REMKO RVD 1054 DC Assembly And Operating Instructions Manual Download Page 4

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Troubleshooting, customer service and fault analysis

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12.1 Troubleshooting and customer service....................................................................................... 53
12.2 Indoor unit fault analysis............................................................................................................. 57

Care and maintenance

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Exploded view and spare parts lists

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Exploded view - Outdoor unit RVD 354 DC

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Spare parts list - Outdoor unit RVD 354 DC

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Exploded view - Outdoor unit RVD 524 DC

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Spare parts list - Outdoor unit RVD 524 DC

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Exploded view - Outdoor unit RVD 684 DC

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Spare parts list - Outdoor unit RVD 684 DC

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Exploded view - Outdoor unit RVD 1054 DC

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Spare parts list - Outdoor unit RVD 1054 DC

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Index

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REMKO RVD series

Summary of Contents for RVD 1054 DC

Page 1: ...y and operating instructions Read the instructions prior to performing any task REMKO RVD series Ceiling cassettes cooling and heating RVD 354 DC RVD 524 DC RVD 684 DC RVD 1054 DC 0137 2018 10 Edition 2 en_GB ...

Page 2: ...ig inal Read these 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 modifications No liability accepted for errors or mis prints ...

Page 3: ...nit description 17 4 Operation 18 4 1 General notes 18 4 2 Display on indoor unit 19 4 3 Keys on the remote control 20 5 Installation instructions for qualified personnel 26 5 1 Important notes prior to installation 26 5 2 Wall openings 26 5 3 Installation materials 26 5 4 Selection of installation location 27 5 5 Minimum clearances 28 5 6 Oil return measures 29 6 Installation 29 6 1 Unit installa...

Page 4: ...54 524 DC 72 14 3 Exploded view Indoor unit RVD 684 1054 DC 73 14 4 Spare parts list Indoor unit RVD 684 1054 DC 74 15 Exploded view Outdoor unit RVD 354 DC 75 16 Spare parts list Outdoor unit RVD 354 DC 76 17 Exploded view Outdoor unit RVD 524 DC 77 18 Spare parts list Outdoor unit RVD 524 DC 78 19 Exploded view Outdoor unit RVD 684 DC 79 20 Spare parts list Outdoor unit RVD 684 DC 80 21 Exploded...

Page 5: ...ided may be fatal or cause serious injury WARNING This combination of symbol and signal word warns of a potentially hazardous situation which if not avoided may be fatal or cause serious injury CAUTION This combination of symbol and signal word warns of a potentially hazardous situation which if not avoided may cause injury or mate rial and environmental damage NOTICE This combination of symbol an...

Page 6: ...se at the factory The units may only be secured or mounted on stable structures walls or floors n The units and components should not be oper ated in areas where there is a heightened risk of damage Observe the minimum clearances n The units and components must be kept at an adequate distance from flammable explosive combustible abrasive and dirty areas or atmospheres n Safety devices may not be m...

Page 7: ...rotection and recycling Disposal of packaging All products are packed for transport in environ mentally friendly materials Make a valuable contri bution to reducing waste and sustaining raw mate rials Only dispose of packaging at approved collection points Disposal of equipment and components Only recyclable materials are used in the manufac ture of the devices and components Help protect the envi...

Page 8: ... Energy efficiency ratio SCOP 4 4 0 4 0 4 0 4 0 Rated power consumption electrical heating 2 kW 0 99 1 50 1 90 3 09 Rated elec curr consump heating 2 A 4 5 6 8 8 7 5 3 Power consumption annual QHE 3 kWh 1260 1680 2030 3535 Energy efficienc ratio heating 2 A A A A Max power consumption kW 1 8 2 5 3 2 4 6 Max current consumption A 8 4 11 5 14 4 8 1 EDP no 1623805 1623815 1623825 1623835 1 Air inlet ...

