Home

Service Manual - Stamberger

1. nist mankeren 7 2 2 Major Component Specifications entend 11 2 3 Other Component Specifications aaa 15 3 DIMENSIONAL DATA eneen eenen ennen 16 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram a tibna d 18 5 PERFORMANCE DATA 5 1 Temperature Charts 19 5 2 21 5 3 Cooling Capacity Low Ambient UE 23 5 4 Air Throw Distance Charts Amm 25 6 ELECTRICAL DATA 6 1 Electrical Characteristics nn eenen veneer venen venrnrenser venen nnn nnns nnns nnns nans 27 6 2 Electrice Wiring DiagraiiS wanen ennen nente menen 29 7 FUNCTIONS Zal OPEO FUNCIONS Nome 31 7 2 Protective Functions n 35 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or Repair 36 8 2 Method of Self Diagnostics eae eee noes 36 8 3 Checking the Indoor and Outdoor Units nn en enen enr ennen eennenr ennen vnnns 39 8 4 Trouble Diagnosis OF Fari Motor westerse eden dean P IEEE E 43 8 5 Noise Malfunction and Electromagnetic Interference 45 Page 9 CHECKING ELECTRICAL COMPONENTS 9 1 Measurem
2. 14 INSTALLATION LOCATION a FOR ENERGY SAVING 14 ELECTRICAL REQUIREMENT S uuu uuu u u uu uuu 3 ADJUSTING THE AIRFLOW DIRECTION 14 SAFETY INSTRUCTIONS 3 OPERATION WITHOUT THE REMOTE CONTROLLER 15 NAMES OF 4 CARE AND CLEANING 15 USING THE REMOTE CONTROLLER 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 16 OPERATION WITH THE REMOTE CONTROLLER 9 OPERATING RANGE 17 le Ge etn i ntm 9 WIRED REMOTE CONTROLLER 17 2 Adjusting the Fan Speed 9 SPECIFICATIONS ai 18 SW O A A 9 4 Night Setback Mode 10 5 QUIET Mode 10 6 HIGH POWER Mode 10 7 UNOCCUPIED Mode 11 PRODUCT INFORMATION SAFETY PRECAUTIONS If you have problems or questions concerning your Air The following symbols used in this manual alert you Conditioner you will need the following informatio
3. 24 5 1 Use of the Flaring Method 5 2 Flaring Procedure with a Flare Tool 5 3 Caution before Connecting Tubes Tightly 5 4 Connecting Tubing between Indoor and Outdoor Units Insulation of Refrigerant Tubing Taping the Tubes Finishing the Installation nau eo 6 AIR PURGING 26 Air Purging with a Vacuum Pump for Test Run Basic Functions of the Service Valves B Pump Down Service Valve Connections 7 REMOTE CONTROLLER INSTALLATION POSITION 30 7 1 Mounting on a Wall 8 ADDRESS SWITCH 31 8 1 Address Setting of the Remote Controller 85264190586000 2011 CV6233187082 IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning e Follow each installation or repair step exactly as shown Observe all local state and national electrical codes e Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or unsafe practice which can WARNING result in severe personal injury or death This symbol refers to a hazard or unsafe p
4. w ll Remounting Grasp the sections near the front panel arms on both sides and hold the front panel so that it is nearly horizontal Push the arm shafts towards the outside so that they come into contact with the top of the indentations on the right and left sides of the air conditioner Then push firmly until the arm shafts click into place After closing the front panel press firmly on the parts indicated by the arrows to securely fasten the panel in place Also refer to the figure that shows How to replace the filter When using a footstool or the like be careful not to let it tip over Washing the front panel with water e Clean the front panel gently using a soft sponge or the like Then wipe away any remaining moisture e Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture 16 TROUBLESHOOTING BEFORE CALLING FOR SERVICE If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Air conditioner does not run at all OPERATION lamp blinks and air conditioner does not operate Compressor runs but soon stops Poor cooling performance Clicking sound is heard from the air conditioner OPERATION lamp lights but outdoor unit will not run 1 Power failure 2 Leakage circu
5. 45 9 CHECKING ELECTRICAL COMPONENTS 9 1 Measurement of Insulation Ground wire Resistance e The insulation is in good condition if the resistance exceeds 1M ohm Probe 9 1 1 Power Supply Cord Insulation Clamp the grounding wire of power cord with the lead tester clip of the insulation resistance tester and measure the Fig 1 resistance by placing a probe on either of the two Terminal plate power wires Fig 1 Q Then also measure the resistance between the grounding and other power terminals Fig 1 IE 9 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and 9 1 3 Outdoor Unit Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate Fig 2 N measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Clip Note that the ground line terminal should be skipped for the check Copper lt Insulation tube or O 5 tester metallic part 9 1 4 Measurement of Insulation T E Resistance for Electrical Parts at Copper Disconnect the lead wires of the desired electric part tube or KI m metallic part O O from terminal plate capacitor etc Similarly disconnect the connector Then measure
6. Fig 51 5 4 Connecting Tubing between Indoor and Outdoor Units a Tightly connect the indoor side refrigerant tubing exten ded from the wall with the outdoor side tubing Fig 52 b To fasten the flare nuts apply specified torque as Table 6 Tube Dia Nut Tightening Torque 1 4 6 35 mm 21 32 17 mm Approx 120 160 Ibs in 140 180 kgf cm 3 8 9 52 mm 7 8 22 mm Approx 300 360 Ibs in 340 420 kgf cm 1 2 12 70 mm 1 1 32 26 mm Approx 430 480 Ibs in 490 550 kgf cm 5 8 15 88 mm 1 5 32 29 mm Approx 590 710 Ibs in 680 820 kgf cm 5 5 Insulation of Refrigerant Tubing IMPORTANT To prevent heat loss and wet floors due to dripping of con densation both tubes must be well insulated with a proper insulation material Fig 53 The thickness of the insulation should be a minimum 5 16 8 mm Fig 54 5 6 Taping the Tubes CAUTION After a tube has been insulat ed never try to bend it into a narrow curve as this may cause the tube to break or crack 1 At this time the 2 refrigerant tubes and electrical wire if local codes permit should be taped together with armoring tape The drain hose may also be included and taped together as 1 bundle with the tubing 2 Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn
7. 2 Lift the anti mold filter up slightly to disengage it from the protrusions on the unit and then pull downward to remove the filter from the unit Fig 16 3 Remove the 3 screws from the front of the unit and remove the screw covers on the bottom surface Then remove the 2 screws Fig 17 4 Remove the screw on the right side cover plate and remove the cover Fig 17a 5 Remove the lower flap by disengaging 4 pins of the lower flap in order Figs 17b and 17c The flap is so flexible that it can be easily removed 6 Lift up the grille in the direction shown by the arrow and pull the grille towards you to remove it Fig 17d How to replace the grille 1 While aligning the top edge of the grille with the frame move the grille horizontally and insert the top and bottom into the frame 2 Press the grille firmly with your hand to ensure no gap exists between the frame and grille 3 Tighten the 6 screws And fix the removed covers in place 4 Grasp the sections near the front panel arms on both sides and hold the front panel so that it is nearly hori zontal Push the arm shafts towards the outside so that they come into contact with the top of the inden tations on the right and left sides of the air condition er Then push firmly until the arm shafts click into place Fig 18 Remount the lower flap In remounting the flap it cannot be turned end for end because the right and left pins of the fla
8. Fig 25 4 Route the inter unit wiring from the back of the indoor unit and pull it toward the front for connec tion Fig 26a 26b 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Fig 26a 26b while referring to the wiring diagram 6 Be sure to secure the wiring with the provided clamp When closing the front panel push the central part of the front panel first and then press the bottom right and left corners in place until you feel a click Fig 27 Please refer to How to replace the grille on page 15 for installing the air intake grille 10 25 Terminal plate Top of conduit connector 18 AN ere Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected When connecting each power wire to the corresponding terminal follow the instructions How to connect wiring to the terminal and fasten the wire securely tight with the fixing screw of the terminal plate How to connect wiring to the terminal a For Indoor Unit 1 Cut the wire end with a cutting pliers then strip the insulation to expose the wire about 9 32 7 mm See the label Fig 28 near the terminal plate 2 Using a screwdriver loosen the terminal screw on the terminal plate 3 Insert the wire and tighten the terminal screw com pletely usi
9. Fig 55 3 Clamp the tubing bundle to wall using 1 clamp approx every 47 120 cm Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also be sure the con densation drain hose splits away from the bundle and drips clear of the unit and the tubing 5 7 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 56 25 Torque wrench Indoor unit Flare insulation Fig 53 Insulation Thickness Min min 5 16 5 16 8 mm 8 mm Fig 54 Apply putty here Tubing Fig 56 6 Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Therefore they must be purged completely e pressure in the system rises operating current rises cooling or heating efficiency drops moisture in the air may freeze and block capillary tubing water may lead to corrosion of parts in the refrigerant system B Air Purging with a Vacuum Pump for Test Run 1 Check that each tube both narrow and wide tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Note that both narrow and wide tube service valves on the outdoor unit are kept closed at this stage 2 Using an adjustable wrench or box wrench remove
10. TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h 1 Rating conditions Indoor Unit Entering Air Temp 80 F 26 7 C DB 67 F 19 4 C WB Outdoor Ambient Temp 95 F 35 C DB 2 Above data does not take Freeze Prevention Protection during cooling operation into account For this reason the value may vary from the actual cooling characteristics 3 Above data represents the value when the operation frequency of a compressor is fixed 21 Indoor Unit CS KS36NKU Outdoor Unit CU KS36NKUA Power supply 230V Single Phase 60Hz Cooling Capacity gt RATING CAPACITY 34 000 BTU h AIR FLOW RATE 630 CFM INDOOR OUTDOOR ENT TEMP F C AMBIENT TEMP F 105 115 da boa Bn 40 6 46 1 35 010 34 360 33 600 33 100 24 850 16 910 20 170 19 800 19 310 19 070 15 030 11 480 36 560 36 070 35 450 34 630 24 680 16 830 11 850 11 610 11 360 11 120 7 570 5 130 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h 1 Rating conditions Indoor Unit Entering Air Temp 80 F 26 7 C DB 67 F 19 4 C WB Outdoor Ambient Temp 95 F 35 C DB 2 Above data does not take Freeze Prevention Protection during cooling operation into account For this reason the value may vary from the actual cooling characteristics 3 Above data represents the value when the operation frequency of a compressor is fixed 22 5 3 Cooling Capacity Low Ambi
11. is activated e The remote controller should be used in the location specified in REMOTE CONTROLLER INSTALLATION POSITION on page 8 e The air conditioners stop order stated in 2 above is valid only when the unoccupied function is operated 11 SPECIAL REMARKS How it works e Once the room temperature reaches the level that was set the units operation frequency is changed automatically e During DRY operation the fan speed automatically runs at lower speed for providing a comfortable breeze e DRY operation is not possible if the indoor temperature is 59 F or less Cooling 3x operation e Sometimes the indoor unit may not get to the set fan speed such as LOW under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost Power failure during operation e n the event of power failure the unit will stop When the power is resumed the unit will restart automatically in approximately 5 minutes by the remote controller If the remote controller is on and left in a location where the unit can receive a signal then the unit will automatically restart in approximately 5 minutes of power being restored Clicking Sound Clicking sound is heard from the air conditioner n cooling operation any plastic parts may shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear Remote
12. 3 9 Mounting 1 To install the indoor unit mount the indoor unit onto the 3 tabs on the upper part of the rear plate 2 Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely fasten to the 2 tabs on the lower part of the rear plate Fig 33 Mond For tubing choose either the right or left tubing direction and follow the steps below Also extend the support on the back of the indoor unit as a stand to make your work easier Fig 34 B Right side tubing 1 Shape the refrigerant tubing so that it can easily go into the wall hole Fig 35 2 Push the wiring refrigerant tubing and drain hose through the hole in the wall Adjust the indoor unit so itis securely seated on the rear panel Fig 36 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Caution on page 25 The drain hose should come straight down the wall to a point where water runoff won t stain the wall Hear panel Cover 4 Connect the refrigerant tubing to the outdoor unit After performing a leak test on the connecting part insulate it with the tubing insulation Fig 37a Also refer to Section 5 4 Connecting Tubing between Indoor and Outdoor Units Refrigerant tubing Inter unit wiring Drain h 5 Assemble the refrigerant tubing drain hose and telle conduit
13. 6 11 16 25 31 32 4 11 32 37 1 32 NI EOD 2 11 16 21 25 32 12 9 16 aj eroe oe Air discharge i 35 13 16 22 7 8 Air discharge nl OJ Reference diagram for wind proof duct locallv purchased STK DGV160E TIT Unit inch to e gagga E NO FIX zi 1 3 16 8 21 32 1 31 32 amp 4 31 32 11 13 16 4 31 32 L l 5 21 9 16 23 7 16 cO LO co Equivalent to the reverse side 1 31 32 Required space around the outdoor unit If the wind proof duct is used the space shown below must be secured around the outdoor unit If the unit is used without the required space a protective device may activate preventing the unit from operating 1 Single unit installation I y Ps Se g co gt gt A Y Unit inch CAUTION The top and both sides must remain open If there are obstacles to the front and rear of the outdoor unit the obstacle at either the front or rear must be no taller than the height of the outdoor unit 2 Multiple unit installation Installation in lateral rows Z A 2 Z l Z p is More than 9 27 32 More than 9 27 32 5 r fcr fp More than 6 Unit inch CAUTION The front and top must remain open The obstac
14. Controller e The remote controller sends the setting condition to the air conditioner regularly at five minute intervals 12 SETTING THE TIMER MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER SENSOR O ADR CF TE UNOCCUPIED Owl NOTE In the descriptions below the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote controller e Temperature F e Time AM PM 1 How to set the present time Example To set to 10 30 pm 1 Press the CLOCK button once if the time indicator is not flashing The time indication alone flashes The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments Press the Advance Return a w button until PM 10 30 is displayed Press the CLOCK button again This completes the setting of the current time 2 How to set the OFF time Example To stop the air conditioner at 11 00 am puis EJ 1 Press the OFF TIME setting The timer oFFO indication is displayed and the present OFF time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidiv in 10 minute increments The timer OFF indication stops blinking and the present time is displaved button once 2 Press the Advance Return a v button until AM 11 00 is
15. F12 F18 505 FO8 F21 F24 506 O D AIR TEMP SENSOR TROUBLE 507 O D CURRENT SENSOR ERROR O D PCB FAILURE MIS WIRING 2 AC POWER FAILURE 3 BLOWN FUSE I D O D COMMUNICATION TROUBLE POWER RELAY FAILURE 5 I D OR O D PCB FAILURE SERIAL COMMUNICATION TROUBLE 6 O D FAN MOTOR FAILURE 7 REACTOR FAILURE HIGH PRESSURE SW FAILURE 9 OLR FAILURE 10 MAGNETIC COIL FAILURE HIC OR POWER TR FAILURE 2 O D FAN NOT OPERATING HIC CIRCUIT TROUBLE INSTANTANEOUS POWER STOPPAGE 4 SERVICE VALVE NOT OPENED POWER TR CIRCUIT TROUBLE O D FAN BLOCKED 6 CONTINUOUS OVERLOAD OPERATION COMPRESSOR FAILURE 8 O D PCB FAILURE O D UNIT EXTERNAL ROM TROUBLE 1 EXTERNAL ROM DATA FAILURE 2 O D PCB FAILURE 1 INSTANTANEOUS POWER STOPPAGE 2 HIC OR POWER TR FAILURE E04 CURRENT PEAK CUT 3 O D PCB FAILURE Eos PAM CIRCUIT TROUBLE 1 O D PCB FAILURE ACTIVE CIRCUIT TROUBLE 2 O D POWER VOLTAGE TROUBLE 1 ELECTRIC ONSEN VALVE FAILURE 2 CHOKED CAPILLARY TUBE oe COME RESSOR DISCHARGE TEMP 3 INSUFFICIENT GAS 4 CONTINUOUS SIDE OPERATION 5 O D FAN NOT crema 6 O D PCB FAILURE 1 FAN MOTOR FAILURE 2 CONNECTOR CONTACT FAILURE E07 10 FAN OPERATION TROUBLE l 3 VD PCB FAILURE 4 WAY VALVE SWITCHING TROUBLE 4 WAY VALVE FAILURE HEAT PUMP MODEL ONLY E08 7ERO CROSS TROUBLE 2 O D PCB FAILURE E09 GAS LOSS PREVENTION 1 SERVICE VALVE NOT OPENED 2 INSUFFICIENT GAS DC COMPRESSOR DRIVE ESSOR DRIVE 1 OPEN PHASE 2 O D PCB FAIL
