MITSUBISHI ELECTRIC PKA-A24KA7 Wall Mounted Air Conditioning System Owner’s Manual

June 17, 2024
Mitsubishi Electric

PKA-A24KA7 & PUZ-HA24NHA1
24,000 BTU/H WALL-MOUNTED INDOOR UNIT
24,000 BTU/H HYPER-HEATING UNIVERSAL OUTDOOR

Job Name:
System Reference: Date:

MITSUBISHI ELECTRIC PKA-A24KA7 Wall Mounted Air Conditioning
System

Indoor Unit PKA-A24KA7
Outdoor Unit PUZ-HA24NHA1

INDOOR UNIT FEATURES

  • Sleek, compact design
  • Simple installation
  • Vane setting for air flow direction control
  • Auto fan speed mode
  • Ideal for spaces such as server rooms, daycare centers, classrooms, churches, small offices, and more
  • Multiple control options available:
    ○ kumo cloud® smart device app for remote access
    ○ Third-party interface options
    ○ Wired or wireless controllers

OUTDOOR UNIT FEATURES

  • Variable speed INVERTER-driven compressor
  • Wide heating range: heating performance down to -13°F (average of 80% heating capacity)
  • High speed heating at start up: Hyper-Heating INVERTER® reduces the time for heating at start up by about half compared to standard models
  • Pre-charged with refrigerant volume for piping length up to 70 ft.
  • High pressure/temperature protection
  • Built-in base pan heater

SPECIFICATIONS: PKA-A24KA7 & PUZ-HA24NHA1

Cooling at 95°F1 Maximum Capacity BTU/H 24,000
Rated Capacity BTU/H 24,000
Minimum Capacity BTU/H 10,000
Maximum Power Input W 1,900
Rated Power Input W 1,900
Moisture Removal Pints/h 5.0
Sensible Heat Factor 0.77
Power Factor [208V / 230V] % 96.0 / 96.0
Heating at 47°F2 Maximum Capacity BTU/H 28,000
Rated Capacity BTU/H 26,000
Minimum Capacity BTU/H 10,000
Maximum Power Input W 2,150
Rated Power Input W 1,920
Power Factor [208V / 230V] % 96.0 / 96.0
Heating at 17°F3 Maximum Capacity BTU/H 26,000
Rated Capacity BTU/H 17,200
Maximum Power Input W 3,560
Rated Power Input W 2,006
Heating at 5°F4 Maximum Capacity BTU/H 26,000
Maximum Power Input W 3,986
Heating at -13°F7 Maximum Capacity BTU/H 20,800
Efficiency SEER2 19.5
EER21 12.6
HSPF2 [IV] 9.5
COP at 47°F2 3.96
COP at 17°F at Maximum Capacity3 2.1
COP at 5°F at Maximum Capacity4 1.9
Electrical Voltage, Phase, Frequency 208/230, 1, 60
Guaranteed Voltage Range V AC 198 – 253
Voltage: Indoor – Outdoor, S1-S2 V AC 208/230
Voltage: Indoor – Outdoor, S2-S3 V DC 24
Short-circuit Current Rating [SCCR] kA 5
Recommended Fuse/Breaker Size (Oudoor) A 25
Recommended Wire Size [Indoor – Outdoor] AWG 14
Power Supply Indoor unit is powered by the outdoor unit
Indoor Unit MCA A 1.0
Fan Motor Full Load Amperage A 0.36
Fan Motor Type DC Motor
Airflow Rate at Cooling, Dry CFM 635–705–775
Airflow Rate at Cooling, Wet CFM 570–635–700
Airflow Rate at Heating, Dry CFM 635–705–775
Sound Pressure Level [Cooling] dB[A] 39–42–45
Sound Pressure Level [Heating] dB[A] 39–42–45
Drain Pipe Size In. [mm] 5/8 [16]
Coating on Heat Exchanger
External Finish Color White Munsell 1.0Y 9.2/0.2
Unit Dimensions W x D x H: In. [mm] 46-1/16 x 11-5/8 x 14-3/8 [1,170 x 295 x

365]
Package Dimensions| W x D x H: In. [mm]| 51 x 14-1/4 x 18-1/2 [1,295 x 362 x 470]
Unit Weight| Lbs. [kg]| 46 [21]
Package Weight| Lbs. [kg]| 53 [24]
Indoor Unit Operating Temperature Range| Cooling Intake Air Temp [Maximum / Minimum]*| °F| 90 DB, 72 WB / 66 DB, 61 WB
Heating Intake Air Temp [Maximum / Minimum]| °F| 77 DB / 59 DB

