Mitsubishi Electric PLA-A12EA7 & PUY-A12NKA7(-BS) Ceiling Cassette System
12,000 BTU/H | 3' X 3' Ceiling Cassette | 12,000 BTU/H Cooling Only Outdoor Unit
System Overview
This document outlines the specifications and features of the Mitsubishi Electric PLA-A12EA7 Ceiling Cassette Indoor Unit and the PUY-A12NKA7(-BS) Outdoor Unit. This system is designed for cooling-only applications and offers a 12,000 BTU/H capacity.
Indoor Unit Features (PLA-A12EA7)
- Space-efficient ductless installation
- Equipped with 3D i-see Sensor® for enhanced comfort and energy efficiency
- Airflow settings for high and low ceiling applications
- Individual vane settings for direct/indirect airflow control or variable airflow patterns
- Knockouts for outside-air intake and branch-duct run
- Filter indicator signal
- Easy-to-clean, washable filter (optional high-efficiency filter available)
- Built-in condensate lift mechanism
- Ideal for various commercial spaces such as retail shops, classrooms, office spaces, conference centers, and building lobbies.
- Multiple control options available, including kumo cloud® smart device app, third-party interfaces, and wired or wireless controllers.
Outdoor Unit Features (PUY-A12NKA7)
- Variable speed INVERTER-driven compressor
- Power receiver pre-charged with refrigerant for piping lengths 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
Specifications
| Specification | Indoor Unit (PLA-A12EA7) | Outdoor Unit (PUY-A12NKA7) |
|---|---|---|
| Capacity (Cooling) | 12,000 BTU/H | 12,000 BTU/H |
| SEER | 27.0 | - |
| EER | 16.4 | - |
| Voltage | 208/230V, 1-Phase, 60Hz | 208/230V, 1-Phase, 60Hz |
| Airflow Rate (Cooling, Dry) | 420-460-490-530 CFM | 1590 CFM |
| Sound Pressure Level (Cooling) | 27-28-29-30 dB[A] | 44 dB(A) |
| Refrigerant | R410A | R410A |
| Chargeless Piping Length | - | 70.0 ft [21.0 m] |
| Unit Dimensions (W x D x H) | 33-1/16" x 37-13/32" x 10-5/32" [840 x 950 x 258 mm] | 31-13/16" (+2-7/16") x 11-13/16" x 24-13/16" [809 (+62) x 300 x 630 mm] |
| Unit Weight | 46 lbs [21 kg] | 92 lbs [41 kg] |
| Indoor Unit Operating Temp. (Cooling) | 77°F DB / 59°F WB | - |
| Outdoor Unit Operating Temp. (Cooling) | - | -40°F DB to 115°F DB |
Indoor Unit Accessories
A variety of accessories are available for the PLA-A12EA7 indoor unit, including:
- Control Interfaces (e.g., BACnet® and Modbus® Interface, kumo cloud® interface)
- Remote Sensors
- Wired Remote Controllers (e.g., Deluxe MA Remote Controller, Touch MA Controller)
- Wireless Remote Controllers
- Casement options (Multi-function Casement)
- Condensate pumps
- Disconnect Switches
- Filters (High Efficiency Filter Element)
- i-see Sensor® Panels
- Linesets of various lengths
- Shutter Plates and Space Panels
Outdoor Unit Accessories
Accessories for the PUY-A12NKA7(-BS) outdoor unit include:
- Air Outlet Guides
- Centralized Drain Pans
- Control/Service Tools
- Drain Sockets
- Hail Guards
- M-NET Converters
- Mini-Split Wire in various gauges and lengths
- Mounting Pads and Stands
- Wind Baffles (Front, Rear, Side Advanced)
Indoor Unit Dimensions (PLA-A12EA7)
Detailed dimensional drawings are provided for the indoor unit, illustrating installation clearances, pipe connections, and component locations. Key dimensions include:
- Unit dimensions: 33-1/16" x 37-13/32" x 10-5/32" [840 x 950 x 258 mm]
- Required ceiling opening for grille: 37-3/8" (950 mm)
- Drain pipe connection: VP-25 (O.D. 1-1/4" (32) PVC TUBE)
- Suspension bolt size: M10 or W3/8
Refer to the diagrams for precise measurements and installation guidance.
Outdoor Unit Dimensions (PUY-A12NKA7(-BS))
Dimensional drawings for the outdoor unit show overall dimensions, air intake/discharge locations, terminal connections, and mounting details. Key dimensions include:
- Unit dimensions: 31-7/8" x 19-3/8" x 24-13/16" [809 x 492 x 630 mm]
- Installation bolt pitch: 19-11/16" (500 mm)
- Foundation bolt size: M10 (W 3/8)
- Piping and wiring connections are made from the rear direction.
Recommended free space around the outdoor unit is a minimum of 3-15/16" (100 mm) on the rear and sides, with both sides open for optimal airflow.
Seacoast Protection (-BS Models)
The -BS models feature enhanced corrosion resistance for coastal environments, including:
- External Outer Panel: Phosphate coating + Acrylic-Enamel coating
- Fan Motor Support: Epoxy resin coating
- Separator Assembly Valve Bed: Epoxy resin coating
- Blue Fin treatment on the condenser coil for protection against airborne contaminants.
