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11 

Trouble-shooting, fault analysis and customer service

11.1  Troubleshooting and customer service

The unit and components are manufactured using state-of-the-art production methods and tested several

times to verify that they function correctly. However, if malfunctions do occur, please check the functions as

detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Trouble-

shooting and customer service" in both operating manuals. Please inform your dealer if the unit is still not

working correctly after all function checks have been performed!

Operational malfunctions

Malfunction

Possible causes

Checks

Remedial measures

The unit does not start or

switches itself off

Power failure, under-

voltage, defective mains

fuse / main switch in

OFF position

Does all other electrical

equipment function cor-

rectly?

Check the voltage and if

necessary, wait for it to

come back on

Damaged power supply

Does all other elec.

equipment function cor-

rectly?

Repair by specialist firm

Wait time after switching

on is too short

Have approx. 5 minutes

elapsed since the

restart?

Schedule longer wait

times

Temperature outside

operating range

Are the fans in the indoor

unit and outdoor unit

working correctly?

Observe temperature

ranges of indoor unit and

outdoor unit

Electrical surges caused

by thunderstorms

Have there been light-

ning strikes in the area

recently?

Switch off the mains

breaker and switch it

back on. Have it

inspected by a specialist

Malfunction of the

external condensate

pump

Has the pump shut down

due to a malfunction?

Check and if necessary

clean the pump

The unit does not

respond to the remote

control

Transmission distance

too far / receiver affected

by interference

Does the indoor unit

beep when pressing a

key?

Reduce the distance to

less than 6 m or change

position

Remote control is faulty

Is the unit running in

manual mode?

Replace the remote con-

trol

Receiver or transmitter

unit exposed to exces-

sive solar radiation

Does it function correctly

in the shade?

Place the receiver and/or

transmitter unit in the

shade

Electromagnetic fields

are interfering with trans-

mission

Does it function after

removing potential

sources of interference?

Signal is not transmitted

when interference

sources are operational

Key on remote control

stuck / dual key opera-

tion

Does the "Transmitting"

symbol appear on the

display?

Release the key / only

press one key

Batteries in remote con-

trol are flat

Have new batteries been

inserted? Is the display

incomplete?

Insert new batteries

 

 

 

 

 

37

Содержание JBW 260 DC AT

Страница 1: ...d operating instructions Read the instructions prior to performing any task REMKO JBW DC JBW 260 DC JBW 350 DC JBW 520 DC Inverter wall mounted room air conditioner with split design 0113 2017 07 Edit...

Страница 2: ...g inal Read these operating instructions carefully before commis sioning using this device These instructions are an integral part of the system and must always be kept near or on the device Subject t...

Страница 3: ...s prior to installation 19 5 2 Wall openings 19 5 3 Installation materials 19 5 4 Selection of installation location 20 5 5 Minimum clearances 22 5 6 Oil return measures 23 5 7 Connection variants for...

Страница 4: ...hutdown 44 14 Exploded view and spare parts lists 45 14 1 Exploded view Indoor unit 45 14 2 Spare parts list Indoor unit 46 14 3 Exploded view of the outdoor unit 47 14 4 Spare parts list Outdoor unit...

Страница 5: ...ded may be fatal or cause serious injury WARNING This combination of symbol and signal word warns of a potentially hazardous situation which if not avoided may be fatal or cause serious injury CAUTION...

Страница 6: ...walls or floors n Mobile units must be set up securely on suit able surfaces and in an upright position Sta tionary units must be permanently installed for operation n The units and components should...

Страница 7: ...otection and recycling Disposal of packaging All products are packed for transport in environ mentally friendly materials Make a valuable contri bution to reducing waste and sustaining raw mate rials...

Страница 8: ...power consumption heating 2 kW 0 73 1 00 1 58 Electrical rated current consumption heating 2 A 3 30 4 43 6 50 Power consumption annual QHE 3 kWh 878 1189 1727 Energy efficiency ratio heating 2 A A A M...

Страница 9: ...g max height m 5 Refrigerant connection Liquid line Inche s mm 1 4 6 35 1 4 6 35 1 4 6 35 Refrigerant connection Suction pipe Inche s mm 3 8 9 52 3 8 9 52 1 2 12 70 Dimensions H W D mm 540 720 260 540...