16. Fig 9 13 Set screw only for transportation Fig 6 Rear A marks Fig 7a Rear panel Fig 7b Rear panel Right rear Left Left rear tubing tubing _ tubing recommended Right tubing Left downward tubing Right downward tubing Fig 8 4 Using a sabre saw key hole saw or hole cutting drill attachment cut a hole in the wall See Table 4 and Fig 10 Table 4 3 5 32 80 mm 5 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe ata slight angle 1 4 6 mm shorter than the thickness of the wall Fig 11 6 Place the plastic cover over the end of the pipe for indoor side only and insert the pipe in the wall Fig 12 3 3 Install the Rear Panel on the Wall Be sure to confirm that the wall is strong enough to sus pend the unit There are a number of screw holes on the rear panel Using the 8 screw holes with lt mark is recommended to attach the rear panel securely to the wall See either Item a or b below depending on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13 If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 3 16 5 mm dia holes in the panel over the stud locations and then mount the rear panel
17. N Double check with a carpenter s level or tape mea sure that the panel is level This is important to install the unit properly Fig 14 Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If Block Brick Concrete or Similar Type Wall Make 3 16 4 8 mm dia holes in the wall Insert rawl plugs for appropriate mounting screws Fig 15 14 Hole should be made at a slight downward slant to the outdoor side Outdoor side PVC pipe Locally purchased Cut at angle Fig 11 INSIDE OUTSIDE Wall Plastic cover PVC pipe Locally purchased slight angle Fig 14 3 16 4 8 mm dia hole CTB Rawl plug Fig 15 3 4 Removing and Installing the Grille Basically these models can be installed and wired with out removing the grille If access to any internal part is needed follow the steps as given below How to remove the grille 1 Open the front panel until it is nearly horizontal grasp the sections near the front panel arms on both sides and then remove the panel by pushing the arms towards the outside while pulling the panel towards you If the front panel is difficult to remove grasp both ends of it and lift it up slightly Move it to the left and disengage the left arm then move it to the right and disengage the right arm Fig 16
18. Short circuit between the terminals 2 and 3 on the indoor unit Fig 4 Fig 5 terminal board Fig 5 1 Turn ON the power and operate the svstem using the remote controller or the operation button on the indoor unit 2 Perform the self diagnosis five seconds after the operation start Alarm Code E07 P04 P05 P20 P27 Defect or connection error What is the latest self diagnosis result in the inter unit cable Alarm Code E05 Defect in the indoor unit P C board 41 3 2 Alarm Code E07 P04 P05 P20 P27 Troubleshooting Serial Communication Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Disconnect the cable from the terminal 3 on the Outdoor unit terminal strip Fig 6 Indoor Unit Outdoor Unit Fig 6 Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit Perform the self diagnosis five seconds after the operation start Alarm Code E05 p Defect in the outdoor unit P C board What is the latest self diagnosis result Alarm Code E07 P04 P05 P20 P27 Outdoor Unit Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Disconnect the cable from the terminal 3 on the indoor unit terminal strip Fig 7 Indoor Unit Fig 7 Turn ON the power and operate the system using the re
19. Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back e The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly e When using a vacuum pump with exhaust air volume more than 0 883 cu ft min and ultimate vacuum pressure rate of 50 micron Hg Standard time for evacuation 1 Detect leaks OK 2 Recover refrigerant OK 3 Weld leaking points OK 4 Check for sealing OK 5 Evacuation OK 6 Recharge Length of tubing Less than 33 ft 10 m More than 33 ft 10 m More than 10 minutes More than 15 minutes 6 Recharging e Recharge unit in the same manner explained on the previous page 5 Recharging 53 10 7 Charging Additional Refrigerant 10 7 1 When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit Charge additional refrigerant in liquid state only Never charge additional refrigerant if refrigerant is leaking from the unit Follow instructions given in 10 6 In Case Refrigerant is Leaking and completely carry out repairs Only then should you recharge the refrigerant 10 8 Retro Fitting Existing Systems 10 8 1 Use of Existing Units e Never use new refrigerant R410A for existing units which
20. When Transporting 009099900090990990099909009099090090009000909009090000990990009009000090999000090909090000909090000909090009090900009900909009000009090900090909900090909900099 Be careful when picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing 9990009009909000909909099099009009900900909000090099000900990000999000090909000090999000990990009099000099000009090009900990090099000900900900099 Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors Keep the fire alarm and the air CAUTION outlet at least 1 5 m away from the unit In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air
21. baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing 909090909090009099090990990990990909009009900090990990009090000090900000999000900900000900009909000090009900909099009009090000090990900909099000909900009 When performing piping work do not mix air except for speci fied refrigerant R410A in refrigeration cycle It causes capacity down and risk of explosion and injury due to high tension inside the refrige rant cycle Refrigerant gas leakage may cause fire Do not add or replace refrigerant other than specified type It may cause product damage burst and injury etc Ventilate the room well in the event that refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run Do not leak refrigerant while piping work for an installation or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frost bite When Servicing Turn the pow
22. becomes 100 to 164 ft Max charge additional refrigerant R410A by 0 43 oz ft No additional charge of compressor oil is necessary For more detailed charging information refer to the Technical amp Service Manual 5 2 2 Outdoor Unit AVOID e heat sources exhaust fans etc Fig 4 e damp humid or uneven locations DO e choose a place as cool as possible e choose a place that is well ventilated e install in a location where at least two sides are unob structed so that the flow of air at the intake port or NO vv Hot air e 2 21 Heat source Outdoor unit Exhaust fan Fig 4 exhaust port is not blocked and so that sufficient 9 space is ensured for maintenance to be carried out without trouble In general the top also must be unob Obstacle above structed Fig 5a 13 e provide a solid base level concrete pad concrete block A AD GA AN 6 x 1 4 15 x 40 cm beams or equal a minimum of 6 ARGIS 5 amp c 15 cm above ground level to reduce humiditv and pro 4 8 tect the unit against possible water damage x4 decreased service life Figs 5b and 5c 4 Min gt 15 en Air discharge Min 4 E A solid base must not cover 33 100 O CAUTION the hole of the bottom plate G d 1 E n e install cushion rubber under unit s feet to reduce
23. both ends of the front panel and pull forward and up to open the front panel Front panel Protrusions filter 2 Lift the filter up slightiv to disengage it from the protrusions on the unit 3 Pull downward to remove the filter from the unit Cleaning Use a vacuum cleaner to remove light dust If there is stickv dust on the filter wash the filter in lukewarm soapv water rinse it in clean water and dry it How to replace the filter 1 Insert the top of the filter and then secure the bottom of the filter with the protrusions on the unit 2 Close the front panel bv pushing the center of the front panel and then pressing both edges until the panel clicks into place 15 Cleaning the main unit and Remote Controller e Wipe clean using a soft dry cloth e To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe e The front panel can be removed in order to wash it with water Removing and remounting the front panel Removing Open the front panel until it is nearly horizontal grasp the sections near the front panel arms on both sides and then remove the panel by pushing the arms towards the outside while pulling the panel towards you If the front panel is difficult to remove grasp both ends of it and lift it up slightly Move it to the left and disengage the left arm then move it to the right and disengage the right arm Front panel Arm ee Sea fer
24. fixing the inspection panel and remove the inspection panel Fig 2 2 When the switch No 1 of the dip switch SW01 on the control P C Board is turned ON the noise reducing control is enabled Fig 3 Power lamp Control P C Board ON Inspection panel 1 2 Dip switch SW01 Slide downward O E SWO1 Fig 3 Control P C Board Fig 2 View from front 33 Maximum Current Value Change Function The maximum current value is changed to 14A for CU KS3ONKUA or 17A CU KS36NKUA to prevent power breaker tripping It is set to 24A when the unit is delivered from the factory 1 When the high load is given Outside temperature is high in the cooling operation the capacity is reduced When the maximum current value change function is to be enabled make sure to receive the approval of the client 2 The maximum capacity for cooling operation is about as much as the rated capacity lt CU KS30NKUA gt Description of function In cooling operation Current Value on Example of operation E Power Point C the Point C Point B Current Value Target Lt Fef li on the Point B frequency Current Value on the Point A Frequency Stops operation LL lt CU KS36NKUA gt Approx 3 minutes In cooling e Operates at the target frequency at Point A and below operation e Stops increases to the frequency between Points A and B Current Value on u u e Reduces the frequ
25. including inter unit wiring as shown in Fig 37b Fig 35 Refrigerant tubing Em Flare insulation Fig 37a O Y O e Conduit Drain hose Fig 36 Inter unit wiring Fig 37b 20 Left side tubing 1 Lead the tubing and drain hose through the wall allowing sufficient length for connection Then bend the tubing using a tube bender to make the attach ment Fig 38 Switch the drain hose and drain cap Switching drain hose and drain cap a Locate the drain hose and the drain cap Fig 39 b Remove the screw fastening the drain hose on the right side and pull out the drain hose to remove it Fig 39 c Applv moderate force to pull off the drain cap on the left side If you cannot pull it off by hand use a long nose pliers d Reattach the drain hose to the left side and the drain cap to the right side Fig 40a Drain hose Slide the drain hose fully onto the drain pan outlet It will be easv to slide when water is added Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securelv in contact then fasten them with the screw After attaching the drain hose check that it is attached securelv Fig 40b Drain cap Use a Phillips screwdriver to push the drain cap in firmly If it is difficult to push in wet the cap with water first Install the indoor unit on the rear panel Connect the tubing and wiring led inside from out doors A
26. measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Measurement location 1 Vm Gnd Between pin 1 and pin 4 DC 280 V 10 2 Vcc Gnd Between pin 5 and pin 4 DC 15 V 10 3 Vs Gnd Between pin 6 and pin 4 Fluctuation between DC 1 63 to 6 23 V Diagnostic results All of the above measured values are normal 2 Fan motor trouble Replace the motor Any one of the above measured values is not normal Indoor unit controller trouble Replace the controller Reference DC motor connector pin arrangement Pin 1 Vm red Pin 2 Not used Pin 3 Not used Pin 4 Gnd black Pin 5 Vcc white Pin 6 Vs yellow Pin 7 PG blue Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the indoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the indoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during indoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during indoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is indoor unit controller trouble or motor trouble Therefore first replace the indoor unit controller then if necessary replace the DC motor 43 8 4 2 Outdoor Fan Motor e This outdoor DC fan motor contains an internal control PCB Therefore it is not p
27. refrigerant e Any remaining refrigerant inside the unit should not be released to the atmosphere but recovered using the refrigerant recovery unit for R410A e Do not reuse the recovered refrigerant since it will contain impurities 2 Replacing Compressor e Soon after removing seals of both discharge and suction tubes of the new compressor replace it quickly 3 Checking for sealing e Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 4 Evacuation e Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back e The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vacuum pump with exhaust air volume more than 0 883 cu ft min and ultimate vacuum pressure rate of 50 micron Hg Standard time for evacuation 1 Recover refrigerant OK 2 Replace compressor OK 3 Check for sealing OK 4 Evacuation OK 5 Recharge Length of tubing Less than 33 ft 10 m More than 33 ft 10 m More than 10 minutes More than 15 minutes 51 5 Recharging e Be sure to charge the specified amount of refrigerant in liquid state using the service port of the wide tube service valve The proper amount is listed on the unit
28. the charging cylinder is less than 2096 52 Configuration and characteristics of cylinders Single valve Charge liquid refrigerant with cylinder in up side down position Fig 1 Single valve with siphon tube Charge with cylinder in normal position Fig 2 Charging cylinder Ope Refrigerant cylinder Fig 3 10 6 In Case Refrigerant is Leaking CAUTION Never attempt to charge additional refrigerant when refrigerant has been leaking from the unit Follow the procedure described below to locate points of leaks and carry out repairs then recharge the refrigerant 1 Detecting Leaks e Use the detector for R410A to locate refrigerant leak points 2 Recovering refrigerant e Never release the gas to the atmosphere recover residual refrigerant using the refrigerant recovery unit for R410A instead e Do not reuse the recovered refrigerant because its composition will have been altered 3 Welding leaking points e Confirm again that no residual refrigerant exists in the unit before starting welding e Weld securely using flux and wax for R410A e Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing e Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation e
29. the set screw on the rear panel Fig 6 2 Press the 2 A marks on the frame cover and disengage the stationary tabs from the frame Fig 7a 3 Remove the rear panel by grasping the sections shown in Fig 7b and pulling it in the direction shown by the arrow Tubing can be extended in 6 directions as shown in Fig 8 Select the direction you need providing the shortest run to the outside unit e When left tubing is to be done switch the drain hose and drain cap For details refer to Switching drain hose and drain cap on page 21 3 2 Make a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is horizontal using a carpenter s level or tape measure to measure down from the ceiling Wait until after cutting the hole before attaching the rear panel to the wall 2 Determine which side of the unit you should make the hole for tubing and wiring Fig 9 In the case of left rear tubing use the measurement points 6 7 32 158 mm from the marked position on the rear panel for precise placement of the hose outlet Fig 9 3 Before making the hole check carefully that no studs or pipes are directly run behind the spot to be cut N CAUTION Also avoid areas where elec trical wiring or conduits are located The above precautions are also applicable if tubing goes through the wall in anv other location 6 7 32 5 3 16 158 mm 132 mm
30. the unit in cooling mode 1 Connect the Lo side charging hose of the manifold valve to the service port on the wide tube service valve 29 Service valve EXT imi External diameter of service port R410A 5 16 Fig 60a Using a hex wrench turn the narrow tube service valve clockwise all the way to close the service valve Be sure to confirm that the wide tube service valve is fully open Press the operation button and start cooling oper ation When the low pressure gauge reading falls to 14 2 to 7 1 psi 1 to 0 5 kg cm2 fully close the wide tube valve stem Then quickly stop the unit Disconnect all gauges and hoses and replace the valve caps as they were before Service Valve Connections a Temporary connection Screw in 3 5 turns by hand Fig 60c b To fasten the flare nuts apply specified torque as Table 9 and Fig 60d Table 9 Tube Dia Nut Tightening Torque Torque wrench Fig 60c Fig 60d 1 4 6 35 mm 21 32 17 mm Approx 120 160 Ibs in 140 180 kgf cm Be sure to tighten the 3 8 9 52 mm 7 8 22 mm Approx 300 360 Ibs in 340 420 kgf cm CAUTION flare nut using the prescribed torque 1 2 12 70 mm 1 1 32 26 mm Approx 430 480 Ibs in 490 550 kgf cm pp If the nut is over 5 8 15 88 mm 1 5 32 29 mm Approx 590 710 Ibs in 680 820 kgf cm tightened refrigerant leakage mav occur
31. use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 10 8 2 Use of Existing Tubing e If replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead completely new tubing must be used 54 APPENDIX A Operating Instructions CS KS3ONKU CU KS3ONKUA CS KS36NKU CU KS36NKUA 852 6 4181 220 00 2 A 1 Panasonic Operating Instructions Split System Air Conditioner Model No Indoor Units Outdoor Units CS KS3ONKU CU KS3ONKUA CS KS36NKU CU KS36NKUA This air conditioner uses the refrigerant R410A Before operating the unit read these operating instructions thoroughly keep them for future reference Panasonic Corporation 1006 Kadoma Kadoma City Osaka Japan 85264181220002 CV6233187105 FEATURES This air conditioner is an inverter type unit that automatically adjusts capability as appropriate Details on these functions are provided below refer to these descriptions when using the air conditioner e Microprocessor Controlled Operation e Air Sweep Control The interior compartment of the remote controller contains This function moves a flap up and down in the air outlet several features to facilitate automatic operation easy directing air in a sweeping motion around the room and logicallv displayed for easy use providing comfort in every corner e Simple One touch Remote Controller e Auto Flap
