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DM-8

Monosplit “Wall” Personal Line Constant Speed - Section 6: Diagnostic & Maintenance

YES

Case 6: Indoor Unit does not operate

A malfunction occurs.

Is the power applied

to the Unit?

Check power supply

cables and interconnection

wires.

Check interconnection

wires between Indoor

Unit and Outdoor Unit.

Press ON/OFF button on

IR remote control.

Is power supply normal?

Check the voltage between

“L” & “N” of terminal block.

Does the beeper

beep?

Is Indoor Unit’s

display OFF?

Check PCB Display’s wiring

on control PCB of Indoor Unit.

Is remote control OK?

IR remote control

is defective.

Is Indoor Unit’s

Control PCB OK?

Replace Control PCB.

Is Indoor Unit’s Display

normal?

Does Outdoor Unit operate?

Check compressor.

Is operation OK?

Check: cables

and compressor

condenser.

Normal.

Does Indoor Unit

operate?

Check Error Codes

on the Table.

Содержание HCND 261 G

Страница 1: ...Technical Manual 07 2010 VA1 Monosplit Wall type Air Conditioners Personal Line Constant Speed Models Outdoor Units HCND 261 G HCND 351 G HCND 531 G Indoor Units HKED 261 G HKED 351 G HKED 531 G ...

Страница 2: ...26 1 11 SUGGESTIONS FOR ECONOMIC USE OF SYSTEM IG 27 2 GENERAL TECHNICAL DATA DG 1 2 1 SPECIFICATIONS DG 1 2 2 DIMENSIONS OF UNITS DG 4 2 3 REFRIGERANT CIRCUIT DIAGRAM DG 9 3 ELECTRICAL DATA DE 1 3 1 WIRING DIAGRAMS DE 1 3 2 R T FEATURES OF TEMPERATURE SENSORS DE 4 4 CONTROL FUNCTIONS FU 1 5 INSTALLATION IN 1 5 1 CHECKS AND PRELIMINARY OPERATIONS IN 3 5 2 INSTALLATION OF INDOOR UNITS HKED 261 351 ...

Страница 3: ... serious personal injuries caused by electric shocks disconnect the power cable of Units before whatever intervention of repairing or maintenance WARNING In order to avoid the risk of death or of serious personal injuries caused by electric shocks NEVER tamper with the ground wire for any reason The appliance must always been equipped with a ground wire Do not remove the Safety label referred to g...

Страница 4: ... wide range of options that is The possibility to program Timer operation Timer On or Timer Off of system within max 24 hours by steps of 1 hour By SLEEP function noise level of Indoor Unit can be reduced as well as power consumption This operation option that foresees rotation of Indoor Unit s fan at Low speed and gradual correction of temperature set by remote control is available both in Coolin...

Страница 5: ...of the humidity left over on Indoor Unit s heat exchanger This logic of operation is in order to prevent humidity stagnation and the consequent forming of mould on Indoor Uni s heat exchanger â Operation in Heating mode with very low temperature These systems are able to operate in Heating mode also if outdoor temperature is very low in fact the lowest value of operating range in Heating mode is 1...

Страница 6: ... a malfunction of the system As a consequence of this it is always possible to carry out an instant monitoring of the system s operation status LED Display which is always lighted up on these Models of Indoor Units intensifies its brightness for about 10 secondes each time operation settings are changed by IR remote control At the end of this time interval LED Display s brightness softens However ...

Страница 7: ...th 2 digits Timer Indicator of starting up of Timer function and corresponding remaining time E_ Error Codes Indication on LED Display with 2 digits Logic control of horizontal air outlet flap Control of indoor fan and of set temperature for reducing noise level and electric power consumption Sleep function for reducing noise level In environments with high humidity this function allows to restore...

Страница 8: ...n expressly redrawn Outdoor fan with silent shape Aluminium fins of outdoor heat exchanger ensure a higher efficiency in heat exchange Special fins in treated aluminium It absorbs energy during operation in Heating mode only Protection against compressor s overload Anticorrosive surface treatment of chassis Protection covers for electrical refrigerant connections Operation in Heating mode up to 15...

Страница 9: ...neral Information 1 3 APPEARANCE OF UNITS Indoor Units Wall Personal Line Constant Speed On Off Model HKED 261 G Frontal board standard White by factory Model HKED 261 G Frontal board optional Black HSD 1 BCK Model HKED 261 G Frontal board optional Gold HSD 1 GLD ...

Страница 10: ...onal Line Constant Speed Section 1 General Information Indoor Units Wall Personal Line Constant Speed On Off Model HKED 261 G Frontal board optional Silver HSD 1 SLV Model HKED 261 G Frontal board optional Light Blue HSD 1 LBL ...

