MITSUBISHI ELECTRIC A24KA7 Wall Mounted Air Conditioning System Owner’s Manual
- June 17, 2024
- Mitsubishi Electric
Table of Contents
- A24KA7 Wall Mounted Air Conditioning System
- SPECIFICATIONS: PKA-A24KA7 & PUY-A24NHA7
- INDOOR UNIT ACCESSORIES: PKA-A24KA7
- OUTDOOR UNIT ACCESSORIES: PUY-A24NHA7
- INDOOR UNIT DIMENSIONS: PKA-A24KA7
- OUTDOOR UNIT DIMENSIONS: PUY-A24NHA7
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
PKA-A24KA7 & PUY-A24NHA7
24,000 BTU/H WALL-MOUNTED INDOOR UNIT
24,000 BTU/H COOLING ONLY OUTDOOR
A24KA7 Wall Mounted Air Conditioning System
Job Name:————-
System Reference: ————— Date: ———–
Indoor Unit ————- PKA-A24KA7
Outdoor Unit ————- PUY-A24NHA7
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
- Pre-charged with refrigerant volume for piping length up to 70 ft
- Low ambient cooling down to -40°F providing 100% capacity (with wind baffles)
- 24-hour continuous operation (cooling mode)
- High pressure protection
- Fast restart
- Superior energy and operational efficiency
- Seacoast protection
○ External Outer Panel: Phosphate coating + Acrylic-Enamel coating
○ Fan Motor Support: Epoxy resin coating (at edge face)
○ Separator Assembly Valve Bed: Epoxy resin coating (at edge face)
○ Blue Fin treatment is an anti-corrosion treatment that is applied to the Heat exchanger coil to protect it against airborne contaminants.
○ Heat exchanger coil and base panel rated for 2,000 hours in accordance with ASTM B117 testing
Seacoast protection standard from 2022 production
SPECIFICATIONS: PKA-A24KA7 & PUY-A24NHA7
| 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 | 1,960 | |
| Rated Power Input | W | 1,960 | |
| Moisture Removal | Pints/h | 5.0 | |
| Sensible Heat Factor | 0.77 | ||
| Power Factor [208V / 230V] | % | 95.7 / 95.7 | |
| Efficiency | SEER | SEER2 | 21.4 |
| EER1 | EER21 | 12.2 | |
| ENERGY STAR® Certified | No | ||
| 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
Outdoor Unit| MCA| A| 19.0
MOCP| A| 26
Fan Motor Full Load Amperage| A| 0.4
Fan Motor Output| W| 86
Airflow Rate [Cooling / Heating]| CFM| 1940
Refrigerant Control| LEV
Defrost Method| Reverse Cycle
Coating on Heat Exchanger| Blue Fin Coating**
Sound Pressure Level, Cooling1| dB(A)| 47
Compressor Type| INVERTER-driven twin rotary
Compressor Model| SNB172FWHM1
Compressor Rated Load Amps| A| 7
Compressor Locked Rotor Amps| A| 11.0
Compressor Oil [Type // Charge]| oz.| FV50S // 23
External Finish Color| Ivory Munsell 3Y 7.8/1.1
Base Pan Heater| N/A
Unit Dimensions| W x D x H: In. [mm]| 37-13/32 x 13 (+1-3/16) x 37-1/8 [950 x
330 (+30) x 943]
Package Dimensions| W x D x H: In. [mm]| 40-15/16 x 17-11/16 x 40-11/16 [1040
x 450 x 1033]
Unit Weight| Lbs. [kg]| 151 [68]
Package Weight| Lbs. [kg]| 176 [80]
Outdoor Unit Operating Temperature Range| Cooling Air Temp [Maximum /
Minimum]| °F| 115 DB / -40 DB
Refrigerant| Type| R410A
Pre-Charged Refrigerant Amount| Lbs, oz| 7.0, 11.0
Maximum Pre-Charged Piping Length| Ft. [m]| 70.0 [20.0]
Additional Refrigerant Charge Per Additional Piping Length| oz./Ft. [g/m]| 0.3
[22.5]
NOTES:
AHRI Rated Conditions
(Rated data is determined at a fixed compressor speed)
1Cooling (Indoor // Outdoor)
°F 80 DB, 67 WB // 95 DB, 75 WB
*Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):
- Wind baffles required to operate below 23°F DB in cooling mode.
