AUX ASW-H09A4/EAR1-dw Service Manual Download Page 46 | Manualshive

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5. The Step Motor Does Not Work

⑴

Items

a) Check if the input voltage is correct?
b) Check if the step motor controlling the up-down movement firmly connected to Cn2?

⑵

Trouble shooting procedure

6. Heating Mode Can Work, But No Hot Air Blow

⑴

Check if the set temperature is lower than the indoor temperature?

⑵

Check if the indoor PCB is connected to the terminal correctly?

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Summary of Contents for ASW-H09A4/EAR1-dw

Page 1: ...For model ASW H09A4 EAR1 dw ASW H12B4 EAR1 dw ASW H18B4 EAR1 dw ASW H24B4 EAR1 dw ...

Page 2: ... 2 Refrigeration Cycle Diagram 3 Remote Controller Instructions 4 Brief Introduction Of Installation 13 Wiring Diagram 17 Operation Details 20 Troubleshooting Guide 41 Disassembly Of The Parts 54 Electronic Control Device 64 Exploded Pictures 66 ...

Page 3: ... 16A 250V 16A Input Fuse capacity A 3 15 3 15 3 15 3 15 Dimension D W H mm 210 74 5 250 320 81 8 540 210 74 5 250 320 81 8 540 1095 3 12 205 800 30 0 690 1095 3 12 205 800 30 0 690 Net weight Kg 9 5 34 9 5 36 15 50 15 55 Liquid mm OD L φ6 35 3600 φ6 35 3600 φ6 35 3600 φ9 52 3600 Connection pipe Gas mm OD L φ9 52 3600 φ9 52 3600 φ12 7 3600 φ15 88 3600 Drain pipe mm ID L φ14 780 φ14 780 φ14 780 φ14 ...

Page 4: ...eries 9K 12K BTU Series 18K 24K BTU Series W mm 680 745 1095 H mm 250 250 312 D mm 180 210 205 2 Outdoor unit MODEL DIM 7K BTU Series 9K 12K BTU Series 18K BTU Series 18K 24K BTU Series W mm 600 760 800 800 H mm 490 540 590 690 D mm 250 260 300 300 ...

Page 5: ... Refrigeration Cycle Diagram Pipe size Diameter Ø MODEL Liquid inch Gas inch Max Piping Length m Max Elevation m 9K 12K BTU Series 1 4 3 8 15 3 4 18K BTU Series 1 4 1 2 20 5 24K BTU Series 3 8 5 8 25 5 5 ...

Page 6: ... 4 Remote Controller Instructions ...

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Page 15: ...tion order Selection of the installation position Installing the air conditioner Expelling the air in the pipes and the indoor unit Connecting the pipes and wires Testing 2 Selection of the installation position Indoor Unit There is no heating and steaming source nearby No obstacles for installation position from nearby Keep good air circulation Convenient to adopt measures to reduce noises Don t ...

Page 16: ...on Otherwise it might cause water drips when air conditioner is running in cooling operation Drill 70mm diameter pipe hole at the left lower or right lower side of the installation board The hole shall slant outward slightly Hang the indoor unit to the oard and make sure the machine is in the middle of the board Push the machine towards the left lower and right lower side of the installation board...

Page 17: ...ation material and fix them with two plastic rings Wrap up the pipes with tape alongside the wall and fix them to the wall with clips These steps are usually adopted when outdoor unit is installed below the indoor unit In case that you want to have additional water discharge pipe the end of pipe should be within certain distance from the floor to prevent water from draining back into the pipe Fix ...

Page 18: ...e screw take off the control panel cover from the unit Cooling type connect the wire to the related connection point on the panel and connect the signal connection plug Remarks yellow and green cord should be connected to connection point with mark Fasten the fixture of wire to control panel Screw up the control panel cover to its original place 9 Test running Make sure that the pipes and wires ar...

Page 19: ... 17 Wiring Diagram 1 7000 12000BTU 1 Indoor Unit Cooling Only Cooling Heating 2 Outdoor Unit Cooling Only Cooling Heating ...

Page 20: ... 18 2 18000 BTU 1 Indoor Unit Cooling Only Cooling Heating 2 Outdoor Unit Cooling Only Cooling Heating ...

Page 21: ... 19 3 24000 BTU 1 Indoor Unit Cooling Only Cooling Heating 2 Outdoor Unit Cooling Only Cooling Heating ...

