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REMKO MXT 264, Operating And Installation Instructions, Page: 35 / 44

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REMKO MXT 264 Operating And Installation Instructions Download Page 35

Malfunction indicated by flashing code

Error description

LED timer

Operation light

(flashes each

second)

EEPROM error, indoor unit

OFF

1

Communication error between indoor unit and outdoor unit

OFF

2

Fan motor speed control not OK

OFF

4

Room temperature probe defective

OFF

5

Evaporator probe defective

OFF

6

EC error - no cooling/heat output after 30 minutes

OFF

7

Condensation pump float switch triggered (optional)

OFF

8

Current consumption is too high

ON

1

Outdoor unit air inlet temperature probe faulty

ON

2

Outdoor unit condenser temperature probe faulty

ON

3

Outdoor unit hot gas line condenser temperature probe faulty

ON

4

EEPROM error, outdoor unit

ON

5

Condenser fan outdoor unit speed control not OK

ON

6

Inverter fault outdoor unit

FLASHES

1

Overvoltage/undervoltage, outdoor unit

FLASHES

2

Heat gas temperature outdoor unit too high

FLASHES

3

Outside temperature too low

FLASHES

4

Compressor outdoor unit control defective

FLASHES

5

Mode conflict

FLASHES

6

 

 

 

 

 

35

Summary of Contents for MXT 264

Page 1: ...Operating and installation instructions Read the instructions prior to performing any task REMKO MXT series MXT 264 MXT 354 Wall chest for cooling and heating 0223 2021 02 Edition 2 en_GB...

Page 2: ...hese 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 to modificatio...

Page 3: ...2 2 Unit dimensions 9 3 Design and function 10 3 1 Unit description 10 4 Operation 11 4 1 General notes 11 4 2 Display on indoor unit 12 4 3 Manual air distribution 13 4 4 Keys on the remote control...

Page 4: ...light the magnitude of the danger in question DANGER Contact with live parts poses an immediate danger of death due to electric shock Damage to the insulation or individual components may pose a dange...

Page 5: ...at they are safe to use and fully functional at least once yearly Visual inspections and cleaning may be performed by the operator when the units are disconnected from the mains 1 7 Safety notes for i...

Page 6: ...ay invalidate liability for resulting consequences 1 9 Intended use Depending on the model the units and the addi tional fittings with which they are equipped are only intended to be used as an air co...

Page 7: ...at approved collection points Disposal of equipment and components Only recyclable materials are used in the manufac ture of the devices and components Help protect the environment by ensuring that t...

Page 8: ...volume per stage m3 h 450 580 680 360 470 550 Sound pressure level per stage 3 dB A 35 40 45 35 41 47 Sound power level max dB A 56 58 Power supply V Ph Hz 230 1 50 Enclosure class IP X 0 Electrical r...

Page 9: ...C max air flow volume 5 m pipe length 2 Air inlet temp TK 20 C outside temperature TK 7 C FK 6 C max air flow volume 5 m pipe length 3 Distance 1 m free field 2 2 Unit dimensions 600 700 210 195 1 Fi...

Page 10: ...vapo rator fan controller and condensate tray The indoor unit can be combined with REMKO outdoor units from the MVT 603 DC 1403 DC range that provide sufficient combination options The outdoor unit is...

Page 11: ...emote control is pointed at the receiver and no objects are obstructing the transmission path Two AAA batteries must be inserted into the remote control in preparation To do so remove the flap from th...

Page 12: ...control for this The indoor units are ready to be plugged in for connection The mating connector on the indoor unit can be found below the electrical connection Fig 5 The plug is colour coded with the...

Page 13: ...s Fig 8 2 The switch to select the blow out direction can be found below the LED s s Fig 9 3 If the switch is set to the symbol A s Fig 9 the indoor unit automatically determines the blow out side dep...

Page 14: ...when the setpoint is nearly reached to optimally distribute the warm air When the unit is started or when the room temperature is low Blow out direction The unit only blows out from the top to avoid d...

Page 15: ...the different fan speeds in the following order Automatic Low Medium High Note To activate the silence function available depending on the appliance model of the appli ance press and hold the key for...

Page 16: ...6 Signal transmission Lights up when a signal is sent from the IR remote control to the air conditioning unit 7 Time delayed switch on active 8 Time delayed switch off active 9 Silent mode active 10...

Page 17: ...e the Auto function 2 Set the desired temperature using the and V keys 3 The unit can be switched on by pressing the ON OFF key The fan speed cannot be set in automatic mode Cooling mode 1 Press the M...

Page 18: ...rds the air con ditioning unit and wait 1 sec The timer is now active symbol in the display of the remote control 2 1 3 Fig 13 Time delayed switch on Time delayed switch off 1 Press the Timer key to e...