Страница 11: ...Section 1 General Information Indoor Units Wall Personal Line Constant Speed On Off Model HKED 351 G Frontal board standard White by factory Model HKED 351 G Frontal board optional Black HSD 2 BCK Model HKED 351 G Frontal board optional Gold HSD 2 GLD ...

Страница 12: ...onal Line Constant Speed Section 1 General Information Indoor Units Wall Personal Line Constant Speed On Off Model HKED 351 G Frontal board optional Silver HSD 2 SLV Model HKED 351 G Frontal board optional Light Blue HSD 2 LBL ...

Страница 13: ...Section 1 General Information Indoor Units Wall Personal Line Constant Speed On Off Model HKED 531 G Frontal board standard White by factory Model HKED 531 G Frontal board optional Black HSD 3 BCK Model HKED 531 G Frontal board optional Gold HSD 3 GLD ...

Страница 14: ...onal Line Constant Speed Section 1 General Information Indoor Units Wall Personal Line Constant Speed On Off Model HKED 531 G Frontal board optional Silver HSD 3 SLV Model HKED 531 G Frontal board optional Light Blue HSD 3 LBL ...

Страница 15: ...IG 13 Monosplit Wall Personal Line Constant Speed Section 1 General Information Outdoor Units Personal Line Constant Speed On Off Model HCND 351 G Model HCND 261 G ...

Страница 16: ...IG 14 Monosplit Wall Personal Line Constant Speed Section 1 General Information Outdoor Units Personal Line Constant Speed On Off Model HCND 531 G ...

Страница 17: ...r Outdoor Unit Air outlet b Panel s closing Press both sides of panel and pull the panel towards you till max opening angle about 60 as regards vertical position Never force the panel more than max opening angle Below the panel there is the Emergency Button which allows operation in Auto Mode if IR remote control is not available Push the panel downwards till closing position indicated by the clic...

Страница 18: ...n remote control s LCD Display please refer to the User Manual provided with Indoor Units or to the following pages For a detailed explication about options and operation modes of system please refer to the User Manual provided with Indoor Units Concerning these Models HKED HCND 261 351 531 G On Off even if TURBO button and LAMP button are available on remote control they refer to unavailable func...

Страница 19: ...ed by the User To select operation mode AUTO COOL DRY HEAT FAN In COOL and HEAT modes if you press this button operation in Turbo mode is started up This function is not available on these Models On Off To programme the automatic start TIMER ON or the automatic stop TIMER OFF of system To select position of motorized louvers for air outlet in horizontal direction left right Flaps may swing continu...

Страница 20: ...symbol indicates that AUTO Mode has been selected This symbol indicates that COOL Mode has been selected This symbol indicates that DRY Mode has been selected This symbol indicates that HEAT Mode has been selected This symbol indicates that FAN Mode has been selected It indicates that SLEEP mode has been selected In COOL and HEAT modes this indicator lights up if TURBO mode has been selected This ...

Страница 21: ...in a maximum angle of 30 on the right or on the left of receiver If remote control is fixed on its wall bearing it will work within a side max distance of 0 5 metres on the right or on the left of receiver If IR receiver on Indoor Unit is exposed to direct sunlight remote control and consequently the air conditioner may not work properly In order to avoid interferences keep remote control at least...

Страница 22: ...tart stop is displayed The same remaining interval time is displayed on remote control s LCD Display While automatic defrosting is in progress with reversal of refrigerant cycle as regards operation in Heating mode LED Display shows dF indication If control electronics diagnoses a malfunction which is in the list of codified malfunctions LED Display shows the corresponding Error Code E _ For the l...

Страница 23: ...uld coat and clog the indoor heat exchanger Besides scalings of saltness could form on the Outdoor Units installed in sea surroundings if not removed they will damage the Units in a very short time In both cases please contact the Authorized Technical Service to require frequent maintenance Use of the air conditioner out of the above mentioned temperature range could cause the intervention of buil...

Страница 24: ... can be set by remote control If system is OFF SWING button does not start any function Do not operate system for a long time with horizontal flap completely addressed downwards in Cooling mode and in Dry mode to avoid that condensate forms on the flap itself and that condensate may drip inside the room When air conditioner is started the horizontal flap will start moving after a certain time that...

Страница 25: ...let vertical louver has been set FIxed indicator A fixed position for air outlet vertical louver has been set Note The adjustment of airflow in horizontal direction is available in all operation modes of system CAUTION When the system is OFF AIR FLOW button does not start any function Never try to move vertical louver manually but adjust it by using remote control only In this way Adjstment mechan...

Страница 26: ...his way Emergency operation in AUTO mode will be started up and the system will operate in the most suitable mode according to temperature conditions inside the room with temperature value the so called set point set to 25 C not modifiable value In particolar it occurs the following If room temperature is lower than 21 C operation in HEAT mode will be selected If room temperature is 21 C 26 C oper...