Page 22: ...ng function The buzzer s driving function The indoor fan s driving function The timing on off function The compressor restarting protection function The indoor heat exchanger overheating protection function under heating mode The automatic defrosting and resume function under heating mode The anti cold air function under heating mode The anti freezing function under cooling and defrosting modes Se...

Page 23: ... twinkles for 20 seconds and the air conditioner does not start working until the working mode to be selected by the system The air conditioner automatically selects one of the cooling and heating mode as the working mode according to the indoor air temperature The cooling operation starts when the detected room temperature TA is given in the formula TA Ts 2 Set temperature is the remote controlle...

Page 24: ...eed works in low wind Without 3 minutes delay when the wind speed turns from the high wind from the low wind otherwise with 3 minutes delay Being initially electrified the compressor doesn t have the 3 minutes extension delay protection the outdoor fan starts after 2 seconds of the compressor s start TS TA set by the remote control the compressor turns off immediately with no need of 3 minutes del...

Page 25: ...m fan and low fan The other conditions are as following when TA 3 TS 1 if after three minutes delay time as for protection purpose the compressor and the outdoor fan start the indoor fan works in cold wind prevention condition the TA shown on the digital display has 3 temperature compensation TA 3 TS 1 if the compressor last continuously running for 3minutes the compressor and the outdoor fan stop...

Page 26: ...r fan turns off TE2 TE TE3 the indoor fan blows the breeze TE3 TE TE4 the indoor fan blows the mute wind TE TE4 the indoor fan blows the set wind speed b When TE in fall status and at the moment of TE TE5 the indoor fan blows the set wind speed TE6 TE TE5 the indoor fan blows the mute wind TE7 TE TE6 the indoor fan blows the breeze TE TE7 the indoor fan turns off The anti cold wind status when the...

Page 27: ...r fan turns in the low speed wind operation for 40 seconds and stops 9 Intelligent defrosting function Under the operation of the intelligent defrosting mode the air conditioner starts the defrosting process if satisfying the requirement of one of the below five conditions the sub conditions included shall all be satisfied During the defrosting process the sleeping light is twinkling a The outdoor...

Page 28: ...t of the compressor 1 minute later after compressor starts When the current of the compressor 6A 3 2Kw 3 5Kw wall mounted unit require the current of the compressor 8A and continuous lasts for 5 seconds 10 The sleeping control function The sleeping control function is valid during the automatic cooling dehumidifying and heating mode The wind speed of the indoor fan falls by one gear after starts t...

Page 29: ... previous timing and sleeping setting function 12 Self detecting function Press the Emergency button and electrify the air conditioner the self detecting process starts after twice short buzz from buzzer Start the electric heating run the indoor fan at a high fan speed open the air door to be the maximum Æthe digital display and three indicating light on in 1 secondÆ digital displays 11 22 33 44 i...

Page 30: ...mary position for heating mode is the position 5 Picture 3 for cooling mode is the position 2 Picture 3 The air door Swing on the remote control can set the swinging mode to be automatic swing or hand swing The maximum swing angle of automatic swing under heating mode is 50 e g the angle between position 3 5 in picture 3 the angle under cooling mode is 50 e g the angle between position 2 4 in pict...

Page 31: ...d to be performed if being equipped with the corresponding hardware For example the Auto restart function shall be equipped with the corresponding E2 main chip the I feel function shall be equipped with the corresponding remote controller and the Negative ion shall be equipped with the corresponding relay Auto restart control function a The setting method for Auto restart function After the contro...

Page 32: ...al to the controller every 3minutes If the controller fails to receive the signal from the remote control the I feel function will be automatically cancelled and the TA control the temperature according to the temperature value detected by the TA sensor of the PCB c When the I feel function starts the controller doesn t test the former TA sensor on the PCB Negative ion function When the indoor fan...

Page 33: ...air temperature a When TA 27 the controller enters into the cooling mode and follows the mode in working The setting temperature herein is 24 and the setting wind speed is strong wind b When 20 TA 27 the controller enters into the dehumidifying mode and follows the mode in working The setting temperature is 24 and the setting wind speed is strong wind c When TA 20 the controller enters into the he...

Page 34: ...rature shall be fixed by the remote control The temperature controlling range is 16 32 The setting temperature can be adjusted through the button of The setting wind speed can be adjusted through the button of wind speed selection in the selection of the four wind speeds type such as strong wind high wind low wind and mute wind The four way valve always is closed under this mode The other action i...

