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Edition GB – T07

REMKO ML

ML 261, ML 351, ML 521, ML 681

Wall-mounted split design

air conditioning unit

Operation · Technology · Spare parts

Содержание ML 251

Страница 1: ...Edition GB T07 REMKO ML ML 261 ML 351 ML 521 ML 681 Wall mounted split design air conditioning unit Operation Technology Spare parts ...

Страница 2: ......

Страница 3: ...arranty 4 Transportation and packaging 5 Description of the equipment 5 Operation 6 12 Shutdown 12 Care and maintenance 12 13 Troubleshooting and customer service 14 15 Installation instructions for qualified personnel 15 18 Installation 18 19 Tightness check 20 Condensation connection 20 Electrical connection 20 21 Electrical connection diagram 21 Electrical circuit diagram 22 Before commissionin...

Страница 4: ... qualified personnel The setup connection and operation of the unit and its components must be in accordance with the operating conditions stipulated in this manual and comply with all applicable local regulations Units designed for mobile use should be safely set up on a suitable floor and in a vertical position Units designed for stationary use should only be operated in their permanently instal...

Страница 5: ...controllers floor and wall brackets refrigerant pipes and condensation pumps are also available as accessories Description of the equipment The equipment was shipped in sturdy packaging Immediately check the equipment on delivery and make a note of any damage or missing parts on the delivery note Inform the forwarding agent and contractual partner Warranty claims at a later date will not be accept...

Страница 6: ...rol This is supplied as standard The indoor unit beeps to acknowledge the correct transmission of data If it is not possible to program the indoor unit using the remote control it can also be manually operated Errors are displayed in coded format see chapter on trouble shooting and customer service CAUTION Immediately replace flat batteries with a new set otherwise there is a risk of leakage It is...

Страница 7: ... mode the room is mainly dehumidfied the set temperature is maintained 4 Heating mode In this mode the warm room air is heated to the desired temperature FAN Button Press this button to set the required fan speed 4 levels are available Automatic high medium and low fan speed FINS Button Press this button to adjust the position of the outlet fins 5 fixed positions and an oscillating function are av...

Страница 8: ...ompartment to set the time CLOCK will flash on the display The HR and MIN buttons are used to set the current time Press the CLOCK button again to complete the programming procedure the display will stop flashing CLOCK Button CLOCK HR MIN CLOCK Press the ON OFF button to activate or deactivate the air conditioning unit The programmed settings and parameters are shown on the display before the unit...

Страница 9: ... Dehumidify Heating In automatic mode the controller automatically selects heating or cooling mode after it is switched on The control range is 22 C to 26 C This can be raised or lowered using the buttons AUTOMATIC Mode Automatic MODE In cooling mode the room air is cooled to the preset target temperature The desired room temperature is set in 1 C steps using the buttons If the room temperature re...

Страница 10: ...at exchanger to fall below the dew point Any excess humdity in the air condenses in the vaporiser As a result the room is dehumidified The fan speed should be set to automatic to achieve maximum dehumidification In automatic mode the fan is intermittently switched on and off DEHUMIDIFY Mode DEHUMIDIFICATION MODE MODE Press this button to set the fan speed One can choose between low medium high and...

Страница 11: ...by pressing the appropriate Timer button or ON OFF button The timer symbol on the indoor unit extinguishes TIMER Button ON Timer On HR MIN 30 sec TIMER Button OFF Timer Off HR MIN 30 sec Press these buttons to activate a program which will raise the target temperature in cooling mode by 1 C and 2 C after 1 and 2 hours respectively In heating mode the target temperature is lowered by 1 C and 2 C af...

Страница 12: ...are and maintenance Regular care and maintenance ensure trouble free operation and a long service life Care Ensure the indoor unit and outdoor component are protected against dirt mould and other deposits Clean the equipment using a damp cloth Do not use any caustic abrasive or solvent based cleaning products Do not use a jet of water Clean the fins on the indoor unit and outdoor component prior t...

Страница 13: ...he guard using a soft damp cloth 4 Switch the supply voltage back on Air filter for indoor unit Clean the air filter at least every 2 weeks Reduce this interval if the air is especially dirty Cleaning the filter in the indoor unit 1 Disconnect the supply voltage to the equipment 2 Open the front of the unit by lifting the guard and latching it in position Fig 1 3 Lift the filter and pull it down a...

Страница 14: ...ing with transmission Does it function when switching off possible sources of interference Signal is not transmitted when interference sources are operational Button in remote control jammed two buttons pressed at same time Does the Send symbol appear on the display Release the button only press one button Batteries in remote control are flat Have new batteries been inserted Is the display incompl...

Страница 15: ...dity Never kink or push in the refrigerant pipes Avoid unnecessary bending This minimises the pressure loss in the refrigerant pipes and ensures that the compressor oil can flow back without obstruction Special measures concerning the oil return pipe must be taken if the outdoor components is mounted above the indoor unit See section Oil return measures Add refrigerant if the basic length of the r...

Страница 16: ...nd using 4 screws and a wall or floor bracket Minimum clearance to snow 20 cm Snow Windbreak Wind Pipes and cables in wall breakthrough Control cable Condensation pipe Injection pipe Suction pipe PVC tube Rain The unit should be at least 10 cm off the ground when mounted on the roof or ground An optional floor bracket is available as an accessory Sun The liquefier on the outdoor component radiates...

