REMKO MXT 263 Assembly And Operating Instructions Manual
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REMKO MXT 263 Assembly And Operating Instructions Manual

REMKO MXT 263 Assembly And Operating Instructions Manual

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Assembly and operating instructions
REMKO MXT
MXT 263, MXT 353, MXT 523
Inverter compact wall chest in multisplit design
Read the instructions prior to performing any task!
0136-2016-06 Edition 1, en_GB

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Summary of Contents for REMKO MXT 263

  • Page 1 Assembly and operating instructions REMKO MXT MXT 263, MXT 353, MXT 523 Inverter compact wall chest in multisplit design Read the instructions prior to performing any task! 0136-2016-06 Edition 1, en_GB...
  • Page 2 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 to modifications; No liability accepted for errors or mis- prints! Installation and operating instructions (translation of the orig- inal)

  • Page 3: Table Of Contents

    Table of contents Safety and usage instructions......................4 1.1 General safety notes........................4 1.2 Identification of notes........................4 1.3 Personnel qualifications........................4 1.4 Dangers of failure to observe the safety notes................4 1.5 Safety-conscious working....................... 4 1.6 Safety notes for the operator......................5 1.7 Safety notes for installation, maintenance and inspection..............

  • Page 4: Safety And Usage Instructions

    REMKO MXT Safety and usage instructions CAUTION! This combination of symbol and signal word 1.1 General safety notes warns of a potentially hazardous situation, which if not avoided may cause injury or mate- Carefully read the operating manual before com- rial and environmental damage.

  • Page 5: Safety Notes For The Operator

    "certificate of warranty" to conditions stipulated in this manual and comply REMKO GmbH & Co. KG at the time when the with all applicable regional regulations. units are purchased and commissioned.

  • Page 6: Transport And Packaging

    REMKO MXT 1.11 Transport and packaging The devices are supplied in a sturdy shipping con- tainer. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner. For later complaints can not be guaranteed.

  • Page 7: Technical Data

    Technical data 2.1 Unit data Series MXT 263 MXT 353 MXT 523 Wall chest for inverter multisplit outdoor units for Operating mode cooling and heating Nominal cooling output Nominal heat capacity Application area (room volume), approx. Adjustment range room temperature °C...

  • Page 8: Unit Dimensions

    Contains greenhouse gas according to Kyoto protocol, GWP=2088 2.2 Unit dimensions Fig. 1: Unit dimensions MXT 263-523 (All measurements in mm) 1: Mounting plate We reserve the right to modify the dimensions and design as part of the ongoing technical development...

  • Page 9: Design And Function

    The indoor unit consists of a fin evaporator, evapo- rator fan, controller and condensate tray. The Fig. 3: Cooling cycle schematic indoor unit can be combined with REMKO outdoor units from the MVT 602 DC-1402 DC range that 1: Evaporator provide sufficient combination options.

  • Page 10: Operation

    REMKO MXT Operation 4.1 General notes Alarms are indicated by a code (see chapter The indoor unit is easily operated using the Troubleshooting and customer service). standard infrared remote control. The indoor unit beeps to acknowledge the correct transmission of data.

  • Page 11: Display On Indoor Unit

    KFB-3 Display The wired remote control, type KFB-3, can be con- nected to the devices of the series MXT 263-523. You need the connection cable that is part of the delivery scope of the wired remote control for this.

  • Page 12: Manual Air Distribution

    REMKO MXT 4.3 Manual air distribution Setting the air distribution The vertical air control blades can be manually moved to the left and right (s. Fig. 7). An automatic swing function is also available for horizontal air distribution (s. Chapter “Buttons on the remote control”).
  • Page 13 Automatic selection of the blow-out side Operating mode Cooling mode Heating mode The unit blows out from the top and When the unit is When the unit is When the setpoint bottom side when started or when the started or when the Situation is reached or after the setpoint is...

