Panasonic CS-MKS7NKU Technical & Service Manual Download

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CU-3KS19NBU (3-room multi unit)
CU-4KS24NBU (4-room multi unit)
CU-4KS31NBU (4-room multi unit)

< Applicable Multi-Outdoor Units >

INDOOR UNIT : CS-MKS7NKU

CS-MKS9NKU
CS-MKS12NKU
CS-MKS18NKU
CS-MKS24NKU

DC INVERTER MULTI-SYSTEM AIR CONDITIONER

Wall Mounted Type Indoor Unit

CS-MKS7NKU
CS-MKS9NKU
CS-MKS12NKU

CS-MKS18NKU
CS-MKS24NKU

REFERENCE NO.

700873

Product Code No.

1 852 360 94

1 852 360 95

1 852 360 96

1 852 360 97

1 852 360 98

Capacity

7,500BTU / h

9,000BTU / h

11,900BTU / h

17,500BTU / h

24,200BTU / h

Indoor Model No.

CS-MKS7NKU

CS-MKS9NKU

CS-MKS12NKU

CS-MKS18NKU

CS-MKS24NKU

AIR CONDITIONER

IMPORTANT

These air conditioners employ new
refrigerant R410A.

Pay special attention when
servicing the unit.

TECHNICAL & SERVICE MANUAL

Summary of Contents for CS-MKS7NKU

Page 1: ...MKS7NKU CS MKS9NKU CS MKS12NKU CS MKS18NKU CS MKS24NKU REFERENCE NO SM700873 Product Code No 1 852 360 94 1 852 360 95 1 852 360 96 1 852 360 97 1 852 360 98 Capacity 7 500BTU h 9 000BTU h 11 900BTU...

Page 2: ...ction 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...

Page 3: ...n Caution Do not wash the air conditioner with water as this may cause an electric shock or fire For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do...

Page 4: ...ELECTRICAL DATA 6 1 Electric Wiring Diagrams 7 FUNCTIONS 7 1 Operation Functions 7 2 Protective Functions 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or R...

Page 5: ...TDOOR UNITS CS MKS7NKU CS MKS9NKU CS MKS12NKU CS MKS18NKU CS MKS24NKU 3 Room CU 3KS19NBU YES YES YES YES NO 4 Room CU 4KS24NBU YES YES YES YES YES 4 Room CU 4KS31NBU YES YES YES YES YES Indoor Unit Mu...

Page 6: ...NGE Combination with cooling outdoor unit CU 3KS19NBU CU 4KS24NBU or CU 4KS31NBU 95 F DB 71 F WB 67 F DB 57 F WB Maximum Minimum 115 F DB 14 F DB Temperature Indoor Air Intake Temp Outdoor Air Intake...

Page 7: ...Rating Air Circulation Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 356...

Page 8: ...on Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 9 0 11 0 0 08 825 189 I...

Page 9: ...n Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 9 0 11 0 0 08 825 189 In...

Page 10: ...n Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 9 0 11 0 0 08 825 189 In...

Page 11: ...on Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 9 0 11 0 0 08 825 189 I...

Page 12: ...on Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 9 0 11 0 0 08 825 189 I...

Page 13: ...n Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 385 12 0 15 0 0 13 1 065...

Page 14: ...n Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 12 0 15 0 1 065 Indoor U...

Page 15: ...Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 12 0 15 0 1 065 Indoor Un...

Page 16: ...Hi Me Lo Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 12 0 15 0 1 065 Indoor Un...

Page 17: ...nger Coil ft2 m2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CU MKS7NKU 1 D3 5 8 L24 31 32 D92 L634 Cross...

Page 18: ...CT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CU MKS9NKU 1 D3 5 8 L24 31 32 D92 L634 Cross Flow DC Motor SIC 41CVJ D8...

Page 19: ...CT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CU MKS12NKU 1 D3 5 8 L24 31 32 D92 L634 Cross Flow DC Motor SIC 41CVJ D...

Page 20: ...ECT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CU MKS18NKU 1 D3 5 8 L33 9 32 D92 L845 Cross Flow DC Motor SIC 41CVJ D...