Page 35: ... TA TS the compressor and the outdoor fan stop working and the indoor fan start to work in breeze mode after stopping for 3 minutes Automatic wind speed control TA TS 5 the wind speed is at high wind TS 3 TA TS 5 the wind speed is at middle wind TS 2 TA TS 3 the wind speed is at low wind TS TA TS 2 the wind speed is at fitful breeze TA TS the indoor fan is off during the 3 minutes delay of the com...

Page 36: ...he low fan there is 3 minutes protection delay when the wind speed turns to low fan from the high fan When heating process ongoing the button of Swing can control the swing leaves to swing or stop Being electrified initially the compressor has no 3 minutes protection delay The compressor starts 10 seconds later after the start of the four way valve and the outdoor fan starts 2 seconds later after ...

Page 37: ...r starting the process of residual heat removal and last for 10seconds within the 10second of process of residual heat removal if TE 35 the indoor fan turns off at once Anti high temperature protection when run on Heating mode if TE 57 and continuously last 10 seconds the outdoor fan stops if TE 64 and last for 10s the compressor stops again When TE 52 and satisfying 3minutes protection delay cond...

Page 38: ...nd the four way valve is electrified and the indoor fan starts the electric heating starts if satisfying the below conditions A TE 48 B TA 22 C TS TA 3 D The compressor runs continuously for 4 minutes with the heating mode The auxiliary electric heating quit operation if satisfying one of the below conditions A TA 22 B TS TA 2 C TE 52 If anyone of the compressor four way valve and indoor fan doesn...

Page 39: ...leeping process turn off Timing control function The time range of the Timing control set is 24 hours and the time unit is minute single timing mode The conversion of the modes doesn t cancel the timing function and the timing indication light turns on after timing setting Timing turns off The timing turns off function can be set only under the running status of the air conditioner The timing rang...

Page 40: ...the waiting status the self testing is ended Fault indication When there is faults happen to the air conditioner the timing lights on the display panel will indicate the corresponding fault codes which are specifically reflected as the following For LED display FAULT DISPLAY MODE DISPLAY PRIORITY APPEARANCE TA abnormity Timer lamp flash 1 times 8 seconds 2 AC stopped TE abnormity Timer lamp flash ...

Page 41: ...sume the automatic Swing once the fan motor starts if the setting swing mode is Manual the swing angle of the Horizontal air blade will never change After turning off the air conditioner and stopping the running of the indoor fan the air door will shut off automatically Enter into the Auto run mode by pressing the Emergency switch the setting status of the air door is in accordance with the Coolin...

Page 42: ...onditioner owns the Auto restart function the default condition of the controller is power off status after being electrified again I feel function a The setting method for I feel function Press the I feel function button on the remote controller the controller will effect the I feel function once receiving the signal and the controller herein will default the temperature value of the sensor on th...

Page 43: ...nal is well received 2 The compressor stops running but the indoor fan motor keeps working when it is at cooling mode with the indoor temperature higher than set temperature If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the indoor fan speed to what you set 3 The compressor works disconti...

Page 44: ...s connected correctly to the connector CN8 b Check if the AC input voltage is correct c Check if the IC of indoor fan motor is connected correctly to the connector CN2 d Check if the capacity of indoor fan motor is connected correctly to the connector CN8 Trouble shooting procedure ...

Page 45: ... 43 4 The Outdoor Unit Does Not Work Items a Check if the input voltage is correct b Check if the wire connection of the outdoor connecting terminal is correct Trouble shooting procedure ...

Page 46: ...b Check if the step motor controlling the up down movement firmly connected to Cn2 Trouble shooting procedure 6 Heating Mode Can Work But No Hot Air Blow Check if the set temperature is lower than the indoor temperature Check if the indoor PCB is connected to the terminal correctly ...

Page 47: ... 45 7 Remote Control Can Not Work Trouble shooting procedure 8 The Failure Analysis of the Main Parts ...

Page 48: ... 46 ...

Page 49: ...well received 2 The compressor stops running but the indoor fan motor keeps working when it is at cooling mode with the indoor temperature higher than set temperature If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the indoor fan speed to what you set 3 The compressor works discontinuously...

Page 50: ... is connected correctly to the connector CN8 Check if the AC input voltage is correct Check if the IC of indoor fan motor is connected correctly to the connector CN2 Check if the capacity of indoor fan motor is connected correctly to the connector CN8 Trouble shooting procedure ...

