Mitsubishi Electric PCA-A42KA8 & PUY-A42NKA7: 42,000 BTU/H Ceiling-Suspended Air Conditioner
This document provides detailed specifications for the Mitsubishi Electric PCA-A42KA8 indoor unit and PUY-A42NKA7 outdoor unit, a 42,000 BTU/H cooling-only system designed for ceiling suspension.
Indoor Unit Features (PCA-A42KA8)
- Airflow settings for high and low ceiling applications
- Knock-out for outside-air intake
- Optional i-see Sensor™ for air distribution and energy saving
- Auto fan speed mode
- Filter status indicator
- Easy-to-clean, washable filter
- Suspends from ceiling for quick and easy installation
- Ideal for larger retail stores, classrooms, and restaurants
- Multiple control options available, including kumo cloud® smart device app, third-party interface options, and wired or wireless controllers.
Outdoor Unit Features (PUY-A42NKA7)
- Variable speed INVERTER-driven compressor
- Pre-charged with refrigerant for piping lengths up to 100 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 features Phosphate coating + Acrylic-Enamel coating; Fan Motor Support and Separator Assembly Valve Bed have Epoxy resin coating. Blue Fin treatment on the Heat exchanger coil provides anti-corrosion protection against airborne contaminants. Heat exchanger coil and base panel are rated for 2,000 hours in accordance with ASTM B117 testing. (Seacoast protection standard from 2022 production).
Specifications Overview
| Feature | Specification |
|---|---|
| Maximum Capacity (Cooling) | 42,000 BTU/H |
| Rated Capacity (Cooling) | 42,000 BTU/H |
| Minimum Capacity (Cooling) | 16,000 BTU/H |
| Maximum Power Input | 4,110 W |
| Rated Power Input | 4,110 W |
| Moisture Removal | 11.7 Pints/h |
| Sensible Heat Factor | 0.69 |
| Power Factor [208V / 230V] | 95.6/95.6 % |
| SEER2 | 17.7 |
| EER21 | 10.0 |
| ENERGY STAR® Certified | No |
| Voltage, Phase, Frequency | 208/230, 1, 60 V AC |
| Guaranteed Voltage Range | 198-253 V AC |
| Short-circuit Current Rating [SCCR] | 5 KA |
| Recommended Fuse/Breaker Size (Outdoor) | 30 A |
| Power Supply | Indoor unit is powered by the outdoor unit |
| MCA | 2.0 A |
| Fan Motor Full Load Amperage | 0.97 A |
| Fan Motor Output | 160 W |
| Fan Motor Type | DC Motor |
| Airflow Rate at Cooling, Dry | 810-885-955-1,025 CFM |
| Sound Pressure Level [Cooling] | 39-41-43-45 dB[A] |
| Drain Pipe Size | 1-1/32 [26] In. [mm] |
| External Finish Color (Indoor Unit) | White Munsell 6.4Y 8.9/0.4 |
| Unit Dimensions (Indoor Unit) | 63 x 26-3/4 x 9-1/16 In. [1,600 x 680 x 230 mm] |
| Package Dimensions (Indoor Unit) | 65-3/4 x 30 x 13-47/64 In. [1,670 x 760 x 349 mm] |
| Unit Weight (Indoor Unit) | 79 Lbs. [36 kg] |
| Package Weight (Indoor Unit) | 104 Lbs. [46.8 kg] |
| Cooling Intake Air Temp [Maximum / Minimum] | 90 DB, 73 WB / 66 DB, 59 WB °F |
| MOCP (Outdoor Unit) | 31 A |
| Fan Motor Full Load Amperage (Outdoor Unit) | 0.5 + 0.5 A |
| Fan Motor Output (Outdoor Unit) | 74 W |
| Airflow Rate [Cooling / Heating] (Outdoor Unit) | 3880 CFM |
| Refrigerant Control | LEV |
| Defrost Method | Reverse Cycle |
| Coating on Heat Exchanger (Outdoor Unit) | Blue Fin Coating*** |
| Sound Pressure Level, Cooling | 52 dB(A) |
| Compressor Type | INVERTER-driven twin rotary |
| Compressor Rated Load Amps | 8 A |
| Compressor Locked Rotor Amps | 13.0 A |
| Compressor Oil [Type // Charge] | FV50S // 45 OZ. |