Страница 10: ...DC AT 540 720 260 539 280 JBW 520 DC AT 535 802 298 546 316 Indoor units A B C Fig 2 Indoor unit dimensions JBW 260 DC IT 520 DC IT All measurements in mm Measurements mm A B C JBW 260 DC IT 350 DC IT...

Страница 11: ...y an infrared remote control The outdoor unit consists of a cooling cycle with compressor fin condenser condenser fan reversing valve and throttle element The outdoor unit is controlled by the regulat...

Страница 12: ...o the remote control in preparation To do so remove the flap from the battery compartment and insert the batteries the correct way around see mark ings Removing the batteries causes all stored data to...

Страница 13: ...Mid and high High fan stage 4 and keys The key increases the desired temperature to 32 C in 0 5 C increments The key decreases the desired temperature to 16 C in 0 5 C increments 17 COOL key Activate...

Страница 14: ...cts the fan speed and air outlet temperature that is ideal for the user s well being based on the current room temperature 7 SILENCE key SILENCE mode is activated deactivated by pressing this key By l...

Страница 15: ...H key When the remote control is clapped shut this key is used to adjust the vertical air control fins and to activate the vertical swing operation If the remote control is still open this key will no...

Страница 16: ...to reach the setpoint set on the remote control Automatic Cooling Dehumidification Heating and Recirculation modes Make sure that the indoor unit is connected to the power supply and is switched on 1...

Страница 17: ...time and the TIMER OFF key to set the Auto off time for the unit Setting the Auto on time 1 Press the TIMER ON key The remote con trol shows TIMER ON the last Auto on time setting and the symbol H ap...

Страница 18: ...mer function is restricted to the following settings 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 and 24 SLEEP function In this...

Страница 19: ...ing the oil return if the outdoor unit is located above the indoor unit see section Oil return measures n Add refrigerant if the basic length of the refrig erant piping exceeds 5 metres For the quanti...

Страница 20: ...o build a small roofed area over the unit These measures should not affect the flow of warm outlet air Wind If the unit is being installed in windy areas ensure that the warm outlet air is discharged...

Страница 21: ...2 1 K 3 W 3 Fig 18 Installation inside buildings K Cold fresh air W Warm air 1 Outdoor unit 2 Additional fan 3 Air shaft 21...

Страница 22: ...distribution 2 1 2 1 A B C D E E C A B F IT AT Fig 19 Minimum clearances of the indoor unit and outdoor unit AT Outdoor unit IT Indoor unit 1 Air inlet 2 Air outlet Indoor units Outdoor units Measure...

Страница 23: ...Connection variants for the indoor unit The following connection variants can be used for the refrigerant condensate and control lines A D C B 1 2 Fig 21 Connection variants A Outlet on the wall right...

Страница 24: ...of a wall bracket taking into consideration the air outlet side located in the lower part 1 Mark the mounting points on the structurally permissible building sections according to the dimensions of th...

Страница 25: ...n the operating manual for the indoor unit 3 Use the wall or floor brackets to fit the out door unit against structural parts approved to support the static load refer to the installa tion instruction...

Страница 26: ...ical lines and refrigerant piping The con nections of the individual circuits must not be mixed up Mixing up the assignment of control lines and refrigerant piping can have fatal con sequences compres...

Страница 27: ...has been made successfully the leak test is carried out with dry nitrogen Leak testing involves spraying a leak detection spray onto the connections If bubbles are visible the connections have not be...

Страница 28: ...g than those with a high greenhouse potential This device contains refrigerant with a greenhouse potential of 2088 That means the escape of 1 kg of this refrig erant has an effect on global warming th...

Страница 29: ...it against frost The lower part of the housing and condensate tray is also to be kept frost free in order to ensure permanent draining of the condensate If necessary fit a pipe heater n Following ins...

Страница 30: ...contact Tighten as required 8 2 Connecting the indoor unit n We recommend that a mains repair switch be installed near the outdoor unit n The terminal blocks for making the connections are located at...

Страница 31: ...Outdoor unit connection 8 4 Electrical wiring diagram Connection JBW 260 DC 520 DC B A 230V 1 50 Hz L N S L N S PE PE 2 1 Fig 33 Electrical wiring diagram A Outdoor unit JBW 260 DC AT 520 DC AT B Indo...

