SAFETY PRECAUTIONS The original instructions are written in English. All other languages are translations of the original instructions. • Read these Safety Precautions carefully to ensure correct installation. • This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. WARNING....Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury.
• This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial and household use by lay persons. • Sound pressure level is less than 70 dB (A). ACCESSORIES Insulation Washer for...
CHOOSING A SITE Select the signal receiver mounting location according to the following conditions: • Install the signal receiver, which has a built-in temperature sensor, near the intake vent where there is convection of air and it can get an accurate reading of the room’s temperature. If the Air discharge grille: intake vent is in another room or the unit cannot be installed near the intake vent for any Wooden or plastic grille is recommended...
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PREPARATIONS BEFORE INSTALLATION Mount chamber lid and air filter (accessory). Air inlet In case of bottom suction: (1)Remove the chamber lid. (7 locations) (2)Reattach the removed chamber lid in the orientation shown in the figure. (7 locations) Chamber lid Chamber lid (3)Attach the air filter (accessory) in the manner shown in the diagram.
INDOOR UNIT INSTALLATION As for the parts to be used for installation work, be sure to use the provided accessories and specified parts designated by our company. Install the indoor unit temporarily. [ How to secure washers ] [ Securing the hanger bracket ] •...
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OUTDOOR UNIT INSTALLATION Install as described in the installation manual supplied with the outdoor unit. REFRIGERANT PIPING WORK See the installation manual supplied with the outdoor unit. FLARING THE PIPE END 1) Cut the pipe end with a pipe cutter. 2) Remove burrs with the cut surface facing downward (Cut exactly at right angles.) Remove burrs...
REFRIGERANT PIPING WORK 3) After the work is finished, make sure to check that there is no Coat here with refrigeration Torque wrench gas leak. machine oil Spanner Flare nut Piping union 4) After checking for gas leaks, be sure to insulate the pipe connections. •...
DRAIN PIPING WORK Caution Make sure all water is out before making the duct connection. Install the drain piping. Drain pipe connection hole • Make sure the drain works properly. • The diameter of the drain pipe should be greater than or equal to the diameter of the connecting pipe (vinyl tube;...
INSTALLING THE DUCT Connect the duct supplied in the field. Air inlet side • Attach the duct and intake-side flange (field supply). • Connect the flange to the main unit with accessory screws (in 16, 20 or 24 positions). • Wrap the intake-side flange and duct connection area with aluminum tape or something similar to prevent air escaping. Caution When attaching a duct to the intake side, be sure also to attach an air filter inside the air passage on the intake side.
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WIRING See the installation manual supplied with the outdoor unit. HOW TO CONNECT WIRINGS. • Wire only after removing the control box lid as shown in the figure. Control box lid • Make sure to let a wire go through a wire penetration area. Power supply wiring •...
Warning Do not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical shock, or fire. To outdoor unit When wire length exceeds 10m, use 2.0mm wires. Indoor 1.6mm or 2.0mm unit H07RN-F TRIAL OPERATION AND TESTING Trial operation and testing (1) Measure the supply voltage and make sure that it falls in the specified range.
WIRING DIAGRAM : FIELD WIRING : BLACK : PURPLE : CONNECTOR : BLUE : RED : WIRE CLAMP : BROWN : WHITE : GREY : YELLOW : PROTECTIVE EARTH (SCREW) : LIVE : ORANGE : GREEN : NEUTRAL : PINK INDOOR UNIT RECEIVER/DISPLAY UNIT A1P......PRINTED CIRCUIT BOARD...