Страница 27: ...sequence and afterwards will go out if no malfunction can be diagnosed by control electronics Otherwise an Error Code E_ will be displayed and at the same time Running LED on frontal panel of Indoor Unit will flash according to the codification referred to the kind of malfunction see Section 6 Diagnostic Maintenance of this Technical Manual ...

Страница 28: ... case only the system cannot automatically restart and it will be necessary to use the IR remote control or the Emergency Button At the end of the blackout the system s operating setting will be the same as when the system stopped Automatic start stop of air conditioner programmed by Timer On Off functions or the starting up of SLEEP function will be cancelled so a new TIMER setting or SLEEP setti...

Страница 29: ...keep door and windows always open This reduces the system s performances and causes an increase in electric power consumption Moreover in case of thermic overload it may occur the intervention of protective automatic functions of appliance with consequent stop of system itself n Limit exposure to sunlight During operation in Cooling mode it is recommended to screen by curtains the windows exposed ...

Страница 30: ... High speed Noise level Indoor Unit H M L 1 m Indoor Unit Dimensions L x H x P Packaging L x H x P mm mm mm inches kg Net Gross Weight Outdoor Unit Drain hose diameter Indoor Unit Operating pressure inside the circuit Refrigerant pipings Wiring between Units Power supply plug Indoor Unit Remote control 16 32 15 24 IR Remote Control Temperature range that can be set Operating temperature range Cool...

Страница 31: ... speed Noise level Indoor Unit H M L 1 m Indoor Unit Dimensions L x H x P Packaging L x H x P mm mm mm inches kg Net Gross Weight Outdoor Unit Drain hose diameter Indoor Unit Operating pressure inside the circuit Refrigerant pipings Wiring between Units Power supply plug Indoor Unit Remote control 16 32 15 24 IR Remote Control Temperature range that can be set Operating temperature range Cooling C...

Страница 32: ...speed Noise level Indoor Unit H M L 1 m Indoor Unit Dimensions L x H x P Packaging L x H x P mm mm mm inches kg Net Gross Weight Outdoor Unit Drain hose diameter Indoor Unit Operating pressure inside the circuit Refrigerant pipings Wiring between Units Power supply plug Indoor Unit Remote control 16 32 15 24 IR Remote Control Temperature range that can be set Operating temperature range Cooling C ...

Страница 33: ...DG 4 Monosplit Wall Personal Line Constant Speed Section 2 General Technical Data 2 2 DIMENSIONS OF UNITS Unit mm Dimensions Model HKED 261 G Width Height Depth 745 250 195 Indoor Unit HKED 261 G ...

Страница 34: ...DG 5 Monosplit Wall Personal Line Constant Speed Section 2 General Technical Data Unit mm Dimensions Model HKED 351 G 800 280 190 Indoor Unit HKED 351 G Width Height Depth ...

Страница 35: ...DG 6 Monosplit Wall Personal Line Constant Speed Section 2 General Technical Data Unit mm Dimensions Model HKED 531 G 900 292 215 Indoor Unit HKED 531 G Width Height Depth ...

Страница 36: ...e Constant Speed Section 2 General Technical Data Unit mm Dimensions Model HCND 261 G 700 500 225 Outdoor Unit HCND 261 G Outdoor Unit HCND 351 G Unit mm Dimensioni Modelli HCND 351 G 795 540 255 Width Height Depth Width Height Depth ...

Страница 37: ...DG 8 Monosplit Wall Personal Line Constant Speed Section 2 General Technical Data Unit mm Dimensions Model HCND 531 G Outdoor Unit HCND 531 G 795 540 255 Width Height Depth ...

Страница 38: ... 261 351 531 G Indoor Unit Outdoor Unit Heat Exchanger Heat exchanger Liquid Side piping Ø6 35 1 4 Room temperature sensor Tr 2 way valve 4 way valve Gas side piping 261 351 Ø9 52 3 8 531 Ø12 7 1 2 3 way valve Compressor Liquid accumulator One way valve Capillary tube Capillary tube Cooling Heating Indoor heat exchanger sensor TP1 ...

Страница 39: ...its HKED 261 G HKED 351 G Flap motor Flap motor Fan motor Power Supply 1 Phase 220 240V 50Hz L N Earthing Terminal block Black Brown Brown Black White Blue Green Yellow Green Yellow Green Earthing 1 2 N 3 4 TO OUTDOOR UNIT Black Orange Red Yellow Green Terminal block Transformer Condenser Varistor Fuse 350V 3 15A LED Display IR Receiver Emergency Button Temperature sensors Tr room temperature TP1 ...