Page 21: ...ECT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CU MKS24NKU 1 D3 5 8 L33 9 32 D92 L845 Cross Flow DC Motor SIC 41CVJ D...

Page 22: ...KS7NKU CS MKS9NKU CS MKS12NKU CS MKS18NKU CS MKS24NKU Indoor heat exchanger sensor PTM D51H S3 TH1 Model No of sensor Sensor Name 1 1 1 Quantity of Sensor 0 0 PTM D51H S3 2 TH1 0 0 0 1 1 0 32 50 68 86...

Page 23: ...3 DIMENSIONAL DATA Indoor Unit CS MKS7NKU CS MKS9NKU CS MKS12NKU Unit inch mm 852 0 0010 215 00 0 23...

Page 24: ...Unit inch mm Indoor Unit CS MKS18NKU CS MKS24NKU CS MKS18NKU CS MKS24NKU 852 0 0010 216 00 0 24...

Page 25: ...4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit CS MKS7NKU CS MKS9NKU CS MKS12NKU Indoor Unit CS MKS18NKU Indoor Unit CS MKS24NKU Indoor heat exchanger Cooling cycle Indoor unit In...

Page 26: ...ec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts Indoor Uni...

Page 27: ...sec Vertical distance ft Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Indoor Unit CS MKS9NKU Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 0 5 10 15 0...

Page 28: ...sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Indoor Unit CS MKS12NKU Horizontal distance ft 0 5 10 15 0...

Page 29: ...sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Indoor Unit CS MKS18NKU Horizontal distance ft 0 5 10 15 0...

Page 30: ...sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Indoor Unit CS MKS24NKU Horizontal distance ft 0 5 10 15 0...

Page 31: ...10 1 2 3 4 5 4 5 6 7 6 7 8 8 10 LAMP 10P WHT ROOM COIL 4P WHT FLAP 5P WHT 1 2 3 4 1 2 3 4 RED WHT 9 9 9 9 FLAP MOTOR CONNECTOR EVAPORATOR RED PNK BLU BRN YEL 1 5 6 1 5 4 4 6 DCM 6P BLU RED WHT YEL 3 3...

Page 32: ...C below the set temperature When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation DRY A DRY B Monitor Conditions are monitored at all times when t...

Page 33: ...y use of ON timer operation Frequency MAX 0 Start End Time 30 min 5 min Setting temperature Press the NIGHT SETBACK button When NIGHT SETBACK operation is set the temperature and fan speed settings wi...

Page 34: ...ited d 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 lo...

Page 35: ...the procedure below to perform detailed trouble diagnostics Step 1 Press and hold the remote controller QUIET button and 1 HR TIMER button At the same time press the ACL reset button Use a pointed obj...

Page 36: ...LY 3 I D PCB FAILURE I D INDOOR 1 OPEN OR SHORT CIRCUIT IN SENSOR 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL PRESS FIT LOCATION 3 O D PCB FAILURE O D OUTDOOR O D PCB FAILURE 1 MIS WIRING...

Page 37: ...function fails to operate Check the indoor unit Is the fuse blown Replace the controller Replace the circuit board or the fuse No indicators illuminate and the indoor fan does not rotate Check the pow...

Page 38: ...nt between inter unit wirings 1 and 2 Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the voltage at both ends is measured approximately 12 to 15V DC must be output and the multimet...

Page 39: ...considered An error in the inter unit wiring might be considered ex wire breaking or connection error etc Does the voltage between the terminals 1 and 2 on the indoor unit terminal board reach the rat...

Page 40: ...hen five minutes later perform the self diagnosis Condition E01 Condition E12 Condition E01 An error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in...

Page 41: ...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 t...

Page 42: ...the system less susceptible to noise Insulate for noise or distance from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator la...

Page 43: ......

Page 44: ...Operating Instructions CS MKS7NKU CS MKS9NKU CS MKS12NKU APPENDIX A 852 6 4181 214 00 2 A 1...

