SplitAtlas

Mitsubishi Electric / P-Series PCA Ceiling-Suspended

Mitsubishi P-Series PCA Ceiling-Suspended 24k Ceiling Suspended 208/230V Mini-Split

Certified capacity
21,800 BTU/h[2]
SEER2
20.2 SEER2[2]
Heating floor
-4 F[1]
Voltage
230 V[1]
Install path
Professional install

The P-Series PCA Ceiling-Suspended 24k is the visible P-Series ceiling-suspended option for open rooms, shops, and commercial-style spaces without a usable wall or ceiling-cassette bay. It certifies at 21,800 BTU cooling, 28,000 BTU at 47F, and 11,600 BTU at 5F.

The catch is appearance and application. A ceiling-suspended head is practical and serviceable, but it looks commercial, hangs in the room, and needs a dealer to size clearances and condensate routing correctly.

1 zoneProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

Need this installed?

Get installation quotes
Error Codes
Mitsubishi Electric ceiling-suspended indoor unit for a P-Series PCA system.

Image: Mitsubishi Pro official product API

Data completeness: 100%
Last sourced
Aug 5, 2026

SplitAtlas score

7.4 / 10

Methodology
Cooling efficiencyBelow average

(20.2 SEER2) among 24k systems

Heating efficiencyBelow average

(9.3 HSPF2) among 24k systems

Cold-weather performanceBottom quartile

(41.4% heat retained at 5F; -4 F heating floor) among 24k systems

NoiseBelow average

(33 dBA indoor min / 52 dBA outdoor) among 24k systems

WarrantyBelow average

(5 yr parts / 7 yr compressor) across the catalogue

Feature setBottom quartile

(3 verified features) across the catalogue

Documentation & partsBelow average

(6 manuals; spec sheet) across the catalogue

Not evaluated

  • Installation accessibility — not applicable (professional install)N/A

    professional install - DIY-accessibility not applicable

  • Price-to-value — not evaluatedN/A

    This is a professionally installed, quote-only system, so we can't score its price. Get an installed quote to compare real cost.

    Get a quote

Key ratings

Rated cooling

21,800BTU/h[2]

Rated heating

28,000BTU/h[2]

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 230V; MCA 22 A; breaker/fuse 37 A.
  • Line set: connection type not sourced; precharged 165 ft; max 165 ft.

Alternatives

Availability and price context

We could not verify a current retail price for this model. Mitsubishi Electric sells through dealers, so we link to contractor quotes rather than a retail price.

Source date

Model data sourced
Aug 5, 2026
Page reviewed
Aug 2, 2026
Source-backed records
3
Newest source retrieved
Aug 5, 2026

Warranty tiers

Warranty: 5 years parts and 7 years compressor as standard.

Review methodology

Model context

Mitsubishi dealer channel
Mitsubishi Electric is dealer-quoted in this catalog; installed price depends on the local contractor, and the brand context is dealer support and reliability reputation.
Install path
This is professional-install equipment; no verified current retail offer is attached.

Strengths

  • 20.2 SEER2 / 12 EER2 / 9.3 HSPF2 certified efficiency.
  • 21,800 BTU visible ceiling-mounted capacity for open rooms without wall space.
  • 15,300 BTU at 17F and 11,600 BTU at 5F give real heating numbers to size against.

Weaknesses

  • Not AHRI cold-climate designated; 5F heat falls to 11,600 BTU, so size carefully in northern winters.
  • Ceiling-suspended heads are visible and commercial-looking compared with recessed cassettes.

Climate suitability

Minimum heating ambient
-4 F[1]
Rated heating at 5F
11,600 BTU/h[2]
Rated heating at 17F
15,300 BTU/h[2]
Rated heating at 47F
28,000 BTU/h[2]

