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CONTENTS

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1 Indoor Unit

2-2 Outdoor Unit 

3. WIRING DIAGRAM

4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit
4-2 Outdoor Unit 

5. REFRIGERATION CYCLE DIAGRAM

6. CONTROL BLOCK DIAGRAM

7.

7-9  ECO Operation

OPERATION DESCRIPTION

7-1

7-7  Current Limit Control

Remote control

7-8  Hi POWER Mode

7-2 Outline of Air Conditioner Control
7-3 Description of Operation Mode
7-4 High-Temperature Limit Control

7-5 Low-Temperature Limit Control
7-6 Defrost Operation

FILE NO. SVM-10036

7-10  Auto Restart Function

8. INSTALLATION PROCEDURE

8-1 Safety Cautions
8-2 Installation Diagram of Indoor and Outdoor Units
8-3 Installation
8-4 Indoor Unit
8-5 Outdoor Unit
8-6 How to Set Remote Control Selector Switch
8-7 Others

Содержание 38NQ009N

Страница 1: ...FILE NO SVM 10036 1 42NQ009N 38NY009N April 2010 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE...

Страница 2: ...7 Current Limit Control Remote control 7 8 Hi POWER Mode 7 2 Outline of Air Conditioner Control 7 3 Description of Operation Mode 7 4 High Temperature Limit Control 7 5 Low Temperature Limit Control 7...

Страница 3: ...shooting for Remote Control Including The Indoor P C Board 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy This air conditioner i...

Страница 4: ...n type Flare connection pipe Maximum length m 10 1 One way Maximum height difference INDOOR UNIT 42NQ009N Height mm 250 Dimensions Width mm 740 Depth mm 195 Net weight kg 8 Evaporator type Finned tube...

Страница 5: ...erature conditions Note 2 Temperature Condition Cooling Heating Indoor unit inlet air temperature DB 27 C 20 C WB 19 C 15 C Outdoor unit inlet air temperature DB 35 C 7 C WB 24 C 6 C 1 No need to char...

Страница 6: ...2 CONSTRUCTION VIEWS 2 1 Indoor Unit FILE NO SVM 10036 5 Wireless remote control Flare 9 52 19 157 56...

Страница 7: ...leg FAN GUARD COVER PV Electrical part cover Liquid side Flare 6 35 Gas side Flare 9 52 Service port 4x 11 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 100 or more 60...

Страница 8: ...BLK BLK BLK BLK THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN03 CN01 C01 C02 R319 DB01 3 2 1 6 5 4 8 7 3 2 1 6 5 4 8 7 BLU BLU BLU BLU BLU BLU WHI BLU CN14 1 1 2 2 CN04 1 5 3 4 2 1 5 3 4 2 WHI YEL YEL...

Страница 9: ...N OF ELECTRICAL PARTS 4 1 Indoor Unit No Parts name Type Specifications 1 Fan motor for indoor AFN 220 20 4D AC Motor with 145 C thermo fuse 2 Thermo sensor TA sensor 10k at 25 C 3 Micro power module...

Страница 10: ...3 43 26 Low temperature 0 69 2 0 Low 21 15 21 15 Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Heat exchanger Propeller fan Outdoor unit PA108...

Страница 11: ...ressor 4 Way Valve Outdoor Fan Motor Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Initiallizing Circuit Clock Frequency Osc...

Страница 12: ...T SLEEP CHECK FILTER CLECK Infrared signal emitter ON OFF 1 Start Stop button 2 Mode select button 3 Temperature button 4 Fan speed button 5 Swing louver button 6 Set louver button 7 On timer button 8...

Страница 13: ...Set the desired OFF timer Press Set the timer Press Set the timer Press Cancel the timer Press Press Set the ON timer Press Press Set the OFF timer Press button during the or mark flashing 1 1 2 3 2...

Страница 14: ...seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 secpmds Do not operate ON timer and OFF timer 2 Press and hold the RESET button on the indoor unit for 3 seconds to...

Страница 15: ...The current time is always indicated except during TIMER operation 7 Hi POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the...

Страница 16: ...utdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the...

Страница 17: ...MODE button on the remote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display lamp are controlled as shown in Fig 7 3 4 Fig 7 3 4 2 When FAN button i...

Страница 18: ...reset temp 3 2 1 0 OFF ON OFF 4 way valve Outdoor fan OPERATION Compressor ON 6min OFF 4min ON 5min OFF 5min OFF ON 6min OFF 4min ON 5min OFF 5min display lamp Room temp Preset temp Room temp Preset t...

Страница 19: ...7 3 11 No limitation while fan speed MANUAL mode is in stability A When Tsc 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value H Line approximate H and SUL with Tc SUL Stop 46 46 Tc 34 45 45 33 33 33 2...

Страница 20: ...rolled ulativ as sho e compressor oper wn in Fig ating time is 7 5 1 longer than 40 or 90 minutes and difference betw Fig 7 5 1 een the indoor heat exchanger temperature and the room temperature is le...

Страница 21: ...ng operation is performed for at least 90 minutes 2 The defrost operating time is 10 minutes 7 6 3 Ending condition at defrost operation 1 When the compressor current becomes 8 0A or more during defro...

Страница 22: ...ith a current sensor C T Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 Fig 7 7 2 Remark 1 This function is available only for heat pump model Cooling m...

Страница 23: ...secutive airflow level If the room temperature is higher than the setting temperature by less than 3 5 C the air conditioner operates at normal airflow level 3 Heating operation The preset temperature...

Страница 24: ...tion This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally s...