  • Page 14: Keys On The Remote Control

    REMKO MXT 4.4 Keys on the remote control "SLEEP" key Activates/deactivates the "SLEEP" function. Pressing this key will automatically increase or decrease the target temperature by 1 °C within an hour in cooling and heating mode respectively. Press this key to maintain the most convenient temperature and save energy.
  • Page 15 "TIMER ON" key Indicators on the LCD This key initiates the automatic switch-on time for the unit. Each press of this key increases the delay time by 30 minutes. When the set time on the dis- play exceeds 10.0, each press of the button increases the set time by 60 minutes.
  • Page 16 REMKO MXT "Cooling", "Heating" and "Recirculation" mode Make sure that the indoor unit is connected to the power supply, and is switched on. The illustration of the LCD with all of the sym- bols present is only intended to provide a Press the "MODE"key to select from oper-...
  • Page 17 "Dehumidification" mode "Timer" mode Make sure that the indoor unit is connected to the Press the "TIMER ON" key to set the "Auto on" power supply, and is switched on. time and the "TIMER OFF" key to set the "Auto off" time for the unit.
  • Page 18 REMKO MXT Setting the "Auto off" time Example TIMER function settings Press the "TIMER OFF" key. The remote "TIMER ON" (Auto on mode) control shows "TIMER OFF", the last "Auto Example: off" time setting and the symbol "H" appears on the display. The unit is now ready to reset You want the air conditioning unit to switch on six the "Auto off"...
  • Page 19 Combined TIMER (setting "TIMER ON" and "TIMER ON ð "TIMER OFF" "TIMER OFF" at the same time) (Off ð Start ð Stop) "TIMER OFF ð "TIMER ON" Example: (On ð Stop ð Start) You want the air conditioning unit to switch on in Example: two hours from the time it was programmed, and switch back off five hours later.

  • Page 20: Installation Instructions For Qualified Personnel

    REMKO MXT Installation instructions SLEEP function for qualified personnel The sleep function saves energy while you sleep. This function is activated by pressing the key on Important notes prior to installation the remote control. Press the key before going to sleep.

  • Page 21: Installation

    Installation Minimum clearances Observe the minimum clearances to allow access for maintenance and repair work and facilitate NOTICE! optimum air distribution. Installation should only be performed by authorised specialists. Unit installation The unit is fixed using two retaining frames observing the air discharge sides. Mark the mounting points on the structurally 1000 permissible building sections according to the...

  • Page 22: Condensate Drainage Connection And Safe Drainage

    REMKO MXT Condensate drainage Connection of refrigerant piping connection and safe The refrigerant pipes should be connected by the customer on the right-hand inner side of the unit. drainage It may be necessary to fit a reducer or flared Condensate drainage connection adapter to the indoor unit.

  • Page 23: Electrical Wiring

    Safe drainage in the event of leakages Local regulations or environmental laws, for example the German Water Resource Act (WHG), can require suitable precautions to protect against uncontrolled drainage in case of leakage to provide for safe disposal of escaping air conditioning fluid or hazardous media.

  • Page 24: Electrical Wiring Diagram

    Connection MVT 602 DC-1402 DC L(A) N(A) S(A) L(B) N(B) S(B) 230V/1~/50 Hz L(C) N(C) S(C) L(D) N(D) S(D) Fig. 27: Electrical wiring diagram A: Outdoor unit MVT 602 DC-1402 DC 1: Power supply B: Indoor units MXT 263-523 2: Communication lines...
  • Page 25 Connection of optional condensate pump KP 6 / KP 8 L(1) 2(N) L(1) 2(N) N PE Fig. 28: Electrical wiring diagram Outdoor unit Condensate pump supply Indoor unit Condensate pump fault contact Condensate pump KP 6 / KP 8 BK: Black Power supply WH: white...