32. 1 N S Am 0 o LO ce ec L N LO y LA ce eg 8 Z L e h 3 3 8 2 5 8 SS 1 Kp E I I 41 15 16 1065 LI D p p u S S i iu J LI 2 5 8 Unit inch mm 852 0 0010 196 00 0 7 16 16 L OO v6L OLOO 0 Z58 HUN 2 1 BIL g e L eip JNO JJOUX c S G ji i Z L 8 4 EE E L 8 L BIP sejou no yoouy W 8 6 6 L Z jepno ULIM Jenno ULIM VIE 2079 2 Im 8 6 D o Z TR C2 9 IO 1 ELI m E Ol IF L E Jr ani rr oo gt JJVINI HIV 9 95 14 ia 8 S1 8 S EIP uonoeuuoo E eqni seo Buiqni JUBJ9 IJJOH Tm 256 uonoeuuoo eqni pinbr1 Jurof ueob uyjoy 0 6 ZE L ZE J93VH9S1I0 41 S 9L 8 E EL Sejou e BuriureujaJ y ees oi sOnjd Jaqqni esn mod eu j e1sur esn urep JO peuroeds s lou Z JO esn sejou p L L Ql p L uIeIp JO S9 OUJ S9JOU t L L GI c ZE LE GE 4 JAVINI AIV CU KS3ONKUA CU KS36NKUA 8 E c 9L SL Outdoor Unit 17 GEe L 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit CS KS30NKU Outdoor Unit CU KS3ONKUA CS KS36NKU CU KS36NKUA Indoor unit Outdoor unit x Wide tube E se
33. 4190 586 00 0 A 2 INSTALLATION INSTRUCTIONS Split System Air Conditioner This air conditioner uses the refrigerant R410A Panasonic Contents External diameter of service port R410A 5 16 Page IMPORTANT Please Read Before Starting 2 Model Combinations J GENERAL iii ina iet aaia 4 1 1 Tools Required for Installation not supplied Accessories Supplied with Unit Combine indoor and outdoor units only as listed 2 d 3 Optional Copper Tubing Kit 4 5 1 below Model No 1 Type of Copper Tube and Insulation Material Additional Materials Required for Installation Indoor Unit Outdoor Unit 2 INSTALLATION SITE SELECTION 5 CS KS30NKU CU KS30NKUA 2 1 Indoor Unit CS KS36NKU CU KS36NKUA 2 2 Outdoor Unit Power Source 3 HOW TO INSTALL THE INDOOR UNIT 13 60 Hz single phase 230 208 V 1 Remove the Rear Panel from the Unit 2 Make a Hole 3 Install the Rear Panel on the Wall 4 Removing and Installing the Grille 5 Shape the Indoor Side Tubing 6 Wiring Instructions 8 9 Wire Size and Length Wiring Instructions for Inter unit Connections Mounting 10 Frame Fastening Method 1 9 3 3 3 3 3 3 3 3 3 3 11 Drain Hose 4 HOW TO INSTALL THE OUTDOOR UNIT 23 4 1 Wiring Instructions for the Outdoor Unit 4 2 Routing the Tubing and Wiring 5 REFRIGERANT TUBING
34. 63 55 or 3 Fan Only STEP 2 STEP 1 FAN SPEED NIGHT SETBACK STEP 3 If vou want to circulate air without anv temperature control follow these steps Press the MODE selector button to switch to the fan mode STEP2 Press the ON OFF operation button Press the FAN SPEED selector button to select the fan speed of your choice 89 9 or STEP 3 4 Night Setback Mode Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while unit is operating except FAN mode The mark appears in the display To release the night setback function press the NIGHT SETBACK button again Pressing the MODE selector button cancels Night Setback mode In Cooling and DRY Mode and When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and then another 2 F after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature ma Press the NIGHT SETBACK button 10 5 QUIET Mode pe i PK LA QUIET Mode is used to reduce the fan sound of the indoor unit Press the QUIET button The 910198 mark appears in the display To cancel press QUIET button again e In Q
35. 7 Remote Controller Installation Position The remote controller can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places In direct sunlight Behind a curtain or other place where it is covered More than 26 8 m away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Where there is an obstacle between the remote con troller and the air conditioner since a check signal is sent from the remote controller every 5 minutes 7 1 Mounting on a Wall Before mounting the remote controller press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Remote control holder prevent loss of the remote controller Mounting screws you can connect the remote controller 5 32 13 16 4 x 20 mm to the holder by passing a string through included the remote controller and attachment hole To take out the remote controller pull it forward Fig 61 30 8 Address Switch 8 1 Address Setting of the Remote Controller The address can be set in order to prevent interference between remote controllers when 2 indo
36. 82 being set and under Cooling I flashing operation Although the unoccupied function is set not under Cooling operation lighting Even if Unoccupied Mode is ON it will be disabled if the air conditioner is in operation e Unoccupied Function can be set and released through all operational modes regardless of whether the air conditioner is operating or not e f the Unoccupied Function is ON and the remote controller is used to turn the air conditioner OFF including OFF TIMER the air conditioner will turn off but depending on the room temperature Cooling Operation will automatically begin e When the Unoccupied Function is in operation and the ON OFF operation button is pressed operation will restart based on the settings input before the air conditioner was turned off In Cooling Mode amp 1 When the room temperature rises above 89 F Cooling Operation will begin 2 When the room temperature drops below 82 F Cooling Operation will stop The above actions will repeat so that the room temperature is maintained at about 86 F Room Temperature F Cooling stops Cooling starts Unoccupied Mode triggers Cooling Operation in response to the room temperature but when this happens the remote controller will continue to display the Operation mode set by the user e If the room temperature rapidly changes the room temperature may get over the upper or lower limit when the unoccupied function
37. 9 5 01021 9 Power Input W 4 000 1 000 to 4 000 e Power Factor 2 EER BTU h W Compressor Locked Rotor Amperes A Airflow Direction Indoor Horizontal Vertical R410A 6 5 2 950 Operation Sound Indoor Hi Me Lo Qt dB A 49 44 39 32 Qt Quiet mode Outdoor Hi dB A 55 Refrigerant Tubing Connections Refrigerant Narrow tube inch mm 3 8 9 52 Tube Diameter Wide tube inch mm Unit Dimensions inch 11 13 16 x 41 15 16 x 9 1 16 35 13 16 x 37 1 32 x 13 3 8 Height x Width x Depth mm 300 x 1 065 x 230 910 x 940 x 340 Package Dimensions inch 12 7 32 x 44 7 8 x 14 31 32 42 3 8 x 40 x 16 3 8 Height Width x Depth mm 310 x 1 140 x 380 1 076 x 1 016 x 416 2 Weight Net lbs kg E Shipping lbs kg 4 59 0 13 15 88 0 45 x gt QD 00 ITI O E O O I gt Z G ITI I O c ur Z O 1 O Remarks Rating conditions are Cooling Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 95 F DB 75 F WB e 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit CS KS3ONKU Control PCB CB CS KS3ONKU Control Circuit Fuse 250V 3A Q ty Dia and Length inch mm 1 D8 15 16 L32 1 D100 L838 Nominal Output W Coil Resistance Ohm Ambient Temp 68 F 20 C Yes Yes Safety Device Type Internal Controller Over Current Protection ne Over Heat
38. AC Crankcase Heater 230V 30W Propeller Q ty Dia inch mm 1 D19 9 32 D490 jp Coil Resistance Ambient Temp 68 F 20 C Safety Device Type Internal Controller Over Current Protection Over Heat Protection Run Capacitor Heat Exchanger Coil Fins per inch Face Area ft m External Finish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit CU KS36NKUA Microprocessor Circuit Fuse 400V315A 250V25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output C 9RVN273HOH 2 500W Compressor Oil Amount Pints cc FV68S 2 98 1 400 Coil Resistance Ambient Temp 77 F 25 C Ohm Safety Device CT Peak current cut off control Yes Compressor Discharge Temp Control Yes Yes Operation cut off control in abnormal ambient Temp vws Overload Relay Model CS 7L110 Operation Temp Open 230 F 110 C Close 203 F 95 C Run Capacitor MicoF VAC Crankcase Heater 230V 30W Propeller Q ty Dia inch mm 1 D19 9 32 D490 NoofPoles jp Coil Resistance Ambient Temp 68 F 20 C Safety Device Type Internal Controller Over Current Protection Over Heat Protection Run Capacitor Heat Exchanger Coil Fins per inch Face Area ft m External Finish Acrylic baked on enamel finish DATA SUBJE
39. AWG10 min or bigger 1 for CU KS36NKUA CU KS30NKUA CU KS36NKUA It depends on wire specification and Length supply voltage level 2 AWG14 or bigger AWG14 or bigger 180 ft max 180 ft max 35A for CU KS3ONKUA 45A for CU KS36NKUA Fuse or Circuit Breaker Capacitv Disconnect switch 15A AWG American Wire Gauge 1 It depends on supply voltage level and wire specification Consider temperature rating of wire ambient temperature and the number of wires inside the conduit 2 Requirement of supply voltage level AC187V to 253V Measure voltage level at terminal plate inside the outdoor unit Nimm e Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc e Each wire must be firmly connected e No wire should be allowed to touch refrigerant tubing the compressor or any moving part N KR e To avoid the risk of electric shock each air conditioner unit must be grounded e For the installation of a grounding device please observe local electrical codes e Grounding is necessary especially for units using inverter circuits in order to release charged electricity and electrical noise caused by high tension Otherwise electrical shock may occur e Place a dedicated ground more than 7 2 m away from other grounds and do not have it shared with other elec tric appliances WIRING
40. CT TO CHANGE WITHOUT NOTICE 2 3 Other Component Specifications Indoor Unit CS KS3ONKU CS KS36NKU Outdoor Unit CU KS30NKUA CU KS36NKUA e Indoor heat exchanger sensor Model PTM D51H S6 1 e Indoor air temp sensor e Compressor temp sensor Model KTEC 35 135 1 Model TKS335B gt Resistance k ohm Resistance k ohm je LI 32 50 68 86 104 122 140 158 176 194 0 10 20 30 40 50 60 70 80 90 Temperature F 50 59 68 77 86 95 104 10 15 20 25 30 35 40 gt Temperature F e Outdoor air temp sensor Model TKS295B e Outdoor heat exchanger sensor Model TKS334B e Heat sink temp sensor HIC Board Model TKS316B 40 30 NLLL LLLI s LN LLLA LI o NIII sss oll D gt IL L u 14 23 32 41 50 59 68 20 15 10 5 0 S 10 15 20 Temperature F Resistance k ohm 15 3 DIMENSIONAL DATA Indoor Unit CS KS3ONKU Vv CS KS36NKU 91 6 v ej m A A E E a OTN x z T N y 8 L l a LO N ET y a o 0 10g m o 4 6 i be _ x E o oll pmo LI i ON TN N e c O N ge 7 lo e G e ue QL LL S oO P o 3 fap o G Nc o z ol
41. Control The remote controller has several features to facilitate This automatically sets the flap to the optimum position automatic operation during cooling and drying operation e 24 Hour ON or OFF Timer e Automatic Restart Function for Power Failure This timer can be set to automatically turn the unit on or off Even when power failure occurs preset programmed at any time within a 24 hour period operation can be reactivated once power resumes e 1 Hour OFF Timer e High Power Operation This timer can be set to automatically turn off the unit at The unit operates at maximum output for 30 minutes any time after one hour regardless of the desired temperature e Night Setback The fan speed is 1 step above High This function saves energy by controlling operation to Quiet Operation provide a quieter operating sound than normal The fan rotates slower than the fan speed setting to provide ieter ratin nd e Automatic and 3 step Fan Speed a quieter operating sound Auto High Medium Low e Unoccupied This function prevents the room temperature from increasing too much when no one is in the room and operate automatically to save energy CONTENTS Page Page FEATURE uu 2 SPECIAL Uu uuu n ica pads a EE 12 PRODUCT INFORMATION 2 SETIING THE TIMER u u uu uu 12 SAFETY PRECAUTIONS E 2 USING THE 1 HOUR OFF TIMER
42. In regions with snow and strong wind the following problems may occur when the outdoor unit is not provided with a platform and ducting a The outdoor fan may not run and damage to the unit may occur b There may be no air flow c The tubing may freeze and burst d The condenser pressure may drop because of strong wind and the indoor unit may freeze 2 2 2 Precautions for Installation in a Snowy Area 1 2 The platform should be higher than the maximum snow depth Fig 5g The 2 anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of outdoor unit The platform foundation must be firm and the unit must be secured with anchor bolts In case of installation on a roof subject to strong wind countermeasures must be taken to prevent the unit from being blown over Air discharge Air discharge Air discharge Fig 5e Outdoor unit Duct Air Intake Air Intake Platform foundation Fig 5f Without snow proof ducting High platform Without snow proof ducting Low platform Fig 5g 2 2 3 Dimensions of Wind proof Duct Reference diagram for CU KS3ONKUA CU KS36NKUA JL Air Intake Unit inch Air E 1 Hole for anchor bolt 4 R1 4 Anchor bolt 3 8 or M10 Air A discharge is 9 q
43. Me Lo ft min m h 630 1 070 530 901 412 700 Moisture Removal High Pints h 9 57 Available Voltage Range V 187 to 253 Running Amperes A 16 5 50106165 Power Input W 3 290 1 000 to 3 290 e Power Factor 2 EER BTU h W Compressor Locked Rotor Amperes A Airflow Direction Indoor Horizontal Vertical R410A 6 5 2 950 Operation Sound Indoor Hi Me Lo Qt dB A 49 44 39 32 Qt Quiet mode Outdoor Hi dB A 55 Refrigerant Tubing Connections Refrigerant Narrow tube inch mm 3 8 9 52 Tube Diameter Wide tube inch mm Unit Dimensions inch 11 13 16 x 41 15 16 x 9 1 16 35 13 16 x 37 1 32 x 13 3 8 Height x Width x Depth mm 300 x 1 065 x 230 910 x 940 x 340 Package Dimensions inch 12 7 32 x 44 7 8 x 14 31 32 42 3 8 x 40 x 16 3 8 Height Width x Depth mm 310 x 1 140 x 380 1 076 x 1 016 x 416 2 Weight Net lbs kg E Shipping lbs kg 4 59 0 13 15 88 0 45 x gt QD 00 ITI O E O O I gt Z G ITI I O c ur Z O 1 O Remarks Rating conditions are Cooling Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 95 F DB 75 F WB ml Indoor Unit CS KS3ONKU Outdoor Unit CU KS30NKUA 208V gt Total Capacity BTU h 30 600 10 900 to 30 600 kW 9 0 321090 Sensible Capacity BTU h A Air Circulation Hi Me Lo ft min m h 630 1 070 530 901 412 700 Moi
44. NG avoid an electric shock Release the terminal strip short circuit after the completion of self diagnostics Do not perform the short circuit work between any other terminals except for N CAUTION specified ones on the specified terminal strip If such work is performed between the incorrect terminals the unit might be broken i reu lt Convenient Tool for Short Circuit Work for example gt a Alligator Clip Alligator Clip En 1 lt Check Items before Troubleshooting Serial Communication Start gt After confirming that the following errors do not exist start the Troubleshooting Serial Communication in Alarm Code E05 and E07 P04 P05 P20 P27 Mis wiring inter unit cable etc 6 Reactor failure defective insulation etc AC power failure 7 High Pressure Switch failure Blown fuse 8 Overload Relay failure Power Relay failure 9 Magnetic Coil failure defective insulation short circuit etc Outdoor Fan Motor failure defective insulation etc 10 Compressor failure defective insulation etc 3 1 Alarm Code E05 Troubleshooting Serial Communication Outdoor Unit Indoor Unit _ Fig 1 Fig 2 Is the voltage of about DC12V or more given between the terminals 2 and on the outdoor unit terminal strip Serial Communication Line Fig 1 1 Turn OFF the power and wait until the power lamp LED No of the outdoor unit controller is turned OFF 2 Disc
45. OOM THERMISTOR ROOM UV ES 4P WHT 8FA2 5251 12400 1 29 Outdoor Unit CU KS3ONKUA CU KS36NKUA T HOLOW HOSS4HdNOO AV 14 QVO 13A HOLVIGVH MNIS LV3H MS ad ssatud LHM LHM O9IL3NDOVIN Q e 5 alto Ln a t mo mm t m DD c ED a a AD A 9 Q lt lt o Qu mo min rr mm x mr mmo rr lt S v c t FEE A A 21 HOOALNO 13A LHM qauvoa IOHLNOD NN LS3 L Add NIOG NIOV LHM LHM YOLOVAY LLL se 32 FF amp HA HA HA z 2 P A A LHM Aud 1nood 1noov 19 quvosg Od HALI 3SION YOLOW NVA NH9 k JSVOMNVHO gt gt 44 LHM LIL LIL AlddNS HAMOd LINN HOOQNI 8FA2 5251 15300 0 30 7 FUNCTIONS 7 1 Operation Functions Emergency operation Emergency operation is available when the remote controller malfunctions has been lost or otherwise cannot be used To operate the system press the OPERATION button which is also used as the receiver below the unit display Each time this button is pressed the OPERATION lamp changes color to indic
46. Panasonic DC INVERTER SPLIT SYSTEM AIR CONDITIONER TECHNICAL amp SERVICE MANUAL CS KS3ONKU CU KS3ONKUA CS KS36NKU CU KS36NKUA Indoor Model No Product Code No Outdoor Model No Product Code No 1 852 360 84 CU KS30NKUA CU KS36NKUA 1 852 360 85 1 852 360 86 CS KS30NKU CS KS36NKU 1 852 360 87 Outdoor Unit Indoor Unit CU KS30NKUA CU KS36NKUA x 2 2 CO 000 x CS c lt H am O A These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit REFERENCE NO SM700875 N SAFETY PRECAUTIONS Before doing repair work please read the SAFETY PRECAUTIONS carefully and fully understand them The precautionary items here are divided into N Warning and A Caution items Items in particular which may cause death or serious injury to the service personnel if the work is not performed correctly are included in the N Warning table However even precautionarv items identified as NCaution also have the potential for serious consequences if not performed correctly Important safety precautions are described for all items in both categories Be sure to carefully follow all of them Symbol Indication ZA This symbol indicates items to which we need to pay attention In this triangle a definite precautionary item is described This symbol indicates the item to be prohibited In or clo
