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Fujitsu Inverter Halcyon ASU24CL, Installation Manual

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Fujitsu Inverter Halcyon ASU24CL Installation Manual Download Page 8

The method of adjusting inter-unit wire harness

To connect inter-unit wire harness to the terminal correctly, please
refer to the figure to adjust the length of the part of Inter-unit Wire
harness ahead from conduit holder.

7-1/2" (190mm)

1" (25mm)

1" (25mm)

7" (175mm)

(1:1)

14AWG

EARTH WIRE

CONDUIT HOLDER

CONDUIT CONNECTOR

Summary of Contents for Inverter Halcyon ASU24CL

Page 1: ...ng tightly Loose wiring may cause overheating at con nection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceilin...

Page 2: ...rigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause breakage injury etc WARNING CAUTION When installing pipes shorter than 10 ft 3m sound of the outdoor unit will be transferred to the indoor unit which will cause large operating sound or some abnormal sound Special tools for R410A Contents of change Pressure...

Page 3: ...eration lubricant E Clamps or saddles to secure refrigerant piping 3 OPERATING RANGE CAUTION 1 When adding refrigerant add the refrigerant from the charging port at the completion of work 2 The maximum length of the piping is 99 ft 30 m If the units are further apart than this cor rect operation can not be guaranteed Name and Shape Q ty Name and Shape Q ty Wall hook bracket Remote control unit Bat...

Page 4: ...CAUTION 1 Do not install where there is the danger of com bustible gas leakage 2 Do not install near heat sources 3 If children under 10 years old may approach the unit take preventive measures so that they can not reach the unit 4 Install the indoor unit on the wall where the height from the floors more than 240 cm INDOOR UNIT Indoor unit piping direction The piping can be connected in the 7 dire...

Page 5: ...all the wall hook bracket horizontally and perpen dicularly FORMING THE DRAIN HOSE AND PIPE Rear piping Right piping Bottom piping Install the indoor unit piping in the direction of the wall hole and bind the drain hose and pipe together with vinyl tape Install the piping so that the drain hose is at the bottom Wrap the pipes of the indoor unit that are visible from the outside with decorative tap...

Page 6: ...G PIPES 1 When bending the pipe be careful not to crush it 2 To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 6 150 mm or over 3 If the copper pipe is bend the pipe or pulled to often it will become stiff Do not bend the pipes more than three times at one place Tighten with two wrenches Torque wrench Wrench fixed Flare nut Indoor unit pipe Connection pi...

Page 7: ... tighten securely with the terminal screw using a screwdriver B For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to about 3 8 10 mm to expose the strand wiring 2 Using a screwdriver remove the terminal screw s on the terminal board 3 Using a round terminal fastener or pliers securely clamp a round terminal to each stripped wire end 4 Position...

Page 8: ...nect inter unit wire harness to the terminal correctly please refer to the figure to adjust the length of the part of Inter unit Wire harness ahead from conduit holder 7 1 2 190mm 1 25mm 1 25mm 7 175mm 1 1 14AWG EARTH WIRE CONDUIT HOLDER CONDUIT CONNECTOR ...

Page 9: ...8 At the end of pump down close the low pressure side gauge of the gauge manifold fully and stop the vacuum pump 9 Slowly loosen the valve stem of the 3 way valve When the compound pressure gauge reading reaches 0 1 0 2 MPa retighten the valve stem and disconnect the charge hose from the 3 way valve charging port If the stem of the 3 way valve is opened fully before the charge hose is disconnected...

Page 10: ... be sure all wiring is tightly connected Connect wires to the matching numbers of ter minals NOTE Connector trade size for this unit is 1 2 12 7 mm The connector can be bought at a hardware store Refer to How to connect wir ing to the terminals for instructions on connecting depending on the wire type you are using The fuse located in the outdoor unit provides power supply pro tection and may blow...

Page 11: ...intake grille is removed THE INTAKE GRILLE INSTALLATION 1 The fixing axle of the intake grille is installed on the Panel 2 Lay down the intake grille THE FRONT PANEL REMOVAL 1 Remove intake grille Reference the intake grille removal 2 Remove six screws 3 The thumb is hung on the lower part as shown in the figure and it pulls to the front pushing mark and bottom hooks two position is removed from w...

Page 12: ... the power check if the voltage is within the 208 V 10 to 230 V 10 range 3 Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner 4 Use a circuit breaker and receptacle matched to the capacity of the air conditioner 5 Do not extend the power cord 6 Perform wiring work in accordance with stand ards so that the air conditioner can be operated...

Page 13: ...f 3 way valve when the reading on the compound pressure gage becomes 0 05 0 MPa 0 5 0 kg cm2 5 Stop the operation Press the START STOP button of the remote control unit to stop the operation Press the MANUAL AUTO button when stopping the operation from indoor unit side It is not necessary to press on keeping for more than 10 seconds CAUTION Install heat insulation around both the gas and liquid pi...

Page 14: ... Insure the length of wire is not over the recommended maximum length Before setting up the wired remote control unit please confirm whether air conditioner can receive the signal ONT PANEL CONTROL BOX COVER AND DISPLAY CASE REMOVAL r to FRONT PANEL REMOVAL AND INSTALLATION to remove the front panel ove screws then remove the control box cover ove the display case and connector NNECTING TO CONTROL...

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