Страница 25: ...the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 7 10 2 How to Cancel the Auto Restart Function To cancel auto restart function proc...

Страница 26: ...pecial tools are required for the new refrigerant R410A as shown below For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ens...

Страница 27: ...RK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WARNING Never modify this unit by removing any of the safety...

Страница 28: ...Bottom right Rear left Bottom left Left 6 mm thick heat resisting polyethylene foam 1 Shield pipe Hook Installation plate Hook 47 mm or more 120 mm or more 120 mm or more 100 mm or more 45 mm or more...

Страница 29: ...it with fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach 9 drain nipple and 10 ca...

Страница 30: ...Remote control holder x 1 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit Part name Q ty Pan head wood screw...

Страница 31: ...ol at least 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown...

Страница 32: ...arged each port diameter has been changed Charge hose In order to increase pressure withstand strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a c...

Страница 33: ...n the wall Insert clip anchors for appropriate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Installation plate Keep ho...

Страница 34: ...torque 1 2 N m 0 12 kgf m 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring...

Страница 35: ...ig 8 4 9 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 10 2 Firmly insert drains cap Fig 8 4 11 CAUTION Firmly insert the drain hose and drain cap otherwise water m...

Страница 36: ...ng tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine trouble make sure to insulate both the connec...

Страница 37: ...lamp and the power cord connect cover 6 Put the power supply cord through the notch 7 Be sure to smooth the notch with a file etc For the air conditioner that does not nave power cord connect a power...

Страница 38: ...e which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure t...

Страница 39: ...1 5 Outer dia of copper pipe R410A 6 35 1 5 to 2 0 9 52 1 5 to 2 0 12 7 2 0 to 2 5 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter Fig 8 5 2 2 Insert a flare nut into the pipe a...

Страница 40: ...use R410A refrigeration cycle trouble may result 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum...

Страница 41: ...mote control selector switch When two indoor units are installed in the same room or the adjacent two rooms they may be controlled simultaneously with a single remote control To prevent this set eithe...

Страница 42: ...NO SVM 10036 Information 8 7 3 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Informat...

Страница 43: ...nly oper ation continues in the Automatic operation 9 The Hi POWER operation does not wor 9 1 k Tr No oub Operation of air conditioner leshooting Pr Descriptions ocedure The OPERA If there is no troub...

Страница 44: ...ng 5Hz E OPERATION lamp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION and TIMER lamps are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not w...

Страница 45: ...indicated on the display All indicators on the indoor unit will flash 5 times per 1 sec 1 2 9 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 9 3...

Страница 46: ...r 2 If it is OK check P C board 1 Check heat thermal fuse is blow or not Terminal block part 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts Replace P C...

Страница 47: ...S YES YES YES YES YES NO NO NO NO NO Does the thermal fuse blow Under PF Terminal Wrong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indicati...

Страница 48: ...OPERATION lamp blink Is it wired as shown in Figure below Return the wiring of the power relay is returned to the normal procedure To the paragraph of No Power turns on YES NO NO YES Brown 4 Blue 3 1...

Страница 49: ...can not be turned on NO NO NO NO YES YES YES YES Does the power turn on by pushing the button of the remote control Is AC 220V supplied between terminal block 1 2 Relays RY01 or Q16 or IC30 is failure...

Страница 50: ...etween indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220V Cables between indoor and outdoor units are defective Ar...

Страница 51: ...Y03 or Q25 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Cables between indoor and outdoor unit...

Страница 52: ...s not found the short wire about connecting cable and power cord Change the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Shut off the power supp...

Страница 53: ...ARY AUTO Can any signal tone be heard in a transistor radio when transmitting within 5 cm distance from the radio P C board is failure Replace P C board Is operation possible when the transmitter is m...

Страница 54: ...on the P C board hold the Whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discolora tion of the copp...

Страница 55: ...upply and remove the P C board assembly from the electronic parts base Remove the connecting cable from the terminal block Remove the connector for the motor and turn the power on If the OPERATION lam...

Страница 56: ...036 Temperature 0 C Resistance value 33 8 20 35 12 59 10 00 7 99 k 10 C 20 C 25 C 30 C 9 6 2 How to shorten time of restart delay timer 1 Press SET button while pressing CHK button ON OFF 2 1 with a t...

Страница 57: ...e screw for the electrical part box Then remove the LED and the electrical part box from the main unit How to mount the electrical part 1 To put back the electrical part box lock it to the upper hook...

Страница 58: ...assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the top position of band motor R Fix the cross flow fan with the set screw at the posi...

Страница 59: ...it pulling out upward 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing...

Страница 60: ...No 401 43T60378 TERMINAL 406 43T60077 FUSE TEMPERATURE 73C 402 43T60394 TERMINAL 410 43T62003 CORD CLAMP Made in Thailand 403 43T69371 SENSOR HEAT EXCHANGER 411 43T69844 ASM PCB SERV 404 43T50314 SENS...

Страница 61: ...09 FAN MOTOR Made in Thailand 206 43T70313 HOSE DRAIN Made in Thailand 224 43T82309 INSTALLATION PLATE 207 43T79301 CAP DRAIN 225 43T69618 WIRELESS REMOTE CONTROL 208 43T21363 MOTOR STEPPING 226 43T83...

Страница 62: ...DIA Made in Thailand 26 43T19331 FIN GUARD Made in Thailand 10 43T47332 BONNET 9 52 DIA Made in Thailand 27 43T54303 RELAY OVERLOAD 11 43T47008 CAPILLARY TUBE 1 5 DIA 28 43T61308 ELECTRIC PART BASE 12...

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