Kaisai R ON-OFF series User Manual Download Page 48

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9.2.6 Indoor / outdoor units communication error

Reconnect and retest

Replace outdoor e-box.

Yes

Correct the connection

Yes

The unit does not work normally.

Check the wiring between indoor and outdoor

unit. Is the connection of L, N, S and GND good?

Is the LED4(red) bright and LED1(yellow)

blinking on outdoor PCB?

The power supply for outdoor PCB is fail.

Check the wiring on outdoor PCB

comparing with wiring plate. Is the

connection good?

The unit does not

work normally.

Turn off the power supply, after 1 minute, connect the

power supply , turn on the unit with remote controller

Replace indoor PCB

and repower on. Is the

failure cleared?

Summary of Contents for R ON-OFF series

Page 1: ...SPLIT WALL MOUNTED TYPE R ON OFF SERIES...

Page 2: ...ting the cables 19 6 3 Pipe length and the elevation 20 6 4 Air purging with vacuum pump 21 6 5 Pumping down Re installation 22 6 6 Re air purging Re installation 23 6 7 Balance refrigerant of the 2 w...

Page 3: ...le or repair the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk...

Page 4: ...uring operation There is risk of fire or electric shock Do not place anything on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug during operation Th...

Page 5: ...ion that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of f...

Page 6: ...preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may ca...

Page 7: ...es of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fi...

Page 8: ...6 2 Function...

Page 9: ...vent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Room temperature sensor Pipe temperature sensor Indoor units Operation by remote controller Sensing...

Page 10: ...he valves and prevents water from dripping Outdoor units Power relay control Valve protection cover Made from electrolytic zinc steel sheet and anti rust coated components Low noise air flow system An...

Page 11: ...9 3 Dimension 3 1 Indoor Units Figure 1 Figure 2...

Page 12: ...10 Figure 3 Figure Models W D H Figure 1 7k 9k 710 189 250 Figure 2 18k 930 198 275 Figure 3 21k 24k 1036 230 315...

Page 13: ...11 3 2 Outdoor Units Model W H D B C F 7k 685 430 260 460 276 57 9k 700 535 235 458 250 60 18k 760 590 285 530 290 63 21k MOP 21H QB6W 820 330 595 523 340 50 21k 24k 845 695 335 560 335 73...

Page 14: ...12 4 Refrigerant Cycle Diagram For heat pump models...

Page 15: ...13 5 Wiring Diagram 5 1 Indoor Units KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2 A KSR1 18HRN1 QB8...

Page 16: ...14 KSR1 21HRN1 QB8W KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W...

Page 17: ...15 5 2 Outdoor Units KOK1 07HN1 QC2 KOA1 09HN1 QC2...

Page 18: ...16 KOE 18HN1 QB8...

Page 19: ...17 KOF 21HN1 QB8W K0F2 21C QB6W KOP 21H QB6W...

Page 20: ...18 KOF2 24HN1 QB8W...

Page 21: ...00 479kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectional area mm 3 and 6 0...

Page 22: ...um pump 7k 9k 18k More than 5m Use vacuum pump Pipe length 5 30g m 21k 24k More than 5m Use vacuum pump Pipe length 5 60g m Model Standard length m Max Elevation B m Max Length A m 7k 9k 5 5 10 18k 5...

Page 23: ...Close Manifold valve Compound meter Pressure gauge 76cmHg Handle Lo Charge hose Charge hose Outdoor unit Close Three way valve Procedure 1 Completely tighten the flare nuts of the indoor and outdoor...

Page 24: ...water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipe...

Page 25: ...the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa 8 Disconnect the charge set and amount the 2 way and 3 way valve s stem nuts and service port...

Page 26: ...connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and...

Page 27: ...r than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa Discharge the refrigeration gradually if it is discharged too suddenly the refrigeration oil will be discharged 6 8 Ev...

