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Care and maintenance

Regular care and observation of some basic points

will ensure trouble-free operation and a long

service life.

DANGER!

Prior to performing any work, ensure the equip-

ment is disconnected from the voltage supply

and secured to prevent accidental switch-on!

Care

Ensure the unit is protected against dirt, mould

and other deposits.

Only clean the unit 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 unit prior to long shut-

down periods.

Maintenance

It is recommended that you take out a mainte-

nance contract with an annual service from an

appropriate specialist firm.

This enables you to ensure the operational reli-

ability of the plant at all times!

NOTICE!

Statutory regulations require an annual leak test

for the cooling cycle dependant on the refrig-

erant quantity. Inspection and documentation of

the work performed is to be carried out by spe-

cialist technicians.

Type of task

Checks/maintenance/inspection

Commis-

sioning

Monthly

Every 6

months

Yearly

General

Check voltage and current

Check function of compressor/fans

Dirt on condenser/evaporator

Check refrigerant fill quantity

Check condensate drainage

Check insulation

Check moving parts

Sealing test for cooling cycle

See note

REMKO ML series

Содержание ML 265 DC

Страница 1: ...ting and installation instructions Read the instructions prior to performing any task REMKO ML series ML 265 DC ML 355 DC ML 525 DC ML 685 DC Wall mounted units in split design 0245 2020 01 Edition 1...

Страница 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...

Страница 3: ...Instructions for qualified personnel 22 5 1 Important notes prior to installation 22 5 2 Wall openings 22 5 3 Installation materials 22 5 4 Selection of installation location 23 5 5 Minimum clearances...

Страница 4: ...10 2 Indoor unit fault analysis 46 10 3 Resistances of the temperature probes 57 11 Care and maintenance 60 12 Shutdown 62 13 Exploded view and spare parts lists 63 13 1 Exploded view Indoor unit 63...

Страница 5: ...to highlight 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...

Страница 6: ...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 installat...

Страница 7: ...parts may 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 a...

Страница 8: ...oved 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 the devic...

Страница 9: ...4 Energy efficiency ratio SCOP 4 4 0 4 2 4 0 4 0 Electrical rated power consumption heating 2 kW 0 72 1 05 1 45 2 18 Electrical rated current consumption heating 2 A 3 44 4 5 6 4 9 5 Power consumptio...

Страница 10: ...d pressure level per stage 5 dB A 22 30 37 22 30 38 27 33 42 30 44 44 Sound pressure level Silent Turbo mode 5 dB A 20 39 21 41 26 45 26 46 Sound power level max dB A 53 55 57 62 Enclosure class IP X0...

Страница 11: ...54 0 84 1 08 Refrigerant additional quantity 5 m g m 20 40 Refrigerant piping max length m 25 30 50 Refrigerant piping max height m 10 20 25 Refrigerant connection injection pipe Inches mm 1 4 6 35 3...

Страница 12: ...554 333 ML 685 DC AT 845 540 350 702 363 Indoor units B A C Fig 2 Indoor unit dimensions ML 265 DC 685 DC IT All measurements in mm Measurements mm A B C ML 265 DC IT 290 722 187 ML 355 DC IT 297 802...

Страница 13: ...n infrared remote control The outdoor unit consists of a cooling cycle with compressor fin condenser condenser fan reversing valve and throttle element The outdoor unit is controlled by the regulation...

Страница 14: ...received correctly if the remote 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 d...

Страница 15: ...pted by pressing the MODE FAN Speed or ON OFF keys 5 FRESH key Press this key to activate deactivate the ion gener ator air freshener 6 TURBO key Activation of the turbo function makes it possible to...

Страница 16: ...i cally deactivated 14 LED key This activates deactivates the display on the indoor unit Indicators on the LCD 2 1 4 3 6 9 8 10 5 7 11 13 12 Fig 9 Indicators on the LCD 1 Mode indicator shows the curr...

Страница 17: ...the Arrow up down key to set the desired temperature The temperature can be set between 17 and 30 C in increments of 1 C 3 Press the ON OFF key to switch on the air conditioning unit 1 3 2 Fig 10 Auto...

Страница 18: ...MER ON key to set the switch on time and the TIMER OFF key to set the switch off time for the unit Setting the switch on time 1 Press the TIMER ON key The remote con trol shows TIMER ON the last switc...

Страница 19: ...to the following settings 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 and 24 Example TIMER function settings TIMER ON Auto on...

Страница 20: ...is acti vated On Set time Stop Start 2 hours later after setting 10 hours later after setting Fig 16 TIMER OFF TIMER ON example TIMER ON TIMER OFF Off Start Stop Example You want the air conditioning...

Страница 21: ...after 1 hour After one more hour the room temperature is increased by an additional 1 C In heating mode the room temperature is decreased within the first two hours of operation by 2 C After 7 hours...

Страница 22: ...oil return if the outdoor unit is located above the indoor unit see section Oil return measures n Add refrigerant if the basic length of the refrig erant piping exceeds 5 metres For the quantity of ad...

