG KNUJB241A Multi F R32 Convertible Mid Static Ducted [pdf] Owner's Manual KNUJB241A, KNUJB241A Multi F R32 Convertible Mid Static Ducted, Multi F R32 Convertible Mid Static Ducted, Convertible Mid Static Ducted, Mid Static Ducted, Static Ducted |