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- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
Mitsubishi 24000 BTU Mini Split AC Wall Mount Indoor Unit With MHK2 | Light Commercial | R454B [PKA-AK24NL,MHK2] | R454B
- Indoor Unit: PKA-AK24NL
- Controller: MHK2
Mini Split Sizing BTU Calculator
Use this Free & Easy Mini Split BTU Calculator to Select the Right Size Mini Split AC or Heat Pump for your Home.
When using a mini split sizing calculator for rooms below a conditioned space, apply an additional .7 factor to your final Btu outcome.
For example, if your Btu requirement via this calculator is 18,000 Btu's: 18,000 Btu's x .7 factor = 12,600 Btu's required. When in doubt, it is okay to go up a size or two. Unlike standard non-variable systems, The mini split inverter technology allows the system to adjust to the actual room requirements in both heating and cooling.
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
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Mitsubishi 24000 BTU Mini Split AC Wall Mount Indoor Unit | Light Commercial | R454B
Model Number
PKA-AK24NL
Dimensions
46-1/16" W x 11-5/8" D x 14-3/8" H
Documents
Warranty
Parts: 10 years
MHK2 Kit
Mitsubishi Wireless Remote Controller
Model Number
MRCH2
Dimensions
4-5/64" W x 1-1/16" D x 4-5/64" H
Documents
Warranty
Parts: 5 years
Mitsubishi Wireless Receiver
Model Number
MIFH2
Dimensions
1-3/4" W x 39/64" D x 3-3/32" H
Documents
Warranty
Parts: 5 years
Mitsubishi Cable For Wireless Receiver
Model Number
MRC2
Length
39-23/64"
Documents
Warranty
Parts: 5 years
PKA-AK24NL Overview
This ductless wall-mounted unit features a modern, compact design that’s perfect for smaller commercial spaces like daycare centers, classrooms, churches, and small offices. It’s available as a single-zone or multi-zone system, giving you flexibility based on your needs.
With the ability to connect to outdoor units over long distances, it offers more installation options. Plus, the Dual Barrier Coating on key components helps keep the unit clean and running efficiently over time—reducing maintenance and improving performance.
Features
- Auto fan speed mode: Automatic adjustment of fan speed
- Ideal PKA spaces: Ideal for spaces such as server rooms, daycare centers, classrooms, churches, small offices, and more
- Light commercial: Units with this icon are suitable for light commercial applications such as small offices, restaurants, and retail.
- Multiple control options, including the comfort app for remote access, third-party interfaces, and both wired and wireless controllers
- Simple installation
- Single-zone: One outdoor unit connects to one indoor unit to control the comfort in a single space.
- Sleek, compact design
- Up and down swing-mode: An indoor unit with this capability can move air up and down throughout the room like an oscillating fan using the horizontal vanes.
- Vane settings: Vane setting for air flow direction control
Mitsubishi Wireless Wall Mounted Remote Controller Kit MHK2 Series Overview
MRCH2 Wireless Redlink Remote Controller Specifications
- Touchpanel, Backlit, easy-to-read display
- New RedLINK™ 3.0 wireless technology
- User functions allow user to set:
- - On/Off
- - Operation modes: cool, heat, drying, and fan
- - Set temperature(separate dual set points for heat and cool)
- - Fan speed setting
- - Airflow direction
- Set temperature range limits (dependent on the system connected):
- - Cooling from 50° to 99°F
- - Heating from 40° to 90°F
- - Auto from 50° to 90°F with dual temperature setting
- MHK2 Scheduling options:
- - No Schedule
- - MO-SU = Every day the same
- - MO-FR, SA, SU = 5-1-1schedule
- - MO-FR, SA-SU = 5-2 schedule
- - Each Day = Everyday individual
- - Allow kumo cloud to be schedule holder
- Hold function
- Temporary or Permanent schedule override
- Lockout:
- - On, Off, Mode, FanSpeed, Setpoint, VaneDirection
- Day/Time display with a 12 or 24-hour clock
- Supports both Fahrenheit and Celsius
- RedLINK™ Wireless Connection Status
- Filter sign display
- Diagnostics: Displays and records error codes
- Adjustable auto mode deadband
- Space temperature off set adjustment
- Space humidity off set adjustment
- Hide (on screen only)
- - Indoor temperature, Indoor humidity
- Temperature Sensing Source
- MHK2
- Indoor Unit
- RedLINK Wireless Indoor Air Sensor(IAS)
- Average of MHK2 and RedLINK Wireless Indoor Air Sensor (IAS)
- IndoorHumiditySource
- MHK2
- RedLINK Wireless Indoor Air Sensor (IAS)
- Average of MHK2 and RedLINK Wireless Indoor Air Sensor (IAS)
- Improved indoor unit function code list
- Indoor unit type
- Expanded to 28 indoor unit codes
- Reset to factory default
- Uses two “AA” alkaline batteries (included)
- Dimensions: 4-5/64” H x 4-5/64” W x 1-1/16” D (104x104x27mm)
- Operating Ambient Temperature: 32° to 120° F (0° to 48.9° C)
- Operating Relative Humidity: 5% to 90%
MIFH2 WIRELESS RECEIVER SPECIFICATIONS:
- Included in MHK2 Kit
- Mounts next to or near indoor units to allow MRCH2 Remote Controller operation
- Connects to indoor unit control board with MRC2 Cable
- Dimensions: 3-3/32” H x 1-3/4” W x 39/64” D (74.8 x 44.4 x 15.4 mm)
- Operating Ambient Temperature:-40° to 165°F(-40° to 73.9°C)
- Operating Relative Humidity: 5% to 95%
MRC2 CABLE
- Included in MHK2 Kit in the MIFH2 box
- Connects MIFH2 Wireless Receiver to the CN105 connectoron indoor unit control board
- Length: 39-23/64"(1m)
Who installs the AC unit after I purchase it?
ACDirect does not yet provide installation services directly. However, most of our customers successfully arrange installation through local licensed HVAC contractors. These systems are designed for professional installation and typically include the components your installer will need.
Here’s how it works:
- Hire a licensed HVAC technician in your area
- Use platforms like Angi, Thumbtack, or a local HVAC directory to find reliable professionals
- Confirm your installer is experienced with the system type you’re purchasing
Note:
Please be aware if you choose to install HVAC equipment yourself and don’t possess proper HVAC licensing, you will void the manufacturer’s factory warranty. If you are capable of a factory-compliant installation yourself, you will need a licensed HVAC contractor to sign off on your work, fully confirming factory-compliant workmanship.
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