To Next PageTo Next PageWhy is my Mitsubishi Electric Heat Pump noisier than the specifications indicate?
The indoor operation sound level of your Mitsubishi Electric Heat Pump is affected by the acoustics of the particular room.
What to do if my Mitsubishi Electric Mr. Slim PKA-A-KA7 Heat Pump's remote display is not working?
If nothing appears in the IR wireless remote controller display of your Mitsubishi Electric Heat Pump, the display is faint, or signals are not received by the indoor unit unless the IR wireless remote controller is close, the batteries are low. Replace the batteries and press the Reset button. If nothing appears even after the batteries are replaced, make sure that the batteries are installed in the correct directions (+, –).
Why does my Mitsubishi Electric Mr. Slim PKA-A-KA7 emit a white mist or vapor from the indoor unit?
If your Mitsubishi Electric Heat Pump emits a white mist or vapor from the indoor unit, this may occur when operation starts if the indoor temperature and humidity are high. Additionally, during defrosting mode, cool airflow may blow down and appear like a mist.
What to do if my Mitsubishi Electric Mr. Slim PKA-A-KA7 Heat Pump operates without pressing the ON/OFF button?
If your Mitsubishi Electric Heat Pump is operating without pressing the ON/OFF button, check if the on timer is set and press the ON/OFF button to stop operation. If the air conditioner is connected to a central wired remote controller or if “ ” appears in the wired remote controller display, consult the concerned people who control the air conditioner. Also, check if the auto recovery feature from power failures has been set and press the ON/OFF button to stop operation.
What to do if my Mitsubishi Electric Mr. Slim PKA-A-KA7 Heat Pump stops without pressing the ON/OFF button?
If your Mitsubishi Electric Heat Pump stops without pressing the ON/OFF button, check if the off timer is set and press the ON/OFF button to restart operation. If the air conditioner is connected to a central wired remote controller or if “ ” appears in the wired remote controller display, consult the concerned people who control the air conditioner.
Why doesn't warm air blow from the indoor unit soon when heating operation starts on my Mitsubishi Electric Heat Pump?
If your Mitsubishi Electric Heat Pump doesn't blow warm air from the indoor unit immediately when heating operation starts, warm air does not blow until the indoor unit has sufficiently warmed up.
Why does my Mitsubishi Electric Heat Pump stop before reaching the set temperature in heating mode?
If your Mitsubishi Electric Heat Pump stops before reaching the set room temperature during heating mode, it may be due to frost forming on the outdoor unit when the outdoor temperature is low and the humidity is high. Normal operation should begin after approximately 10 minutes.
Why does the airflow up/down direction change during operation on my Mitsubishi Electric Mr. Slim PKA-A-KA7?
If the airflow up/down direction changes during operation or cannot be set on your Mitsubishi Electric Heat Pump, note that during cooling mode, the vanes automatically move to the horizontal (down) position after 1 hour when the down (horizontal) airflow up/ down direction is selected. During heating mode, the vanes automatically move to the horizontal airflow up/down direction when the airflow temperature is low or during defrosting mode.
Why do the vanes move up and down past the set position when changing airflow direction on my Mitsubishi Electric Mr. Slim PKA-A-KA7 Heat Pump?
When the airflow up/down direction is changed on your Mitsubishi Electric Heat Pump, the vanes move to the set position after detecting the base position.
What causes the flowing water or hissing sound in my Mitsubishi Electric Heat Pump?
If you hear a flowing water sound or occasional hissing sound from your Mitsubishi Electric Heat Pump, these sounds can be heard when refrigerant is flowing in the air conditioner or when the refrigerant flow is changing.
General| Type | Heat Pump |
|---|---|
| Refrigerant | R410A |
| Coefficient of Performance (COP) | 3.5 |
| HSPF Rating | 9.0 |
| Power Supply | 208/230V, 1Ph, 60Hz |
| Operating Temperature (Cooling) | 14°F to 115°F |
| Outdoor Unit Noise Level | 49 dB |
| Series | PKA-A-KA7 |
| Weight (Indoor Unit) | 24.3 lbs |
| Indoor Unit Weight | 24.3 lbs |
Precautions to prevent user injury or death during operation and installation.
Precautions to prevent damage to the air conditioner unit itself.
Step-by-step guide to power the air conditioner unit on and off.
How to operate the unit using emergency buttons when the remote is unavailable.
Detailed steps for removing, cleaning, and reinstalling the air filters.
Solutions for common problems like poor cooling, heating, and unusual sounds.
Solutions for noise problems and issues with the IR remote controller display.