Страница 40: ...ap motor Flap motor Fan motor Power Supply 1 Phase 220 240V 50Hz L N Earthing Terminal block Black Brown Brown Black White Blue Green Yellow Green Yellow Green Earthing 1 2 N 3 4 TO OUTDOOR UNIT Black Orange Red Yellow Green Terminal block Transformer Condenser Varistor Fuse 350V 3 15A LED Display IR Receiver Emergency Button Blue Temperature sensors Tr room temperature TP1 indoor heat exchanger ...

Страница 41: ... HCND 261 351 G 1 5mm2 Models HKED HCND 531 G 2 5mm2 Outdoor Units HCND 261 G HCND 351 G HCND 531 G Fan motor Terminal block TO INDOOR UNIT Condenser Yellow Green Compressor Yellow Green Condenser 4 ways valve coil Thermostat for compressor Yellow Green Earthing Earthing White Black Black White Red Orange Blue Black Blue Blue Blue White Orange 1 2 N 3 4 ...

Страница 42: ...7 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75 78 Standard Resistance kΩ Resistance kΩ Temperature C Key to symbols R T diagram of thermistor resistance depending on temperatures Temperature sensor Tr temperature detected inside the room Temperature sensor TP1 temperatures on Indoor Unit s heat exchanger 3 2 R T FEATURES OF TEMPERATURE SENSORS ...

Страница 43: ...0 15 382 1 11 3 89 53 1 904 1 944 1 984 3 44 1 54 ˉ2 14 170 14 454 14 737 1 15 3 85 54 1 844 1 884 1 923 3 48 1 52 ˉ1 13 591 13 857 14 124 1 18 3 82 55 1 787 1 826 1 865 3 51 1 49 0 13 040 13 290 13 54 1 22 3 78 56 1 732 1 770 1 809 3 54 1 16 1 12 505 12 739 12 974 1 26 3 74 57 1 679 1 717 1 754 3 57 1 43 2 11 995 12 215 12 436 1 30 3 70 58 1 628 1 665 1 702 3 60 1 40 3 11 509 11 717 11 924 1 34 3...

Страница 44: ...ervention of antifrost protection ends compressor and fan on Outdoor Unit will be restarted and Indoor Unit s fan will rotate at set speed 4 Protection against too low temperature on Indoor Unit s heat exchanger If temperature on Indoor Unit s heat exchanger detected by TP1 sensor is 10 C for 3 minutes and compressor has been working continuously for 3 minutes Control PCB on Indoor Unit commands t...

Страница 45: ... s heat exchanger detected by TP1 sensor is 25 C Control PCB on Indoor Unit will command the stop of system as a result of the intervention of protection function for malfunction on Outdoor Unit and Running LED on Indoor Unit will flash again for 4 times 6seconds If during the second interval of 20 minutes temperature on Indoor Unit s heat exchanger detected by TP1 sensor is 25 C or if compressor ...

Страница 46: ...tected by TP1 sensor is lower than 25 C Indoor Unit s fan does not start If temperature on Indoor Unit s heat exchanger detected by TP1 sensor is higher than 25 C but lower than 30 C Indoor Unit s fan will rotate at Ultra Low speed or Breeze fan speed which cannot be selected by User through IR remote control If temperature on Indoor Unit s heat exchanger by TP1 sensor is higher than 30 C but lowe...

Страница 47: ...that if temperature detected by TP1 sensor is at least 63 C forced stop of compressor and fan on Outdoor Unit is commanded and after 2 minutes 4 way valve moves to OFF position Rotation speed of Indoor Unit s fan will correspond to the speed set by IR remote control The intervention of this protection level will end after 6 minutes as soon as normal operation restart of system will be restored in ...

Страница 48: ...ectronics estimates the necessity to carry out automatic defrosting according to time Tvent est variable in this context from 40 minutes to 120 minutes of continuous operation of outdoor fan in Heating mode Automatic defrosting will have a basically longer duration as a direct function of value of Tvent est parameter but it will be necessary to take into consideration another parameter In fact con...

Страница 49: ... s heat exchanger is supposed automatic defrosting is started with reversal of refrigerant cycle as regards operation in Heating mode During automatic defrosting Outdoor Unit s fan and Indoor Unit s fan will be stopped while 4 way valve moves to OFF position position for operation in Cooling mode and compressor will be started While automatic defrosting is in progress LED Display on Indoor Unit wi...

Страница 50: ... the User see below but the air volume treated by Indoor Unit results lower as regards operation in Cooling mode for the reasons that are indicated at the following items 2 Indoor Unit s fan speed is set to Low speed and cannot be modified by the User through IR remote control 3 Temperature Ts is automatically set to 25 C and this value cannot be modified by the User through IR remote control 4 Th...

