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INVERTER SPLIT - TYPE

ISSUE No.: 2

DATE: 04/09/08

P/No.: 2020323A2868

Summary of Contents for 18000Btu/h

Page 1: ...INVERTER SPLIT TYPE ISSUE No 2 DATE 04 09 08 P No 2020323A2868 ...

Page 2: ...e fan when adjusting vertical louvres This air conditioner may use R22 R407C or R410A refrigerant Confirmed before installation CAUTION IMPORTANNT NOTES SAFETY PRECAUTIONS Warning 2 Operating temperature 2 BEFORE INSTALLATION Tools needed for installation 3 Items required for installing the unit 3 Typical installation 4 REFRIGERANT PIPE CONNECTION Refrigerant pipe connection 10 Inside you will fin...

Page 3: ... 2 SAFETY PRECAUTIONS OPERATING TEMPERATURE 50 27 34 15 ...

Page 4: ...65 Clip Anchor Seal See page 10 for details 16 0mm 3 Cable Tie 5 10 Insulation materials BEFORE INSTALLATION Tools needed for installation Items required for installing the unit See page 10 for details ...

Page 5: ... Screw A Clip Anchor Loop the connective cable C B A 60cm above 60cm above 10cm above 100cm above 6 12cm above Air Filter Air Outlet 20cm above 12cm above 15cm above 1 2 3 Mole than 1 7m Less than 2 3m 4 BEFORE INSTALLATION Typical installation If applicable ...

Page 6: ...2 2 5 INSTALLATION Read completely then follow step by step Indoor unit Outdoor unit Rooftop installatiom Installation Fig 1 Fig 2 ...

Page 7: ...ructural parts of the wall with spaces around the installation plate 2 If the wall is made of brick concrete or the like drill eight 8 5mm diameter holes in the wall Insert Clip anchor for appropriate mounting screws 3 Fit the installation plate on the wall with eight 8 type A screws Correct orientation of Installation Plate Fit the Installation Plate and drill holes in the wall according to the w...

Page 8: ... B 250 12000Btu h model A 790 B 265 90 40 45 150mm or more to ceiling Indoor unit outline Installation plate 305 Right rear side refrigerant pipe hole 65 Left rear side refrigerant pipe hole 65 120mm or more to wall 120mm or more to wall 850 45 90 45 45 18 000Btu h model INSTALLATION Wall 150mm or more from the ceiling Indoor Unit Outline 120mm or more from the wall 380 Hooked Part 380 998 120mm o...

Page 9: ...y lifting the indoor unit with a cushioning material between the indoor unit and the wall Remove cushioning material after finish piping 4 Push the lower part of the indoor unit up on the wall Then move the indoor unit from side to side up and down to check if it is hooked securely Fig 10 4 Indoor unit installation Fig 8 Fig 9 3 Pipe and Drainage Installation Connecting 1 Run the drain hose slopin...

Page 10: ...rain hose sloped downward to drain out the condensed water smoothly onnecting CAUTION Install the outdoor unit on a rigid base to prevent noise and vibration Select the air outlet direction so that discharged air is not blocked In the case where the installation location is exposed to strong winds make sure the fan operates properly by putting the unit lengthwise along the wall or by using a shiel...

Page 11: ...tallation Seal Drain joint Base pan hole of outdoor unit Seal Drain pipe Refrigerant pipe connection Oblique 90 C Roughness Burr Main cause for refrigerant leakage is due to defects in the flaring work Carry out correct flaring work using the following procedure A Cut the pipes and the cable 1 Use the piping kit accessory if applicable or pipes purchased locally 2 Measure the distance between the ...

Page 12: ...e below Carry out flaring work using flaring tool as shown below Caution Align the center of the pipes Sufficiently tighten the flare nut with fingers and then tighten it with a spanner and torque wrench as shown Tightening Connection Excessive torque can break nut depending on installation conditions Fig 19 Indoor unit tubing Flare nut Pipings Outer diam mm A mm Max Min 6 35 1 3 0 7 9 53 1 6 1 0 ...

Page 13: ...l round Improper flaring Even length all round Tubing retainer Rear left Front Rear right Drain hose Piping Connecting cable For Rear Right Piping Connetion of pipes Indoor REFRIGERANT PIPE CONNECTION 12 Check E ...

Page 14: ...Insert the piping drain hose and the connecting cable into the piping hole Tubing retainer Connecting cable REFRIGERANT PIPE CONNECTION 13 ...

Page 15: ...Tubing retainer 14 For Rear Left Piping REFRIGERANT PIPE CONNECTION ...

Page 16: ... REFRIGERANT PIPE CONNECTION 15 ...

Page 17: ...Connection of pipes outdoor Tubing retainer Connecting cable 7 5 8 REFRIGERANT PIPE CONNECTION 16 ...

Page 18: ...00Btu h model 18 24 28 2 5 16A 16A 20A Electrical box cover Front Panel 10mm 40mm Code wire The supply voltage must be consistent with the rate voltage of the air conditioner Connect the cable to the indoor unit NOTE Before performing any electrical work turn off the main power to the system Connect the cable to the indoor unit 1 5 1 5 1 0 10A 21 16A 1 5 12000Btu h model 21000Btu h model 6 ...

Page 19: ...L S N Wire connector of outdoor unit Wire holding board 40mm 10mm Connect the cable to the outdoor unit ELECTRICAL WORK 7 18 ...

Page 20: ...HECKING THE DRAINAGE AND FORMING THE PIPING Downward slope Water leakage Water leakage Water leakage Air Do not raise Accumulated drain water Tip of drain hose dipped in water Ditch Less than 50mm gap Forming the piping 19 B ...

Page 21: ... purging with vacuum pump Preparation Check that each tube both liquid and gas side tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this sta...

Page 22: ...stead of minus 5 After the evacuation is complete fully close manifold valve and stop the operation of the vacuum pump Make evacuation for 15 minutes or more compound meter indicates 76cmHg 1 x 10 Pa 6 Turn the stem of the packed valve B about 45 counterclockwise for 6 7 seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a ...

Page 23: ...ut the pipes have leakage 2 Leak detector Use the leak detector to check for leakage Safety and leakage check TEST RUNNING Test running Perform test operation after completing gas leak check at the flare nut connections and electrical safety check Check that all tubing and wiring have been properly connected Check that the gas and liquid side service valves are fully open Connect the power press t...

Page 24: ...mitation for start up and rotation frequency or de frost protection occurs the test must be stopped Rated Capacity Test Heating mode Under Heating Mode set the air conditioner at High Fan Speed and set the temperature to 30 C then press the TURBO button 6 times within 10 seconds be sure the indoor unit buzzes 6 times The system will enter Rated Capacity Test mode The buzzer will keep on sounding f...

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