innovair RI09C2D1 Service Manual Download Page 30

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No/ineffective cooling
No/ineffective heating

Whether the display panel
display one of the following
signal? "Er En Eo Ed"

Er¡ -indicates room temp. sensor failure
En  indicates indoor pipe sensor failure
Eo  indicates outdoor pipe sensor failure
Ed  indicates that the evap. Is frosting

: For reverse cycle model

Whether the compressor can
start in cooling/heating mode
even if it soon stops?

Yes

Check whether the indoor
outlet/inlet of the unit
is blocked or the vent
door is open

Check temperature. setting

Check Wiring

Check compressor capacitor

Check the voltage between
RY9 on main PCB and N
on power cord

Replace the compressor

Replace the main PCB

No voltage

Check whether the indoor
outlet/inlet of the unit
is blocked or the vent
is blocked

Check whether the Evap.is

frosting and the compressor
stops frequently

Check the speed of motor

Check leakage

Recycle refrigerant and
braze the leakage point

Vaccum and recharge

Check the drainage

Check whether the Cond.is

frosting and the compressor
stops frequently

Check the speed of motor

Check the control wire of

the reverse valve

Check whether the temp. of
suction pipe is above 7

℃

Replace the capillary tube

Replace the reverse valve

Replace the compressor

Recycle refrigerant and recharge

Check the voltage between P11
on main PCB and N on power

Replace the reverse valve

Replace the Main PCB

No voltage

Yes

In cooling

Yes

Normal

Check the fan capacitor

Replace the motor

Normal

Yes

Leakage

Yes

Summary of Contents for RI09C2D1

Page 1: ...SERVICE MANUAL RI09C2D1 RI12C2D1 RI18C2D1 RI24C2D1 ...

Page 2: ...ction and defect at cooling or dry mode 12 6 2 4 Auto defrosting function in heating mode 13 6 2 5 Electronic function 13 6 2 6 Temperature sensor is open circuit or short circuit 14 7 Installation details 15 7 1 Select the best location 15 7 2 Check off installation 16 7 3 How to drain 16 7 4 How to install 16 7 4 1 Installation of the housing 16 7 4 2 Installation of the unit into the housing 17...

Page 3: ...fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not in...

Page 4: ...ce near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks ...

Page 5: ... unit This could result in personal injury and product damage Caution Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration of water leakage Do not ...

Page 6: ...necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary could cause serious health issues Use a firm stool or la...

Page 7: ...ng Timer function Auto on time setting and cancel for remote control model Anti freezing control in cooling mode or drying mode Prevent the water being freezed on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety Restarting is for approx 3 minutes Auto restart When the power supply is interrupted and then restore the air conditioners automatically restore the ...

Page 8: ...6 2 RI12C2D1 3 RI18C2D1 RI24C2D1 202021990011 202021790011 ...

Page 9: ...7 3 Dimension F E Series Dimension Mode W mm H mm D mm RI09C2D1 450 346 535 RI12C2D1 600 380 560 RI18C2D1 660 428 680 RI24C2D1 660 428 780 ...

Page 10: ...he important components and their function in what is called the refrigeration system This will help to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle For only cooling LIQUID SIDE GAS SIDE EVAPORATOR CONDENSER COMPRESSOR CAPILIARY TUBE ...

Page 11: ... P3 P10 RED Y G GREEN OR Y G TRANSFORMER FAN MOTOR BLUE BROWN FAN CAPACITOR CONTROL BOARD CN7 DISPLAY BOARD CN1 CN8 RED YELLOW WHITE CN6 CN4 RED RED BLUE BLUE L COMP RELAY N O COM BLUE CAPACITOR BLACK OR BROWN L WHITE OR BLUE N POWER SUPPLY P4 BLACK S R C P7 P8 P9 POWER 202021490332 ...

Page 12: ...EEN OR Y G TRANSFORMER FAN MOTOR BLUE BROWN FAN CAPACITOR CONTROL BOARD CN7 DISPLAY BOARD CN1 CN8 RED YELLOW WHITE CN6 CN4 RED RED BLUE BLUE L COMP RELAY N O COM BLUE CAPACITOR BLACK OR BROWN L WHITE OR BLUE N POWER SUPPLY P4 LOUVER MOTOR BLACK BLACK BLACK S R C P7 P8 P9 P12 POWER 202021990001 ...

Page 13: ...11 3 RI24C2D1 202022090238 ...

Page 14: ...pe temperature is still lower than 1 the compressor will stay off If the temperature gets higher than 1 the compressor will be started and the function is cancelled Anti freezing control according to TIME If the lasting time of compressor which is continuously running has got to 105 minutes with fan motor operating under Med or Low speed and the indoor ambient temperature lower than 26 the anti fr...

Page 15: ...denser pipe temperature has been lower than 0 for 40 minutes the function will be activated The compressor will be ON while reverse valve and fan motor are OFF If T3 condenser pipe temperature gets over 20 or the defrosting time gets to 10 minutes the function will be cancelled After that the compressor will shut down immediately with the fan motor starts 35 seconds later the reverse valve will be...

