Related Manuals for REMKO ML 351
Summary of Contents for REMKO ML 351
- Page 1 REMKO ML ML 261, ML 351, ML 521, ML 681 Wall-mounted split design air conditioning unit Operation · Technology · Spare parts Edition GB – T07...
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Page 3: Table Of Contents
Carefully read this operating manual prior to commissioning or using the equipment! This manual is an integral part of the unit and must be stored at the installation location or in the immediate vicinity. Made by REMKO Subject to modifications; No liability accepted for errors or misprints! -
Page 4: Safety Notes
REMKO as this may performing installation, repair or of warranty" and commissioning cause malfunctions. maintenance work or cleaning report to REMKO GmbH & Co. KG the equipment. at the time when the equipment Equipment and components ■ was purchased and commissioned. -
Page 5: Transportation And Packaging
Description of the equipment Vaporiser fan Connection to The ML 261-681 air conditioning suction pipe equipment consists of an REMKO ML...AT outdoor component and an ML...IT interior unit. Vaporiser Connection to injection pipe The outdoor component serves to output the heat extracted by the interior unit from the room being cooled. -
Page 6: Operation
REMKO ML Operation The indoor unit is easy to operate using an infrared remote control. 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. - Page 7 1. Automatic mode "TIMER ON" Button Buttons on the remote control In this mode the equipment can Press this button to set an be running in cooling or heating automatic equipment switch-on mode. time in the next 24 hours. 2. Cooling mode "TIMER OFF"...
- Page 8 REMKO ML Button functions A symbol is shown on the display to indicate that the settings are being transferred. A flashing dot on the remote control indicates that the remote control is Remote control ready for operation ready for operation.
- Page 9 The▼ button is used to reduce the target temperature, the ▲ button ▲/▼ Buttons increases it. In automatic mode the temperature can be increased or decreased by 1°C. Temperature adjustment is not possible in dehumidifying mode. ▼ ▲ Cooling mode The display extinguishes ▼...
- Page 10 REMKO ML In dehumidifying mode, the room temperature is reduced to 24°C. The DEHUMIDIFY Mode low refrigerant temperature causes the air temperature at the finned heat 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.
- Page 11 Press these buttons to activate a program which will raise the target SLEEP Buttons 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 after 1 and 2 hours respectively.
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Page 12: Shutdown
2. Shut down the unit using the supply and secured to prevent remote control. REMKO GmbH & Co. KG or their accidental switch-on! authorised partners will be pleased 3. Switch off the voltage supply to to provide details of specialists in the unit. - Page 13 Maintenance Type of task It is recommended that you ■ take out a maintenance Checks/Maintenance/Inspection contract with an annual service from an appropriate specialist firm. • • General • • Measure voltage and current • • This ensures the operational Check compressor/fans are functioning correctly reliability of your equipment! •...
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Page 14: Troubleshooting And Customer Service
REMKO ML Troubleshooting and customer service The equipment and components are manufactured using state-of-the-art production methods and tested several times to verify their correct function. If malfunctions should occur, please check the functions as detailed in the list below. Please inform your dealer if the unit is still not working correctly after all the functional checks have... -
Page 15: Installation Instructions For Qualified Personnel
Error indicated by flashing code Display Cause Required action Faulty circulation sensor in indoor unit Contact specialist dealer Faulty frost protection sensor in indoor unit Contact specialist dealer Cooling mode: No cooling output after 30 min. Contact specialist dealer Heating mode> No heating output after 30 min. Cooling mode: Frost protection has tripped Contact specialist dealer Heating mode>... - Page 16 REMKO ML Wall breakthroughs Selecting the installation Wind location If the unit is being installed in The wall breakthrough must windy areas, ensure that the Indoor unit ■ have a diameter of min. 70 mm warm outlet air discharges in the...
- Page 17 Air intake and repair work and facilitate optimum air distribution. 1500 Air outlet Air outlet All values in mm ML 261 AT ML 351 AT ML 521 AT ML 681 AT 150 mm 700 mm 900 mm 400 mm 150 mm...
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Page 18: Installation
REMKO ML Installation Oil return measures Connecting the refrigerant NOTE pipes Installation should only be If the outdoor component is performed by authorised installed at a higher level than The connections to the refrigerant specialists. the indoor unit, suitable oil return pipes are made at the rear of the measures must be taken. - Page 19 5. Verify that the shape of the fastenings are adequate and if 12. Ensure that structure-borne flange is correct(Fig 8). necessary, take appropriate oil sound is not transferred to parts return measures! of the building . Use vibration 6. First connect and hand-tighten dampers to reduce the effects the refrigerant connections 10.
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Page 20: Tightness Check
REMKO ML Tightness check Condensation connection Once all the connections have If the temperature falls below the Fall on condensation pipe been established, the pressure dew point, condensation will form gauge station is attached as on either the vaporiser in cooling... -
Page 21: Electrical Connection Diagram
Connecting the indoor unit Connecting the outdoor component Make the connection as follows: 5. Terminate the cables as shown Proceed as follows to connect the on the electrical connection 1. Open the air intake guard. cable: diagram. 2. Unfasten the cover on the right side and at the bottom right 1. -
Page 22: Electrical Circuit Diagram
REMKO ML Electrical circuit diagram ML 261 IT to ML 681 IT Vaporiser fan motor Swing motor Display Fan motor Reverse flow valve AC-N AC-L Compressor COMP Compressor Liquefier fan Receiver board Reverse flow valve Air circulation sensor Vaporiser sensor... -
Page 23: Before Commissioning
Before Add refrigerant commissioning CAUTION Functional checks and test run Wear protective clothing when After the tightness check has handling refrigerant. been successfully completed, Check the following points: connect the vacuum pump via the pressure gauge station to Tightness of the refrigerant ■... -
Page 24: Unit Dimensions
REMKO ML 4. If no leaks are found, fully Functions. Timer, temperature 13. Check the overheating, open the stop valves by turning setting, fan speeds and outdoor, indoor, outlet and them anti-clockwise using a switching to ventilation or vaporisation temperatures and spanner. -
Page 25: Exploded View
We reserve the right to modify the dimensions and constructional design as part of the ongoing technical development process. Spare parts list Designation ML 261 IT ML 351 IT ML 521 IT ML 681 IT Front panel, complete 1109400 1109413... - Page 26 REMKO ML Exploded view ML 261 AT to ML 681 AT Spare parts list Designation ML 261 AT ML 351 AT ML 521 AT ML 681 AT Front panel 1107800 1107813 1107826 1107838 Fan blade, liquefier 1107801 1107814 1107827 1107839...
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Page 27: Technical Data
1/2 (12.70) 1/2 (12.70) 5/8 (15.90) (mm) Max. operating pressure 4200 / 4200 ML 261 IT ML 351 IT ML 521 IT ML 681 IT Data specific to indoor unit Adjustment range, room temperature °C +16 to +31 Working range °C... - Page 28 REMKO, a partner who helps solve problems. Sales REMKO not only has a well- established sales network at home and abroad, it also employs highly trained sales specialists. REMKOOur field staff are more...