Page 9: ...9 42 46 47 50 53 Enclosure class IP X0 Refrigerant connection liquid pipe Inches mm 1 4 6 35 1 4 6 35 3 8 9 52 3 8 9 52 Refrigerant connection suction pipe Inches mm 3 8 9 52 1 2 12 7 5 8 15 9 5 8 15 9 Condensate drainage connection mm 25 25 32 32 Condensate pump flow rate max mm WS 500 500 750 750 Dimensions length width depth mm 570 570 260 570 570 260 840 840 245 840 840 245 Cover dimensions le...

Page 10: ...ant additional quantity 5m g m 15 15 30 30 Refrigerant piping max length m 25 30 50 65 Refrigerant piping max height m 10 20 25 30 Refrigerant connection liquid pipe Inches mm 1 4 6 35 1 4 6 35 3 8 9 52 3 8 9 52 Refrigerant connection suction pipe Inches mm 3 8 9 52 1 2 12 7 5 8 15 9 5 8 15 9 Dimensions Height width depth mm 554 800 333 554 800 333 702 845 363 810 946 410 Weight kg 34 5 35 5 49 0 ...

Page 11: ...1054 DC AT all measurements in mm Measurements mm A B C D E RVD 354 524 DC 800 554 333 514 340 RVD 684 DC 845 702 363 540 350 RVD 1054 DC 946 810 410 673 403 We reserve the right to modify the dimensions and design as part of the ongoing technical development process 11 ...

Page 12: ... all measurements in mm A RVD 354 524 DC B RVD 684 1054 DC 1 Ceiling 2 Suspended ceiling 3 Floor 4 Condensate drainage connection 5 Injection pipe connection 6 Ceiling cut out 7 Unit trim 8 Suction pipe connection 9 Refrigerant piping connections We reserve the right to modify the dimensions and design as part of the ongoing technical development process REMKO RVD series 12 ...

Page 13: ...pacity in kW 2 46 2 67 2 87 3 36 4 10 4 47 Power consumption in kW 0 80 0 85 0 90 0 95 1 00 1 02 COP 3 09 3 15 3 20 3 56 4 12 4 36 Cooling capacity RVD 354 DC 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 6 50 20 25 30 35 40 2 1 3 A C Fig 4 Performance curves cooling RVD 354 DC data for room temperature FK 27 C TK 19 C A Outside temperature 1 EER 2 Cooling capacity in kW 3 Power...

Page 14: ... 5 57 6 07 Power consumption in kW 1 20 1 28 1 35 1 43 1 50 1 55 COP 2 79 2 84 2 89 3 21 3 71 3 93 Cooling capacity RVD 524 DC 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 6 50 20 25 30 35 40 2 1 3 A C Fig 6 Performance curves cooling RVD 524 DC data for room temperature FK 27 C TK 19 C A Outside temperature 1 EER 2 Cooling capacity in kW 3 Power consumption in kW Outside tempe...

Page 15: ... 92 5 76 7 03 7 66 Power consumption in kW 1 52 1 62 1 71 1 81 1 90 1 96 COP 2 78 2 83 2 88 3 19 3 70 3 92 Cooling capacity RVD 684 DC 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 6 50 7 00 7 50 8 00 8 50 20 25 30 35 40 2 1 3 A C Fig 8 Performance curves cooling RVD 684 DC data for room temperature FK 27 C TK 19 C A Outside temperature 1 EER 2 Cooling capacity in kW 3 Power con...

Page 16: ...13 12 13 Power consumption in kW 2 47 2 62 2 78 2 93 3 09 3 18 COP 2 71 2 76 2 81 3 11 3 61 3 82 Cooling capacity RVD 1054 DC 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 6 50 7 00 7 50 8 00 8 50 9 00 9 50 10 00 10 50 11 00 11 50 12 00 12 50 13 00 20 25 30 35 40 2 1 3 A C Fig 10 Performance curves cooling RVD 1054 DC data for room temperature FK 27 C TK 19 C A Outside temperatu...

Page 17: ...oor unit is designed for indoor areas for suspended ceilings with Euroraster dimensions The cassette is hidden behind the suspended ceiling only its cover is visible It is operated by an infrared remote control The indoor unit consists of a fin evaporator evaporator fan regulation system and condensate tray with condensate pump Floor consoles wall consoles refrigerant piping and winter fan speed c...

