Nobu NBFS-48IDU Скачать руководство пользователя | Manualshive

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use of remote controller

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Содержание NBFS-48IDU

Страница 1: ...English NBFS 48IDU NBFS 48ODU MODELS Service Manual Floorstanding Air Conditioning Unit Floorstanding Air Conditioning Unit ...

Страница 2: ...Table of Contents 1 Summary 3 2 Installation 4 3 Exploded view and part list 21 4 Operation principle 23 5 24 7 Display fault 33 8 Troubleshooting 37 Wiring diagrams 6 PCB function 26 ...

Страница 3: ...1 Summary ...

Страница 4: ...nstalled by anybody who is not thoroughly familiar with this type of installation Please contact a professional installer if necessary ACCESSORIES SUPPLIED WITH THE UNIT No Part Name Q ty Remark No Part Name Q ty Remark 1 Installation Plate 1 6 Battery 2 2 Remote Controller 1 7 Nail 4 3 Remote Holder 1 8 Screw 4 O P T I O N A L ACCESSORIES ACCESSORIES NOT SUPPLIED WITH THE UNIT No Part Name Q ty D...

Страница 5: ...NOMENCLATURE AND FUNCTIONS OF VARIOUS PARTS Because there are many models features and appearance will vary only introduce the follow pattern Others please refer to using Indoor Units ...

Страница 6: ...Features and appearance will vary all the figure give a demonstration to introduce the function Operation Panel Outdoor Units ...

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Страница 8: ...use of remote controller ...

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Страница 10: ...ontroller and press CLOCK button and it displays 0 00 Press HOUR button once to increase 1 hour After setting the hour press MIN button once to increase 1 minute After setting press CLOCK button again to complete setting To set again repeat the above steps When the remote controller doesn t work press RESET button to cancel the display ...

Страница 11: ...hours To cance the setting press the TIMING button again Under standby state only TIMING OFF function can beset Timing ON operation Set the ON time and the air conditioner will automatically start at the set time Whi e the air conditioner is at standby state press TIMING button and the air conditioner enters timing OFF state and TIMING ON and TIMING lamps will be on Press or button to set the desi...

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Страница 21: ...3 indoor explosive view for 40k ...

Страница 22: ...outdoor explosive view for 40k ...

Страница 23: ...d separator 14 low pressure switch 15 high pressure switch 16 pipe temp sensor for condenser Cooling cycly compressor 4 way value condenser flow divider for condenser Non return valve cooling capillary high pressure valve flow divider for evaporator evaporator low pressure valve 4 way value Vapor liquid separator compressor Heating cycly compressor 4 way value low pressure valve evaporator flow di...

Страница 24: ...5 CIRCUIT DIAGRAM 43K INDOOR ...

Страница 25: ...43K OUTDOOR ...

Страница 26: ...hrough the electric control board and the indoor blower fan is running at set speed When the temperature of coil pipe of the indoor units is more than 10 or room temperature less than or equal to set temperature and the compressor has shutdown for more than three minutes the compressor and outdoor blower fan start to run and the indoor blower fan is running at set speed When the temperature of coi...

Страница 27: ...all meet one of the following conditions shutdown the indoor blower fan Tr 26 TP1 50 change mode When the temperature of coil pipe of indoor units is more than or equal to 56 the outdoor blower fan shuts down and it enters the overload protection when the temperature of coil pipe of indoor units is less than or equal to 52 the outdoor blower fan starts up and it exit the overload protection When t...

Страница 28: ...start up start up 2 MIN 2 MIN start up lower speed lower speed b l o w e r f a n start up start up start up start up outdoor blower fan start up start up COMPRESSOR Tp1 26 and Tp1 Tr 5 Tp1 Tr 5 1 1 6 c o m p r e s s o r indoor blower fan Tr ...

Страница 29: ...way valve 2 Outdoor PCB for defrost In the heating mode the unit defrost by outdoor control board unit start defrost shall all meet the following conditions a compressor continuous running over 7 minutes b defrost relay shut off 5 c compressor cumulate running time over 50 minutes first defrost interval time is 50 minutes later defrost interval time decided by last defrost time Defrost time minute...