Страница 23: ...on is to build a small roofed area over the unit These measures should not affect the flow of warm outlet air Wind If the unit is being installed in windy areas ensure that the warm outlet air is disc...

Страница 24: ...cess for maintenance and repair work and facilitate optimum air distribution 2 1 2 1 A B C D E E C A B F IT AT Fig 24 Minimum clearances of the indoor unit and outdoor unit AT Outdoor unit IT Indoor u...

Страница 25: ...or indoor units ML 265 DC 685 DC IT rear view Measurements mm A B C D E F G H ML 265 DC IT 372 350 37 50 100 197 542 180 ML 355 DC IT 375 427 43 44 111 204 545 257 ML 525 DC IT 543 423 53 55 111 135 8...

Страница 26: ...erant piping is installed under the plaster If the customer routes the refrigerant piping to the unit underneath the plaster observe the following note The principal connection options can be found in...

Страница 27: ...he unit is attached by means of a wall bracket considering the air discharge side located in the lower part 1 Mark the mounting points on the structurally permissible building sections according to th...

Страница 28: ...erating manual for the indoor unit 3 Use the wall or floor brackets to fit the out door unit against structural parts approved to support the static load refer to the installa tion instructions for th...

Страница 29: ...electrical lines and refrigerant piping The con nections of the individual circuits must not be mixed up Mixing up the assignment of control lines and refrigerant piping can have fatal con sequences c...

Страница 30: ...n made successfully the leak test is carried out with dry nitrogen Leak testing involves spraying a leak detection spray onto the connections If bubbles are visible the connections have not been made...

Страница 31: ...bal warming than those with a high greenhouse potential This unit contains refrigerant with a greenhouse potential of 675 That means the escape of 1 kg of this refrigerant has an effect on global warm...

Страница 32: ...drainage line is laid to protect it against frost The lower part of the housing and condensate tray is also to be kept frost free in order to ensure permanent draining of the condensate If necessary...

Страница 33: ...y that they are seated correctly and make permanent contact Tighten as required 7 2 Connecting the indoor unit n We recommend that a mains repair switch be installed near the outdoor unit n The termin...

Страница 34: ...electrical connection diagram 4 Fix the line in the strain relief and re assemble the unit Fig 38 Connecting the outdoor unit 7 4 Electrical wiring diagram Connection ML 265 DC 685 DC B A 230V 1 50 Hz...

Страница 35: ...N PE L N PE L N WH BK PE A B C 1 2 3 W 1 L 2 N S PE W 1 L 2 N S Fig 40 Electrical wiring diagram A Outdoor unit B Indoor unit C KP6 KP8 condensate pump 1 Power supply cable 2 Condensate pump supply 3...

Страница 36: ...OUT L IN N IN Cn31 Blau Blue CN 24 CN 33 CN 22 CN 19 CN 27 CN 18 B Fig 41 Electrical drawings A Control board B Display circuit board C Control line from outdoor unit 1 DC fan motor 2 Engine trim LED...

Страница 37: ...ck Gelb oder Schwarz Braun Brown Yellow and Green Gelb und Gr n Fig 42 Electrical drawings A Control board B Power supply cable C Lines to indoor unit 1 Reversing valve 2 Crankcase heating 3 Condensat...

Страница 38: ...N 414 M W V U CN 13 CN 12 Blau Blue CN 1 CN 10 L OUT RY 1 9 Fig 43 Electrical drawings A Control board B Power supply cable C Control line to indoor unit 1 Condensate tray heating 2 Crankcase heating...

Страница 39: ...G CN6 1 Y G Rot 1 L 2 N S L N Blau Schwarz L N W 3 CN16HEAT CN5 Rot Schwarz Fig 44 Electrical drawings A Control board 1 Supply line to the indoor unit 2 Power supply cable 3 4 way valve optional 4 Cr...

Страница 40: ...ed Fig 48 Terminals Terminal 5 V Non functional Terminals switch 1 2 For this function you must first jumper remove at the multifunction board Potential free contact for switching the unit off externa...

Страница 41: ...ding settings see Fig 51 Fig 50 DIP switch Fig 51 DIP switch settings The factory setting is programmed to address 0 The DIP switch S1 specifies the address range e g both switches to OFF address 0 15...

Страница 42: ...indoor unit and outdoor unit when commissioning the entire system Once all the components have been connected and tested the system can be put into operation A functional check should be performed to...

Страница 43: ...ximum fan speed and lowest target temperature 8 Check the overheating outside inside outlet and vaporisation temperatures and record the measured values in the commissioning report Check the correct f...

Страница 44: ...f indoor unit and outdoor unit Electrical surges caused by thunderstorms Have there been light ning strikes in the area recently Switch off the mains breaker and switch it back on Have it inspected by...

Страница 45: ...d the pump not running Call out a specialist to replace the pump Condensate has not drained away and has collected in the conden sate drainage line Is there an incline on the condensate drainage line...

