Remko ML 263 DC Manuale Utente

Assembly and operating instructionsRead the instructions prior to performing any task!REMKO ML...DCML 263 DC, ML 353 DC, ML 523 DCInverter wall-mounte

2.2 Unit dimensions Outdoor unitsABCDEFig. 1: Outdoor unit dimensions ML 263 DC AT-523 DC AT (All measurements in mm)Dimensions (mm) A B C D EML 2

2.3 Performance curves for heating and cooling Heating capacity ML 263 DC0,001,002,003,004,005,0012 7 2 0 -7 - 10 -15213A[°C]Fig. 3: Performance c

Heating capacity ML 353 DC0,001,002,003,004,005,0012 7 2 0 -7 -10 -15213A[°C]Fig. 5: Performance curves, heating ML 353 DC (data for 20 °C indoor temp

Heating capacity ML 523 DC0,001,002,003,004,005,006,007,0012 7 2 0 -7 -10 -15213A[°C]Fig. 7: Performance curves, heating ML 523 DC (data for 20 °C ind

3 Design and function 3.1 Unit description The ML 263 DC-523 DC room air conditionershave a REMKO ML...AT outdoor unit as well as anML...IT indo

4 Operation The indoor unit is easily operated using thestandard infrared remote control. The indoor unitbeeps to acknowledge the correct transmiss

Keys on the remote control214357912146 8101113Fig. 14: Keys on the remote control1 "ON/OFF" keyPress this key to put the unit into operation

9 "FOLLOW ME" keyPressing this key initiates the "Follow Me" function.The display on the remote control shows the actualtemperatur

Key functionsA symbol is shown on the display to indicate thatthe settings are being transferred."Auto" modeMake sure that the indoor unit i

1. Press the "MODE" key to select "Dehumidifi-cation" mode.2. Press the "UP/DOWN" key to set the desiredtemperature. The

Installation and operating instructions (translation of the orig-inal)Read these operating instructions carefully before commis-sioning / using this d

Setting the "Auto off" time1. Press the "TIMER OFF" key. The remotecontrol shows "TIMER OFF", the last "Autooff&quo

StopAn10 Stunden späterZeit einstellenStopOnSet time 10 hours laterFig. 21: "TIMER OFF" exampleCombined TIMER (setting "TIMER ON"

SLEEP functionIn this function, the unit automatically increases (incooling mode) or reduces (in heat mode) the tem-perature in the first two hours by

5 Installation instructions for qualified personnel 5.1 Important notes prior to instal-lation n Transport the unit in its original packaging as

5.4 Selection of installationlocation Indoor unitThe indoor unit is designed for horizontal wallinstallation above doors. However, it can also beu

21K3W3Fig. 28: Installation inside buildingsK: Cold fresh airW: Warm air1: Outdoor unit2: Additional fan3: Air shaft5.5 Minimum clearances Obse

5.6 Oil return measures If the outdoor unit is installed at a higher level thanthe indoor unit, suitable oil return measures mustbe taken. Usually,

6 Installation 6.1 Installation of the indoor unit The indoor unit is attached by means of a wallbracket, taking into consideration the air outl

The following instructions describe the installationof the cooling cycle and the assembly of the indoorunit and the outdoor unit.1. The required pipe

1Fig. 35: Flanging the refrigerant piping1: Flanging toolFig. 36: Correct flange shape21Fig. 37: Tightening the fitting1: Tighten with the first open-

Table of contents1 Safety and usage instructions...

6.4 Leak testing Once all the connections have been made, thepressure gauge station is attached to the Schradervalve as follows (if fitted):red = s

7 Condensate drainageconnection and safedrainage 32495 51110068710 1012 121Fig. 38: Condensate drainage, seepage of conden-sate and strip foundatio

min. 2% Fig. 40: Condensate drainage connection - IndoorunitSafe drainage in the event of leakagesThe REMKO oil separator OA 2.2 fulfils the fol-lowin

8 Electrical wiring 8.1 General Information A protected power supply cable is to be connectedto the outdoor unit and a four-wire control line to

8.3 Connecting the outdoor unit Proceed as follows to connect the line:1. Remove the side-panel cover.2. Choose a cable-section according to the re

Connecting of optional condensate pump KP 6 / KP 8L N PE L N PE L(1) 1 2(N) S L(1) 1 2(N) S L N WH BK ABC123Fig. 44: Electrical wiring di

8.5 Electrical drawings Indoor unit ML 263 DC IT3 4 CE-KFR26G/BP3N1Y-11M.D.11.NP2-1 202302130849 L_IN CN10 CN11 CN5 CN9 CN8 L_OUT SW1 CN4 CN6 CN1

Indoor unit ML 353 DC IT3 4 CE-KFR26G/BP3N1Y-11M.D.11.NP2-1 202302130860 L_IN CN10A CN11 CN16 CN5 CN4 CN9 CN8 L_OUT SW1 35A421BCDFig. 46: Electric

