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Technical data

Series

MD 261

MD 351

Operating mode

Inverter-wall room air conditioner combination for cooling and heating

Nominal cooling output 

1)

kW

2.68 (0.82 to 3.41)

3.56 (1.05 to 4.53)

Nominal heating output

2)

kW

2.96 (0.98 to 3.64)

3.86 (1.14 to 4.78)

Energy efficiency class, cooling 

1)

A

A

Energy efficiency ratio EER

1)

4,25

3,75

Energy efficiency class, heating 

2)

A

A

Coefficient of performance COP 

 2)

4,42

4,02

Operating range (room volume), approx.

80

110

Refrigerant

R 410A

Voltage supply

V/Hz

230 / 1~ / 50

Nom. electrical power consumption, cooling 

1)

kW

0,63 (0,32-1,10)

0,91 (0,41-1,48)

Nom. electrical power consumption, heating 

2)

kW

0,67 (0,35-1,15)

0,96 (0,43-1,56)

Electr. nominal power consumption cooling 

1)

A

3,00 (1,42-4,87)

4,25 (1,84-6,52)

Electr. nominal power consumption heating 

2)

A

3,09 (1,55-5,10)

4,34 (1,92-6,93)

Electr. starting current, max.

A

17

20

Refrigerant connection, injection pipe

Inches 

(mm)

1/4 (6,35)

1/4 (6,35)

Refrigerant connection, suction pipe

Inches 

(mm)

3/8 (9,52)

1/2 (12,70)

Max. operating pressure

kPa

4200 / 4200

Data specific to 

 

indoor unit

MD 261 IT

MD 351 IT

Adjustment range, room temperature

°C

+17 to +30

Working range

°C

+17 to +32

Air flow rate per stage

m³/h

375/515/650

375/500/675

Noise output per stage 

3)

dB(A)

30/35/39

30/37/40

Protection degree

IP

X0

Condensation connection

mm

16

Dimensions Height

mm

280

280

Width

mm

815

815

Depth

mm

215

215

Weight

kg

10,0

10,0

Data specific to 

 

outdoor component

MD 261 AT

MD 351 AT

Working range, cooling

°C

-15 to +50

Working range, heating

°C

-15 to +34

Air flow rate, max.

m³/h

1900

Protection degree

IP

24

Noise output max. 

3)

dB(A)

49

50

Refrigerant, basic quantity

kg

1,23

1,23

Refrigerant, additional quantity > 5 m

g/m

30

30

Refrigerant pipe, max. length

m

15

15

Refrigerant pipe, max. length

m

10

10

Dimensions Height

mm

590

590

Width

mm

820

820

Depth

mm

290

290

Weight

kg

41,0

41,0

Serial number

757...

758...

Computerised part no.

1631260

1631350

1) Air inlet temperature TK 27°C / FK 19°C, outdoor temperature TK 35 °C, FK 24 °C, max. air volume, 5m pipe length 
2) Air inlet temperature TK 20°C, outdoor temperature TK 7°C, FK 6°C, max. air volume, 5m pipe length
3) Distance 1 m free air

REMKO MD

30

Содержание MD 261

Страница 1: ...Issue GB T11 REMKO MD MD 261 MD 351 Inverter wall room air conditioner in split design Operation Technology Spare parts...

Страница 2: ......

Страница 3: ...ecycling 4 Warranty 4 Transport and packaging 5 Description of the equipment 5 Operation 6 12 Shutdown 13 Care and maintenance 13 14 Troubleshooting and customer service 15 16 Installation instruction...

Страница 4: ...by 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 l...

Страница 5: ...ents are met The indoor unit is designed for the upper wall area in the interior It is operated via an infrared remote control The outdoor component consists of a refrigerant circuit with compressor f...

Страница 6: ...also be manually operated Problems are shown in code see chapter Troubleshooting and Customer service CAUTION Immediately replace flat batter ies with a new set otherwise there is a risk of leakage I...

Страница 7: ...TIMER OFF Button This button serves to program the automatic switch off time for the device within the next 24 hours Buttons on the remote control ON OFF Button Press this button to start the unit MO...

Страница 8: ...MODE MODE MODE MODE Hr ON TIMER Hr Off TIMER SET TEMP Auto Turbo Hr ON TIMER Hr Off TIMER SET TEMP Auto Turbo Hr ON TIMER Hr Off TIMER SET TEMP Turbo Hr ON TIMER Hr Off TIMER SET TEMP Turbo Hr ON TIM...