47. Protection o Run Capacitor MiroF VAGI Flap Motor Stepping Motor Model 24BYJ48 1256 DC 12V Coil Resistance Ohm Each Pair of Terminal 200 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 11 Indoor Unit CS KS36NKU Control PCB CB CS KS36NKU Control Circuit Fuse 250V 3A Q ty Dia and Length inch mm 1 D8 15 16 L32 1 D100 L838 Coil Resistance Ohm Ambient Temp 68 F 20 C Type Internal Controller Over Current Protection Over Heat Protection Run Capacitor Moor S VO Flap Motor Model 24BYJ48 1256 Coil Resistance Ohm Each Pair of Terminal 200 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 12 2 2 2 Outdoor Unit Outdoor Unit CU KS3ONKUA Microprocessor CS Circuit Fuse 400V315A 250V25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output C 9RVN273H0H 2 250W Compressor Oil Amount Pints cc FV68S 2 98 1 400 Coil Resistance Ambient Temp 77 F 25 C Ohm Safety Device CT Peak current cut off control Yes Compressor Discharge Temp Control Yes Yes Operation cut off control in abnormal ambient Temp SCS Overload Relay Model CS 7L110 Operation Temp Open 230 F 110 C Close 203 F 95 C Run Capacitor Micro Ff V
48. R1 4 Anchor bolt 3 8 or M10 Unit inch 1 Unit top snow proof duct 1 2 Unit right snow proof duct 1 3 Unit left snow proof duct 1 4 Unit front snow proof duct 1 1 5 Unit reverse side snow proof duct 1 6 Unit reverse side snow proof duct 1 Unit reverse side reinforcement bracket 1 Q for snow proof duct Unit left reinforcement bracket for snow 1 5 8 proof duct 1 15 16 Q 9 32 X13 32 hole 1178 Ebina with 4 1 32 2 oO IXING WI 5 16 rear panel E e E OT jie L CO _ Ol s dfe 19 NI d Ai N 5 T 2 89 32 hole T Fixing with S rear panel 3 15 16 ALI 3 27 32 423132 ay cho le ton Les ats y Reference diagram for snow proof duct Space requirements for setting CU KS3ONKUA CU KS36NKUA with STK BDV80E Obstacle to the rear of unit Obstacle to the front of unit e Top is open 1 Single unit installation 2 Obstacles on both sides WA to Et o st Min 11 13 16 or more Min 11 13 16 or more Min 11 13 16 or more Min 11 13 16 Min 11 13 16 or more or more Min 11 13 16 or more Min 11 13 16 or more Note In cases 2 and 8 the height of the obstacle must be no taller than the height of the outdoor unit e lop is open 1 Single unit
49. SHC Sensible Heat Capacity BTU h NOTE 1 Above data does not take freeze prevention protection during cooling operation into account For this reason the value may vary from the actual cooling characteristics 2 Above data represents the value when the operation frequency of a compressor is fixed 24 5 4 Air Throw Distance Charts Indoor Unit CS KS30NKU Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 10 Axis air velocitv ft sec Vertical distance ft Flap angle 0 Flap angle 30 25 Axis air velocity 0 Axis air velocity 30 Indoor Unit Axis air velocity ft sec Vertical distance ft CS KS36NKU Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 10 Flap angle 0 angle 30 26 Axis air velocity 0 Axis air velocity 30 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit CS KS3ONKU Outdoor Unit CU KS3ONKUA 1 Voltage 230V Cooling lt 230V gt Indoor UnitOutdoor Unit Comment Fan Motor Fan Motor Compressor P Performance at 230V Single phase 60Hz Rating conditions Funning amp Power input 3 251 3 290 Rating conditions Indoor air temperature 80 F 26 7 C DB 67 F 19 4 C WB Outdoor air temperature 95 F 35 DB 2 Voltage 208V Cooling lt 208V gt Indoor U
50. SYSTEM DIAGRAM Disconnect switch Field supply B LN INDOOR UN OUTDOOR UNIT Terminal tn sa Power supply Single phase 230 208V 60Hz gt L N e rounding line Fig 23 Co Disconnect switch may be required by national or local codes Always comply with national and local code requirements e Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit e Do not run wiring for antenna signal or power lines of television radio stereo telephone security system or intercom any closer than 3 4 1 m from the power cable and wires between the indoor and outdoor units Electrical noise may affect the operation 17 3 8 Wiring Instructions for Inter unit Connections 1 Insert the inter unit wiring according to local codes into the through the wall PVC pipe Run the wiring toward the indoor side allowing approx 10 25 cm to extend from the wall face Fig 24 2 Grasp both ends of the front panel push the arms towards the outside and remove the front panel by opening it towards the front and pulling it towards you If the front panel is difficult to remove grasp both ends of it and lift it up slightly Move it to the left and disengage the left arm then move it to the right and disengage the right arm 3 Remove the screw on the right side cover plate and open the cover
51. UIET Mode the fan rotates at a slower speed than the fan speed setting e f the unit is already operating with a very low airflow the fan sound may not change even if the QUIET button is pressed 6 HIGH POWER Mode FAN SPEED NIGHT SETBACK FLAP HIGH POWER HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes Press the HIGH POWER button while unit is operating The 7 mark appears in the display To cancel press HIGH POWER button again e When the HIGH POWER button is pressed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High e QUIET Mode and HIGH POWER Mode cannot be used at the same time NOTE Pressing the MODE selector button cancels HIGH POWER mode e Depending on the operating conditions the fan speed may be increased by a small amount only 7 UNOCCUPIED Mode CANCEL clock e SENSOR CPF TE UNOCCUPIED A Unoccupied mode is used to prevent the room temperature from increasing too much when no one is in the room and operate automatically to save energy Press the UNOCCUPIED button The mark appears in the display To release the unoccupied function press the UNOCCUPIED button again Unoccupied Indication Unoccupied Unoccupied Function Indication OFF no display The unoccupied function is not set The unoccupied function is now 2
52. URE E11 FAN MOTOR FAILURE 2 CONNECTOR CONTACT FAILURE O D DC FAN OPERATION TROUBLE SOD PCB FAILURE m 05 E01 EV NO O O D SYSTEM COMM FAILURE OLR OPERATION O D POWER E07 P04 P05 P20 P27 1 MIS WIRING 2 BLOWN FUSE 3 POWER RELAY FAILURE as 4 O D PCB FAILURE 5 COMPRESSOR FAILURE OPEN PHASE O D FREEZING 1 I D FAN SYSTEM TROUBLE 2 INSUFFICIENT GAS E13 FREEZING PREVENTION OPERATION 3 OPERATION AT LOW TEMPERATURE 8FA2 5251 12500 1 P11 es sess xe sis x x ss x EEE 37 2 If the self diagnostics function fails to operate Check the indoor unit Is the fuse blown Normal No indicators illuminate and the indoor fan does not rotate Check the power voltage Blown Replace the circuit board or the fuse Replace the controller 38 8 3 Checking the Indoor and Outdoor Units 1 Checking the indoor unit cme Check tems unit operation Use the remote controller to operate the e The rated voltage must be present between inter unit wirings 1 and 2 unit in TEST run mode To determine e Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the whether the mode is currently in voltage at both ends is measured approximately 12 to 15V DC must TEST run mode check the 4 indicator be output and the multimeter pointer must bounce once every 8 lamps on the unit If all 4 are blinking seconds the current mode is TEST run Or instea
53. agram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazards due to insulation failure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the wiring svstem diagram Wrong wiring mav cause the unit to misoperate or become damaged 5 Donotallow wiring to touch the refrigerant tubing compressor or anv moving parts of the fan 6 Unauthorized changes in the internal wiring can be verv dangerous The manufacturer will accept no responsibilitv for anv damage or misoperation that occurs as a result of such unauthorized changes 16 Frame Left tubing outlet Fig 20 Frame Right tubing outlet Fig 22 3 7 Wire Size and Length Regulations on wiring diameter differ from locality to locality For field wiring requirements please refer to your local elec trical codes Carefully observe these regulations when carrying out the installation Refer to the wiring system diagram Fig 23 for the meaning of A B and C in Table 5 Refer to your local codes or in the absence of local codes see the National Electric Code ANSI NFPA70 Table 5 Model A POWER SUPPLY WIRING B POWER LINE C CONTROL LINE AWG12 min or bigger 1 for CU KS3ONKUA Wire Size
54. al vacuum pump Electronic scale for charging refrigerant Flare tool Bender Tools which can be com Torque wrench monly used for R22 R407C and R410A Cutter reamer Welding tool nitrogen gas cylinder AN e The above tools specifically for R410A must not be used for R22 and R407C Doing so will cause malfunction of the unit e For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R410A type However they must be used exclusively for R410A and never alternately with R22 and R407C e To prevent other refrigerants R22 R407C from being mistakenly charged to this unit shape and external diameter of the service port screw has been altered External diameter of service port R410A 5 16 R22 R407C 1 4 10 4 Tubing Installation Procedures When the tubes are connected alwavs applv HAB oil on the flare portions to improve the sealing of tubing The following is the HAB oil generallv used Esso ZERICE S32 For details on tubing installation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 50 10 5 In Case of Compressor Malfunction CAUTION e Should the compressor malfunction be sure to make the switch to a replacement compressor as quickly as possible e Use only the tools indicated exclusively for R410A See 10 3 Tools Specifically for R410A 10 5 1 Procedure for Replacing Compressor 1 Recovering
55. ally to control the electrical current for operation e When the cause of the increase in electrical current is rectified the system will resume operation in the original mode CS KS30NKU A Cooling Dry lt CS KS36NKU gt A Cooling Dry 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or Repair e After checking the self diagnostics monitor turn the power OFF before starting inspection or repair e High capacity electrolytic capacitors are used inside the outdoor unit controller inverter They retain an electrical charge charging voltage DC 310V even after the power is turned OFF and some time is required for the charge to dissipate Be careful not to touch any electrified parts before the controller LED red turns OFF If the outdoor controller is normal approximately 30 seconds will be required for the charge to dissipate However allow at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller 8 2 Method of Self Diagnostics Follow the procedure below to perform detailed trouble diagnostics 1 If the operation lamp blinks every 0 5 seconds immediately when the power is turned ON there is an external ROM OTP data failure on the indoor circuit board or a ROM socket insertion problem or the ROM has not been installed 2 The failure mode is stored in memory even when the power is not ON Follow the pr
56. ate the type of operation Select the desired type of operation COOL STOP GREEN Lamp Off ha e The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation en 31 SENSOR DRY During DRY operation the system adjusts the room temperature and fan speed according to the conditions in the room in order to maintain a comfortable room environment SENSOR DRY operation e DRY operation is as shown in the figure below Load COOL zone Conditions are monitored at all times when the room temperature is below 59 F 15 C DRY A The compressor operation frequency varies The indoor fan operates with 1 f fluctuation The compressor operates at a low operating frequency The indoor fan operates with 1 f fluctuation Monitoring operation takes place when the room temperature is below 59 F 15 C or more than 5 F 3 C below the set temperature e When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation NOTE The Sensor Drv operation during the Low Ambient Cooling Mode outside air temperature 597F 157C or lower is as follows DRYA_ and When room temperature rises above the set temperature the compressor turns ON When room temperature falls below the set temperature the compressor turns OFF This function acts to raise the power but keeps the AC system in the same operating mode This function is se
57. between the remote controller and air conditioner since a check signal is sent from the remote controller every 5 minutes MOUNTING THE REMOTE CONTROLLER Before mounting the remote controller press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Rear Side Remote Control Holder 2 Press Set in 1 place Mounting Screws 5 32 x 13 16 4 x 20 mm included To prevent loss of the remote controller you can connect the remote controller to the holder by passing a string through the remote controller and attachment hole To take out the remote controller pull it forward WHEN HOLDING THE REMOTE CONTROLLER e When using the remote controller and during air conditioner operation the transmitter on the remote controller should be pointed towards the receiver on the indoor unit Make sure that there are no objects between the remote controller and receiver which could block the signal OPERATION WITH THE REMOTE CONTROLLER 1 Operation 7 ON OFF O STEP 2 STEP 3 STEP 1 FAN SPEED NIGHT SETBACK STEP 4 FLAP HIGH POWER STEP 5 NOTE Check that the circuit breaker on the power panel is turned on Press the setting buttons as described below and change the settings as desired Press the MODE selector b
58. d of measuring the voltage you can insert an LED jig and check that the LED flickers once every 8 seconds e f there are no problems with the above then check the outdoor unit e For the Test run procedure refer to the Appendix B Installation Instructions 2 x the outdoor unit 2 the rated voltage between outdoor e The control panel LED red must illuminate unit terminals L and N Short circuit the outdoor unit COM terminal The compressor fan motor and 4 way valve must all turn on to the T RUN terminal e If there are no problems with the above then check the indoor unit Using the TEST T RUN terminals TEST T RUN terminals T RUN Test run compressor and fan motor turn ON TEST MV Compresses time to 1 60th accelerates operation by 60 times faster than normal 39 3 Serial Communication Error Identification Procedure If the lamps on the main body show the following conditions after the completion of self diagnostics a communication error between the indoor unit and outdoor unit might be considered In such a case identify the breakdown section by using the following procedure Refer to Method of Self Diagnostics for the self diagnostics procedure Timer Operation X Off arm Code f Error Code Se 9 1 iK Blinking 2 Illuminated lt Before the Operation gt For terminal strip short circuit work or inter unit wiring removal turn off the power to N WARNI
59. d the tube end downward and be sure that no copper scraps fall into the tube Fig 48 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Figs 49a and 49b Use RIDGID or equivalent A good flare should have the following characteristics e inside surface is glossy and smooth e edge is smooth e tapered sides are of uniform length 5 3 Caution before Connecting Tubes Tightly a Be sure to apply a sealing cap or water proof tape to prevent dust or water from getting into the tubes before they are used b Besure to apply refrigerant lubricant to the match ing surfaces of the flare and union before connect ing them together This is effective for reducing gas leaks Fig 50 c For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 51 Deburring Before IN E Fig 47 Copper tubing P Reamer Fig 48 If the special R410A If the previous flare tool flare tool is used ZZ 0 to 0 0196 ZZ 0 0472 1 2 mm 0 to 0 5 mm clutch type is used Adjust so that the amount of tube protrusion is as shown in the figure Fig 49a s Flare nut Copper 9 tubing Fig 49 Apply refrigerant lubricant here and here Union Flare nut
60. designated location in compliance with the applicable local ordinances AN emon Information for Users on Collection and Disposal of Old Equipment and used Batteries Information on Disposal in other Countries outside the European Union These symbols are only valid in the European Union If you wish to discard these items please contact your local authorities or dealer and ask for the correct method of disposal Note for the battery symbol bottom two symbol examples This symbol might be used in combination with a chemical symbol In this case it complies with the requirement set by the Directive for the chemical involved HOW TO USE THE REMOTE CONTROLLER When using the remote controller always point the unit s transmitter head directly at the air conditioner s receiver Air Conditioner Indoor unit Remote Controller Transmitter head REMOTE CONTROLLER INSTALLATION POSITION The remote controller may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places e In direct sunlight e Behind a curtain or other places where it is covered More than 26 ft 8 m away from the air conditioner e n the path of the air conditioner s airstream e Where it may become extremely hot or cold e Where it may be subject to electrical or magnetic noise e Where there is an obstacle