NOTES:
AHRI Rated Conditions
(Rated data is determined at a fixed compressor speed)

  1. Cooling (Indoor // Outdoor) °F 80 DB, 67 WB // 95 DB, 75 WB

  2. Heating at 47°F (Indoor // Outdoor) °F 70 DB, 60 WB // 47 DB, 43 WB

  3. Heating at 17°F (Indoor // Outdoor) °F 70 DB, 60 WB // 17 DB, 15 WB
    Conditions

  4. Heating at 5°F (Indoor // Outdoor) °F 70 DB, 60 WB // 5 DB, 4 WB

  5. Heating at -13°F (Indoor // Outdoor) °F 70 DB, 60 WB // -13 DB, -14 WB

  • Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):
    • Wind baffles required to operate below 23°F DB in cooling mode.
    • Refer to wind baffle documentation for further information.
    **Outdoor Unit Operating Temperature Range (Cooling Thermal Lock-out / Re- start Temperatures; Heating Thermal Lock-out / Re-start Temperatures):
    • System cuts out in heating mode to avoid thermistor error and automatically restarts at these temperatures.

SPECIFICATIONS: PKA-A24KA7 & PUZ-HA24NHA1

Outdoor Unit MCA A 17.0
MOCP A 27
Fan Motor Output W 74
Airflow Rate [Cooling / Heating] CFM 1940 / 1940
Refrigerant Control LEV
Defrost Method Reverse Cycle
Sound Pressure Level, Cooling1 dB(A) 52
Sound Pressure Level, Heating2 dB(A) 53
Compressor Type Scroll
Compressor Model DNB28FBAMT
Compressor Rated Load Amps A 9
Compressor Locked Rotor Amps A 18.0
Compressor Oil [Type // Charge] oz. FVC68D // 34
External Finish Color Ivory Munsell 3Y 7.8/1.1
Base Pan Heater Built-in
Unit Dimensions W x D x H: In. [mm] 37-13/32 x 14-3/16 x 37-1/8 [950 x 360 x

943]
Package Dimensions| W x D x H: In. [mm]| 41 x 18 x 41 [1040 x 450 x 1033]
Unit Weight| Lbs. [kg]| 190 [86]
Package Weight| Lbs. [kg]| 210 [95]
Outdoor Unit Operating Temperature Range| Cooling Air Temp [Maximum / Minimum]*| °F| 115 DB / 0 DB
Heating Air Temp [Maximum / Minimum]| °F| 70 DB, 59 WB / -13 DB, -13 WB
Heating Thermal Lock-out / Re-start Temperatures**| °F| -22 / -13
Refrigerant| Type| R410A
Pre-Charged Refrigerant Amount| Lbs, oz| 7.0, 11.0
Maximum Pre-Charged Piping Length| Ft. [m]| 70.0 [21.0]
Additional Refrigerant Charge Per Additional Piping Length| oz./Ft. [g/m]| 0.7 [65]
Piping| Gas Pipe Size O.D. [Flared]| In.[mm]| 5/8 [15.88]
Liquid Pipe Size O.D. [Flared]| In.[mm]| 3/8 [9.52]
Maximum Piping Length| Ft. [m]| 165 [50]
Maximum Height Difference| Ft. [m]| 100 [30]
Maximum Number of Bends| 15

NOTES:
AHRI Rated Conditions
(Rated data is determined at a fixed compressor speed)

  1. Cooling (Indoor // Outdoor) °F 80 DB, 67 WB // 95 DB, 75 WB

  2. Heating at 47°F (Indoor // Outdoor) °F 70 DB, 60 WB // 47 DB, 43 WB

  3. Heating at 17°F (Indoor // Outdoor) °F 70 DB, 60 WB // 17 DB, 15 WB
    Conditions

  4. Heating at 5°F (Indoor // Outdoor) °F 70 DB, 60 WB // 5 DB, 4 WB

  5. Heating at -13°F (Indoor // Outdoor) °F 70 DB, 60 WB // -13 DB, -14 WB

  • Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):
    • Wind baffles required to operate below 23°F DB in cooling mode.
    • Refer to wind baffle documentation for further information.
    **Outdoor Unit Operating Temperature Range (Cooling Thermal Lock-out / Re- start Temperatures; Heating Thermal Lock-out / Re-start Temperatures):
    • System cuts out in heating mode to avoid thermistor error and automatically restarts at these temperatures.

