English 1CONTENTS1. SAFETY CONSIDERATIONS ....................................................................................12. BEFORE INSTALLATION ..........................................................................................33. SELECTING INSTALLATION SITE ............................................................................54. PREPARATIONS BEFORE INSTALLATION .............................................................65. INDOOR UNIT INSTALLATION ..................................................................................76. REFRIGERANT PIPING WORK ................................................................................97. DRAIN PIPING WORK ..............................................................................................118. WIRING EXAMPLE ..................................................................................................149. ELECTRIC WIRING WORK .....................................................................................1510. FIELD SETTINGS ....................................................................................................1811. INSTALLATION OF THE DECORATION PANEL ....................................................1912. TEST OPERATION ..................................................................................................1913. WIRING DIAGRAM ..................................................................................................221. SAFETY CONSIDERATIONSPlease read these “SAFETY CONSIDERATIONS” carefully before installing air conditioning equipment andbe sure to install it correctly. After completing the installation, make sure that the unit operates properly dur-ing the start-up operation. Please instruct the customer how to operate the unit and keep it maintained.Also, inform customers that they should store this installation manual along with the operation manual forfuture reference.This air conditioner comes under the term “appliances not accesible to the general public”.Meaning of warning and caution symbolsWARNING ..........Failure to observe a warning may result in death.CAUTION ...........Failure to observe a caution may result in injury or damage to the equipment.WARNINGWARNING• Ask your dealer or qualified personnel to carry out installation work. Do not try to install the machine your-self.Improper installation may result in water leakage, electric shocks or fire.• Perform installation work in accordance with this installation manual.Improper installation may result in water leakage, electric shocks or fire.• Be sure to use only the specified accessories and parts for installation work.Failure to use the specified parts may result in water leakage, electric shocks, fire or the unit falling.• Install the air conditioner on a foundation strong enough to withstand the weight of the unit.A foundation of insufficient strength may result in the equipment falling and causing injuries.• Carry out the specified installation work after taking into account strong winds, typhoons or earthquakes.Improper installation work may result in the equipment falling and accidents.• Make sure that a separate power supply circuit is provided for this unit and that all electrical work is car-ried out by qualified personnel according to local laws and regulations and this installation manual.An insufficient power supply capacity or improper electrical construction may lead to electric shocks orfire.• Make sure that all wiring is secured, the specified wires are used, and no external forces act on the termi-nal connections or wires.Improper connections or installation may result in fire.FFQ25BV1BSPLIT SYSTEM Air Conditioners Installation manualFFQ35BV1BFFQ50BV1BFFQ60BV1B