Page 45: ...poration 1006 Kadoma Kadoma City Osaka Japan 85264181214002 Indoor Units CS MKS7NKU CS MKS9NKU CS MKS12NKU Outdoor Units CU 3KS19NBU CU 4KS24NBU CU 4KS31NBU Operating Instructions Before operating the...

Page 46: ...sired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan speed setting to provide a quieter operating sound CONTENTS Page Page FEATURES 2 PRODUCT INFORM...

Page 47: ...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 ne...

Page 48: ...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 interferenc...

Page 49: ...ed air is blown out of the air conditioner through the air outlet Remote Controller The remote controller controls power ON OFF operation mode selection temperature fan speed timer setting and air swe...

Page 50: ...N green mode TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode The unit s display lamps are dimmed during oper...

Page 51: ...er ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto fla dication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation Displayed when...

Page 52: ...es slower than the fan speed setting to provide a quieter operating sound 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...

Page 53: ...art The airflow direction can be set manually six positions 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 HIGH PO...

Page 54: ...eries 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 ca...

Page 55: ...rom 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 cond...

Page 56: ...n o STEP 2 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 Adjustable temperature rang...

Page 57: ...n 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 position This automatically sets the best fan speed for...

Page 58: ...ack mode In Cooling and DRY Mode and NOTE 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 w...

Page 59: ...HIGH POWER Mode 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 mark appears in the display To can...

Page 60: ...ing protected from ice or frost when combined with the outdoor unit for Low Ambient Cooling models In the event of power failure the unit will stop When the power is resumed the unit will restart auto...

Page 61: ...rn button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes...

Page 62: ...ates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7...

Page 63: ...s to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER...

Page 64: ...flap automatically closes when the unit is off 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 co...

Page 65: ...al 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...

Page 66: ...ter and dry it How to replace the filter 1 With the FRONT mark of the filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the...

Page 67: ...ce the filter on page 22 When using a footstool or the like be careful not to let it tip over Washing the grille with water Clean the grille gently using a soft sponge or the like Then wipe away any r...

Page 68: ...emove obstruction Poor cooling performance 1 Dirty or clogged air filter 1 Clean air filter to improve airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or w...

Page 69: ...25 189 19 8 9 0 36 33 29 11 900 3 50 11 7 32 32 15 32 7 7 16 285 825 189 19 8 9 0 CS MKS12NKU Model No Outdoor Unit CU 4KS24NBU CU 3KS19NBU Single phase 208 230 V 60 Hz Heating Capacity Operation Soun...

Page 70: ...Operating Instructions CS MKS18NKU CS MKS24NKU 852 6 4181 215 00 1 APPENDIX B A 2...

Page 71: ...c Corporation 1006 Kadoma Kadoma City Osaka Japan 85264181215001 Indoor Units CS MKS18NKU CS MKS24NKU Outdoor Units CU 3KS19NBU CU 4KS24NBU CU 4KS31NBU Operating Instructions Before operating the unit...

Page 72: ...sired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan speed setting to provide a quieter operating sound CONTENTS Page Page FEATURES 2 PRODUCT INFORM...

Page 73: ...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 ne...

Page 74: ...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 interferenc...

Page 75: ...ed air is blown out of the air conditioner through the air outlet Remote Controller The remote controller controls power ON OFF operation mode selection temperature fan speed timer setting and air swe...

Page 76: ...N green mode TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode The unit s display lamps are dimmed during oper...

Page 77: ...er ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto fla dication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation Displayed when...

Page 78: ...es slower than the fan speed setting to provide a quieter operating sound 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...

Page 79: ...art The airflow direction can be set manually six positions 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 HIGH PO...

Page 80: ...eries 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 ca...

Page 81: ...rom 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 cond...

Page 82: ...n o STEP 2 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 Adjustable temperature rang...

Page 83: ...n 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 position This automatically sets the best fan speed for...

Page 84: ...ack mode In Cooling and DRY Mode and NOTE 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 w...

Page 85: ...HIGH POWER Mode 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 mark appears in the display To can...

Page 86: ...ing protected from ice or frost when combined with the outdoor unit for Low Ambient Cooling models In the event of power failure the unit will stop When the power is resumed the unit will restart auto...