Страница 51: ...r Outdoor Unit s fan and 4 way valve are OFF 2 Rotation speed of Indoor Unit s fan can be freely selected by using IR remote control and selecting among the following available options High Medium Low 3 If operation in Fan mode is commanded by control electronics when selecting AUTO mode the first selection in Fan mode will be kept also if system is stopped and then restarted within a max room tem...

Страница 52: ...5 C and this value cannot be modified by the User 3 At start in AUTO mode the system s control electronics will select among operation in Heating mode in Fan mode or in Cooling mode according to the detected room temperature value Tr If room temperature is equal or lower than 21 C operation in HEAT mode will be selected If room temperature is higher than 21 C but lower than 26 C operation in FAN m...

Страница 53: ...ns both on Indoor Unit and on IR remote control will go out 4 Timer On function operates according to a simple time meter therefore it is not possible to carry out a real time setting start at h but a setting according to a time interval As time passes by the indication referred to the remaining time interval before the system s start will be decreased by 1 hour s steps As soon as all set time int...

Страница 54: ...oor Unit and on IR remote control will go out 4 Timer Off function operates according to a simple time meter therefore it is not possible to carry out a real time setting stop at h but a setting according to a time interval As time passes by the indication referred to the remaining time interval before the system s stop will be decreased by 1 hours steps As soon as all set time interval has elapse...

Страница 55: ...EEP function This gradually reduces comfort but also allows to decrease power consumption The reduced sound level allows you to rest or to devote yourself to activities that require a silent environment 6 To cancel SLEEP function press again SLEEP button on remote control or stop the system by IR remote control nOperation with Emergency Button 1 If you press Emergency Button placed under Indoor Un...

Страница 56: ... Check quick autodiagnosis of malfunctions You may reach this diagnostic mode by powering the system through main power switch and at the same time by keeping pressed the Emergency Button on Indoor Unit All indicators on Indoor Unit s LED Display will light up in sequence and then will go out if control electronics do not detect any malfunction On the contrary the Error Code E_ will be shown and a...

Страница 57: ... and fires Accurately connect wiring by using the proper cable and ensure that the external force of the cable is not conducted to the terminal connection part through properly securing it improper connection or securing can result in heat generation or fire Take care to insert the electrical cables into the electric box by the bottom side so as to avoid water that may reach the cable to enter the...

Страница 58: ...lve has been added to the vacuum pump This one way valve must be able to operate in case of accidental turn off of the vacuum pump itself i e blackout during air purge operations In particular the gauge manifold the service hoses the torque wrench for tightening of flare connections having 1 2 and 5 8 diameters the flaring tool and the refrigerant cylinder must be exclusively designed for R410A re...

Страница 59: ...s Wall cutter 65mm diameter Fork wrench and adjustable spanner Digital or analogue multimeter Isolation resistance meter Roller pipe cutter Electrical cables Protection cover Rubber pads Pipe clips Adhesive Flexible drain hose Refrigerant pipings Putty Vinyl adhesive tape IR Remote Control Finishing of wall hole I U side For taping cables and pipings Wiring between Units Absorption of vibrations O...

Страница 60: ...ntual weldings in nitrogen atmosphere Delivery of system Test of system Installation of service panels Check of leakages Eventual additional charge Purging method Pressure test Refrigerant pipings Installation of Outdoor Unit Base of Outdoor Unit Wiring Installation of remote controls Insulation Canalization works Drain hose Refrigerant pipings Installation of Indoor Units Assignment of works 1 Ch...

Страница 61: ...n thickness of refrigerant pipings refer to the following table The star indicates tools that have been designed for R410A refrigerant specifically Please keep these tools separately from those that are currently used for other kind of refrigerant Additional charge with R410A refrigerant Check of refrigerant required by system Before starting installation check which refrigerant R410A is required ...

Страница 62: ...t compliance with the instructions listed futher on Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the piping with sharp or pointed objects by crushing or twisting the tubes or scraping off the surfaces coatings If the refrigerant spurts out and gets into eyes this may result in serious injuries Do not obstruct or cover the ventilation grille of th...

Страница 63: ...tions are classified in two types WARNING and CAUTION A strict observance of the Instructions is required to guarantee your personal safety and the safety of the environments where the Units are installed The following Instructions are related to the air conditioner s installation They have been reported also in the USER S MANUAL just to allow the User to check that installation has been properly ...

Страница 64: ... the system by yourself The Units components can be reached only by opening or removing the covering panels and this involves exposure to high voltage Even by disconnecting power supply it is not always possible to avoid the risk of electric shocks Please always contact the Dealer or the Authorized Service Center for installation Never attempt to install the air conditioner by yourself because imp...

Страница 65: ...on on remote control to stop system Do not apply extension cords to power supply cable Do not use rolled power supply cords Never touch system s main switch plugs sockets and Emergency Button with wet hands If you smell something burning immediately turn off the air conditioner by pressing ON OFF button on remote control switch the circuit breaker to OFF or 0 and contact Authorized Technical Servi...

