Mitsubishi Electric MSZ-GA25VA - Manuals

Page 2 - CONTENTS; Marks and their meanings

2 • This air conditioner is NOT intended for use by children or infirm persons without supervisions. Do not use intermediate connection of the power supply cord or the extension cord and do notconnect many devices to one AC outlet. • A fire or an electric shock may result from poor contact, poor ins...

Page 3 - For installation; SAFETY PRECAUTIONS; Indoor unit

3 Do not use the unit for special purposes. • Do not use this air conditioner to preserve precision devices, food, animals, plants and art objects.This may cause deterioration of quality, etc. Do not put a stove, etc. where they are exposed to direct airflow. • This may cause imperfect combustion. W...

Page 4 - NAME OF EACH PART; Remote controller; PREPARATION BEFORE OPERATION; Auto restart function

4 (This diagram shows an overall view.) NAME OF EACH PART Remote controller PREPARATION BEFORE OPERATION Auto restart function ■ These models are equipped with an auto restart function. If you do not want to use this function,please consult the service representative because the setting of the unit ...

Page 5 - How to set the batteries and the current time; Press the RESET button.; When the remote controller cannot be used (emergency operation)

5 Remote controller How to set the batteries and the current time 1 Remove the front lid and insert batteries.Then reattach the front lid. Insert the minus pole of the batteries first.Check if the polarity of the batteries is correct. 2 Press the RESET button. • If the RESET button is not pressed, t...

Page 6 - Press the

6 To select the AUTO mode: 1 Press the ON/OFF button. 2 Select the (AUTO) mode by pressing the MODE button. Each time this button is pressed, the operation mode is changed in sequence: (AUTO) → (COOL) → (DRY) → (HEAT) The set temperature is also displayed on the remote controller. To stop operation:...

Page 7 - AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT

7 To select the COOL, DRY or HEAT mode: 1 Press the ON/OFF button. 2 Select the operation mode by pressing the MODE button. Each time this button is pressed, the operation mode is changed in sequence: (AUTO) → (COOL) → (DRY) → (HEAT) To stop operation: ■ Press the ON/OFF button. After the operation ...

Page 8 - Movement of the horizontal vane

8 AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ■ To change the horizontal direction of the air flow, move the vertical vane manually. Adjust the vane before operation starts.Since the horizontal vane moves automatically, your fingers may be caught. To change the air flow direction not to blow directly...

Page 9 - ECONO COOL OPERATION; MAINTENANCE

9 ECONO COOL OPERATION Use this operation when you want to be comfortable in COOL mode even with energy saved. Perform the following operations while the unit is operat-ing in the MANUAL COOL mode. ■ Press the ECONO COOL button. When the (ECONO COOL) operation is selected in COOL mode, the aircondit...

Page 10 - CLEANING THE CATECHIN AIR FILTER; Cleaning the catechin air filter (about once every 2 weeks); Install the catechin air filter.; Front panel; CLEANING THE FRONT PANEL, HEAT EXCHANGER AND FAN

10 CLEANING THE CATECHIN AIR FILTER Cleaning the catechin air filter (about once every 2 weeks) 3 After washing with water/lukewarm water, drythe catechin air filter well in the shade. • Do not expose the catechin air filter to direct sun-light or heat from a fire when drying it. 4 Install the catec...

Page 11 - REPLACEMENT OF THE AIR CLEANING FILTER (OPTION); Air cleaning filter replacement (about once every year); Securely close the front panel.; CLEANING THE AIR CLEANING FILTER (OPTION); Cleaning the air cleaning filter (about once every 3 months)

11 1 Remove the catechin air filter (left one). The air cleaning filter is not attached to the right sidecatechin air filter. 2 Pull up the tabs on both sides of the air clean-ing filter with your finger and remove the aircleaning filter (blue bellows type) from thecatechin air filter. REPLACEMENT O...

Page 12 - Put the vertical vanes back to their original positions one by one.; After Cleaning; CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT; Before cleaning; Swing the vertical vanes out one by one.

12 4 Clean the air outlet and fan of the indoor unit. (Make sure the fan has stopped.) • Be careful not to injure your hands. • If the air outlet or fan is dirty, moldy, or dusty, clean with a wet or dry soft cloth or with the brush of QUICK CLEAN KITwhich is installed to a vacuum cleaner. If the di...

Page 13 - WHEN YOU THINK THAT TROUBLE HAS OCCURRED

13 BEFORE CONTACTING THE SERVICE REPRE-SENTATIVE, CHECK THE FOLLOWING AGAIN Question The air conditioner cannotbe operated for about 3 min-utes when restarted. Cracking sound is heard. The air from the indoor unitsmells strange. The fan of the outdoor unitdoes not rotate even thoughthe compressor is...

Page 14 - Guaranteed operating range; GA22 has no specifications for single com-

14 INSTALLATION, RELOCATION AND INSPECTION Installation place Avoid installing the air conditioner in the following places. • Where flammable gas could leak. CAUTION: Do not install the unit where flammable gas could leak.If gas leaks and collects around the unit, it may causean explosion. • Where t...