Page 28: ...the charge set to purge the air be careful of the liquid refrigerant 3 Open the valves Low side on the charge set and charge the system with liquid refrigerant 4 Disconnect the charge hose from the 3...

Page 29: ...the unit to function abnormally 2 Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may attract condensation Please set t...

Page 30: ...ation on indoor display board Auto indicator This indicator illuminates when the air conditioner is in AUTO operation Timer indicator This indicator illuminates when TIMER is set ON OFF PRE DEF Indica...

Page 31: ...models I3SEC 10 0A I5min 8 5A IFAN 6 5A IRESTORE 5 5A for KSR1 09HRN1 QC2 A models I3SEC 16 0A I5min 15 0A IFAN 14 0A IRESTORE 12 0A for KSR1 18HRN1 QB8 models I3SEC 16 0A I5min 15 0A IFAN 11 0A IREST...

Page 32: ...utdoor fan and compressor stop 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling...

Page 33: ...8 4 2 2 Outdoor fan running rules The On off outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode...

Page 34: ...for 21k 24k heat pump models T3 TE10 Off On TE11 When T3 TE10 the compressor will shut off When T3 TE11 the compressor will restart TE10 65 TE11 55 8 4 3 Heating Mode 8 4 3 1 Compressor running rules...

Page 35: ...off because off the room temperature rising or the protection the indoor fan will run as below rule For 21k model For 24k model While TE14 32 For all the models when the compressor is on the indoor f...

Page 36: ...Condition of defrosting AC will enter defrosting mode if any of the following items is satisfied 1 Both A and B are satisfied A The compressor keeps running for 40 minutes B The evaporator coil temp T...

Page 37: ...e setting value 2 The compressor current reaches or overs IDEFROST for 7 seconds IDEFROST 3 5A for 7k 9k models IDEFROST 7 5A for 18k models Defrosting action About the setting defrosting time 1 Condi...

Page 38: ...is on in high T2 protection cumulates up to 90 minutes Condition of ending defrosting If any one of the following items is satisfied the defrosting will terminate and the machine will turn to normal...

Page 39: ...37 For 21k 24k models While TE7 63 TE8 57 TE9 50 for KSR1 21HRN1 QB8W model TE7 63 TE8 54 TE9 50 for KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W models...

Page 40: ...he forced auto button 2 If AC is off it will run in auto mode when timer on function is active 3 After setting the mode AC will run in auto mode if the compressor keeps not running for 15 minutes 8 4...

Page 41: ...de The action of forced auto mode is the same as normal auto mode with 24 setting temperature When AC receives signals such as switch on switch off timer on timer off mode setting fan speed setting sl...

Page 42: ...off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the...

Page 43: ...41 indoor fan restarts after malfunctions being eliminated and anti cold wind being released Ionizer will be available again...

Page 44: ...mes O EEPROM error Zero crossing detection error For 21k 24k models Operation lamp Timer lamp Defrosting lamp Auto lamp Failure X Over current protection occurs 4 times X X X The T2 sensor is open cir...

Page 45: ...ally Turn off the unit rotate the cross fan Does it rotate freely No Disassemble the connection between fan and motor check if the bearing is normal If not change the bearing If yes follow the below s...

Page 46: ...lem remains Disconnect with the power and replace the main PCB Check if the compressor is normal Replace the compressor Check if the capillary is blocked There is some air mixed inside the refrigerant...

Page 47: ...tion error When such failure occurs the main control board must have fault Replace indoor PCB Shut off the power supply and turn on it 5s later The problem comes out again Is the EEPROM chip plugged i...

Page 48: ...e connection of L N S and GND good No Is the LED4 red bright and LED1 yellow blinking on outdoor PCB The power supply for outdoor PCB is fail Check the wiring on outdoor PCB comparing with wiring plat...

Page 49: ...he outdoor unit is power on Measure whether the voltage of the communication line s red and black end between the indoor and outdoor unit is 5V Replace indoor PCB Replace the outdoor unit board No Yes...

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