- Cooling-only system with advanced wind baffle: -40°F – 115°F.
- 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.
***Blue Fin Coating Standard from 2022 production:
- PU(Y/Z)-A(12/18)NKA7 – Beginning with serial number 12U*****
- PU(Y/Z)-A(24/30/36/42)NKA7 – Beginning with serial number 1ZU*****
| 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] | 225 [68] | |
| 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)
1Cooling (Indoor // Outdoor)
°F 80 DB, 67 WB // 95 DB, 75 WB
*Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):
- Wind baffles required to operate below 23°F DB in cooling mode.
- Cooling-only system with advanced wind baffle: -40°F – 115°F.
- 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.
***Blue Fin Coating Standard from 2022 production:
- PU(Y/Z)-A(12/18)NKA7 – Beginning with serial number 12U*****
- PU(Y/Z)-A(24/30/36/42)NKA7 – Beginning with serial number 1ZU*****
INDOOR UNIT ACCESSORIES: PKA-A24KA7
| Control Interface | 3-Pin Connector | □ PAC-715AD |
|---|---|---|
| BACnet® and Modbus® Interface | □ PAC-UKPRC001-CN-1 | |
| IT Extender | □ PAC-WHS01IE-E | |
| kumo station® for kumo cloud® | □ TAC-WHS01HC-E | |
| 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 humitity sensor for kumo cloud® | □ PAC-USWHS003-TH-1 | |
| Wired Remote Controller | Deluxe Wired MA Remote Controller† | □ AAR-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-SR32MA-E | |
| 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: PUY-A24NHA7
| Air Outlet Guide | Air Outlet Guide (1 Piece) | □ PAC-SG59SG-E |
|---|---|---|
| Centralized Drain Pan | Centralized Drain Pan | □ PAC-SG63DP-E |
| Drain Pan | □ PAC-SG64DP-E | |
| Control/Service Tool | Control/Service Tool | □ PAC-SK52ST |
| M- & P-Series Maintenance Tool Cable Set | □ M21EC0397 | |
| Maintenance Tool Interface | □ PAC-USCMS-MN-1 | |
| USB/UART Conversion Cable (Required for all laptop connection) | □ M21EC1397 | |
| Hail Guards | Hail Guard | □ HG-A6 |
| M-NET Converter | M-NET Converter | □ PAC-SJ85MA-E |
| M-NET Converter | □ PAC-SJ95MA-E | |
| Mini-Split Wire | 14 Gauge, 4 wire MiniSplit Cable—250 ft. roll | □ S144-250 |
| 14 Gauge, 4 wire MiniSplit Cable—50 ft. roll | □ S144-50 | |
| 16 Gauge, 4 wire MiniSplit Cable—250 ft. roll | □ S164-250 | |
| 16 Gauge, 4 wire MiniSplit Cable—50 ft. roll | □ S164-50 | |
| 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
OUTDOOR UNIT DIMENSIONS: PUY-A24NHA7
-
FREE SPACE (Around the unit)
The diagram below shows a basic example.
Explantion of particular details are given in the installation manuals etc. -
SERVICE SPACE
Dimensions of space needed for service access are shown in the below diagram.
Dimensions of space needed for service access are shown in the below diagram. -
OUNDATION BOLTS
Please secure the unit firmly with 4 foundation (M10<W3/8>) bolts. (Bolts and washers must be purchased locally.) -
PIPING-WIRING DIRECTIONS
Piping and wiring connections
can be made from 4 directions:
FRONT, Right,Rear and Below.Piping and wiring connections
can be made from 4 directions:
FRONT, Right,Rear and Below.
FORM# PKA-A24KA7 & PUY-A24NHA7 – 202304
Specifications are subject to change without
notice.www.ahridirectory.org
Unitary Small AC
AHRI Standard 210/240
Certification applies only when the complete system is listed with AHRI. ©
2023 Mitsubishi Electric Trane HVAC US LLC.
All rights reserved.