Page 19: ...5 hours later Example If both timers are activated at 13 00 the unit switches on 2 5 hours later at 15 30 and switches off 5 hours later at 18 00 Swing function Press the Swing key 1 The horizontal ai...

Page 20: ...key in cooling mode automatically sets the temperature setpoint to 24 C When the room temperature is 24 C the fan goes into energy saving mode If the room temperature is 24 C the fan speed remains in...

Page 21: ...started manually with the Clean function for example if the unit is not in regular use In cooling or dehumidification mode the self cleaning func tion can be activated The unit switches off auto matic...

Page 22: ...ave energy during night operation This function is not available in the Recirculation and Humidification operating modes The Sleep key should be pressed before going to bed In cooling mode the unit wi...

Page 23: ...ces the unit output n Install the refrigerant piping from the indoor unit to the outdoor unit n Seal off open refrigerant piping with suitable caps or adhesive strips to prevent the infiltra tion of m...

Page 24: ...izontal positioning The wall bracket for the units must be attached with suitable screws and anchors Connection of refrigerant piping The refrigerant pipes should be connected by the customer on the r...

Page 25: ...condensate drainage line is laid to protect it against frost If necessary fit a pipe heater n Following installation check that the conden sate run off is unobstructed and ensure that the line is dura...

Page 26: ...installing a main repair switch on the building close to the unit This is the responsibility of the customer n The terminal blocks for making the connections are located at the rear of the unit When t...

Page 27: ...1403 DC 230V 1 50 Hz L A N A S A L N L B N B S B L C N C S C L D N D S D L N S L N S L N S L N S A 1 B1 B2 B3 B4 2 2 Fig 31 Electrical wiring diagram A Outdoor unit MVT 603 DC 1403 DC B Indoor units...

Page 28: ...N PE 1 2 N S 1 S L N WH BK PE PE A B C 1 2 3 L 1 L 1 2 N Fig 32 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...

Page 29: ...Switch setting Temperature SW 2 ON 1 2 MXT 264 SW 102 ON 1 2 6 C ON 1 2 MXT 354 ON 1 2 4 C ON 1 2 0 C Factory setting MO MU Automatic restart after power failure Switch Switch setting Fan speed Switch...

Page 30: ...SW1 OFF ON XT1 L N S 3 4 2 7 5 6 1 A B C Fig 33 Electrical drawings MXT 264 A Control board B Auxiliary circuit board C Display circuit board 1 Temperature probe evaporator 2 Temperature probe indoor...

Page 31: ...XP5 Ge Gn Ge Gn ON 1 SW1 OFF ON XT1 L N S Fig 34 Electrical drawings MXT 354 A Control board B Auxiliary circuit board C Display circuit board 1 Temperature probe evaporator 2 Temperature probe indoor...

Page 32: ...ture setting Fan speeds and switching to recirculation or dehumidification mode 5 Check the correct function of the condensate drainage line by pouring distilled water into the condensate tray A bottl...

Page 33: ...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 t...

Page 34: ...ntainer Faulty external conden sate pump or float Is the collection tray full of water and the pump not running Call out a specialist to replace the pump Condensate has not drained away and has collec...

Page 35: ...t switch triggered optional OFF 8 Current consumption is too high ON 1 Outdoor unit air inlet temperature probe faulty ON 2 Outdoor unit condenser temperature probe faulty ON 3 Outdoor unit hot gas li...

Page 36: ...maintenance intervals must be reduced accordingly NOTICE Statutory regulations require an annual leak test for the cooling cycle dependant on the refrig erant quantity Inspection and documentation of...

Page 37: ...ater is used let the filter dry out properly in the air before fitting it back into the unit 7 Carefully insert the filter Ensure that it locates correctly 8 Close the front side as described above in...

Page 38: ...d view of the unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Fig 38 Exploded view of the unit MXT 264 354 We reserve the right to modify the dimensions and design as part of...

Page 39: ...an impeller 5 DC fan motor 6 Fan motor bracket 7 Fan motor mounting plate 8 Front cover 9 Pollen filter 10 Air filter 11 Housing front 12 Evaporator 13 Temperature probe evaporator 14 Air line system...

Page 40: ...rical power supply to the unit 4 Check the unit for visible signs of damage and clean it as described in the Care and maintenance chapter Permanent shutdown Ensure that units and components are dispos...

Page 41: ...ance 36 Malfunction indicated by flashing code 35 Malfunctions Checks 33 Possible causes 33 Remedial measures 33 Manual air distribution 13 Manual mode 11 Minimum clearances 23 O Ordering spare parts...

Page 42: ...REMKO MXT series 42...

Page 43: ......

Page 44: ...5232 606 260 E mail info remko de URL www remko de REMKO GmbH Co KG Klima und W rmetechnik Im Seelenkamp 12 32791 Lage Hotline within Germany 49 0 5232 606 0 Hotline International 49 0 5232 606 130 W...

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