  • Page 26: Unit Type Selection And Temperature Compensation

    8.3 Unit type selection and temperature compensation Unit type selection Temperature compensation Switch Switch Switch Type Switch Temperature setting setting MXT 263 6 °C MXT 353 4 °C SW 2 SW 102 MXT 523 2 °C 0 °C Factory setting MO / MU...

  • Page 27: Electrical Drawings

    8.4 Electrical drawings MXT 263 CN10 CN15 Ge/Gn Ge/Gn CN1 CN2 Fig. 29: Electrical drawings MXT 263 Control board Evaporator fan motor Auxiliary circuit board Colour codes: Display circuit board blu: Blue Temperature probe, evaporator bro: Brown Temperature probe, indoor air...
  • Page 28 REMKO MXT MXT 353-523 CN15 CN10 TYPE Ge/Gn Ge/Gn CN1 CN2 Ge/Gn Fig. 30: Electrical drawings MXT 353-523 Control board Evaporator fan motor Auxiliary circuit board Colour codes: Display circuit board blu: Blue Temperature probe, evaporator bro: Brown Temperature probe, indoor air...

  • Page 29: Commissioning

    Commissioning Final tasks Re-install all disassembled parts. Familiarise the operator with the system. NOTICE! Commissioning should only be performed by specially trained personnel and documented after the certificate has been issued. Observe NOTICE! the operating manuals for the indoor unit and Check that the shut-off valves and valve caps outdoor unit when commissioning the entire are tight after carrying out any work on the...

  • Page 30: Troubleshooting And Customer Service

    REMKO MXT Troubleshooting and customer service The unit and components are manufactured using state-of-the-art production methods and tested several times to verify their correct function. However, if alarms should occur, please check the functions as detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Troubleshooting and customer service"...
  • Page 31 Operational malfunctions (continued) Malfunction Possible causes Checks Remedial measures Filter is dirty / air inlet / Have the filters been Clean the filters outlet opening is blocked cleaned? by debris Windows and doors Have structural / usage Close windows and open.
  • Page 32 REMKO MXT Malfunction indicated by flashing code Operation light Error description LED timer (flashes each second) EEPROM error, indoor unit Communication error between indoor unit and outdoor unit Fan motor speed control not OK Room temperature probe defective Evaporator probe defective...

  • Page 33: Care And Maintenance

    Care and maintenance Regular care and observation of some basic points This enables you to ensure the operational reli- will ensure trouble-free operation and a long ability of the plant at all times! service life. For systems which operate year-round (e.g. in DANGER! server rooms), the maintenance intervals must be reduced accordingly.
  • Page 34 REMKO MXT Cleaning the filter Disconnect the power supply to the unit. Open the front side of the unit by folding the grill down/forwards (Fig. 31). Pull the filter out in an upwards direction (Fig. 31). Clean the filter with a commercially available vacuum cleaner.

  • Page 35: Exploded View Of The Unit And Spare Parts List

    Exploded view of the unit and spare parts list 12.1 Exploded view of the unit Fig. 34: Exploded view of the unit MXT 263-523 We reserve the right to modify the dimensions and design as part of the ongoing technical development process.

  • Page 36: Spare Parts List

    REMKO MXT 12.2 Spare parts list IMPORTANT! To ensure the correct delivery of spare parts, please always the device type with the corresponding serial number (see type plate) No. Designation 1 Mounting plate Infrared remote control Connection terminals cover Fan impeller...

  • Page 37: Shutdown

    REMKO GmbH & Co. KG or your contractual residual humidity from the unit. partner will be pleased to provide a list of certified Shut down the system using the remote con- firms in your area.

  • Page 38: Index

    REMKO MXT Index Remedial measures ....30 Manual air distribution ....12 Air distribution, manual .
  • Page 40 SFlb Customer Service Our equipment operates precisely and reliably. However, in the event of a fault, REMKO customer service is quickly at the scene. Our comprehensive network of experienced dealers always guarantees quick and REMKO GmbH & Co. KG reliable service.

This manual is also suitable for:

Mxt 353Mxt 523

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