61. ding to local applicable regulations related to electrical equipment or interior wiring regulation and make sure to use the exclusive circuit Insufficient capacity to the electric circuit or defective arrangement results may cause an electric shock or fire Make sure to replace any power cable or lead wire showing any signs of scratch or deterioration Failure to do so may cause an electric shock overheating or fire Make sure that there is no dust on or slack in the power plug and insert fully into the socket Dust or incomplete connections may cause an electric shock or fire Do not damage or process the power cord as it may cause an electric shock or fire For the wiring between the indoor unit and outdoor unit securely fix the specified cable onto the terminal plate Poorly fixed wiring may cause a heat or fire After connecting the wiring between the indoor unit and outdoor unit attach the terminal cover securely Incomplete attachment of the terminal cover may cause overheating or fire Prohibit Prohibit Prohibit Prohibit Prohibit 9929993929 If refrigerant gas blows off during the work do not touch the refrigerant gas as it may cause frostbite S Prohibit If refrigerant gas leaks during the work ventilate the room If refrigerant gas catches fire harmful gas may be generated Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle If air or other contaminants mix with the gas
62. displaved 3 Wait a few seconds and then the setting is complete 3 How to set the ON time Example To start operation at 7 10 am AM EN 1 Press the ON TIME setting The timer indication is button once displayed and the present ON time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments The timer indication stops blinking and the present time is displayed 2 Press the Advance Return a w button until AM 7 10 is displayed 3 Wait a few seconds and then the setting is complete 4 How to set daily ON OFF repeat timer Example To start operation at 7 10 am and stop the air conditioner at 11 00 am 10 30 pm 11 00 am Present time OFF RC 1 Set the timer ON OFF times The present time 10 30 pm and KOV OFFO are displayed as shown in 2 1 2 3 and 3 1 2 3 e The ON OFF combination timer uses the current time as the reference and it is activated starting from whichever set time comes first e With the ON OFF combination timer the settings are repeated every day e You can check the timer ON OFF times after you have set them by pressing the ON TIME and OFF TIME setting buttons To cancel a timer program e Press the CANCEL button e When either an ON or OFF timer is to be canceled press the button corresponding to the timer w
63. door Unit CU KS36NKUA Cooling Characteristics RH 46 Indoor fan speed High fan 60Hz 230V 1 Low pressure performance chart OEE EEE T Ker 12270 E ju 3 o LLL ELE EL EE LE EE sc oc psig MPaG mar 95 2 0 15 10 5 5 0 5 20 25 80 35 40 Outdoor inlet air DB temp F C Low pressure at wide tube service valve 2 Operating current performance chart Operating current A 4 5 20 15 c 0 5 0 5 0 5 20 Outdoor inlet air DB temp F C 3 Indoor discharge air performance chart 6 4 4 18 wow HHK EEA ssa MILE 46 4 8 TT ty 4 5 14 23 32 41 50 59 68 95 104 77 86 20 15 10 5 0 S 10 15 20 25 30 35 40 Outdoor inlet air DB temp F C 42 8 6 Indoor discharge air temperature F C A NOTE e Check each performance value in test run mode Electrical performance values represent a combined indoor outdoor value 20 5 2 Cooling Capacity Indoor Unit Outdoor Unit CS KS3ONKU CU KS3ONKUA Power Supplv 230V Single Phase 6OHz lt Cooling Capacity gt RATING CAPACITY 30 600 BTU h AIR FLOW RATE 630 CFM INDOOR OUTDOOR ENT TEMP F C AMBIENT TEMP F 105 115 053 RN Po PN 40 6 46 1 32 420 31 780 31 050 30 600 25 550 17 760 15 150 14 790 14 420 14 300 12 100 8 920
64. e air conditioner makes the room cooler FAN The air conditioner works only as a circulation fan NIGHT SETBACK button For details see 4 Night Setback Mode When you press this button in the DRY or COOL mode the mark appears in the display and the remote controller will automatically adjust the set temperature to save energy HIGH POWER button D If this button is pressed during DRY COOL or FAN operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1step above HIGH CLOCK button UNOCCUPIED button For details see 7 UNOCCUPIED Mode When you press this button the mark appears in the display And the remote controller will automatically prevent the room temperature from increasing too much when no one is in the room ACL button ALL CLEAR Puts the remote controller into pre operation status Always press this button after replacing the batteries us NOTE e The illustration above pictures the remote controller after the cover has been opened 0 AIR CONDITIONEI Cover closed e The remote controller sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote controller stops for more than 15 minutes due to the loss of the remote controller or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the
65. ecedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later 2 Operation together with the daily ON OFF repeat timer The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting TIPS FOR ENERGY SAVING Avoid e Do not block neither the air intake nor the air outlet It may cause less performance and may leads to malfunctions Do not let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to CARE AND CLEANING A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed 14 ADJUSTING THE AIRFLOW DIRECTION 1 Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right When the humidity is high the vertical vanes should be in the front position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to form around the air vent and drip down 2 Vertical The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with y
66. encv bv 1 Hz per 0 5 seconds when Point B is exceeded 25 0 e Stops operation and restarts it appoximatelv 5 minutes later if Point C is the Point exceeded Current Value May operate when sudden voltage fluctuations occur gt Indicates trouble on the Point B 24 0 Current Value on the Point A Maximum Current Value Change Procedure 1 Remove the inspection panel Refer to Fig 2 in Reducing Control for details 2 When the switch No 2 of the dip switch SWO1 on the control P C Board is turned ON the maximum current value change Fig 4 Power lamp Dip Switch Swo1 Max Current Value ON Switch No 2 CU KS30NKUA CU KS36NKUA ku 12 ON 17 00 ip switch SWOT D O E SW01 Fig 4 Control P C Board 34 7 2 Protective Functions ll Freeze prevention During COOL or DRY operation freezing is detected and operation is stopped when the temperature of the indoor heat exchanger matches the conditions below 1 Freeze prevention operation is engaged when the temperature of the indoor heat exchanger is below 41 F 5 C 2 Restart after freeze prevention operation occurs when the temperature of the indoor heat exchanger reaches 46 F 8 C or above Indoor heat exchanger temperature F C Area Automatic capacity control When the temperature drops below Point A the operation frequency is reduced by a certain proportion Area Frequency increase is pro
67. ent Indoor Unit CS KS3ONKU Outdoor Unit CU KS30NKUA Power supply 230V Single Phase 60Hz Cooling Capacity Low Ambient gt RATING CAPACITY 30 600 BTU h AIR FLOW RATE 630 CFM INDOOR OUTDOOR ENT TEMP F C AMBIENT TEMP F C WB 0 5 15 25 35 45 55 17 8 15 0 94 3 9 1 7 7 2 12 8 Te 30 390 30 360 30 270 30 170 30 040 29 820 29 610 17 720 17 720 17 600 23 230 17 480 17 360 17 360 30 370 30 380 30 410 30 430 30 420 30 310 30 250 10 510 10 510 10 510 23 230 10 630 10 510 10 510 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h NOTE 1 Above data does not take Freeze Prevention Protection during cooling operation into account For this reason the value mav varv from the actual cooling characteristics 2 Above data represents the value when the operation frequencv of a compressor is fixed 23 Indoor Unit CS KS36NKU Outdoor Unit CU KS36NKUA Power supply 230V Single Phase 60Hz lt Cooling Capacity Low Ambient gt RATING CAPACITY 34 000 BTU h AIR FLOW RATE 630 CFM INDOOR OUTDOOR ENT TEMP F C AMBIENT TEMP F E _ es eo ce on Ga cem 30 a T x m x 71 x 21 21 510 21 510 21 510 23 230 21 390 21 270 21 150 30 570 30 620 30 730 30 820 30 910 30 900 30 930 10 630 10 630 10 750 23 230 10 750 10 750 10 750 TC Total Cooling Capacity BTU h
68. ent of Insulation Resistance 46 9 2 Checking Continuity of Fuse on PCB Ass y 47 10 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10 1 Characteristics of New Refrigerant R410A 48 10 2 Checklist before Servicing 49 10 3 Tools Specifically for R410A a aa 50 10 4 Tubing Installation Procedures 50 10 5 In Case of Compressor Malfunction ters oen itd nu don nata Rr S Sra inenen 51 10 6 In Case Refrigerant is Leaking nanna eenen eenen vensen 53 10 7 Charging Additional Refrigerant 54 10 8 Retro Fitting Existing Systems itiha 54 Operating INSIFUCHOM item 1 INSTALLAION INSTRUCTIONS eere A 2 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp 95 F DB 71 F WB 115 F DB Cooling Mini o 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit CS KS3ONKU Outdoor Unit CU KS3ONKUA lt 230V gt Total Capacity BTU h 30 600 10 900 to 30 600 kW 9 0 321090 Sensible Capacity BTU h A Air Circulation Hi
69. er ACL Reset but ton to cancel the blinking oP 7 display Fig 64 Changing of the second remote controller address is now completed 31 Fig 63 button MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER TIMER Co c A A w hd gt d CANCEL cie O SENSOR CF Ey UNOCCUPIED ACL Fig 64 ON OFF operation button 1HR TIMER button DC1111 0
70. er OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced The illustrations are based on the typical appearance of a standard model Consequently the shape may differ from that of the air conditioner that you are installing Others CAUTION Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured X Do not sit or step on the unit you may fall down accidentally Do not stick any object into the FAN CASE You may be injured and the unit may be damaged 1 General This booklet briefly outlines where and how to install the 6 Sabre saw or key hole saw air conditioning system Please read over the entire set 7 Hacksaw of instructions for the indoor and outdoor units and make 8 Core bits sure all accessory parts listed are with the sy
71. es and malfunction 1 Locations near broadcast stations where Either of the following trouble may occur The fundamental concept is to make the there are strong electromagnetic waves 1 The unit may stop suddenly during system less susceptible to noise 2 Locations near amateur radio short wave operation Insulate for noise or stations 2 Indicator lamps may flicker distance from the noise source 3 Locations near electronic sewing machines 1 Use shielded wires and arc welding machines 2 Move unit away from the noise source 2 Electromagnetic interference This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric wiring affecting any wireless devices televisions radios etc located nearby 1 A television or radio is located near the 1 Noise appears in the television picture 1 Select a separate power source A C and A C wiring or the picture is distorted Keep the A C and A C wiring at least 1 meter 2 The antenna cable for a television or 2 Static occurs in the radio sound away from wireless devices and antenna cables ae located close to the A C and A C Change the wireless deviceOs antenna to a high wiring 3 Locations where television and radio signals are weak sensitivity antenna Change the antenna cable to a BS coaxial cable Use a noise filter for the wireless device Use a signal booster
72. from the appropriate covers A and B Fig 46d Route the tubing so that it does not contact the compressor panel or other parts inside the unit Increased noise will result if the tubing contacts these parts When routing the tubing use a tube bender to bend the tubes Inspection panel rp Screw Terminal plate Fig 46c cm e cc lt De Inter unit power line conduit W Wiring outlet Fy Front Tubing outlet agni N Cover A Power supply line conduit Fig 46d 23 5 Refrigerant Tubing 5 1 Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts 5 2 Flaring Procedure with a Flare Tool 1 Cut the copper tube to the required length with a tube cutter It is recommended to cut approx 12 to 20 30 to 50 cm longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 47 When reaming hol
73. fter completing a leak test bundle the tubing together with armoring tape and store it inside the tubing storage area at the back of the indoor unit and hold it with clamps Figs 40a and 41 21 Hole in wall Narrow tube Fig 38 Bent part Wide tube a d Y CT VY TT LLL E A m ted Tp Clamp Drain hose Drain pan outlet Drain bracket Drain hose Drain bracket lt Screw Refrigerant tubing Inter unit wiring To unmount indoor unit Press the 2 A marks on the lower part of the indoor unit and unlatch the tabs Then lift the indoor unit and unmount Fig 42 3 10 Frame Fastening Method 1 Remove the screw cover on the bottom surface Fig 43 2 Fasten the frame to the rear panel using the 2 sup plied tapping screws 5 32 x 13 32 4 x 10 mm Fig 43 Under normal conditions the installation design calls for a less than 3 32 2 mm gap between the air conditioner unit and the wall Confirm that the gap is appropriate less than 2 mm 3 11 Drain Hose a The drain hose should be slanted downward to the outdoors Fig 44 b Never form a trap in the course of the hose c lfthe drain hose will run in the room insulate the hose with insulation so that chilled condensation will not damage furniture or floors Fig 45 Foamed polyethylene or its equivalent
74. h a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician NOTE Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply when not in use for a long time SAFETY INSTRUCTIONS e Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help e This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual AN e Confirm to authorized dealer or specialist on usage of specified refrigerant type Using of refrigerant other than the specified type may cause product damage burst and injury etc Never touch the unit with wet hands Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous Do not use this appliance in a potentially explosive atmosphere This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not swallow the battery After removing the battery from remote controller keep it away from the reach of childre
75. ha Air dle G vibration and noise Fig 5d Fig Sa use lug bolts or equal to bolt down unit reducing vibration and noise CAUTION e install in a location where no antenna of a television I or radio exists within 10 3 m e Concerning air intake side distance A Fig 5a Drain holes The minimum for distance A is 6 if there are no obstructions on the air discharge side wall 1 side and 2 or 4 is not present In all other cases the min Q imum for distance is 8 e If wall 1 is on the air discharge side Fig 5a or if obstructions are present on all 3 sides 2 3 and 4 nm Fig 5a then the minimum distance for and is 39 3 8 Even if there is wall on the air discharge side a minimum of 39 3 8 is required KW Anchor bolts li 4 pcs Air intake il minh il li gt I II Min 6 15 cm f HH i lj Concrete i III II lt XXX Y a 5 cm Cushion rubber About 41 Locally purchased 4 40 2 2 1 Installing the Unit in an Area with High Winds and in a Snowy Area e In locations with high winds a wind proof duct should be fitted and direct exposure to the wind should be avoided as much as possible Fig 5e e In regions with significant snowfall the outdoor unit should be provided with a platform and snow proof duct Fig bf Countermeasures against snow and wind
76. hat the temperature around the compressor is not too high and then perform the repair work Failure to do so may cause a burn Perform welding work in a place with good ventilation If the work is performed in a poorly ventilated area it might cause a lack of oxygen If the installation plate or attachment frame has deteriorated due to corrosion etc replace it Failure to do so may cause an injury due to the unit falling When the cleaning is to be performed make sure to turn off the power and pull out the plug Touching the fan that is rotating at high speed may result in an injury When the indoor unit is to be removed do not place it on an incline S Doing so may cause wet furniture because water left inside may trickle down Prohibit Do not hold the sharp end of the unit or the aluminum fins as it may cause an injury to your hand or finger S Prohibit After repairs make sure to measure the insulation resistance and confirm that the value is 1 Mohm or more Any insulation error may cause an electric shock After repairs make sure to check the drainage of the indoor unit Inappropriate drainage may cause wet furniture and floors due to water leakage Table of Contents Page NSAFETY PRECAUTIONS seen tette tnnt rte nn tnnt tnr tetti 2 TABLE OF CONTENTS ends 4 1 OPERATING RANGE 6 2 SPECIFICATIONS 2 1 Unit Specifications
77. he refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase When refrigerant R410A is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in liquid phase Ether type oil is used for compressor oil for R410A type units which is different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 48 10 2 Checklist before Servicing Use a clutch type flare tool for R410A or the conventional flare tool Note that sizes of the resultant flares differ between these two tools Where a conventional flare tool is used make sure to observe A Specification amount of extrusion by using the flare spacer Specification A Diameter of tube D Flare tool for R410A Conventional flare tool for R22 Dia 1 4 6 35 mm Dia 3 8 9 52 mm 0 to 0 0196 0 0472 Dia 1 2 12 7 mm 0 to 0 5 mm 1 2 mm Dia 5 8 15 88 mm e Size of flare Flare tool for R410A Conventional flare tool R22 e Tubing precautions e Refrigerant R410A is more easily affected by dust or moisture compared with R22 thus be su