Page 51: ... 49 4 The Outdoor Unit Does Not Work Items Check if the input voltage is correct Check if the wire connection of the outdoor connecting terminal is correct Trouble shooting procedure ...

Page 52: ...Check if the step motor controlling the up down movement firmly connected to Cn2 Trouble shooting procedure 6 Heating Mode Can Work But No Hot Air Blow Check if the set temperature is lower than the indoor temperature Check if the indoor PCB is connected to the terminal correctly ...

Page 53: ... 51 7 Remote Control Can Not Work Trouble shooting procedure 8 The Failure Analysis of the Main Parts ...

Page 54: ...l 2 Sparkle 1 time per 1 seconds indicated on LED display model is the same as E2 displayed on Digital display model 3 Sparkle 2 times per 8 seconds indicated on LED display model is the same as E3 displayed on Digital display model 4 Sparkle 4 times per 8 seconds indicated on LED display model is the same as E4 displayed on Digital display model Explanations as follows 1 E1 and E3 is the problem ...

Page 55: ...ther there is also E4 display on the panel If the answer is Yes please try to replace another PCB because there are some electronic components are damaged and cut off the feedback circuit of the motor E4 will appear as well So you should check whether there is something wrong with PCB If the PCB is good you should check the PG motor of indoor unit 6 E5 will appear when communication failed between...

Page 56: ...898 27 602 28 305 27 0 4 579 4 6298 4 680 13 0 25 617 26 275 26 933 28 0 4 406 4 4566 4 507 12 0 24 406 25 021 25 636 29 0 4 240 4 2909 4 341 11 0 23 261 23 836 24 411 30 0 4 082 4 1323 4 182 10 0 22 177 22 715 23 254 31 0 3 930 3 9804 4 030 9 0 21 140 21 643 22 146 32 0 3 784 3 8349 3 884 8 0 20 158 20 629 21 099 33 0 3 645 3 6955 3 744 7 0 19 229 19 669 20 109 34 0 3 512 3 5620 3 610 6 0 18 349 ...

Page 57: ... 0 1 9656 82 0 0 7508 52 0 1 9016 83 0 0 7293 53 0 1 8399 84 0 0 7086 54 0 1 7804 85 0 0 6885 55 0 1 7232 86 0 0 6690 56 0 1 6680 87 0 0 6502 57 0 1 6149 88 0 0 6320 58 0 1 5636 89 0 0 6144 59 0 1 5142 90 0 0 5973 60 0 1 4666 91 0 0 5808 61 0 1 4206 62 0 1 3763 63 0 1 3336 64 0 1 2923 65 0 1 2526 66 0 1 2142 67 0 1 1771 68 0 1 1413 ...

Page 58: ...6 Take out the filter from the right and left side 7 Screw off the bolts on the electrical box cover and unload the box cover 8 Screw off the 5 bolts for 1Hp AC or 8 bolts for 1 5Hp AC on the medium frame 9 Hold the both sides of the medium frame and open it gently 10 Turn up the medium frame by about 90 11 Offload the medium frame once hearing the crack sound 2 Electrical component 1 Do No 1 and ...

Page 59: ... and 3 firstly 2 Offload the connecting pipe 3 Offload the tube clip at the rear 4 Screw off the bolts at the right and left side 5 Lift up the evaporator and draw it out from the indoor unit 5 Indoor fan Fan motor 1 Screw off one bolt from the motor cover and remove the motor cover 2 Offload the motor from the fan 3 Offload the fan from bearing ...

Page 60: ...er board and offload the board Screw the six fastening bolts from the front panel and offload the front panel 4 Screw off the fastening bolts from the electrical assembly 5 Screw off the eight fastening bolts and offload the outer frame 2 Outdoor fan motor 1 Do No 1 firstly 2 Screw off the fastenings screws clockwise 3 Offload the fan 4 Screw off the four fastening bolts and offload the fan motor ...

Page 61: ...stening bolts 3 Weld off the inlet and outlet tube 4 Offload the condenser 4 Compressor 1 Do No 1 2 and 3 firstly 2 Open the cover of compressor release the connection cord 3 Weld off the inlet and outlet tube 4 Screw off the three screws 5 Offload the compressor ...