Страница 30: ... temperature in great deal The air conditioner automatically repeats on and off circulation according the room temperature which is shown in the following figure indoor blower fan C C d o o r b l o w e r f a n Tr shutdown shutdown shutdown shutdown shutdown shutdown shutdown shutdown shutdown shutdown low speed Tr 10 shutdown start up start up start up start up start up start up start up start up ...

Страница 31: ...m p r e s s o r o u t d o o r b l o w e r f a n d o o r b l o w e r f a n Automatic mode Conditions for entering the automatic running mode are After power up for the first time or shutdown for two hours start up and select the automatic operating mode the working mode depends on Tr and if the working mode had set it doesn t change by Tr and the default set temperature is 25 T r m o d e 26 C 2 1 2...

Страница 32: ...he key when the remote controller is out of work or missing When pressing down the forcible execution key then power up and enter the self check program low pressure switch control function for 7 5KW and 12kw unit 1 low pressure switch didn t detect for three minutes after compressor start up 2 if low pressure switch continuous act three minutes during compressor start up unit stop running 3 if lo...

Страница 33: ...resistance of sensor is normal otherwise replace it 2 Check whether the sensor wire is short circuit or open circuit and whether the plug is well contacted whether there is welding off or rosin joint on the electric control board repair it if there is any above 3 When the 1 and 2 are both normal then the components or integrated circuit is damaged the electric control board should be replaced F3 3...

Страница 34: ...e electric control board repair it if there is any above 3 When the 1 and 2 are both normal then the components or integrated circuit is damaged the electric control board should be replaced F7 7 light The outdoor unit coil pipe temp sensor fault 1 Check whether the resistance of sensor is normal otherwise replace it 2 Check whether the sensor wire is short circuit or open circuit and whether the ...

Страница 35: ...t 1 The evaporator temp protection 1 Check whether the filter of indoor unit is too dirty and it should be cleaned when it is too dirty 2 Check whether it has barrier around indoor unit it should be remove if it has 3 Check whether the indoor motor is damaged it should be replaced motor or electrical control board when it is damaged P2 light 2 overheat over current protection of inverter module 1 ...

Страница 36: ...ol board should be replaced PA light 10 The evaporator coil high temp protection 1 Check whether the condenser of outdoor unit is too dirty and it should be cleaned when it is too dirty 2 Check whether it is running at bad condition long time 3 Check whether senor and wire are normal PC light 11 The outdoor ambient high temp protection 1 Check the outdoor ambient temperature is too high or there i...

Страница 37: ...rd is defective Replace P C board Connect CN properly Replace TA sensor Is CN TP1 sensor connector connected properly Is TP1 sensor resistance value 5KΩ at 25 normal Indoor P C board is defective Replace P C board Connect CN properly Replace TC sensor YES YES YES YES NO NO NO NO Indoor Tr sensor error Indoor TP1 sensor error ...

Страница 38: ...oilvoltage Inspects the electrically controlled board direct current 12V outputvoltage is whether normal Inspects electrically controlled board direct current 5V to outputnormally otherwise In measurement room ventilator electrical machinery coil resistance The survey step enters synchronization the electrical machinery coilresistance The waiting power supply or relates with the electric power com...

Страница 39: ...es compressor stop after a while Is gas quantity normal Check gas pressure Microcontroller is defective or miniature relay is defective Is resistance value of room sensor Tr and heat exchanger sensor TP1 normal Room sensor or heat exchanger sensor is defective Replace room sensor or heat exchanger sensor Compressor is defective Capacitor is defective Overload relay is defective Compressor is defec...

Страница 40: ... START STOP button Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio Does indoor unit start to operate by automatic restart function Is transmission mark indicated Does indoor unit beep and operate Remote control is defective Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight Replace batteries Normal operation Repla...

Страница 41: ...NO Does the beeper beep Is the display all off Check the connector on display PCB connected to control PCB Check the display PCB itself Is the unit display normal Does outdoor unit run Does the compressor run normally Check the failure code according to the failure table Normal Check the compressor wires and it s capacitor YES YES YES YES YES NO NO NO Does the control ok Does the control PCB ok Co...

Страница 42: ...Floorstanding Air Conditioning Unit ...

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