Страница 9: ...only turns the cooling on again after a waiting period of 3 minutes Cooling Mode Hr ON TIMER Hr Off TIMER SET TEMP Turbo COOLING OPERATION Hr ON TIMER Hr Off TIMER SET TEMP Turbo OR Hr ON TIMER Hr Off...

Страница 10: ...erature is set with the buttons in 1 C increments If the room temperature is 1 C below the selected nominal temperature then the indoor unit starts to warm up the air in the room The inverter controll...

Страница 11: ...s by 2 C In heating mode the nominal temperature is decreased after one hour by 1 C and after 2 hours by 2 C The display on the indoor unit goes out With the TURBO function the maximum fan speed can b...

Страница 12: ...ng On Off button The timer display on the indoor unit goes out TIMER button Timer On OFF TIMER ON button activation delay TIMER ON Activation delay TIMER OFF button switch off delay Switch off delay M...

Страница 13: ...quipment 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 to long shutdown...

Страница 14: ...Cleaning the filter of the indoor unit 1 Disconnect the supply voltage to the equipment 2 Open the front side of the device by means of folding up the grille and allowing it to engage figure 1 3 Lift...

Страница 15: ...re interfering with transmission Does it function when switching off possible sources of interference Signal is not transmitted when interference sources are operational Button on remote control jamme...

Страница 16: ...connections must be insulated impervious to vapour diffusion If necessary insulate the condensation pipe also Select an installation location which allows air to freely flow through the inlet and out...

Страница 17: ...bracket on the wall or a floor bracket on the ground Minimum clearance to snow 20 cm Snow Windbreak Wind Pipes and cables in wall breakthrough Control cable Condensation pipe Injection pipe Suction p...

Страница 18: ...rom outside preferably using sufficiently large air intakes placed opposite each other Figure 4 Minimum clearances Observe the minimum clearances to allow access for maintenance and repair work and fa...

Страница 19: ...trical cables and condensation pipe to the indoor unit as described below 4 Hang the indoor unit onto the wall bracket by tilting it back slightly and by pressing the bottom part of the unit against t...

Страница 20: ...7 Flanging the refrigerant pipe Refrigerant pipe Deburrer 6 Deburring the refrigerant pipe 8 Correct flange shape Tighten 1 spanner Counter 2 spanner 9 Tighten the fitting Tightening torque 1 4 15 20...

Страница 21: ...nt pipes This always takes at least 60 minutes Once any foreign gases and humidity have been completely extracted from the system the valves on the pressure gauge station are closed and the valves on...

Страница 22: ...ation hose is designed to be installed on the left side view from front 10 Fall of condensation pipe minimum 2 fall When operating the unit at ambient temperatures below 0 C make sure to route the con...

Страница 23: ...standards 3 Terminate the cables as shown on the electrical connection diagram 6 Support the cable in the strain relief and re assemble the unit If an optionally available condensation pump is used o...

Страница 24: ...R W Auto Restart Sensor Vaporiser Display screen Swing motor R S C U V W RY3 4 CN6 CN7 CN5 CN4 CN28 Cn26 N B CN3 CN2 CN1 CN15 CN14 CN16 L2 N A 3 Cn10 Sensor air inlet Sensor Vaporiser Display screen...

Страница 25: ...ity Check that all fastenings mountings etc are firm and at the correct level Before commissioning Note that the employed refrigerant is always filled in liquid form CAUTION NOTE Check the overheating...

Страница 26: ...s described in the chapter Operation Timer temperature setting fan speeds and switching to ventilation or dehumidifying mode 9 Check the correct function of the condensation pipe by pouring distilled...

Страница 27: ...Unit dimensions Dimensional and design changes to advance technical progress are reserved MD 261 IT MD 351 IT 280 815 215 MD 261 AT MD 351 AT 760 590 270 530 290 27...

Страница 28: ...D 261 IT MD 351 IT 1 Complete front face 1109700 1109714 2 Air filter set 1109701 1109715 3 Board display 1109702 1109716 4 Swing motor 1109703 1109717 5 Air outlet fins set 1109704 1109718 6 Condensa...

Страница 29: ...109769 1109786 10 Stop valve injection pipe 1109770 1109787 11 Valve cover 1109771 1109788 12 Reverse flow valve 1109772 1109789 Spare parts not illustrated Control board 1109773 1109790 Condenser com...

Страница 30: ...8 9 52 1 2 12 70 Max operating pressure kPa 4200 4200 Data specific to indoor unit MD 261 IT MD 351 IT Adjustment range room temperature C 17 to 30 Working range C 17 to 32 Air flow rate per stage m...

Страница 31: ...Notes 31...

Страница 32: ...ust advise our clients 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 quic...

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