78. hibited When the temperature reaches Point C or above freezing prevention is ended and control is the same as in the a area When the temperature drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off 35 Compressor discharge temperature control This function controls the operation frequency to prevent the compressor discharge temperature from rising more than a specified temperature Compressor discharge temperature F C Approx 214 101 Approx 2 Area Automatic capacity control When the temperature rises above Point A the operation frequency is reduced at a specified rate Area Further frequency increase is prohibited When the temperature falls below Point B prevention of a rise in frequency is released and the air conditioner operates as in a area The compressor will stop if the temperature of the compressor discharge exceeds 248 F 120 C due to shortage of gas or other reason CT Peak current cut off control This function prevents the circuit breaker or fuse from operating to open the circuit This function works when electrical current has increased due to an increase in the cooling load or to a decrease in the power supply voltage In these cases operation frequency is reduced or operation is interrupted auto matic
79. hose program is to be canceled and then press the CANCEL button e The airflow direction fan speed and temperature setting can be changed after a timer program has been set even when the unit is stopped Even when operation is stopped during an ON timer program the unit will start operating when the set time is reached provided that the program is not canceled e When the ON timer and OFF timer are set to the same time the timer operates as if it is turned off 13 USING THE 1 HOUR OFF TIMER 1 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when this button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally NOTE e f while the 1 Hour Timer function is operating the 1HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops t is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes pr
80. ing to provide a quieter operating sound ir 0 FAN SPEED selector button OE 9 The air conditioner automatically decides the fan speeds AM mre High fan speed 2000 2000 Medium fan speed PA 74039 Low fan speed FLAP button Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically 1 Auto flap setting If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions 73 The flap moves up and down automatically When you press the FLAP button the air flow direction will be changed one by one as follows 1 2 3 4 5 6 7 8 DNT q u _ A mdr gt SWEEP ON TIME OFF TIME setting buttons Advance button Return button No display The timer does not operate The air conditioner starts at the set time The air conditioner stops at the set time The air conditioner stops and starts or starts and stops at the set times every day For details see SETTING THE TIMER CANCEL button SENSOR button When you press this button use a small tipped object such as a ballpoint pen the mark will appear at the display And the room temperature is detected by
81. installation Min 19 11 16 or more 2 Multiple unit installation 2 or more units e hel Min 39 3 8 or more N e lop is blocked by an obstacle Min 6 or more Min 39 3 8 or more D 11 e Top is blocked by an obstacle Ge Min 39 3 8 or more Min 39 3 8 or more Obstacles to the front and rear of unit e The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit 1 Single unit installation Min 8 or more Min 19 11 16 or more Min 39 3 8 or more 2 Obstacles on both sides Installation is possible with the maximum 3 outdoor units Min 19 11 16 or more w NI T m gt E G Min 39 3 8 or more Min 11 13 16 Min 11 13 16 or more or more Installation in front rear rows N e The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit Min 19 11 16 Min 11 13 16 or more or more Min 39 3 8 Min 59 1 16 Min 78 3 4 Min 11 13 16 or more or more or more or more Z Unit inch 12 3 How to Install the Indoor Unit 3 1 Remove the Rear Panel from the Unit 1 Remove and discard
82. is recom mended NE Do not supply power to the unit or operate it until all tubing and wiring to the out side unit are completed Risk of Electric Shock 22 T Push Fig 42 Indoor unit Insulation material Locally purchased must be used Fig 43 Drain hose Fig 44 4 Condensation Fig 45 4 How to Install the Outdoor Unit First refer to Section 2 Installation Site Selection 4 1 Wiring Instructions for the Outdoor Unit Regulations on wire size differ from locality to locality For field wiring requirements please refer to your local elec trical codes Make sure that the installation fully complies with all local and national regulations 1 Remove the 3 screws from the inspection panel Fig 46a Remove the inspection panel by sliding it downward and pulling it toward vou Fig 46b Connect the inter unit and power supply line accord ing to the wiring svstem diagram on the inspection panel Fig 46c When connections are completed check that all connections are correct as shown in the wiring sys tem diagram Be sure to ground the unit according to vour local codes 4 2 Routing the Tubing and Wiring e The tubing and wiring can be extended out in 3 direc tions front rear and right Use a nipper or similar tool to cut out the knockout holes for the inter unit control wiring outlet power wiring outlet and tubing outlet
83. it breaker tripped 3 Line voltage is too low 4 Batteries in remote controller have run down Trouble in system Obstruction in front of condenser coil Outdoor Unit Dirty or clogged air filter Heat source or manv people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling In cooling operation any plastic parts may shrink due to a sudden temperature change In this event a clicking sound may occur The use of cellular phones near the air conditioner may cause disturbance to its normal operation 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Replace batteries Contact service center Remove obstruction 1 Clean air filter to improve airflow Eliminate heat source if possible Shut them to keep the heat out Remove it to ensure good airflow Setthe temperature lower This is normal and the sound will soon disappear 1 Turn off the power then restart the air conditioner after a while 2 Consult vour dealer OPERATING RANGE The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air Outdoor air temperature temperature COOLING Max 95 F DB 115 F DB 71 F WB Min 67 F DB 0 F DB 57 F WB WIRED REMOTE CONTROLLER A separately sold wired remote contr
84. ks up infrared signals from the CONTROL remote controller transmitter receiver Air Outlet OPERATION When the remote controller cannot be used button pressing this button enables cooling operation NOTE Each time this button is pressed the operation mode changes cyclically This illustration is based on the external view of a standard model Consequently the shape may differ from that of the air conditioner Cooling operation Stop which you have selected This air conditioner consists of an indoor unit an outdoor unit You can control the air conditioner with the remote controller Air from the room is drawn into this section and passes through air filters which remove dust Conditioned air is blown out of the air conditioner through the air outlet Remote The remote controller controls power ON OFF NOTE Controller operation mode selection temperature fan speed timer setting and air sweeping The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode OPERATION This lamp lights when the system is in the lamp continuous DRY orange COOL green and FAN green mode TIMER lamp This lamp lights when the system is being controlled by the timer Refrigerant The indoor and outdoor units are connected by Tubes copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor The outdoor unit c
85. le follow the steps below When the air conditioner is not running Each time the OPERATION button is pressed the operation mode changes cyclically Stop t JJ Cooling operation The temperature is set to the room temperature minus 4 F during the cooling operation and the fan speed and flap are set to Auto CARE AND CLEANING 1 For safety be sure to turn the air AN conditioner off and also to disconnect the power before cleaning Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts The internal coil and other components of the outdoor unit must be cleaned everv vear Consult your dealer or service center Filter The filter behind the front panel should be checked and cleaned at least once everv two weeks How to remove the filter 1 Grasp
86. les must be no taller than the height of the outdoor unit Installation in front rear rows Installation with intakes facing Installation with intakes facing outlets intakes or outlets facing outlets More than 11 13 16 d More than 47 1 4 More than 78 3 4 Unit inch CAUTION The front and both sides must remain open 2 2 4 Dimensions of Snow proof Duct Reference diagram for CU KS3ONKUA CU KS36NKUA 27 5 8 11 5 8 Air Intake gt 8 15 16 25 31 32 39 1 4 4 11 32 27 1 32 28 15 16 35 15 16 1 16 Fastened by screws at 14 locations 4 11 32 5 7 8 27 9 16 Unit inch 28 3 16 20 13 32 Fastened by screws 25 13 32 at 3 locations SIE D Fastened by screws at 2 locations 2 9 32 hole mL Same on the Fixing with V reverse side top panel N N Y 4 oe Vg NN aon panel 230 Fastened by screws 2 7 32 Same on the reverse side 15 11 32 _ Fastened by screws at 2 locations A N lt 6l 24 3 16 28 3 16 25 13 32 3 32 11 15 16 to Air discharge l Air Intake 5 1 Hole for anchor bolt 4
87. mly cooled High on a wall is best select a location that will hold the weight of the unit select a location where tubing and drain hose have the shortest run to the outside Fig 1 stricted air flow around the unit Fig 2 install the unit within the maximum elevation difference H above or below the outdoor unit and within the maximum tub ing length L from the outdoor unit as detailed in Table 3 and Fig 3a install the indoor unit more than 3 3 1 m away from any antenna or power lines or connecting wires used for television radio telephone security system or intercom Electrical noise allow room for operation and maintenance as well as unre Tubing length L INDOOR UNIT Elevation difference H o _ Fig CAUTION For stable operation of the air conditioner do not install wall mounted type indoor units less than 5 1 5 m from floor level Indoor unit Wall VA NE AM Minimum height from floor level 5 1 5 m VETSTE Floor level from any of these sources may affect operation Fia 3b ig Table 3 Charge less Tubing Maximum Tubing Required Amount Model Length Actual Length Length L maximum Ao a of Additional Refrigerant ft ft l oz ft If the outdoor unit is higher 100 por NA 10 to 100 164 0 43 CS KS36NKU If the outdoor unit is lower 50 If total tubing length
88. mote controller or the operation button on the indoor unit Perform the self diagnosis five seconds after the operation start Alarm Code E05 Defect in the inter unit What is the latest self diagnosis result cable Alarm Code E07 P04 P05 P20 P27 Defect in the indoor unit P C board 42 8 4 Trouble Diagnosis of Fan Motor 8 4 1 Indoor Fan Motor e This indoor DC fan motor contains an internal control PCB Therefore it is not possible to measure the coil resistance and the following procedure should be used to check the motor e To perform diagnosis operate the unit in cooling mode with indoor fan speed High Next make sure that the indoor unit receive the signals from the remote controller when the ON OFF operation button is pressed Important A Turn OFF the power before connecting or disconnecting the motor connectors B When performing voltage measurement at the indoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 1 minute after operation is started For this reason to measure the voltage again turn OFF the unit once using the remote controller and then start the air conditioner again Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and
89. n Model to potentially dangerous conditions to users service and serial numbers are on the nameplate on the bottom of personnel or the appliance the cabinet IS symboli refers to nazara or Model No _ B Ax practice which can result in severe personal injury or death Serial This symbol refers to a hazard or unsafe Date of purchase 1 1 N CAUTION practice which can result in personal Dealers address injury or product or property damage Phone number INSTALLATION LOCATION e We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit e Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate Ax e Do not install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse e Do not install the air conditioner where excessively high heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa ELECTRICAL REQUIREMENTS 1 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details 2 Each unit must be properly grounded wit
90. n The battery can cause death by suffocation if swallowed When inserting the battery make sure the polarities and are correct To prevent possible hazards from insulation failure the unit must be grounded Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Refrigerant gas leakage may cause fire For safety be sure to turn the air conditioner off and a also to disconnect the power before cleaning IE Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency Do not turn the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed AN Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured EN Keep the fire alarm and the air outlet at least 1 5m away from the unit Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present Do not sit or step on the unit You may fall down K accidentally Do not stick any object into the FAN CASE You may be i
91. nce DC motor connector pin arrangement Pin 1 Vcc brown Pin 2 PG white Pin 3 Vsp orange Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the outdoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller n Pin 1 Vm red FM1 Pin 2 Not used Pin 3 Gnd blue FM2 ite Trouble symptom 4 Fan motor rotation speed does not change during outdoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during outdoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is outdoor unit controller trouble or motor trouble Therefore first replace the outdoor unit controller then if necessary replace the DC motor 44 8 5 Noise Malfunction and Electromagnetic Interference An inverter A C operates using pulse signal control and high frequencies Therefore it is susceptible to the effects of external noise and is likely to cause electromagnetic interference with nearby wireless devices A noise filter is installed for ordinary use preventing these problems However depending on the installation conditions these effects may still occur Please pay attention to the points listed below 1 Noise malfunction This refers to the application of high frequency noise to the signal wires resulting in abnormal signal puls
92. ng a screwdriver b For Outdoor Unit For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 15 16 25 mm Fig 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend the solid wire to form a loop suitable for the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 3 8 10 mm and tightly twist the wire ends Figs 30 and 31 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connector Fig 30 4 Place the ring connector wire and replace and tighten the removed terminal screw using a screw driver Fig 32 19 9 32 7 mm ACTUAL STRIP DZB i A Fig 28 Solid wire P Loop e co 5 a f Insulation Fig 29 m Stranded wire E 5 O 1 i connector A 2 Fig 30 Twist wire ends B Fig 31 Special washer P Screw ap Ds Screw and d N Ring connector special washer Wire Terminal plate m Ring E connector Wire
93. nitOutdoor Unit complete m Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Rating conditions Runningamp Power input 3 251 3 290 Rating conditions Indoor air temperature 80 F 26 7 C DB 67 F 19 4 C WB Outdoor air temperature 95 F 35 C DB 27 Indoor Unit CS KS36NKU Outdoor Unit CU KS36NKUA 1 Voltage 230V Cooling 230V Indoor UnitOutdoor Unit Comment Fan Motor Fan Motor Compressor P Performance at 230V Single phase 60Hz Rating conditions Running amp Power input 3 961 4 000 Rating conditions Indoor air temperature 80 F 26 7 C DB 67 F 19 4 C WB Outdoor air temperature 95 F 35 C DB 2 Voltage 208V Cooling lt 208V gt Indoor UnitOutdoor Unit complete Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Rating conditions Runningamp Power input 3 961 4 000 Rating conditions Indoor air temperature 80 F 26 7 C DB 67 F 19 4 C WB Outdoor air temperature 95 F 35 C DB 28 6 2 Electric Wiring Diagrams Indoor Unit CS KS3ONKU CS KS36NKU TERMINAL BASE TO OUTDOOR UNIT Do EVAPORATOR 1 6 8 9 on FLAP MOTOR S co GND 2P WHT IND LAMP ASSY f qx PL ELEC J B CONTROLLER En SW BLk BLK COIL THERMISTOR EESTE FAN MOTOR R
94. njured and the unit may be damaged e This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help FCC Caution To assure continued compliance follow the attached installation inst
