Fujitsu Inverter Halcyon AOU12R2 Installation Manual Download Page 12

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The method of adjusting inter-unit wire harness

To connect inter-unit wire harness to the terminal correctly, please
refer to fig. 20 to adjust the length of the part of Inter-unit Wire har-
ness ahead from conduit holder.

5-1/2" (140mm)

15/16" (25mm)

4-3/16" (105mm)

(1:1)

14AWG

EARTH WIRE

CONDUIT PLATE

CONDUIT CONNECTOR

Fig. 20

Summary of Contents for Inverter Halcyon AOU12R2

Page 1: ... Connect all wiring 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 Mak...

Page 2: ...an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table1 Never use copper pipes thinner than 0 8mm even when it is available on the market Contents of change Pressure is high and cannot be measured with a conventional gauge To prevent erroneous mixing of other refrigeran...

Page 3: ... and must be purchased separately CAUTION 9000 BTU h 12000 BTU h MINIMUM CIRCUIT AMPACITY 12 A 15 A MAXIMUM OVERCURRENT PROTECTION 15 A 20 A TIME DELAY FUSE OR HACR TYPE CIRCUIT BREAKER Cut each pipe to the appropriate length 12 30 cm to16 40 cm to dampen vibration between units B Foamed polyethylene insulation for copper pipes as required to precise length of piping Wall thickness of the insulati...

Page 4: ... noise 5 Provide the space shown in Fig 2 so that the air flow is not blocked Also for efficient operation leave open three of the four direc tions front rear and both sides WARNING Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall CAUTION 1 Do not install where there is the danger of com bustible gas l...

Page 5: ...e is not used the cord interconnecting the indoor and outdoor units may touch metal and cause electric leakage CAUTION Install the wall hook bracket horizontally and perpen dicularly Fig 2 Wall hook bracket Tapping screw Center notch String 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 ta...

Page 6: ...ut Indoor unit pipe Connection pipe To prevent gas leakage coat the flare surface with refrigerator oil BENDING PIPES The pipes are shaped by your hands Be careful not to collapse them Do not bend the pipes in an angle more than 90 When pipes are repeatedly bent or stretched the material will harden making it difficult to bend or stretch them any more Do not bend or stretch the pipes more than thr...

Page 7: ...ecurely 10 Fully open the valve stems of the 2 way valve and 3 way valve using a hexagon wrench After the valve stem begins to turn turn it with a torque of less than 2 17ft lbs 30 kgf cm until it stops turning 11 Firmly tighten the 2 way valve and 3 way valve blank cap and the charging port cap Fig 9 Tapping screw Rear hook Connector cover Always use the screws as shown above Do not select the to...

Page 8: ...st Therefore be sure all wiring is tightly connected Connect wires to the matching numbers of terminals NOTE Connector trade size for this unit is 1 2 12 7 mm The connec tor can be bought at a hardware store Refer to How to connect wiring to the terminals for instructions on connecting depend ing on the wire type you are using The fuse located in the outdoor unit provides power supply pro tection ...

Page 9: ...to the terminal Refer to the wiring diagram 3 Use the screws to install the cord clamp Connection cord Screw Cord clamp There is a terminal block inside Connection cord Screw Cord clamp A For solid core wiring or F cable 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to about 15 16 25 mm to expose the solid wire 2 Using a screwdriver remove the terminal scre...

Page 10: ...ape Pipe Drain hose Cloth tape Wrap with cloth tape Wall Check the following View from indoors Left piping Connection cord Pipe Drain hose GOOD Lifted up Saddle Wave End in water BAD Drain hose BAD BAD For connection from the left rear Connection cord Drain hose Wall pipe Connection pipe FRONT PANEL REMOVAL AND INSTALLATION THE INTAKE GRILLE REMOVAL 1 Open the intake grille 2 Pull down the knob 3 ...

Page 11: ... button on the remote control unit while the air conditioner is running use a melallic object to short the two metal contacts under the battery compartment lid and send the TEST RUN sig nal from the remote control unit To end test operation press the remote control unit START STOP button When the air conditioner is run by pressing the test run button the OP ERATION indicator lamp and TIMER indicat...

Page 12: ...er unit wire harness to the terminal correctly please refer to fig 20 to adjust the length of the part of Inter unit Wire har ness ahead from conduit holder 5 1 2 140mm 15 16 25mm 15 16 25mm 4 3 16 105mm 1 1 14AWG EARTH WIRE CONDUIT PLATE CONDUIT CONNECTOR Fig 20 ...

Page 13: ...ting the cooling operation by the remote control unit Refer to TEST RUNNING The operation indicator lamp and timer indicator lamp will begin to flash simultaneously during test run 4 Close the valve stem of 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 CAUT...

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