Mitsubishi Electric MSZ-AP42VGKD User Manual

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SPLIT-TYPE AIR CONDITIONERS

English

OPERATING INSTRUCTIONS

For user

• To use this unit correctly and safely, be sure to read these operating

instructions before use.

MSZ-AP22VGD MSZ-AP25VGD MSZ-AP35VGD MSZ-AP42VGD MSZ-AP50VGD

MSZ-AP22VGKD

MSZ-AP25VGKD

MSZ-AP35VGKD

MSZ-AP42VGKD

MSZ-AP50VGKD

INDOOR UNIT

JG79Y333H01_6th.indd 1 2018/06/19 10:28:01

Questions and Answers:

M
morgangravesAug 18, 2025
Why is my Mitsubishi Electric MSZ-AP42VGKD Air Conditioner not cooling or heating sufficiently?
- K
  Kenneth DixonAug 18, 2025
  If your Mitsubishi Electric Air Conditioner isn't cooling or heating enough, try these steps: * Adjust the temperature setting. * Set the fan speed to High or Super High. * Clean the filters and the fan or heat exchanger of the indoor unit. * Remove any obstacles blocking the air inlet or outlet of the indoor or outdoor unit. Also, ensure windows and doors are closed and that NIGHT MODE is disabled. Keep in mind it may take some time to reach the desired temperature depending on room size and ambient conditions.
A
Amanda SanchezAug 20, 2025
How to fix a Mitsubishi Electric MSZ-AP42VGKD remote that isn't working?
- C
  Claudia DavidsonAug 20, 2025
  If the display on your Mitsubishi Electric Air Conditioner remote is dim or the indoor unit isn't responding, the batteries may be exhausted. Try replacing them, ensuring you correct the battery polarity (+, -). Also, make sure no other remote control buttons are being pressed simultaneously.
D
Darrell KingAug 23, 2025
Why is my Mitsubishi Electric MSZ-AP42VGKD Air Conditioner not cooling enough?
- J
  Jared MorrisAug 23, 2025
  If your Mitsubishi Electric Air Conditioner isn't cooling the room enough, consider that using a ventilation fan or gas cooker increases the cooling load. Reduce their use to improve cooling. Also, on very hot days, the cooling effect might be less noticeable; wait for cooler outdoor conditions.
M
Mary JohnsonAug 26, 2025
Why is my Mitsubishi Electric MSZ-AP42VGKD not heating enough?
- K
  khobbsAug 26, 2025
  If your Mitsubishi Electric Air Conditioner isn't heating the room sufficiently, the outside temperature may be too low. In this case, you may need to wait for warmer outdoor conditions to improve heating performance.
A
ashleyschaeferAug 27, 2025
What to do if Mitsubishi Electric Air Conditioner weekly timer is not working?
- A
  Abigail FritzAug 28, 2025
  If the weekly timer on your Mitsubishi Electric Air Conditioner isn't working correctly: * Check the ON/OFF timer setting. * Ensure the setting information is successfully transmitted. * If there was a power failure, reset the indoor unit clock.
J
Jeffrey CollinsAug 30, 2025
Why does my Mitsubishi Electric MSZ-AP42VGKD Air Conditioner smell bad?
- M
  Mr. Kenneth HughesAug 30, 2025
  If the air from your Mitsubishi Electric Air Conditioner smells strange, start by cleaning the filters and the fan or heat exchanger of the indoor unit. The unit might be sucking in odors from the wall, carpet, furniture, or cloth. Try to identify and remove these odor sources.
D
Dr. Steve FreemanSep 1, 2025
Why does my Mitsubishi Electric MSZ-AP42VGKD stop for 10 minutes when heating?
- J
  James BarkerSep 2, 2025
  If your Mitsubishi Electric Air Conditioner stops for about 10 minutes during heating, the outdoor unit is likely in defrost mode. Wait for the defrosting process to complete.
R
Roger WilliamsSep 4, 2025
What to do if my Mitsubishi Electric MSZ-AP42VGKD connects to the indoor unit but not the server?
- P
  pattersonwilliamSep 4, 2025
  If your Mitsubishi Electric Air Conditioner fails to connect to the server but connects to the indoor unit, check if the Router is connected to the internet.
J
justingilbertSep 7, 2025
What to do if my Mitsubishi Electric MSZ-AP42VGKD won't connect to server?
- G
  gonzalezkarenSep 7, 2025
  If your Mitsubishi Electric Air Conditioner fails to connect to the server and is starting up the indoor unit connection, check if the Router is connected to the internet.
S
Stephanie WilliamsSep 9, 2025
What to do if my Mitsubishi Electric MSZ-AP42VGKD Air Conditioner fails to connect to the Router and indoor unit?
- E
  Elijah MurphySep 9, 2025
  If your Mitsubishi Electric Air Conditioner fails to connect to the Router and the indoor unit, check the DHCP Settings of the Router, or check IP address settings of the Wi-Fi interface.

Mitsubishi Electric MSZ-AP42VGKD Specifications

General

Cooling Capacity	4.2 kW
Heating Capacity	5.0 kW
Energy Efficiency Class Cooling	A++
Power Supply	220-240 V, 50 Hz
Outdoor Unit Dimensions (W x H x D)	800 x 550 x 285 mm
Weight (Indoor Unit)	9.5 kg
Refrigerant	R32
Type	Split System
Seasonal Energy Efficiency Ratio (SEER)	6.1
Energy Efficiency Class Heating	A

Summary

Safety Precautions

Unit Symbol Meanings

Explains symbols displayed on the indoor and outdoor units for safety warnings.

Important Safety Notes

Highlights critical maintenance advice for filters to prevent condensation and fungi growth.

Installation Safety Precautions

Details safety guidelines and warnings related to the installation of the air conditioner unit.

Wi-Fi Interface Safety Precautions

Outlines important safety warnings and precautions for using the Wi-Fi interface.

Preparation Before Operation

Selecting Operation Modes

Fan Speed and Airflow Direction Adjustment

Up-Down Airflow Direction Control

Left-Right Airflow Direction Control

Econo Cool Operation

Timer Operation (ON/OFF Timer)

Weekly Timer Operation

Setting the Weekly Timer

Step-by-step guide to program the weekly timer with specific ON/OFF times and temperatures.

Emergency Operation

Cleaning

Cleaning the Air Filter

Instructions for cleaning the air purifying filter and the anti-allergy enzyme filter.

Wi-Fi Interface Setting Up

Option 1 - Access Point Mode Pairing

Option 2 - WPS-Push Pairing

Wi-Fi Interface Troubleshooting

Provides solutions for common connection errors and issues with the Wi-Fi interface.

Troubleshooting Common Issues

Indoor Unit Symptoms and Solutions

Lists common problems with the indoor unit and their corresponding explanations and checks.

Remote Controller and Airflow Issues

Unit Sounds and Operation Anomalies

Installation Place and Electrical Work

Specifications

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