| External Finish Color (Outdoor Unit) | Ivory Munsell 3Y 7.8/1.1 |
| Base Pan Heater | N/A |
| Unit Dimensions (Outdoor Unit) | 41-5/16 x 13 (+1-3/16) x 52-11/16 In. [1050 x 330 (+30) x 1338 mm] |
| Package Dimensions (Outdoor Unit) | 42-15/16 x 17-11/16 x 56-4/16 In. [1091 x 450 x 1429 mm] |
| Unit Weight (Outdoor Unit) | 211 Lbs. [96 kg] |
| Package Weight (Outdoor Unit) | 243 Lbs. [110 kg] |
| Outdoor Unit Operating Temperature Range (Cooling) | 115 DB/-40 DB °F |
| Gas Pipe Size O.D. [Flared] | 5/8 [15.88] In.[mm] |
| Liquid Pipe Size O.D. [Flared] | 3/8 [9.52] In.[mm] |
| Maximum Piping Length | 225 Ft. [68 m] |
| Maximum Height Difference | 100 Ft. [30 m] |
| Maximum Number of Bends | 15 |
Indoor Unit Accessories
- Control Interface: CN24 Relay Kit, IT Extender, kumo station® for kumo cloud®, Procon BACnet® and Modbus® Interface, Remote Operation Adapter+, Thermostat Interface, USNAP Adapter, Wireless Interface for kumo cloud®
- Remote Sensor: Flush Mount Remote Temperature Sensor, Remote Temperature Sensor, Wireless temperature and humidity sensor for kumo cloud®
- Wired Remote Controller: Deluxe Wired MA Remote Controller, Simple Ductless Wired Remote Controller, Simple MA Remote Controller, Touch MA Controller
- Wireless Remote Controller: kumo touch™ RedLINK™ Wireless Controller, Wireless MA Receiver, Wireless Remote Controller, Wireless Receiver Kit, Wireless Receiver Kit with i-See sensor™™
- Condensate: Blue Diamond (Advanced) Mini Condensate Pump w/ Reservoir & Sensor, Blue Diamond (MegaBlue Advanced) Condensate Pump w/ Reservoir & Sensor, Refco Condensate Pump (100-240 VAC) up to 120,000 BTU/H
- Disconnect Switch: TAZ-MS303 (30A/600V/UL) [fits 2" x 4" utility box] - Black
- Lineset: Available in various lengths (10', 15', 30', 50', 65', 100') with 3/8" and 5/8" tubing and twin-tube insulation.
Outdoor Unit Accessories
- Air Outlet Guide: Air Outlet Guide (1 Piece)
- Control/Service Tool: Control/Service Tool, M- & P-Series Maintenance Tool Cable Set, USB/UART Conversion Cable (Required for all laptop connection)
- M-NET Converter: M-NET Converter
- Mini-Split Wire: 14 Gauge, 4 wire MiniSplit Cable (250 ft. roll, 50 ft. roll), 16 Gauge, 4 wire MiniSplit Cable (250 ft. roll, 50 ft. roll)
- Mounting Pad: Condensing Unit Mounting Pad: 24" x 42" x 3"
- Stand: 18" Dual Fan Stand, 24" Dual Fan Stand, Condenser Wall Bracket, Condenser Wall Bracket - Stainless Steel Finish, Outdoor Unit Stand - 12" High
- Wind Baffle: Front Wind Baffle, Rear Wind Baffle, Side Advanced Wind Baffle (two pieces are required for PAC-SH96SG-E and WB-PA3)
Indoor Unit Dimensions (PCA-A42KA8)
Diagrams illustrating front view, side view, and top view with detailed measurements in inches (mm) are provided. Key connection points include electrical box, drainage pipe connections, refrigerant pipe connections (gas and liquid), knockout holes for various arrangements, and air intake/outlet.
Outdoor Unit Dimensions (PUY-A42NKA7)
Diagrams show service space requirements, foundation bolt locations, and piping/wiring directions. The unit can be connected from four directions: Front, Right, Rear, and Below. Piping knockout hole details are provided, including conduit hole sizes and locations for front, rear, right, and bottom piping. The unit requires foundation bolts (M10/W3/8) for secure installation.