Страница 66: ...e the air conditioner and gas burners Insufficient ventilation may cause lack of oxygen Do not place burners near airflow supplied by Indoor Unit For preventing the risk of electric shocks do not sprinkle water nor other liquid on Indoor Unit Do not clean the Indoor Unit by water spurts Do not expose food plants animals precise devices or works of art to direct airflow supplied by Indoor Unit When...

Страница 67: ...ings towards outside must be easy Air supplied by Indoor Unit must reach whole room n Installation must be avoided in places where there are the following conditions not exhaustive list There are sources of electromagnetic noises TV radio wireless appliances or fluorescent lamps Kitchens with high humidity and vapors oil sprinkles There are considerable sudden changes in power supply voltage 2 Pip...

Страница 68: ... panels Do not suspend Indoor Unit to a fixing plate that is installed on plasterboard wall Select installation position of fixing plate so as all around Indoor Unit that is on four sides appropriate installation and service spaces are available for installation and maintenance operations of Indoor Unit Once installation position of fixing plate has been selected fix the plate temporarily by a wal...

Страница 69: ...IN 13 Monosplit Wall Personal Line Constant Speed Section 5 Installation Indoor Unit HKED 261 G Measures of fixing plate for wall installation Unit cm 48 43 24 2 5 35 39 ...

Страница 70: ...IN 14 Monosplit Wall Personal Line Constant Speed Section 5 Installation Indoor Unit HKED 351 G Measures of fixing plate for wall installation Unit cm 51 43 5 37 5 25 5 4 5 22 5 9 10 5 ...

Страница 71: ...IN 15 Monosplit Wall Personal Line Constant Speed Section 5 Installation Indoor Unit HKED 531 G Measures of fixing plate for wall installation Unit cm 26 58 51 25 5 5 5 ...

Страница 72: ...c material on hole s edges as they are sharp and may damage especially power supply cable and wiring Properly orient Indoor Unit s refrigerant pipe fittings and flexible drain hose 6 Access to terminal block for wiring 43mm Right side direction Rear right direction Left side direction Rear left direction Unit s shape Refrigerant pipe fittings Precut part right side Open precut part Note In case of...

Страница 73: ...ate may form on connection points and water may drip inside the room 7 Fixing of Indoor Unit Temporarily suspension of Indoor Unit on upper hooks of fixing plate Insert a spacer wooden block or other object between Indoor Unit and fixing plate so as to separate the Unit s base from the wall and get space for carrying on work 8 Refrigerant pipings Oil flares back and indoor side of flare nuts by re...

Страница 74: ...back and get to connection terminal block of Outdoor Unit Use cables in accordance with to law only 2 Terminal block can be reached by removing electric box s protection cover which is fixed by a screw placed on Indoor Unit s right side below up and over panel 3 Firmly fix cables on screw terminal blocks and always use the special pipe clips to avoid that any traction on the cable may be sent to t...

Страница 75: ... 1 Phase 220 240V 50 Hz Calibration of circuit breaker and power supply switch Model 261 G 10A Models 351 G and 531 G 16A Min section of power supply cables Models 261 G and 351 G 1 5mm2 Model 531 G 2 5mm2 Example of wiring Constant Speed Models HKED HCND 261 351 531G Outdoor Unit Min section of wiring between Units Model 261 G 1 5mm2 Models 351 G and 531 G 2 5mm2 2 N 3 4 Grounding Grounding ...

Страница 76: ...refrigerant leakages near refrigerant connections Flare connections 13 Test of system Start system normally by using IR remote control The system s test in Cooling mode is possible at room temperature not lower than 17 C The system s test in Heating mode is possible at room temperature not higher than 31 C nDuring the test first check the following 1 Is it possible to adjust room temperature as yo...

Страница 77: ...cing the fixing system if Outdoor Unit is exposed to strong wind or it may fall because of earthquakes or exceptional climatic occurrences The installation of a snow shelter must be possible according to climatic recurrent conditions in the environment Sufficient spaces must be kept free for repairing and maintenance of Unit Splitting level differences and max splitting distances that are foreseen...

Страница 78: ...ting material and material which wraps refrigerant pipings 1 If there is the risk Outdoor Unit may fall down or overturn it is advised to install tie rods in addition to anchor bolts 4 x Ø8mm or 4 x Ø10mm on Indoor Unit s base 2 The installation of a raised bearing bed as regards ground prevents snow from piling up around Outdoor Unit and at the same time it makes easier condensate and defrosting ...