Page 16: ... on or change mode to auto mode or adjust temperature in auto mode the machine will choose actual running mode again A In auto mode if the compressor keeps not running for 15 minutes judge condition B B If 1 ΔT or ΔT 4 the machine will choose actual running mode again according to T1 Ts till the compressor stops 6 2 5 4 Fan mode 1 Compressor and 4 valve stop 2 Temperature setting function is disab...

Page 17: ... shine directly on the unit If the unit receives direct sunlight build an awning to shade the cabinet 3 There should be no obstacle such as a fence or wall within 50cm from the back of the ambient because it will prevent heat radiation of the condenser 4 Restriction of outside air will greatly reduce the cooling and heating efficiency of the air Conditioner 5 Install the unit on a slight angle so ...

Page 18: ...r inlet and outlet 7 3 How to drain You can choose bottom drainage See the following procedures to perform bottom drainage 1 Remove the rubber plug from the bottom of the cabinet and attach to the back drain hole For the units without the bottom rubber plug just install the drain tray 2 Take out the drain pan and screws which provided with your air conditioner accessory 3 Install the drain pan at ...

Page 19: ...6 4 3 Holes from the outside through to the cavity should be sealed The housing should slope down towards the rear by about 5mm to allow water formed during operation to drain Step3 Install the housing into the wall and secure Ensure the foam seals are not damaged Flash seal or fill gaps around the inside and outside to provide satisfactory appearance and protection against the weather insects and...

Page 20: ... housing and run a drain line to a suitable location if required 7 4 3 Installation of the unit into the wall 7 4 4 Installation steps Step 1 Remove the front panel and the air filter Hold the slot under the front panel then uplift it outwards and remove the front panel See Fig 1 Pinch the handle under the air filter and make the air filter arched remove it from the slot from underside to upside S...

Page 21: ...e Fig 8 Fix the chassis and cabinet see Fig 5 Step 4 Install the frame Install the frame and connect the coupler plugs making sure not to interfere with the temperature sensor cable See Fig 9 Fix the screws on the frame See Fig 3 Step 5 Install the air filter and front panel Install the air filter into the frame s slot from upside to underside See Fig 2 Hang the front panel on the frame s buckle t...

Page 22: ...459 7 52 2438 20 12 6431 47 3 8867 6 49 3161 21 12 0561 48 3 7348 5 46 5725 22 11 5 49 3 5896 4 44 23 10 9731 50 3 451 3 41 5878 24 10 4736 51 3 3185 2 39 8239 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26 8778 32 7 2946 59 2 4468 6 25 4954 33 6 ...

Page 23: ...62 2 1907 9 21 8094 36 6 1306 63 2 1124 10 20 7184 37 5 8736 64 2 0373 11 19 6891 38 5 6296 65 1 9653 12 18 7177 39 5 3969 66 1 8963 13 17 8005 40 5 1752 67 1 830 14 16 9341 41 4 9639 68 1 7665 15 16 1156 42 4 7625 69 1 7055 16 15 3418 43 4 5705 70 1 6469 ...

Page 24: ...d the Structure Damage Fan motor speed can t change Check the wiring Check the capacitor of fan motor Replace if failed Replace the PCB Check the resistance of fan motor and replace the motor if failed No No No Operation panel don t work Check the power supply Press the LED button of remote controller several times and check whether the problem is settled down Check the wiring of display board Rep...

Page 25: ...ether the indoor ambient temperature is too low Check whether the indoor dust filter is too dirty Check whether there is too much water on the chassis No No No No No No Check the pipe temperature sensor Replace the pipe temperature sensor Replace the main control board No Check the wiring of pipe temperature sensor Yes ...

Page 26: ...ck whether the compressor is under overload protection No No No No No No Check whether the external protector works noamally Remove the overload protector and cool to normal temperature then check whether it is open circuit replace if failed Comparing whit compressor specification check the resistance of compressor No Check the relay of compressor in PCB works normally Yes No Replace the compresso...

Page 27: ...ther the temperature of the compressor s discharge pipe is smaller than 90 if no recharge refrigerant Replace the capillary No No No No The air con doesn t work Check the power supply Check whether the transformer is failed Measure the output voltage of transformer and check whether it is the range from 5V to 12V If not replace the transformer No Check the wiring No No Replace the PCB ...

Page 28: ...s blocked Check whether the fan motor doesn t work Check whether capacitor of compressor work normally Check whether the relay of compressor on PCB works normally Replace the PCB Check whether the capillary is blocked Replace the capillary Replace the compressor No No No No No No No ...

Page 29: ... indoor outlet airflow foam is too wet and louver drip Check whether the unit is correctly installed Check whether the air outlet foam install normally No No No No Check whether the foam of evaporator base is damaged No Check whether the drain passage of evaporator is blocked Replace if failed ...

Page 30: ...pressor Replace the main PCB No voltage Check whether the indoor outlet inlet of the unit is blocked or the vent is blocked Check whether the Evap is frosting and the compressor stops frequently Check the speed of motor Check leakage Recycle refrigerant and braze the leakage point Vaccum and recharge Check the drainage Check whether the Cond is frosting and the compressor stops frequently Check th...

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