95. o press the ACL reset button to return to normal mode The air conditioner will not operate if this is not done 36 Clock display gt Test run mode rt _ z Deletion of self diagnostics report mode Self diagnostics mode ON OFF operation button button FAN SPEED NIGHT SETBACK FLAP HIGH POWER TIMER OFF amp CANCEL CLOCK SENSOR CF TEJ UNOCCUPIED ADR ACL ACL Reset button 1 Self diagnostics Lamps INDOOR UNIT Y 1 OPERATION lamp 2 TIMER lamp OPERATION TIMER e 3 ON OFF Co Since the indications cover various units the corresponding parts listed below may not be present in some models INDICATION ON INDOOR UNIT OFF iK BLINKING T ON TIMER JOPERATION DIAGNOSIS CONTENTS POSSIBLE MALFUNCTION IX X sor ROOM TEMP SENSOR TROUBLE 1 OPEN OR SHORT CIRCUIT IN SENSOR UD HEAT EXCHANGER 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT S02 TERMINAL PRESS FIT LOCATION FOR HUMIDITY SENSOR Ee Eee THIS REPRESENTS SHORT CIRCUIT DETECTION ONLY HUMIDITY SENSOR TROUBLE 3 WD PCB FAILURE I D INDOOR x st e N CD QD O O A oo TH Co COMPRESSOR TEMP SENSOR TROUBLE 1 OPEN OR SHORT CIRCUIT IN SENSOR 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT O D HEAT EXCHANGER TEMP SENSOR TROUBLE TERMINAL PRESS FIT LOCATION 3 O D PCB FAILURE O D OUTDOOR TI e JI TI E sje sssp sss wes F09
96. ocedure below to perform diagnostics PROCEDURE After turning on power to the air conditioner use the remote controller and follow the steps below to execute self diagnostics Step 1 Press and hold the remote controller QUIET button and 1 HR TIMER button Then press and hold the ACL reset button with a pointed object such as the tip of a pen After 5 seconds release ACL button first then release QUIET and 1 HR TIMER buttons 1 test run appears blinking in the remote controller clock display area Step 2 Next press the 1 HR TIMER button twice to change the display from oP 1 to oP 2 and oP 3 self diagnostics The display continues to blink Step 3 Finally press the ON OFF button to engage self diagnostics mode The self diagnostics function utilizes the 3 indicator lamps on the main unit in combinations of ON lamps blinking lamps and OFF lamps to report the existence of sensor trouble or a protective operation The lamps blink or remain ON for 5 seconds then turn OFF for 2 seconds Self diagnostics is completed when the buzzer sounds 3 short beeps e A maximum of 3 self diagnostics reports are displayed for 5 seconds each beginning with the most recent report Following this display the lamps turn OFF In order to view the self diagnostics results again press the ON OFF button again e The 3 lamps remain OFF if no trouble has occurred lt IMPORTANT gt After self diagnostics is completed be sure t
97. oller CZ RD515U used with this air conditioner is also available If you wish to use the wired remote control function you will need to purchase both the optional wired remote controller and its connection kit CZ RC515UA 17 18 SPECIFICATIONS em Outdoor Unit ndoorUnt CU KS30NKUA CS KS30NKU Power Source Single phase 208 230 V 60 Hz Cooling Capacit 9 00 3 20 9 00 BTU h 30 600 10 900 30 600 Heating Capacity KW Cooling Outdoor H Ba 0 55 S 0 Operation Operation Indoor LZ 49 44 39 Sound Heating EX Operation Indoor H M L Unit Dimensions HxWxD h 35 6x37 1 32x13 3 8 11 EE 15 16x9 1 16 Indoor paa bd inch mm 910x940x340 300x1065x230 Net Weight lbs kg 183 0 83 0 32 0 14 5 Model No Indoor Unit CU KS36NKUA CS KS36NKU Power Source Single phase 208 230 V 60 Hz Cooling Capacity 10 00 3 20 10 00 BTU h 34 000 10 900 34 000 Heating Capacity KW ____ O BTUh Cooling 55 Operation Operation Indoor H M L prosint 49 44 39 Heating ME Operation Indoor H M L Unit Dimensions HxWxD hl 35 1 32x13 3 8 11 15 16x9 1 16 Indoor paren U Sn inch mm 910x940x340 300x1065x230 Net Weight Ibs kg 183 0 83 0 32 0 14 5 APPENDIX B INSTALLATION INSTRUCTIONS CS KS3ONKU CU KS3ONKUA CS KS36NKU CU KS36NKUA 852 6
98. oner ln will not operate correctiv if this is not done NN Se lt gt OPERATION TIMER 6 ON OFF Fig 59c 28 Basic Functions of the Service Valves The basic functions of the service valves are given in Table 8 below Table 8 Action Narrow Tube Service Wide Tube Service Valve 2 Way Valve 3 Way CLOSED O ring 1 Valve cap j Stem Shipping OD Es 7771 qe Fully OPEN 1 APS Operating and test running the air conditioner 1 assed VZZZZA eze ES Fully OPEN Measuring pressure and gas charging U CLOSED Air purging with a vacuum pump E ae vs 7777 The service port on the wide tube ser vice valve uses a Schrader core valve to access the refrigerant system Therefore be sure to use a hose con nector which has a push pin inside Fig 60a CAUTION When opening or clos ing the service valve Close Open stem use the hex Hex wrench Be sure to fully vienen seat the wrench before Fig 60b turning the valve Pump Down Pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing any of the gas Pump down is used when the unit is to be moved or before servicing the refrigerant circuit Pump Down Procedure Be sure to carry out pump down with
99. onnect the cable from the terminal 3 on the indoor unit terminal strip Fig 2 3 Turn ON the power Yes A B Continued to the next page A Continued to the next page B 40 Continued from the previous page A Continued from the previous page B Is the voltage of about DC22V to 24V given between the terminals 2 and 3 on the indoor unit terminal strip Serial Communication Line Yes Defect or connection error Defect in the indoor unit in the inter unit cable P C board Outdoor Unit Turn OFF the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Short circuit between the terminals 2 and 3 on the outdoor unit terminal strip Fig 3 Indoor Unit Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit Fig 3 Perform the self diagnosis five seconds after the operation start Alarm Code E07 P04 P05 P20 P27 Defect in the outdoor unit di I 2 What is the latest self diagnosis result P C board Alarm Code E05 Outdoor Unit Outdoor Unit Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Remove the short circuit between the terminals 2 and 3 on the outdoor unit terminal strip Disconnect the cable from the terminal 3 on the indoor unit terminal strip Fig 4 Indoor Unit Indoor Unit
100. ontains the compressor fan Condensing motor heat exchanger coil and other electrical Unit components REMOTE CONTROLLER DISPLAY Displayed when transmitting data pleprayeo WEN Stung temperature Displayed when indoor unit sensor is in use Displayed when temperature is shown Displayed when setting timer EG Symbols 1 Operation mode 4 Timer 24 hour clock with ON OFF 4 0 Y MILD DRY program Timer BOO ON FAN ann OFFS thor OFF Tek 5 NIGHT 5 2 Fan speed Automatic operation EO i EE EA Flap angle indication 3 Temperature setting 60 86 F When set to 80 F temperature indication Sweep indication 8 High power 9 UNOCCUPIED 10 Quiet operation REMOTE CONTROLLER Transmitter When you press the buttons on the remote controller the mark appears in the display to transmit the setting changes to the receiver in the air conditioner Display Information on the operating conditions is displayed while the remote controller is switched on If the unit is turned off setting and FAN SPEED setting are not displayed QUIET button 7 5 ead When you press this button the fan rotates slower than the fan speed QUIET rm rm F sett
101. or units are installed near each other The address is normally set to A To set a different address it is necessary to change the address on the second remote controller Once changed you cannot restore the original address setting of the air conditioner 1 Switch on the power source 2 Break the address setting tab marked on the second remote controller to change the address Fig 62 When the tab is removed the address is automatically set to B Fig 63 3 Press and hold the remote controller QUIET button and 1HR TIMER button Then press and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 seconds release the ACL button first then release the QUIET and 1HR TIMER buttons oP 1 Test Run appears blinking in the remote controller clock display area Each time the 1HR TIMER button is pressed the display changes as shown below Press this button 3 times to change the display to oP 7 Address setting Fig 64 B ar 4 Test run mode A Selfdiagnostic mode Address setting mode b oP 7 has now been selected for address setting 6 Press the ON OFF operation button on the remote controller Fig 64 Check that the beep signal received sound is heard from the second indoor unit approximately 5 times The sound you hear is the signal that the remote controller address has been changed 7 Finally press the remote controll
102. ossible to measure the coil resistance and the following procedure should be used to check the motor Perform the trouble diagnosis by Test Run mode described on Installation Instructions of indoor unit Important A Turn OFF the power before connecting or disconnecting the motor connectors B When performing voltage measurement at the outdoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 10 seconds after operation is started For this reason to measure the voltage again first turn OFF the outdoor unit power then measure the voltage in Test Run mode Trouble symptom 1 The fan does not stop when the outdoor unit stops 2 Outdoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the outdoor unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the outdoor unit controller 3 locations Measurement location 1 Vm Gnd Between pin 1 and pin 3 of FM1 DC 280V 10 E Vm 2 Vcc Gnd Between pin 1 of FM2 and pin3 of FM1 DC 15V 10 3 Vs Gnd Between pin 3 of FM2 and pin3 of FM1 Fluctuation between DC 1 8V to 5 7V Diagnostic results All of the above measured values are normal Fan motor trouble Replace the motor Any one of the above measured values is not normal Outdoor unit controller trouble Replace the controller Refere
103. our hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER A Sweep function The flap starts moving up and down to deliver air over the sweep range 6 SWEEP q Referring to the above COOL 3 B Setting the airflow manually illustration use the DRY 2 FLAP button to set the FAN airflow direction within the range used during cooling or dehumidifying operation C Auto flap function The flap is set AY to the VV recommended position NOTE e The flap automatically closes when the unit is off AN caution e Use the FLAP button on the remote controller to adjust the position of the flap If you move the flap by hand the flap position according to the remote controller and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again e Do not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down OPERATION WITHOUT THE REMOTE CONTROLLER INDOOR UNIT OPERATION lamp OPERATION TIMER 6 gt ON OFF l OPERATION button ON OFF If vou have lost the remote controller or it has troub
104. ow prevention Vacuum pump Fig 57 To prevent other refrigerants from being mistakenly charged to units which use R410A the size of the charge port on the service valve is different from the one for other refrigerant types For servicing such as recharging the specified charging hose manifold and vacuum pump adapter with reverse flow prevention for R410A must be used The required time in Table 7 is calculated based on the assumption that the ideal or target vacuum condition is around 10 mmHg abs 5 With the vacuum pump still running close the Lo knob of the manifold valve Then stop the vacuum pump 6 With the hex wrench turn the valve stem on the nar row tube service valve counter clockwise by 90 degrees 1 4 turn for 10 seconds and then turn the stem clockwise to close it again Fig 58 CAUTION Be sure to completely insert the hex wrench before attempting to turn the valve 7 Leak test all joints at the tubing both indoor and out doors with soapy water Bubbles indicate a leak Tight en the joint more when leaks then check if there is no leak Be sure to wipe off the soap with a clean cloth 8 With the hex wrench turn the wide tube service valve stem counter clockwise to fully open the valve 9 Turn the narrow tube service valve stem counter clockwise to fully open the valve 10 Loosen the vacuum hose connected to the wide tube service port slightly to release the p
105. p differ in form Fig 17c 6 Insert the top of the anti mold filter and then secure the bottom of the filter with the protrusions on the unit 7 When closing the front panel push the central part of the front panel first and then press the bottom right and left corners in place until vou feel a click Fig 19 Check that no gap exists between the frame and the grille Front panel Arm Anti mold filter Protrusions Fig 16 Grille Screw on the cover Screw on the front SS a 27 Screw on the bottom pet SN Screw Screw cover Bottom surface Fig 17a Grille Upper flap AL J Lower flap Fig 17b N 2 i Fig 17c Lower flap dv E Indentation N rm Spin 3 5 Shape the Indoor Side Tubing 1 Arrangement of tubing by direction a Right or left tubing Cut out the corner of the right left frame with a hacksaw or the like Figs 20 and 21 b Right rear or left rear tubing In this case the corner of the frame need not be Cut 2 To mount the indoor unit on the rear panel Hang the 3 mounting slots of the unit on the upper tabs of the rear panel Fig 22 3 6 Wiring Instructions General precautions on wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring di
106. pressure will become extremely high in the refrigerating cycle Prohibit which may cause a unit breakdown When the welded section of the compressor intake or discharge pipe is to be disconnected perform it in a well ventilated place after sufficiently recovering the refrigerant gas Any residue gas may jet out refrigerant or refrigerating machine oil which may cause an injury When the work is to be performed in a high place About 2 meters or more make sure to wear a safety helmet gloves and safety belt Insufficient safety gear may cause a serious injury in case of a fall When the unit is to be relocated confirm that the new installation location has sufficient strength for the weight of the unit Insufficient strength of the installation location and incomplete installation work may cause an injury due to the unit falling When the remote controller batteries are replaced dispose of the old batteries out of the reach of children If a child swallows a battery make sure that the child gets immediate medical attention Do not wash the air conditioner with water as this may cause an electric shock or fire S Prohibit For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do so may cause an electric shock Confirm that the component attachment position wiring condition soldering condition and connector connection are normal If not it may cause overheating or fire Confirm t
107. ractice which can result in personal injury or prod CAUTION uct or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improp er installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring 09090909009909900009090090009009900909090009009900000990900090090000900900000909000009099000900090900900090900090909000009000009000000909090009090000009 ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard To prevent possible hazards from insulation failure Qo the unit must be grounded
108. re to temporarily cover the ends of the tubing with caps or tape prior to installation Never use 0 0276 0 7 mm thick copper tubing or tubing which is less than 0 0315 0 8 mm in thickness since air conditioners with R410A are subject to higher pressure than those using R22 and R407C e No addition of compressor oil for R410A No additional charge of compressor oil is permitted e No use of refrigerant other than R410A Never use a refrigerant other than R410A e If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work e Caution in case of R410A leak Check for possible leak points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation 49 10 3 Tools Specifically for R410A e For servicing use the following tools for R410A Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Tools specifically for R410A Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended e Vacuum pump 2 can be used if the following adapter is attached e Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a convention
109. ressure Then remove the hose CAUTION This may cause the refriger ant gas to leak In order to avoid this take off the hose quickly 11 Fasten the valve cap on the wide tube service port securely with an adjustable wrench or box wrench Next mount the valve cap on the service valve and tighten it to 170 Ibs in 200 kgf cm with a torque wrench This process is very important to prevent gas from leaking from the system 12 Test run the air conditioner See next page 13 While the air conditioner is running apply liquid soap to check for any gas leaks around the service valves or caps 14 If there is no leakage stop the air conditioner 15 Wipe off the soap on the tubing This completes air purging with a vacuum pump and the air conditioner is ready for actual operation 27 90 1 4 turn Vacuum hose to manifold valve Hex wrench Q IW Valve cap Narrow tube Va Wide tube Fig 58 How to Test Run the Air Conditioner After turning on the power of the air conditioner use the remote controller and follow the steps below to conduct the test run OO 1 Set the remote controller in Test Run mode Fig 59 asr e a Press and hold the QUIET button and the 1HR ON gt OFFS TIMER button pu EE ER os b Then press and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 sec ON OFF operation onds release