Страница 46: ...r actuation error P1 Over voltage or under voltage error P2 Compressor overheating protection heat gas temperature too high P4 Inverter control disabled EC No cooling capacity after 30 minutes CP No e...

Страница 47: ...fluctuate between 25 V and 25 V NO Check electrical connections in the indoor unit Are they OK YES YES Check electrical connections in the outdoor unit Are they OK Replace the control boards of the in...

Страница 48: ...erates normally YES De energise the unit and attempt to turn the fan wheel by hand Does it rotate freely NO Check the motor and the fan wheel bearing and replace the defective parts YES Check the elec...

Страница 49: ...se differ there is a problem with the control board and it must be replaced 1 3 4 5 6 Fig 53 Motor measurements Terminal Colour Voltage 1 Red 280V 380V 2 3 Black 0 V 4 White 14 17 5V 5 Yellow 0 5 6V 6...

Страница 50: ...ing circuit blocked n Evaporator probe T2 defective n Indoor unit control board defective Switch off voltage switch on again 2 minutes later Is the error still present YES Check whether the indoor uni...

Страница 51: ...ction faulty n Temperature probe defective n Control board defective Check the connecting cable between the con trol board and the temperature probe Is it OK and correctly connected NO Establish a pro...

Страница 52: ...ect supply voltage YES Check the cooling circuit for any blockages Is the cooling circuit OK NO Remove the blockage shut off valve open YES Check the winding resistances of the com pressor Are they OK...

Страница 53: ...on page 53 Error rectified NO Replace the control board YES Check the condenser fan motor Is it working correctly NO See troubleshooting fault F5 YES Check the winding resistances of the com pressor A...

Страница 54: ...eck the electrical connections Are they OK NO Replace the electrical connections YES Switch the power on and put the unit into standby mode Measure the voltage on the board at contacts P and N This sh...

Страница 55: ...ey blocked or dirty YES Clean the filter or heat exchanger and ensure a sufficient air flow volume NO Switch off the power supply to the unit and switch it on again after 10 mins Does the unit start u...

Страница 56: ...these cor rectly implemented YES Establish a proper connection NO Check the inverter controller Is this functional NO Replace the control board YES Check the condenser fan motor Is this OK NO Follow...

Страница 57: ...13 5 26 88 37 5 87 6 25 50 38 5 63 7 24 19 39 5 40 8 22 57 40 5 18 9 21 81 41 4 96 10 20 72 42 4 76 11 19 69 43 4 57 Temp C Resistance kW Temp C Resistance kW 44 4 39 79 1 21 45 4 21 80 1 17 46 4 05 8...

Страница 58: ...4 11 104 6 6 247 8 12 99 69 5 234 9 13 95 05 4 222 8 14 90 66 3 211 4 15 86 49 Temp C Resistance kW Temp C Resistance kW 16 82 54 51 18 96 17 78 79 52 18 26 18 75 24 53 17 58 19 71 86 54 16 94 20 68 6...

Страница 59: ...113 2 56 91 4 85 114 2 49 92 4 70 115 2 42 93 4 56 116 2 36 94 4 43 117 2 29 95 4 29 118 2 23 96 4 17 119 2 17 97 4 05 120 2 12 98 3 93 121 2 06 99 3 81 122 2 01 100 3 70 123 1 96 101 3 60 124 1 91 10...

Страница 60: ...that you take out a mainte nance contract with an annual service from an appropriate specialist firm This enables you to ensure the operational reli ability of the plant at all times NOTICE Statutory...

Страница 61: ...so turn the dirty side so it is facing upwards 5 Dirt can also be removed by carefully cleaning with lukewarm water and mild cleaning agents Fig 58 The dirty side should be face down 6 If water is us...

Страница 62: ...rical power supply to the unit 4 Cover the unit as far as possible with plastic foil in order to protect it from the influences of weather Permanent shutdown Ensure that units and components are dispo...

Страница 63: ...Indoor unit 11 6 4 9 10 13 12 1 3 7 8 5 2 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Fig 59 Exploded view of the unit ML 265 DC 685 DC IT We reserve the right to modify the dimensions and desi...

Страница 64: ...rd 11 IR remote control 12 Room temperature probe T1 13 Temperature probe evaporator T2 14 Housing front 15 Plastic covering terminal block 16 Plastic covering board 17 Housing part electronics module...

Страница 65: ...nit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 17 18 16 21 19 15 20 22 Fig 60 Exploded view of the outdoor units ML 265 DC 685 DC AT We reserve the right to modify the dimensions and design as part of the ongoi...

Страница 66: ...r bracket 6 Corner panel 7 Housing cover 8 Base plate 9 Partitioning panel 10 Air probe condenser 11 Condenser 12 Condenser pipe placement probe 13 Inductor 14 Control board 15 Shut off valve injectio...

Страница 67: ...s 22 Intended use 7 K Keys on the remote control 15 M Maintenance 60 Manual mode 14 Minimum clearances 24 Multifunction board connection 40 O Oil return measures 27 Ordering spare parts 64 66 P Propel...

Страница 68: ...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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