Страница 32: ...L N PE L N PE L N S L N S L N WH BK PE PE B A C 1 2 3 Fig 34 Electrical wiring diagram A Outdoor unit B Indoor unit C Condensate pump KP 6 KP 8 1 Power supply 2 Condensate pump supply 3 Condensate pum...

Страница 33: ...10 11 Fig 35 Electrical drawings A Power supply 230V 1 50 Hz B Connection to the outdoor unit 1 DC evaporator fan motor 2 AC evaporator fan motor 3 WiFi module not available 4 Display board 5 Swing m...

Страница 34: ...T schwarz braun blau schwarz g g 2 A 1 3 4 5 6 7 8 9 10 11 Fig 36 Electrical drawings A Connection to indoor unit 1 AC evaporator fan motor 2 DC evaporator fan motor 3 4 way valve 4 Drainage heater 5...

Страница 35: ...for the indoor unit and outdoor unit when commissioning the entire system Once all the components have been connected and tested the system can be put into operation A functional check should be perfo...

Страница 36: ...an speed and lowest target temperature 8 Check the overheating outside inside outlet and vaporisation temperatures and record the measured values in the commissioning report Check the correct function...

Страница 37: ...nge Are the fans in the indoor unit and outdoor unit working correctly Observe temperature ranges of indoor unit and outdoor unit Electrical surges caused by thunderstorms Have there been light ning s...

Страница 38: ...tdoor unit been correctly positioned De ice and fit the probe at the point where the most ice forms Condensate discharge on unit Drainage pipe on collec tion container clogged damaged Can the condensa...

Страница 39: ...er supply to the unit and switch it on again Is the fault still present Contact specialist company F3 Compressor fault Is the compressor faulty Check the winding resistances Has the elec trical wiring...

Страница 40: ...sor windings Are they OK NO Replace the compressor Fault F5 Compressor overtemperature has tripped Check the indoor unit and outdoor unit heat exchangers for cleanliness Is the air exchange guaranteed...

Страница 41: ...on as this is normal again YES Check all electrical connections Are they OK NO Correct the electrical connections YES Replace the outdoor unit motherboard Fault F9 EEPROM error Switch the unit off for...

Страница 42: ...ded that you take out a mainte nance contract with an annual service from an appropriate specialist firm This enables you to ensure the operational reli ability of the plant at all times NOTICE Statut...

Страница 43: ...so turn the dirty side so it is facing upwards 5 Dirt can also be removed by carefully cleaning with lukewarm water and mild cleaning agents Fig 39 The dirty side should be face down 6 If water is us...

Страница 44: ...ctrical power supply to the unit 4 Cover the unit as far as possible with plastic foil in order to protect it from the influences of weather Permanent shutdown Ensure that units and components are dis...

Страница 45: ...EEP HEALTH ECO DISPLAY AUTO COOL DRY HEAT FAN RUN ROOM PIR AUTO SILE POWERCON iFEEL SWING SPEED OFF Anti F iCLEAN LOCK ELE H SPOT iFEEL iCLEAN Anti F SLEEP SILENCE TURBO HEALTH SPEED ON OFF MODE Fig 4...

Страница 46: ...Display board 5 Trim 6 Side section housing left 7 Side section housing right 8 Air outlet fins horizontal 9 Air outlet fins vertical 10 Evaporator 11 Fan wheel 12 Rubber mount fan rotor 13 Housing re...

Страница 47: ...utdoor unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Fig 41 Exploded view of the unit JBW 260 DC AT 520 DC AT We reserve the right to modify the dimensions and design as part of the ongoing techni...

Страница 48: ...er 5 Side section housing left 6 Reactor 7 Partitioning panel 8 Cover panel 9 Condenser 10 Compressor cpl 11 Base plate 12 Control board 13 4 way valve 14 Shut off valve injection pipe 15 Shut off val...

Страница 49: ...als 19 Intended use 6 K Keys on the remote control 13 14 M Maintenance 42 Malfunctions Checks 37 Possible causes 37 Remedial measures 37 Manual mode 12 Minimum clearances 22 O Oil return measures 23 O...

Страница 50: ...REMKO JBW DC 50...

Страница 51: ......

Страница 52: ...t as advisers to our customers in air conditioning and heating technology SFlbCustomer Service Our equipment operates precisely and reliably However in the event of a fault REMKO customer service is q...

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