110. room temperature In these cases the temperature around the remote controller may differ from the temperature detected at the air conditioner s position e The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittentiv during cooling operation in order to control air flow USING THE REMOTE CONTROLLER HOW TO INSTALL BATTERIES FLAP HIGH POWER TIMER v v lt CANCEL CLOCK O SENSOR TE UNOCCUPIED ADR ACL FETA A pev ACL button 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Use a thin object such as the tip of a pen to press the ACL button The batteries last about six months depending on how much you use the remote controller Replace the batteries when the remote controller s display fails to light or when the remote controller cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the sub section HOW TO INSTALL BATTERIES If you do not use the remote controller more than 1 month take out the batteries Dispose of the used batteries at the
111. ructions Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment NAMES OF PARTS UNIT DISPLAY AND OPERATION BUTTON Air Intakes INDOOR UNIT np INDOOR UNIT OPERATION lamp TIMER lamp EN REMOTE CONTROL E receiver Air Outlet Remote Controller Drain Hose f 00 OPERATION button ON OFF OUTDOOR UNIT N IMPORTANT Avoid using radio equipment such as mobile phone near within 4 ft 1 2 m the remote control receiver Some radio equipment mav cause malfunction of the unit If the trouble happens disconnect power and restart the air conditioner after a few minutes REMOTE This section pic
112. rvice Sub Main Wide tube valve Accumulator Accumulator gt Muffler O D 5 8 15 88 mm High pressure Heat exchanger NEN Electric tube expansion valve service Narrow tube valve Heat exchanger Cooling cycle 18 5 PERFORMANCE DATA 5 1 Temperature Charts Indoor Unit CS KS3ONKU Outdoor Unit CU KS3ONKUA Cooling Characteristics RH 46 Indoor fan speed High fan 60Hz 230V 1 Low pressure performance chart I 0 i 20 1 15 10 5 0 5 0 5 20 25 80 85 40 Outdoor inlet air DB temp F C psig MPaG Low pressure at wide tube service valve 2 Operating current performance chart 28 9 20 5 1 48 2 ELLE EEE S 16 2 14 5 20 1 15 10 5 0 5 0 5 20 25 30 35 40 Outdoor inlet air DB temp F C 3 Indoor discharge air performance chart 64 4 18 60 8 16 57 2 14 50 0 10 LLL p ATL Ts AT EEE EE eere 42 8 6 Indoor discharge air temperature F C 7 20 1 15 1 0 5 5 0 5 20 25 30 85 40 Outdoor inlet air DB temp F C e Check each performance value in test run mode Electrical performance values represent a combined indoor outdoor value 19 Indoor Unit CS KS36NKU Out
113. s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation CAUTION Never charge a large amount of liquid refrigerant at once to the unit This may cause damage to the compressor When charging with a refrigerant cylinder use an electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Also charge the minimum necessary amount to the charging cylinder before using it to charge the air conditioning unit Example In case of charging refrigerant to a unit requiring 1 68 Ib 0 76 Kg using a capacity of a 22 Ib 10 Kg cylinder the minimum necessary amount for the cylinder is 1 68 22 x 0 20 6 08 Ib 0 76 10 x 0 20 2 76 Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand CAUTION 9 To prevent the composition of R410A from changing never bleed the refrigerant gas into the atmosphere while transferring the refrigerant Fig 3 Do not use the refrigerant if the amount in
114. se to this circle a prohibited item is described This symbol indicates the items requiring special attention or instruction In or close to this circle a prohibited item is described e After doing repair work perform a test run to confirm that there are no abnormalities At the same time explain the precautions in use to the user N Warning Before performing an overhaul disconnect the power plug or power cable from the unit Performing the work with the power supplied to the unit may cause an electric shock When repair work or circuit inspection that requires power supply for the air conditioner is to be performed do not touch the charging section Doing so may cause an electric shock For the step up capacitor attached to the electric section perform the repair work after sufficiently discharging it Insufficient capacitor discharge may cause an electric shock Do not perform repair work on the electric sections with wet hands Doing so may cause an electric shock Do not start or stop the air conditioner by means of connecting or disconnecting the power plug Doing so may cause an electric shock or fire When conducting repair work only use components included in the parts list for the corresponding unit and perform the work with the appropriate tools Incorrect or poor repair work may cause an electric shock or fire Never modify the unit Doing so may cause an electric shock or fire Perform all electric work accor
115. stem before 9 Hammer beginning 10 Drill 11 Tube cutter 1 1 Tools Required for Installation not supplied 12 Tube flaring tool 1 Standard screwdriver 13 Torque wrench 2 Phillips head screwdriver 14 Adjustable wrench 3 Knife or wire stripper 15 Reamer for deburring 4 Tape measure 5 Carpenter s level 1 2 Accessories Supplied with Unit ue 1 Pats Figure Parts Parts Figure Remote Z 222 Nn head controller Z fel Tapping screw Phillips Rawl plug 5 32 x 13 16 4x20 mm Drain hose adapter Remote control be el T en head holder fe ij pping illips 5 32 x 13 32 4x10 mm AAA alkaline Flare insulation L batterv 1 3 Optional Copper Tubing Kit 2 Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 5 16 8 mm Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your nearest sales outlet or air conditioning workshop 3 Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 3 6 1 4 Type of Copper Tube and Insulation Material Wiring Instructions for details If you wish to purchase these materials separatelv from a local source vou will need CAUTION Check local electrical codes 1 Deoxidized annealed copper
116. sture Removal High Pints h 9 57 Available Voltage Range V 187 to 253 Running Amperes A 18 0 5 0to 18 0 Power Input W 3 290 1 000 to 3 290 e Power Factor 2 EER BTU h W Compressor Locked Rotor Amperes A Airflow Direction Indoor Horizontal Vertical R410A 6 5 2 950 Operation Sound Indoor Hi Me Lo Qt dB A 49 44 39 32 Qt Quiet mode Outdoor Hi dB A 55 Refrigerant Tubing Connections Refrigerant Narrow tube inch mm 3 8 9 52 Tube Diameter Wide tube inch mm Unit Dimensions inch 11 13 16 x 41 15 16 x 9 1 16 35 13 16 x 37 1 32 x 13 3 8 Height x Width x Depth mm 300 x 1 065 x 230 910 x 940 x 340 Package Dimensions inch 12 7 32 x 44 7 8 x 14 31 32 42 3 8 x 40 x 16 3 8 Height Width x Depth mm 310 x 1 140 x 380 1 076 x 1 016 x 416 2 Weight Net lbs kg E Shipping lbs kg 4 59 0 13 15 88 0 45 x gt QD 00 ITI O E O O I gt Z G ITI I O c ur Z O 1 O Remarks Rating conditions are Cooling Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 95 F DB 75 F WB Indoor Unit CS KS36NKU Outdoor Unit CU KS36NKUA lt 230V gt Total Capacity BTU h 34 000 10 900 to 34 000 kW 10 0 3 2to 10 0 E Sensible Capacity BTU h Air Circulation Hi Me Lo ft min 630 1 070 530 901 412 700 Moisture Removal High Pints h 10 64 Available Vol
117. t with the HIGH POWER button on the remote controller lt can be set regardless of the temperature and fan speed settings e HIGH POWER operation from remote controller The unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Frequency 30 min 5 min V Start End NOTE e When HIGH POWER operation ends the unit operates at low Hz for 5 minutes regardless of the thermostat OFF conditions e When in DRY mode operation is in the cooling zone Lamp colors OPERATION lamp DRY operation COOL operation FAN operation TIMER lamp Timer backup Operation stops if there are no operator controls for 25 hours or longer after unit operation switched from OFF to ON by use of ON timer operation 32 NIGHT SETBACK e When NIGHT SETBACK operation is set the temperature and fan speed settings will be adjusted automatically to allow comfortable sleep e When NIGHT SETBACK operation is set mark appears on the remote controller The main unit display lamp also becomes dimmer e COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy wi
118. tage Range V 187 to 253 Running Amperes A 20 0 5 0 to 20 0 Power Input W 4 000 1 000 to 4 000 e Power Factor 2 EER BTU h W Compressor Locked Rotor Amperes A Airflow Direction Indoor Horizontal Vertical R410A 6 5 2 950 Operation Sound Indoor Hi Me Lo Qt dB A 49 44 39 32 Qt Quiet mode Outdoor Hi dB A 55 Refrigerant Tubing Connections Refrigerant Narrow tube inch mm 3 8 9 52 Tube Diameter Wide tube inch mm Unit Dimensions inch 11 13 16 x 41 15 16 x 9 1 16 35 13 16 x 37 1 32 x 13 3 8 Height x Width x Depth mm 300 x 1 065 x 230 910 x 940 x 340 Package Dimensions inch 12 7 32 x 44 7 8 x 14 31 32 42 3 8 x 40 x 16 3 8 Height Width x Depth mm 310 x 1 140 x 380 1 076 x 1 016 x 416 2 Weight Net lbs kg E Shipping lbs kg 4 59 0 13 15 88 0 45 x gt QD 00 ITI O E O O I gt Z G ITI I O c ur Z O 1 O Remarks Rating conditions are Cooling Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 95 F DB 75 F WB Indoor Unit CS KS36NKU Outdoor Unit CU KS36NKUA lt 208V gt Total Capacity BTU h 34 000 10 900 to 34 000 kW 10 0 3 2to 10 0 E Sensible Capacity BTU h Air Circulation Hi Me Lo ft min 630 1 070 530 901 412 700 Moisture Removal High Pints h 10 64 Available Voltage Range V 187 to 253 Running Amperes A 21
119. the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote controller is located near a heat source such as a space heater or in direct sunlight press the SENSOR button to switch to the sensor on the indoor unit ADDRESS switch Temperature display selector button The address switch changes to prevent mixing of signals from remote controller s when two air This switches the temperature display conditioners are installed next to each other Normally the address switch is set to A For more between C and F information please contact the dealer where you made the purchase e Normally the tabs on the remote controller should not be bent Sensor A temperature sensor inside the remote controller senses the room temperature ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Temperature setting buttons TEMP Press the LA button to increase the set temperature Press the Cv button to reduce the set temperature The temperature setting changes by 1 C or 2 F each time one of the TEMP buttons is pressed MODE selector button Use this button to select DRY COOL or FAN mode DRY The air conditioner reduces the humidity in the room COOL amp Th
120. the ACL button first QUIET iii butt c Then release the QUIET and 1HR TIMER buttons d T d appears and oP 1 blinks in the remote controller E clock display area Fig 59b nd 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller Fig 59a FAN SPEED NIGHT SETBACK This the fan producing uncooled forced air with FLAP HIGH POWER the 3 indicator lamps OPERATION lamp TIMER TIMER EO lamp and g on the main unit blinking Fig 59c Se After 3 minutes the system shifts into cooling opera tion and cool air will start to be felt Cooling mode test xis run is unaffected by the room temperature Ozon O C ACL 3 Press the ON OFF operation button of the remote con troller again to stop the test run Fig 59 4 Finally press the ACL Reset button of the remote con troller to release it from Test Run mode to return to nor mal mode Fig 59a c amp and oP 1 will disappear from the remote con troller clock display area Troubleshooting In the event that the green OPERATION lamp is blinking upon powering up the system an error condition exists In this case refer to the self diagnostics procedure on the inside of the front cover Fig 59b OPERATION lamp IMPORTANT TIMER lamp After the test run is completed be sure to press the ACL Reset button to return to normal mode The air conditi
121. the insulation resistance Insulation Figs 3 and 4 Fig 3 NOTE From fan motor compressor and other parts Refer to Electric Wiring Diagram If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin Metallic part Clip Insulation Fig 4 tester 46 9 2 Checking Continuity of Fuse on PCB Ass y dk e Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 e Check for continuity using a multimeter as shown in PCB Ass y Fig 6 ig 6 5 Fig 5 Fuse Fig 6 47 10 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10 1 Characteristics of New Refrigerant R410A 10 1 1 What is New Refrigerant R410A R410A is a new refrigerant that contains two types of pseudo non azeotropic refrigerant mixture Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 10 1 2 Components mixing proportions HFC32 50 HFC125 50 10 1 3 Characteristics 9 Less toxic more chemically stable refrigerant The composition of refrigerant R410A changes whether it is in a gaseous phase or liquid phase Thus when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with t
122. the valve caps from the service valve on both nar row and wide tubes 3 Connect a vacuum pump and a manifold valve with pressure gauges to the service port on the wide tube service valve Fig 57 CAUTION The service port on the wide tube service valve uses a Schrader core valve to access the refrigerant sys tem The valve core is similar to those used in automobile tires Therefore be sure to use a vacuum hose connector which has a push pin inside CAUTION Be sure to use a manifold valve for air purging If it is not avail able use a stop valve field sup ply for this purpose The Hi knob of the manifold valve must always be kept closed 4 With the Lo knob of the manifold valve open run the vacuum pump The operation time for the vacu um pump varies with tubing length and the capacity of the pump The following table shows the amount of time for evacuation Table 7 Required time for evacuation when 100 liter h vacuum pump is used If tubing length is If tubing length is less than 33 ft 10 m more than 33 ft 10 m 10 min or more 15 min or more 26 Indoor unit EN Outdoor unit EX be gt LSP Manifold valve gt Exclusively for R410A Doo 5595 SORTS ess 88 gauge Charging hose Exclusively for R410A Vacuum pump adapter Exclusively for R410A bi ammo with reverse fl
123. thout sacrificing comfort This function is convenient when gentle cooling is needed 2 1 Setting temperature 2 F 1 ol IE was Press the NIGHT 30 min 30 min Time SETBACK button Noise Reducing Control Outdoor Unit The noise reducing control is the function used for silent operation of the air conditioner by means of setting the dip switch on the outdoor unit P C Board to control the fan and compressor s motor speed When this function is used the cooling ability is slightly degraded Therefore when this function is to be enabled make sure to receive the approval of the client lt Operation Sound gt Specifications Noise Reducing Control Fan s motor speed 500rpm 99 dB A 47 dB A In Cooling Operation Outdoor Air Temp F C Normal Operation 91 33 A Normal Operation or Noise Reducing Operation is kept Initial setting is the normal operation 82 28 Noise Reducing Operation 1 In the test operation high power operation defrost operation or low ambient cooling operation to be cancelled at the outside temperature of 57 F 14 C or less or 63 F 17 C or more the noise reducing control is not available 2 In the noise reducing operation the fan s maximum motor speed is limited to 500rpm Also the maximum frequency Hz is controlled in the cooling 30Hz or heating operation 30Hz Switching Procedure to Noise Reducing Control 1 Remove the 3 screws
124. tube for refrigerant tub and Regulations before ing as detailed in Table 2 obtaining wire Also check Cut each tube to the appropriate lengths 1 to 1 4 any specified instructions or limitations 30 cm to 40 cm to dampen vibration between units Table 2 Narrow Tube Wide Tube Model Outer Dia Thickness Outer Dia Thickness CS KS3ONKU 3 8 9 52 0 0314 0 8 mm 5 8 15 88 mm 0 0393 1 0 mm CS KS36NKU 3 8 9 52 0 0314 0 8mm 5 8 15 88 mm 0 0393 1 0 mm 1 5 Additional Materials Required for Installation Indoor unit 7 i Drain hose Outside drainage Fig 1 2 2 5 cm min 3 7 5 cm min 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty 4 Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing 2 Installation Site Selection Indoor Unit NEmma To prevent abnormal heat genera tion and the possibility of fire do not place obstacles enclosures and grilles in front of or surround ing the air conditioner in a way that may block air flow AVOID e direct sunlight e nearby heat sources that may affect performance of the unit Front View Fig 2 e areas where leakage of flammable gas may be expected e places where large amounts of oil mist exist DO e select an appropriate position from which every corner of the room can be unifor
125. utton and select the desired mode For dehumidifying operation For cooling operation For fan only operation STEP2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature STEP 1 Adjustable temperature range 86 F max 60 F min 30 C max or 16 C min STEP4 Set the FAN SPEED selector button to the setting you want Press the FLAP button and set the airflow direction as desired Refer to ADJUSTING THE AIRFLOW DIRECTION on page 14 To stop the air conditioner press the ON OFF operation button again NOTE e Choose the best position in the room for the remote controller which also acts as the sensor for room comfort and transmits the operating instructions Once you ve found this best position always keep the remote controller there This appliance has a built in 5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop 2 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the D 8 position This automatically sets the best fan speed for the room temperature B Manual fan speed If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired 5

Service Manual - Stamberger

Contents

Download Pdf Manuals

Related Search

Related Contents