Страница 17: ...ably using sufficiently large air intakes placed opposite each other Fig 4 Minimum clearances Observe the minimum clearances to allow access for maintenance and repair work and facilitate optimum air distribution ML 261 AT ML 351 AT ML 521 AT ML 681 AT A 150 mm B 700 mm 900 mm C 400 mm D 150 mm E 200 mm 400 mm 600 mm Comply with any regulations and conditions affecting the statics of the building ...

Страница 18: ...pecialists NOTE Oil return measures If the outdoor component is installed at a higher level than the indoor unit suitable oil return measures must be taken Usually an oil pump bend is installed for every 2 5 metres of height difference 5 Hooking in Connecting the refrigerant pipes The connections to the refrigerant pipes are made at the rear of the unit responsibility of customer It may be necessa...

Страница 19: ...ng 2 suitably sized open ended spanners Use one spanner to counter the force when tightening the fitting Fig 9 8 Use insulation hoses which are designed for this temperature range and diffusion tight 9 Lay the refrigerant pipes from the indoor unit to the outdoor component Ensure that the fastenings are adequate and if necessary take appropriate oil return measures 10 Observe the permitted bending...

Страница 20: ...alls below the dew point condensation will form on either the vaporiser in cooling mode or the liquefier in heating mode The collection tray below the vaporiser should be connected to the drain The lower panelling on the outdoor component acts as a collection tray Use the supplied condensation connection for this purpose The condensation pipe should have a fall of min 2 Fig 10 This is the responsi...

Страница 21: ...50 Hz L1 N PE Control conductor Compressor contator PE N N PE 3 2 3 PE N L L L 2 1 1 Control conductor Control conductor Fan motor Neutral conductor Phase conductor Connection ML 681 Outdoor component Indoor unit Mains cable Neutral conductor Phase conductor Reverse flow valve 230 V 50 Hz L1 N PE Control conductor Compressor contator N L1 PE L N 3 2 3 N L 2 1 PE 1 PE Control conductor Control cond...

Страница 22: ...essor contator Colour code WH white BU blue BR brown BK black Control cable Mains cable Reverse flow valve 3 1 2 L N AC N FM SM AC L COMP Display Receiver board Vaporiser sensor Air circulation sensor Vaporiser fan motor Swing motor Transfor mer Fan motor Reverse flow valve Compressor Liquefier fan Reverse flow valve Compressor REMKO ML 22 ...

Страница 23: ...refrigerant fill quantity Wear protective clothing when handling refrigerant CAUTION Commissioning Commissioning should only be performed and documented by specially trained personnel NOTE The system can be commissioned once all the components have been connected and tested A functional check should be performed to verify its correct function and identify any unusual operational behaviour prior to...

Страница 24: ... recommended for pouring the water into the condensation tray 10 Switch the indoor unit to cooling mode 11 Check the correct function and settings of all regulation control and safety devices during the test run 12 Check the control system in the indoor unit using the functions described in the manual Timer temperature settings and all mode settings in the chapter Operation Unit dimensions We rese...

Страница 25: ...9414 1109427 1109440 3 Circuit board display 1109402 1109415 1109428 1109441 4 Swing motor 1109403 1109416 1109429 1109442 5 Outlet fins set 1109404 1109417 1109430 1109443 6 Condensation tray 1109405 1109418 1109431 1109444 7 Vaporiser 1109406 1109419 1109432 1109445 8 Fan wheel 1109407 1109420 1109433 1109446 9 Fan motor 1109408 1109421 1109434 1109447 10 Control board 1109409 1109422 1109435 11...

Страница 26: ...bbed liquefier 1107803 1107816 1107829 1107841 5 Cover panel 1107804 1107817 6 Side panel right 1107805 1107818 7 Compressor complete 1107806 1107819 1107830 1107842 8 Condenser compressor 1107807 1107820 1107831 1107843 9 Condenser liquefier fan 1107808 1107821 1107832 1107844 10 Stop valve suction pipe 1107809 1107822 1107833 1107845 11 Stop valve injection pipe 1107810 1107823 1107834 1107846 1...

Страница 27: ...ML 351 IT ML 521 IT ML 681 IT Adjustment range room temperature C 16 to 31 Working range C 15 to 31 Air flow rate per stage m h 320 370 420 380 450 520 600 700 800 800 900 1000 Noise output per stage 3 dB A 30 34 38 32 36 40 35 39 43 37 41 45 Protection degree IP X0 Condensation connection mm 17 17 17 17 Dimensions Height mm 275 275 275 320 Width mm 790 790 930 1035 Depth mm 200 200 200 220 Weight...

Страница 28: ...nts in the areas of air conditioning and heating technology Customer service Our equipment is precise and reliable However should a fault should occur REMKO customer service is quickly at your side Our comprehensive network of experienced dealers guarantees quick and reliable service REMKO GmbH Co KG Klima und Wärmetechnik Im Seelenkamp 12 32791 Lage Postfach 1827 32777 Lage Telephone 49 5232 606 ...

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