SAFETY PRECAUTIONS Thank you very much for your purchase of this packaged air conditioning system produced by Mitsubishi Heavy Industries. Please read through this manual before using the product and use the product appropriately according to the instructions in the manual. After you have read the manual, store it with the warranty certifi cate in a safe place. It will help you when you have questions or problems. hazard alarm”. { marks mean prohibited items. The specified prohibited item is described in the circle or in the vicinage. z marks mean compulsory action or instruction. The specified prohibited item is described in the circle. The left mark means “Earth is needed”.
After you have read the manual, always store it where other users can refer to at any time. If a new owner takes over the system, make sure to pass this manual. Please read these “SAFETY PRECAUTIONS” before starting to use this product and use the product appropriately according to the instructions. Do not vent R410A into the atmosphere: R410A is a fl uorinated greenhouse gas, covered by the Kyoto Protocol with a Global Warming Potential (GWP) = 1975. ENGLISH The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB(A). The precautions provided here are classified into “ DANGER” and “ CAUTION”.
The “ DANGER” sections describe potentially hazardous situations that may lead to serious outcomes such as death and sericus injuries if the product is mishandled. Note, however, that depending on the situation, the items listed in the “ CAUTION” sections do also have the potential of causing serious outcomes. Both warnings and cautions provide you important information related to safety ; please make sure to observe them.
SAFETY PRECAUTIONS J ...................................................................................................................................................1 TABLE OF CONTENTS HOW TO USE J NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS “WIRED REMOTE CONTROL” ...........................................................................................................................................4 HOW TO PERFORM THE TIMER OPERATION .................................................................................................................5 HOW TO OPERATE ............................................................................................................................................................5 THE SELECTION OF TIMER MODE ...............................................................................................................................5 SETTING THE TIME.........................................................................................................................................................6 SLEEP TIMER MODE ......................................................................................................................................................6 OFF TIMER MODE ...........................................................................................................................................................6 ON TIMER MODE ............................................................................................................................................................7 WEEKLY TIMER MODE ...................................................................................................................................................7 TIMER CANCELLATION MODE ....................................................................................................................................10 HOW TO OPERATE IN SILENT MODE ............................................................................................................................10 HOW TO ADJUST THE LOUVER .....................................................................................................................................11 HOW TO SET THE AIRFLOW DIRECTION (IN CASE OF FDT, FDTC, FDE, FDK, FDFW) ............................................11 HOW TO OPERATE VENTILATION ..................................................................................................................................12 FOR COMFORTABLE USE ..............................................................................................................................................12 INSPECTION DISPLAY, FILTER SIGN, AIR CONDITIONER NUMBER, STANDBY, ROOM TEMPERATURE AND BACK UP DISPLAY ..........................................................................................................................................................13 NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS WIRELESS REMOTE CONTROL .....................................................................................................................................13 INSTALLATION PRECAUTIONS HOW TO OPERATE ..........................................................................................................................................................14 CURRENT TIME SETTING PROCEDURE ......................................................................................................................14 DANGER ON – TIMER OPERATION ................................................................................................................................................14 OFF – TIMER OPERATION ..............................................................................................................................................14 Make sure to have the installation done by your dealer or a specialist.
If you install by yourself and the unit is not properly installed, water leakage, electric shock, fire and injuries caused by the drop of the unit may occur. Electrical installation work must be performed by an electrical installation PROGRAM TIMER OPERATION ......................................................................................................................................14 HOW TO ADJUST THE LOUVER ....................................................................................................................................15 The symbols used throughout the main text of this manual have the following meaning.
FOR COMFORTABLE USE ..............................................................................................................................................15 CHECK INDICATION, FILTER SIGN ................................................................................................................................15 FOR SMART USE J BACKUP BUTTON ............................................................................................................................................................16 TROUBLE SHOOTING J .....................................................................................................................................................18 NOTICE J HOW TO MAINTAIN ..........................................................................................................................................................16 marks mean danger, alarm, and caution.
The specified prohibited item is described in the triangle.
The left mark means “Shock PREPARATION OF HEATING ..........................................................................................................................................19 AUTO RESTART ...............................................................................................................................................................19 SETTING TO DISABLE BUTTON OPERATION ...............................................................................................................19 INSTALLATION, RELOCATION, AND INSPECTION MAINTENANCE.............................................................................19 OPERATION RANGE .......................................................................................................................................................19 1