English 1FHQ35BVV1BFHQ50BVV1BFHQ60BVV1BFHQ71BVV1BFHQ100BVV1BFHQ125BVV1BFHQ35BWV1BFHQ50BWV1BFHQ60BWV1BSPLIT SYSTEMAir ConditionerInstallation manualCONTENTS1. SAFETY PRECAUTIONS...............................................................................................12. BEFORE INSTALLATION ..............................................................................................33. SELECTING INSTALLATION SITE................................................................................54. PREPARATIONS BEFORE INSTALLATION .................................................................65. INDOOR UNIT INSTALLATION .....................................................................................86. REFRIGERANT PIPING WORK ....................................................................................97. DRAIN PIPING WORK .................................................................................................138. WIRING EXAMPLE ......................................................................................................159. ELECTRIC WIRING WORK .........................................................................................1610. FIELD SETTINGS ........................................................................................................1911. TEST OPERATION ......................................................................................................2112. WIRING DIAGRAM ......................................................................................................25The English text is the original instruction. Other languages are translations of the original instructions.1. SAFETY PRECAUTIONSPlease read these “SAFETY PRECAUTIONS” carefully before installing air conditioning equipment and besure to install it correctly.Meaning of WARNING and CAUTION notices.Both are important notices for safety. Be sure to follow them.WARNING ......... Failure to follow these instructions properly may result in personal injury or loss of life.CAUTION .......... Failure to observe these instructions properly may result in property damage orpersonal injury, which may be serious depending on the circumstances.After completing installation, conduct a test operation to confirm that the equipment operates without anyproblems. Then, explain to the customer how to operate the equipment and take care of it following theoperation manual. Ask the customer to store the installation manual along with the operation manual for futurereference.This air conditioner comes under the term “appliances not accessible to the general public”.WARNING• Ask your dealer or qualified personnel to carry out installation work.Do not attempt to install the air conditioner yourself. Improper installation may result in water leakage,electric shocks or fire.• Install the air conditioner in accordance with the instructions in this installation manual.Improper installation may result in water leakage, electric shocks or fire.• When installing the unit in a small room, take measures so that the refrigerant may not exceed the limitingconcentration in the event of refrigerant leakage.Contact your dealer for further information. If the refrigerant leaks and exceeds the limiting concentration,it may lead to oxygen deficiency.