Westinghouse 18K-24K Use And Installation Instruction Download Page 1

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Summary of Contents for 18K-24K

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Page 2: ...rks 4 2 Setting of Automatic Swing Louver 4 3 Filter Cleaning 5 4 Trouble Shooting 6 Installation and Maintenance 7 1 Safety Notice 7 2 Tools and Instruments for Installation 8 3 Installation of the Indoor Unit 8 4 Refrigerant Pipe 13 5 Condensate drain piping 16 6 Electrical Wiring 16 7 Trial Run 17 ...

Page 3: ...here this product is installed must have the reliable electrical grounding facility and protection Please do not connect the grounding of this product to various kinds of air feeding ducts drain piping lightning protection facility as well as other piping lines to avoid receiving an electric shock and damages caused by other factors Wiring must be done by a qualified electrician All the wiring mus...

Page 4: ...re present Details of type and rating of circuit breakers ELB is detailed in outdoor instruction manual The method of connection of the appliance to the electrical supply and interconnection of separate components is detailed in below part The wiring diagram with a clear indication of the connections and wiring to external control devices and supply cord is detailed in below part The cord of the H...

Page 5: ...itioner model you have selected For multi split type the unit will not be started when emergency switch is pressed 1 Run indicator Red It lights on during operation It lights off during SLEEP mode 2 Off and On switch The filter clean indicator is reset when the switch is pressed The unit will be started or stopped when the switch is pressed The unit will be operated in forced cooling mode if press...

Page 6: ...or stops working Heating operation Heating capacity depends on external factors such as outdoor unit temperature Heating capacity might decrease if outdoor ambient temperature is too low Anti freezing function during cooling When the temperature of the air from the indoor outlet is too low the unit will run for some time under the fan mode to avoid frost or ice forming on the indoor heat exchanger...

Page 7: ...ng the following steps Step1 Open the air inlet grille after pushing the two knobs as shown by the arrow mark Step2 Take out the air filter from the air inlet grille by supporting the air grille and lifting the air filter after detaching the filter from the hinges 3 3 Clean the Filter Clean the air filter according to the following steps Step 1 Use a vacuum cleaner or rinse the air filter to remov...

Page 8: ...e Clean the air filter and panels or allow a good ventilation Sound from Deforming Parts During system starting or stopping a sound might be heard However this is due to thermal deformation of plastic parts It is not abnormal Steam from Outdoor Heat Exchanger During defrosting operation ice on the outdoor heat exchanger is melted resulting in making steam Dew on Air Panel When the cooling operatio...

Page 9: ...t the wires so their terminals with no external stresses Poor or loose connections may cause terminal overheating or fire After connecting all the wiring be sure to secure the cables so that they do not put pressure on the electrical covers or panels Install covers over the wires Incomplete cover installation may cause terminal overheating electrical shock or fire When installing or relocating the...

Page 10: ...ver Number 8 9 10 11 12 13 14 Tool Level Hammer Drill Knife or wire stripper Flaring kit Inner hexagon spanner and torque wrench Measuring Tape 3 1 Initial Check Install the indoor unit with a proper clearance for operation and maintenance space as shown in Fig 3 1 Provide a service access panel near the unit piping connection area on the ceiling Ensure that the ceiling has sufficient strength to ...

Page 11: ...ectromagnetic waves from medical equipment A Do not install the indoor unit where the electromagnetic wave is directly radiated to the electrical box remote control cable or remote control switch B Install the indoor unit and components at least 10 ft 3m from the electromagnetic wave source C Instal the remote controller within a field provided and installed steel box Prepare a steel case and inst...

Page 12: ...3 5 Mounting Position 4 Suspension Bolts M10 or W3 8 Field Spplied W Nut Field Supplied Washer Accessary Surface of Ceiling indicates the dimension between lower face of indoor unit and surface of ceiling 4 1 32 102 Unit Size 33 1 16 840 Dimension of Opening 33 7 8 to 35 13 16 860 to 910 6 to 6 5 16 in 150 to 160mm 220 to 330 lb 100 to 150kg 1 3 4 45 1 4 7 3 8 10 min Unit in mm Dimension of Suspen...

Page 13: ...cted complete all piping and wiring work inside the ceiling before securing the indoor unit Installation and Maintenance 11 Fig 3 8 Mounting the Indoor Unit 2 50 2 1 16 52 a Unit in mm Surface of Ceiling Model 9K 12K 4 5 16 110 4 1 32 102 18K 36K a in mm Fig 3 6 Indoor Unit and Air Panel 18K 36K 9K 12K Liquid Pipe Connection Gas Pipe Connection Drain Pipe Connection Wiring Knockout ø1 1 4 32 5 Hol...

Page 14: ...3 16 in 5mm lower than the other side Tighten the nuts of the suspension brackets after the adjustment is complete Apply LOCK TIGHT paint to the bolts and nuts to prevent them from loosening Otherwise abnormal noises or sounds may occur and the indoor unit may fall down LOCK TIGHT paint Paint the lock bolts and nuts Adjust the indoor unit to the correct position while checking with the scale facto...

Page 15: ...iping Connection 1 Position of piping connection is shown in Fig 4 1 Indoor Unit 2 When tightening the flare nut use torque wrench and adjustable as shown in Fig 4 2 Installation and Maintenance 13 4 4 Liquid Pipe 1 in 25mm Gas Pipe 4 5 16 in 110mm Liquid Pipe Connection Gas Pipe Connection Tube size in mm Torque lbf ft N m ø 1 4 6 35 ø 3 4 19 05 ø 5 8 15 88 ø 1 2 12 7 ø 3 8 9 52 14 8 20 73 8 100 ...

Page 16: ... electrical wiring check to ensure that water drains properly per the following procedure Checking with the Float Switch A Switch ON the power supply B Pour 58oz 1 8 liters of water into the drain pan C Check to ensure that the water drains properly and without any leaks After all the water has drained pour another 58oz 1 8 liters of water into the drain D Switch ON the power supply and press the ...

Page 17: ...in pipe at outlet part perform the drain piping work as shown in the above figure 3 Insulate the drain pipe after connecting the drain hose Hose Band Accessory Hose Band Accessory Drain House Accessory Drain House Accessory 1 25 to 1 100 Down Slope Vinyl Chloride Field Supplied Drain Pipe Connection 33 1 2 in 850mm Max Unit Upward Slope Rising part Drain Pipe Connection 1 25 to 1 100 Down Slope Co...

Page 18: ...wire terminals have been properly selected according to the electrical data given in 7 Electrical Installation Ensure the components comply with National Electrical Code NEC 2 Ensure that the power supply voltage is within 10 of the rated voltage 3 Check the capacity of the electrical wires If the power source capacity is too low the system cannot be started due to the voltage drop 4 Ensure that t...

Page 19: ... 15m a larger wire size should be selected 4 Install main disconnect and ELB for each system separately Select the high response type ELB that is acted within 0 1second 1 When connecting the terminal block using stranded wire make sure to use the round crimp style terminal for connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part an...

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Page 60: ...Version No E 2021666 WESTINGHOUSE and INNOVATION YOU CAN BE SURE OF are trademarks of Westinghouse Electric Corporation Used under license by FUJITSU GENERAL AMERICA INC All Rights Reserved ...

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