Страница 79: ...them may reach low temperatures during the system s operation Use close cells insulating material in addition to the material that already wraps the pipings which is resistant to temperatures of at least 120 C Piping Gas Side Piping Liquid Side Ø6 35 1 4 Ø9 52 3 8 Max 15m 3 5m NOTE If splitting distance is more than 3 5m liquid side additional charge is 30g m of R410A Ø6 35mm 1 4 x 0 8mm Ø9 52mm 3...

Страница 80: ...them may reach low temperatures during the system s operation Use close cells insulating material in addition to the material that already wraps the pipings which is resistant to temperatures of at least 120 C Piping Gas Side Piping Liquid Side Ø6 35 1 4 Ø9 52 3 8 Max 15m 3 5m NOTE If splitting distance is more than 3 5m liquid side additional charge is 30g m of R410A Ø6 35mm 1 4 x 0 8mm Ø9 52mm 3...

Страница 81: ...them may reach low temperatures during the system s operation Use close cells insulating material in addition to the material that already wraps the pipings which is resistant to temperatures of at least 120 C Piping Gas Side Piping Liquid Side Ø6 35 1 4 Ø12 7 1 2 Max 15m 4 0m NOTE If splitting distance is more than 4 0m liquid side additional charge is 30g m of R410A Ø6 35mm 1 4 x 0 8mm Ø12 7mm 1...

Страница 82: ...ges Use a spanner for holding still the Outdoor Unit s refrigerant fitting and avoiding its torsion Use a torque wrench for tightening flare nuts Respect recommended fastening torques Piping diameter Ø Fastening torque Liquid side 6 35mm 1 4 Gas side 9 52mm 3 8 17 6 N m 41 2 N m Gas side 12 7mm 1 2 53 9 N m 4 Installation of drain elbow on Outdoor Unit This accessory provided with the Unit allows ...

Страница 83: ...Unit is damaged it must be replaced by another fuse of original or equivalent type Nevertheless first of all it is needed to look for the reasons of fuse s damaging 7 The min recommended sections for cables are the following a Models 261 G and 351 G 1 5mm2 a Model 531 G 2 5mm2 8 To reach Outdor Unit s terminal block remove protection cover fixed by screws placed on Outdoor Unit s right side The el...

Страница 84: ...etely open both on gas and liquid sides 8 Check if there are no leakages of refrigerant gas near refrigerant connections by using a high sensitivity gas leak detector for HFC n Final checks n Test of system Start normally the system by using IR remote control Test of system in Cooling mode is possible if room temperature is not lower than 17 C Test of system in Heating mode is possible if room tem...

Страница 85: ...ompressor during vacuum condition 3 Recharge of refrigerant a Discharge completely refrigerant from the circuit by recovering it and carry out the vacuum as it has already been described Do not charge refrigerant before carrying out the vacuum as this modifies operating conditions of system and leads to excessive or insufficient charge of refrigerant b Keep gaugemanifold connected and connect char...

Страница 86: ...minutes Durong automatic defrosting water and vapour come out from Outdoor Unit In Cooling mode Indoor Unit emits vapour If signal receiver on Indoor Unit is exposed to direct sunlight or to strong lighting it is possible that signals sent by remote control are not received Indoor Unit keeps on supplying air also after stop of operation in Cooling mode In this case indoor fan rotates slowly for so...

Страница 87: ... and 2 do not remove operating malfunction sensor circuit on Indoor Unit s PCB is broken and it is necessary to replace the PCB E3 System OFF System ON OFF Flashing 3times 5sec Malfunction of TP1 sensor E4 System ON OFF System OFF Flashing 4times 6sec Malfunction of Outdoor Unit 1 Measure resistance value of TP1 sensor If temperature is 25 C this value must be of about 5kΩ Otherwise replace TP1 se...

Страница 88: ...sary replace the broken component or the PCB E6 System OFF System OFF Flashing 6times 8sec Malfunction of indoor fan motor no rotation 1 Check fan wheel of fan motor can it rotate freely 2 On Indoor Unit s Control PCB check if there is output signal on contacts for fan motor Otherwise replace the PCB E8 System OFF System OFF Flashing 8times 10sec Low temperature heat exchanger I U Cooling mode Hig...

Страница 89: ... heat exchanger s temperature Malfunction of Tr sensor Check connector of Tr on PCB is it OK Measure the resistance of Tr 5kΩ 25 C is it OK Connect connector Replace Tr sensor Replace the PCB Indoor Unit PCB Indoor Unit broken YES YES NO NO Malfunction of TP1 sensor Check the connector of TP1 on PCB is it OK Measure the resistance of TP1 5kΩ 25 C is it OK Connect connector Replace TP1 sensor Repla...

Страница 90: ... operate properly Turn off power supply once and turn it on again Start to operate system in Cooling mode at airflow level LOW and wait 3 minutes Does compressor continue to operate Does Indoor Unit s fan operate Fan motor operates normally Is it possible to detect AC 220V between pin H M L and pin common on fan motor s connector Turn off system and check if is it possible to rotate Indoor Unit s ...