Page 62: ... both sides of the panel and push upward 5 Turn the upper board by 90 and unload it from the connecting pole carefully 6 Take out the filter from the right and left side 7 Screw off the bolts on the electrical box cover and unload the box cover 8 Screw off the six bolts on the medium frame 9 Hold the both sides of the medium frame and open it gently 10 Turn up the medium frame by about 90 11 Offlo...

Page 63: ...rd and power supply cord from the terminal of the electrical box 4 If the main PCB board is loosed by chance remove it away 4 Evaporator 1 Do No 1 2 and 3 firstly 2 Offload the connecting pipe 3 Offload the tube clip at the rear 4 Screw off the bolts at the right and left side 5 Lift up the evaporator and draw it out from the indoor unit 5 Indoor fan and fan motor 1 Offload the motor from the indo...

Page 64: ... front panel 4 Screw off the fastening bolts from the electrical assembly panel 5 Screw off the eight fastening bolts and offload the outer frame 2 Fan motor 1 Do No 1 firstly 2 Screw off the fastening nut Rotate in clockwise direction 3 Offload the outdoor fan 4 Screw off the four fastening bolts from the electrical motor and offload the electrical motor 5 Screw off the two fastening bolts and of...

Page 65: ... Compressor 1 Do 1 2 3 firstly 2 Open the cover of the compressor and loosen the connecting cables 3 Weld off the inlet and outlet tubes of the compressor 4 Screw off three flat nuts 5 Offload the compressor ...

Page 66: ... 64 Electronic Control Device 1 Schematic Diagram for 7K 9K 12K BTU E series Renesas Chip 2 Main P C B ASM for 7K 9K 12K BTU E series Renesas Chip ...

Page 67: ... 65 3 Schematic Diagram for 18K 24K BTU E series Renesas Chip 4 Main P C B ASM for 18K 24K BTU E series Renesas Chip ...

Page 68: ... 68 Exploded Pictures 1 Indoor unit exploded picture 7K 9K 12K BTU E Series ...

Page 69: ...oam of chassis 1 13 Chassis 1 14 Tubing 1 15 evaporator 1 16 Indoor fan motor 1 17 Cover of indoor fan motor 1 18 Indoor fan 1 19 Step motor 1 20 Controller box 1 21 transformer 1 22 Terminal board 1 23 Main PCB 1 24 Receiver holder of remote controller 1 25 Auxiliary PCB 1 26 Receiver window 1 27 Medium frame 1 28 Cover of medium frame 1 29 Indication lights holder 1 30 Display board 1 31 Cover o...

Page 70: ... 70 2 Outdoor unit exploded picture 7K 9K 12K BTU E Series ...

Page 71: ...ndle 1 12 Right side plate 1 13 Capacitor clamp 1 14 Fan motor capacitor 1 15 Compressor capacitor 1 16 Terminal board 1 17 Electrical holding plate 1 18 Partition plate 1 19 Electromagnetic loop 1 20 Four way valve and capillary assembly 1 21 Compressor connection cord 1 22 Compressor grounding cord 1 23 Compressor terminal cover 1 24 Over load protector 1 25 Compressor 1 26 Liquid valve 1 27 Gas...

Page 72: ... 72 3 Indoor unit exploded picture 18K 24K BTU E Series ...

Page 73: ...an 1 13 Chassis 1 14 Foam of chassis 1 15 Mounting plate 1 16 Pipe clamp 1 17 Indoor fan motor 1 18 Catching pipe assembly 1 19 Controller box 1 20 Transformer 1 21 Terminal board 1 22 Clamping plate 1 23 Receiver holder of remote controller 1 24 Auxiliary PCB Ⅰ 1 25 Main PCB 1 26 Step motor 1 27 Top cover of control box 1 28 Cover of the connection line 1 29 Window for receiving 1 30 Cover of the...

Page 74: ... 74 4 Outdoor unit exploded picture 18K 24K BTU E Series ...

Page 75: ...citor clamp 1 10 Compressor capacitor 1 11 Fan motor capacitor 1 12 Wiring clamping cover 1 13 Electrical holding plate 1 14 Terminal board 1 15 Partition plate 1 16 Compressor 1 17 Capillary assembly 1 18 Four way valve assembly 1 19 Liquid valve Dg4 1 20 Gas valve Dg10 1 21 Chassis 1 22 Screw 4 23 Valve plate 1 24 Outdoor fan 1 25 Motor bracket 1 26 Outdoor fan motor 1 27 Screw 4 ...

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