Indoor unit ML 523 DC IT3 4 CE-KFR26G/BP3N1Y-11M.D.11.NP2-1 202302130860 L_IN CN10A CN11 CN16 CN5 CN4 CN9 CN8 L_OUT SW1 35A421BCDFig. 47: Elect

Outdoor unit ML 263 DC AT3 4 CN19 CN6 CN8 CN7 CN4 CN14 CN100 CN2 CN12 CN11 CN16 CN18 CN13 CN15 CN3 CN10 CN5 45267CA B1 3Fig. 48: Electrical drawings

11.2 Indoor unit fault analysis... 4612 Car

Outdoor unit ML 353 DC ATX CN302 CN303 CN8 CN10 CN11 CN301 CN13 CN12 CN15 3 4 CN401 CN400 CN9 CN104 CN103 CN102 CE-KFR26W/BP3(PFC).D.13.WP2-1 2023021

Outdoor unit ML 523 DC ATX CN302 CN303 CN8 CN10 CN11 CN301 CN13 CN12 CN15 3 4 CN401 CN400 CN9 CN104 CN103 CN102 CN100 CE-KFR26W/BP3(PFC).D.13.WP2-1 2

9 Before commissioning After leak testing has been successfully com-pleted, connect the vacuum pump via the pressuregauge station to the valve conn

Function test of the cooling and heating modes1. Remove the protective caps from the valves.2. Start the commissioning procedure by brieflyopening the

11 Troubleshooting, fault analysis and customer service 11.1 Troubleshooting and customer service The unit and components are manufactured using

Malfunction Possible causes Checks Remedial measuresBatteries in remote con-trol are flatHave new batteries beeninserted? Is the displayincomplete?Ins

Fault indicated on indoor unitDisplay Cause Required actionE0 EEPROM error Contact specialist dealerE1Communication fault between outdoor unit andindo

Fault E1: Communication error between outdoor and indoor unitSwitch the unit off for 5 seconds. Is the fault stillshown on the display? YESCheck all c

Fault E3: Fan speed incorrectSwitch the unit offfor 5 seconds. Is thefault still shown onthe display?NOThe unit operates normally.YES Switch the uni

Fault EC: No cooling performance or heating performance after 30 minutesSwitch the unit off for 5 seconds. Is the fault stillshown on the display? YES

1 Safety andusage instructions 1.1 General safety notes Carefully read the operating manual before com-missioning the units for the first time.

Fault P1: Overvoltage/undervoltage protection AT trippedCheck whether the power supply is present andcorrect. Is this normal?NOSwitch the supply and t

Resistance values for probes T1, T2, T3 and T4Temperature(°C)5 10 15 20 25 30 40 50 60Resistance value(kW)26.9 20.7 16.1 12.6 10.0 8.0 5.2 3.5 2.4Resi

12 Care andmaintenance Regular care and observation of some basic pointswill ensure trouble-free operation and a longservice life. DANGER!Prior to

Cleaning the housing1. Disconnect the power supply to the unit.2. Open and fold the air inlet grill on the frontside upwards.3. Clean the grill and co

13 Shutdown Temporary shutdown1. Let the indoor unit run for 2 to 3 hours inrecirculation mode, or in cooling mode atmaximum temperature, to extrac

14 Exploded view and spare parts lists 14.1 Exploded view - Indoor unit Fig. 55: Exploded view of the unit ML 263 DC IT-523 DC ITWe reserve the

14.2 Spare parts list - Indoor unit Please contact REMKO GmbH & Co. KG directly to order spare parts. All of the spare parts numbers for yourun

14.3 Exploded view - Outdoor unit Fig. 56: Exploded view of the unit ML 263 DC AT-523 DC ATWe reserve the right to modify the dimensions and design

14.4 Spare parts list - Outdoor unit Please contact REMKO GmbH & Co. KG directly to order spare parts. All of the spare parts numbers for youru

15 Index AAlarmsChecks... 44Possible causes... 44Re

1.6 Safety notes for the operator The operational safety of the units and compo-nents is only assured providing they are used asintended and in a f

REMKO ML...DC 60

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REMKO ML...DC 62

ConsultingThanks to intensive training, our consultants are always completely up-to-date in terms of technical knowledge. This has given us the reputa

1.11 Transport and packaging The devices are supplied in a sturdy shipping con-tainer. Please check the equipment immediatelyupon delivery and note

2 Technical data 2.1 Unit data Series ML 263 DC ML 353 DC ML 523 DCOperating mode Inverter wall-mounted room air conditioner combinationfor coo

Data specific to outdoor unit ML 263 DC AT ML 353 DC AT ML 523 DC ATPower supplyV/Ph/Hz230 / 1~ / 50Operating range, cooling °C +5 to +50Operating ran