Страница 91: ...Is compressor s wiring OK Is condenser for compressor OK Is overload relay OK Does compressor start Compressor is defective Is amount of R410A refrigerant correct Does compressor stop after a while Is compressor motor winding OK Do R T values of room sensor Tr and heat exchanger sensor TP1 correspond to values shown on the Table PCB is defective or Indoor Unit s CPU is defective Room sensor Tr or ...

Страница 92: ... OK Press ON OFF button on remote control Is IR receiver exposed to direct sunlight Are there light sources fluorescent lamps nearby Does Indoor Unit operate when moving remote control near IR receiver on I U Are LCD indicators on remote control s display OK Batteries are exhausted Does Indoor Unit beep and operate IR remote control is defective Replace remote control All is OK Replace batteries R...

Страница 93: ...it and Outdoor Unit Press ON OFF button on IR remote control Is power supply normal Check the voltage between L N of terminal block Does the beeper beep Is Indoor Unit s display OFF Check PCB Display s wiring on control PCB of Indoor Unit Is remote control OK IR remote control is defective Is Indoor Unit s Control PCB OK Replace Control PCB Is Indoor Unit s Display normal Does Outdoor Unit operate...

Страница 94: ...t Is there 12V and 5V voltage on Indoor Unit s PCB Press Emergency button Does system operate Does the electric switch cut off after a few minutes Find the reason and solve the problem Replace the failure component Does the electric switch cut off Are interconnection wires between Indoor Unit and Outdoor Unit OK Is the insulation of Indoor Unit and Outdoor Unit no problem Is the resistance of each...

Страница 95: ... 15 382 1 11 3 89 53 1 904 1 944 1 984 3 44 1 54 ˉ2 14 170 14 454 14 737 1 15 3 85 54 1 844 1 884 1 923 3 48 1 52 ˉ1 13 591 13 857 14 124 1 18 3 82 55 1 787 1 826 1 865 3 51 1 49 0 13 040 13 290 13 54 1 22 3 78 56 1 732 1 770 1 809 3 54 1 16 1 12 505 12 739 12 974 1 26 3 74 57 1 679 1 717 1 754 3 57 1 43 2 11 995 12 215 12 436 1 30 3 70 58 1 628 1 665 1 702 3 60 1 40 3 11 509 11 717 11 924 1 34 3 ...

Страница 96: ...s To carry out the cleaning correctly observe the following Instructions or contact Authorized Technical Service Gently press on both sides and bottom of frontal panel then pull the panel towards you see Figure 1 till max opening Opening angle of frontal panel must never be more than 60 Gently lift each filter and remove it by pulling it towards you Figure 2 CAUTION Figure 3 After removing the fil...

Страница 97: ...shing powder or any similar solvents etc In general chemical products may crack or deform the plastic and painted surfaces of Units For cleaning of Indoor Unit do not use abrasive sponges thus avoiding to scratch Indoor Unit s surfaces If Indoor Unit s frontal panel is open or has been removed do not touch aluminium fins of heat exchanger as fins profile is sharp Do not expose Indoor Unit s grille...

Страница 98: ...Air filters on Indoor Unit If air filters have been removed or are damaged reinstall them and eventually replace them Filters must be cleaned at the beginning of each season 4 Ordinary maintenance at the beginning of season CAUTION Batteries of IR remote control Batteries that are previously removed must be fitted again into remote control after checking they are charged 5 Power supply of system 6...

Страница 99: ...lls during time when system is not used Disconnect the system 2 Stop the system by pressing ON OFF on remote control Move power supply main switch to OFF or 0 Disconnect the plug from the power socket Remove clean and reinsert air filters on Indoor Unit 3 In this way Indoor Unit will be ready for use in following season Clean Indoor Unit and Outdoor Unit 4 Clean Indoor Unit and Outdoor Unit as it ...

Страница 100: ...Notes 1 Monosplit Wall Personal Line Constant Speed Notes Notes ...

Страница 101: ...Notes 2 Monosplit Wall Personal Line Constant Speed Notes Notes ...

Страница 102: ...Notes 3 Monosplit Wall Personal Line Constant Speed Notes Notes ...

Страница 103: ...Notes 4 Monosplit Wall Personal Line Constant Speed Notes Notes ...

Страница 104: ...opment of Products by Manufacturer we reserve the right to vary the technical specifications at any time wothout notice HOKKAIDO ITALIA SRL 14 Via della Salute 40132 Bologna Italy Tel 39 051 41 33 111 Fax 39 051 41 33 146 www hokkaido it ...

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Hokkaido HCND 261 G, Инструкция по эксплуатации

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