Page 87: ...rn button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes...

Page 88: ...ates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7...

Page 89: ...s to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER...

Page 90: ...flap automatically closes when the unit is off 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 co...

Page 91: ...al 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...

Page 92: ...to replace the filter 1 With the FRONT mark of the filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the filter 2 Allow the...

Page 93: ...ce the filter on page 22 When using a footstool or the like be careful not to let it tip over Washing the grille with water Clean the grille gently using a soft sponge or the like Then wipe away any r...

Page 94: ...emove obstruction Poor cooling performance 1 Dirty or clogged air filter 1 Clean air filter to improve airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or w...

Page 95: ...24 200 7 10 11 23 32 41 15 16 8 5 8 298 1 065 219 26 5 12 0 Model No Outdoor Unit CU 4KS24NBU CU 3KS19NBU Single phase 208 230 V 60 Hz Heating Capacity Operation Sound Unit Dimensions H W D Net Weight...

Page 96: ...INSTALLATION INSTRUCTIONS CS MKS7NKU CS MKS9NKU CS MKS12NKU CS MKS18NKU CS MKS24NKU APPENDIX C 852 6 4190 580 00 0 A 3...

Page 97: ...LL THE INDOOR UNIT 7 3 1 Remove the Rear Panel from the Unit 3 2 Make a Hole 3 3 Install the Rear Panel on the Wall 3 4 Removing and Installing the Grille 3 5 Shape the Indoor Side Tubing 3 6 Wiring I...

Page 98: ...zard 7R SUHYHQW SRVVLEOH KD DUGV IURP LQVXODWLRQ IDLOXUH the unit must be grounded When Transporting Be careful when picking up and moving the indoor and out door units Get a partner to help and bend...

Page 99: ...ILQJHUV DQG FORWKLQJ DZD IURP DQ PRYLQJ parts OHDQ XS WKH VLWH DIWHU RX ILQLVK UHPHPEHULQJ WR FKHFN that no metal scraps or bits of wiring have been left inside the unit being serviced Others 9HQWLODW...

Page 100: ...r tube for refrigerant tub ing as detailed in Table 2 Cut each tube to the appropriate lengths 1 to 1 4 30 cm to 40 cm to dampen vibration between units Table 2 2 Foamed polyethylene insulation for th...

Page 101: ...st 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 allow room for operation and maintenance as well as...

Page 102: ...s securely If a tube is left open for an extended time moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrig erant circuit In order to pr...

Page 103: ...drain cap on page 15 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 hori zontal using a carpenter s level or tape measure to m...

Page 104: ...on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13a or 13b If you are not able to line up the holes in the rear panel with the beam locations marke...

Page 105: ...lots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Clos...

Page 106: ...o the frame first Fig 18b 1 Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 A...

Page 107: ...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...

Page 108: ...ring from the back of the indoor unit and pull it toward the front for connec tion Figs 26a and 26b 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 26a and 26...

Page 109: ...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...

Page 110: ...unit so it is 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 Cau...

Page 111: ...rain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insula tion Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in...

Page 112: ...ose should be slanted downward to the outdoors Fig 43 b Never form a trap in the course of the hose c If the drain hose will run in the room insulate the hose with insulation so that chilled condensat...

Page 113: ...t blinking Fig 59c IWHU PLQXWHV WKH V VWHP VKLIWV LQWR FRROLQJ RSHUD tion and cool air will start to be felt Cooling mode test run is unaffected by the room temperature 3 Press the ON OFF operation bu...

Page 114: ...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 5 1 Mounting on a Wall Before mounting the remote control...

Page 115: ...H WLS RI D SHQ IWHU VHFRQGV UHOHDVH WKH button first then release the QUIET and 1HR TIMER buttons oP 1 Test Run appears blinking in the remote controller clock display area 4 Each time the 1HR TIMER b...

Page 116: ...stalled level and vertically The power and voltage are as specified Inter unit cables are securely inserted into the terminal block Inter unit cables are securely fixed The power cable and inter unit...

Page 117: ......

Page 118: ...DC1111 0...

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