Specifications

Show
Manufacturer
Mitsubishi Electric
Brand
Mitsubishi Electric
Product line
P-Series PCA Ceiling-Suspended
Model number
PCA-AK24NL-U1 indoor / PUZ-AH24NL-U1 outdoor
Indoor unit model
PCA-AK24NL-U1
Outdoor unit model
PUZ-AH24NL-U1
Number of zones
1
Max indoor units
not published
Rated cooling capacity
21,800 BTU/h[2]
Rated heating capacity
28,000 BTU/h[2]
Voltage
230 V[1]
MCA
22 A[1]
Maximum fuse or breaker size
37 A[1]
Breaker needed
not published
SEER2
20.2 SEER2[2]
EER2
12 EER2[2]
HSPF2 (Region 4)
9.3 HSPF2[2]
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
3.4 COP[1]
COP at 5F
2 COP[2]
Minimum outdoor heating temperature
-4 F[1]
Minimum outdoor cooling temperature
23 F[1]
Maximum outdoor temperature
115 F[1]
Indoor noise range
cooling 33 , 35 , 37 , 40; heating 33 , 35 , 37 , 40[1]
Outdoor noise rating
52 dBA[1]
Indoor weight
71 lb[1]
Outdoor weight
155 lb[1]
Refrigerant
R-454B[1]
Refrigerant charge
not published
Manufacturer coverage
not published
Line-set size
3/8 in liquid / 5/8 in suction
Included line-set length
Mitsubishi submittals publish line-size and maximum/precharged piping data; the installing contractor supplies the line set.
Maximum line-set length
165 ft[1]
Max line set per indoor
not published
Maximum elevation difference
100 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[2]
AHRI certification number
215712180[2]
Warranty
Standard: 5 yr parts / 7 yr compressor (licensed HVAC contractor installation). METUS residential warranty terms list a standard 5-year parts and 7-year compressor term when installed by a licensed HVAC contractor, with enhanced registered coverage available under program conditions.
Install path
Professional install
Retail price
Mitsubishi Electric sells through dealers, so we link to contractor quotes rather than a retail price.
Available retailers
not published
Manual links
AHRI public detail 215712180, BT79A139H03.pdf, MitsubishiPro product record PCA-AK24NL, MitsubishiPro product record PUZ-AH24NL, PCA-AK24NL / PUZ-AH24NL Mitsubishi Electric submittal, METUS Residential M-Series, P-Series and SMART MULTI Limited Warranty Statement
Specification sheet
PCA-AK24NL / PUZ-AH24NL Mitsubishi Electric submittal
Last sourced date
Aug 5, 2026

Electrical requirements

Show
Voltage
230 V[1]
Voltage range
not published
Phase
1[1]
Frequency
60 Hz[1]
MCA
22 A[1]
Breaker needed
not published
Maximum breaker size
37 A[1]
Maximum fuse size
37 A[1]
Maximum cooling current
not published
Maximum heating current
not published
Manufacturer wire notes
14 AWG indoor-outdoor[1]

Installation considerations

Show
Liquid line
3/8 in[1]
Suction line
5/8 in[1]
Line connection type
not published
Precharged length
165 ft[1]
Included line-set length
Mitsubishi submittals publish line-size and maximum/precharged piping data; the installing contractor supplies the line set.
Maximum line-set length
165 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
50-3/8 x 26-3/4 x 9-1/16 in[1]
Outdoor dimensions
37-13/32 x 14 x 37-1/8 in[1]
Indoor weight
71 lb[1]
Outdoor weight
155 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the Mitsubishi Electric P-Series PCA Ceiling-Suspended 24,000 BTU R-454B 208/230V (PCA-AK24NL / PUZ-AH24NL) myself, or do I need a pro?
Mitsubishi Electric P-Series PCA Ceiling-Suspended 24,000 BTU R-454B 208/230V (PCA-AK24NL / PUZ-AH24NL) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
Will the Mitsubishi Electric P-Series PCA Ceiling-Suspended 24,000 BTU R-454B 208/230V (PCA-AK24NL / PUZ-AH24NL) keep heating in a cold winter?
The manufacturer publishes 11,600 BTU/h of heating output at 5F. Rated heating operation extends down to -4 F. Certified heating efficiency is 9.3 HSPF2. Match those numbers against your climate's design temperature - in cold regions, output at 5F matters far more than the nameplate capacity measured at 47F.
What electrical circuit does the Mitsubishi Electric P-Series PCA Ceiling-Suspended 24,000 BTU R-454B 208/230V (PCA-AK24NL / PUZ-AH24NL) need?
Published electrical requirements: 230 V voltage, 22 A minimum circuit ampacity, and 37 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
How far can the outdoor unit be from the indoor head?
The published maximum line-set length is 165 ft, and the included line set comes pre-charged for 165 ft. Longer runs than the included set allows typically mean added refrigerant and a pro visit, so measure the planned routing before ordering.
What warranty does the Mitsubishi Electric P-Series PCA Ceiling-Suspended 24,000 BTU R-454B 208/230V (PCA-AK24NL / PUZ-AH24NL) carry?
The manufacturer publishes these warranty tiers: Standard: 5 yr parts / 7 yr compressor (licensed HVAC contractor installation). Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. Mitsubishi Electric Trane HVAC US LLC: PCA-AK24NL / PUZ-AH24NL Mitsubishi Electric submittalSourced - manufacturer technical document

    Covers Frequency, electrical_spec.guaranteed_voltage_range, electrical_spec.indoor_mca_amps, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity and more

  2. Air-Conditioning, Heating, and Refrigeration Institute: AHRI public detail 215712180Sourced - AHRI directory

    Covers AHRI certification number, performance_spec.cold_climate_designation, Rated cooling capacity, COP at 5F, EER2, Energy Star status and more

  3. Mitsubishi Electric Trane HVAC US LLC: METUS Residential M-Series, P-Series and SMART MULTI Limited Warranty StatementSourced - secondary source

    Covers Legacy compressor warranty value, Legacy warranty value, Standard compressor warranty, Standard warranty conditions, Standard parts warranty, Warranty notes

Last updated

Aug 2, 2026