INDOOR UNIT ACCESSORIES: PKA-A24KA7

Control Interface 3-Pin Connector □ PAC-715AD
IT Extender □ PAC-WHS01IE-E
kumo station® for kumo cloud® □ PAC-WHS01HC-E
Procon BACnet® and Modbus® Interface □ PAC-UKPRC001-CN-1
Thermostat Interface □ PAC-US444CN-1
Thermostat Interface □ PAC-US445CN-1
USNAP Adapter □ PAC-WHS01UP-E
Wireless Interface for kumo cloud® □ PAC-USWHS002-WF-2
Remote Sensor Flush Mount Remote Temperature Sensor □ PAC-USSEN002-FM-1
Flush Mount Temperature Sensor □ PAC-USSEN001-FM-1
Remote Temperature Sensor □ PAC-SE41TS-E
Wireless temperature and humidity sensor for kumo cloud® □ PAC-USWHS003-TH-1
Wired Remote Controller Deluxe Wired MA Remote Controller† □ PAR-40MAAU
Simple Ductless Wired Remote Controller □ PAC-SDW01RC-1
Simple MA Remote Controller† □ PAC-YT53CRAU-J
Touch MA Controller† □ PAR-CT01MAU-SB
Wireless Remote Controller kumo touch™ RedLINK™ Wireless Controller □ MHK2
Lockdown bracket for remote controller □ RCMKP1CB
Wireless MA Receiver □ PAR-FA32MA-W
Wireless MA Remote Controller □ PAR-FL32MA-E
Condensate Blue Diamond (Advanced) Mini Condensate Pump w/ Reservoir & Sensor
(208/230V) [recommended] □ X87-721
Blue Diamond (MegaBlue Advanced) Condensate Pump w/ Reservoir & Sensor

X87-835
Drain Pan Level Sensor/Control| □ SS610E
Refco Condensate Pump (100-240 VAC)| □ GOBI-II
Refco Condensate Pump (100-240 VAC) up to 120,000 BTU/H| □ COMBI
Disconnect Switch| (30A/600V/UL) [fits 2” X 4” utility box] – Black| □ TAZ- MS303
Lineset| 10’ x 3/8” x 10’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-10
100’ x 3/8” x 100’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-100
15’ x 3/8” x 15’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-15
30’ x 3/8” x 30’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-30
50’ x 3/8” x 50’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-50
65’ x 3/8” x 65’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-65

OUTDOOR UNIT ACCESSORIES: PUZ-HA24NHA1

Air Outlet Guide Air Outlet Guide (1 Piece) □ PAC-SG59SG-E
Control/Service Tool Control/Service Tool □ PAC-SK52ST
Hail Guards Hail Guard □ HG-A6
M-NET Converter M-NET Converter □ PAC-SJ85MA-E
M-NET Converter □ PAC-SJ95MA-E
Mounting Pad Condensing Unit Mounting Pad: 24” x 42” x 3” □ ULTRILITE2
Stand 18” Single Fan Stand □ QSMS1801M
24” Single Fan Stand □ QSMS2401M
Condenser Wall Bracket □ QSWB2000M-1
Condenser Wall Bracket – Stainless Steel Finish □ QSWBSS
Outdoor Unit Stand — 12” High □ QSMS1201M
Wind Baffle Front Wind Baffle □ WB-PA5
Rear Wind Baffle □ WB-RE5
Side Advanced Wind Baffle □ WB-SD5

INDOOR UNIT DIMENSIONS: PKA-A24KA7

MITSUBISHI ELECTRIC PKA-A24KA7 Wall Mounted Air Conditioning System - INDOOR
UNIT DIMENSIONS

OUTDOOR UNIT DIMENSIONS: PUZ-HA24NHA1

MITSUBISHI ELECTRIC PKA-A24KA7 Wall Mounted Air Conditioning System -
OUTDOOR UNIT DIMENSIONS

FORM# PKA-A24KA7 & PUZ-HA24NHA1 – 202307
Specifications are subject to change without notice.
1340 Satellite Boulevard Suwanee, GA 30024
Toll Free: 800-433-4822 www.mehvac.com

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