Page 18: ...emote control The infrared remote control sends the programmed settings a distance of up to 6 m to the receiver of the indoor unit Data will only be 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 do so remove the flap from the battery compartment an...

Page 19: ... our recommendation 4 2 Display on indoor unit Display on indoor unit RVD 354 524 DC The LED indicators illuminate to indicate the set tings OPERATION LED green unit switched on TIMER LED yellow timer programmed DEF FAN LED red defrosting active recirculation mode ALARM LED red alarm present 1 3 5 2 4 6 Fig 15 Display on the unit RVD 354 524 DC 1 Unit for receiving signals from the remote con trol...

Page 20: ...akes it possible to reach the setpoint in cooling or heating mode as fast as possible 7 SELF CLEAN key no function 8 ARROW UP and ARROW DOWN keys ARROW UP key Press the key in order to increase the setpoint in 1 C steps to a maximum 30 C ARROW DOWN key Press the key in order to reduce the setpoint in 1 C steps to a minimum 17 C 9 SILENCE FP key no function 10 TIMER ON key Press this key to activat...

Page 21: ...FF key is pressed Pressing this key again causes the indicator to go out 4 TIMER ON symbol This symbol appears when TIMER ON is switched on 5 ECO function not available 6 TIMER OFF symbol This symbol appears when TIMER OFF is switched on 7 Battery charge status weak 8 Sleep symbol This symbol appears when the Sleep function is activated Pressing this key again causes the indicator to go out 9 Temp...

Page 22: ...ow 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 19 Auto mode Cooling Heating and Recirculation mode Make sure that the indoor unit is connected to the power supply and is switched on 1 Press the MODE key to select from oper ating modes Cooling Heating or Recircu...

Page 23: ...ss the TIMER 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 switch on time setting and the symbol H appear on the display The unit is now ready to reset the switch on time and to start TIMER ON mode 2 Press the TIMER ON key again to set the desired switch ...

Page 24: ...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 mode Example You want the air conditioning unit to switch on 2 hours from the time it was programmed 1 Press the TIMER ON key The last oper ating time setting for the timer and the H symbols appear on the di...

Page 25: ... function is acti vated On Set time Stop Start 2 hours later after setting 10 hours later after setting Fig 25 TIMER OFF TIMER ON example TIMER ON ð TIMER OFF Off ð Start ð Stop Example You want the air conditioning unit to switch on in two hours from the time it was programmed and switch back off five hours later 1 Press the TIMER ON key 2 Press the TIMER ON key again until 2 0H is shown in the T...

Page 26: ...filtra tion of moisture and never kink or compress the refrigerant piping n Avoid unnecessary bends This minimises the pressure loss in the refrigerant piping and ensures that the compressor oil can flow back without obstruction n Use the fastening materials provided in the scope of supply for the units n Use four supports and the associated hooks to attach the ceiling cassette n Use the insulated...

Page 27: ...eleased by the finned heat exchanger The outdoor unit should be installed on to the north side of the building whenever possible If necessary take measures to provide sufficient shade responsibility of cus tomer This could be a small roof However the discharging warm air flow must not be affected by the measures Wind If the unit is being installed in windy areas ensure that the warm outlet air is ...

Page 28: ...tions affecting the statics of the building If neces sary fit acoustic installation 2 1 K 3 W 3 Fig 30 Installation inside buildings K Cold fresh air W Warm air 1 Outdoor unit 2 Additional fan 3 Air shaft 5 5 Minimum clearances Observe the minimum clearances to allow access for maintenance and repair work and facilitate optimum air distribution 1000 1000 E C B A D 2 1 1000 1000 1000 IT AT Fig 31 M...

Page 29: ...eaded rods Take into account the ceiling grid and any other installations 1 Use the dimensions of the ceiling cassette to mark the fixing points for the threaded rods on structural parts approved to support the static load above the suspended ceiling Fig 33 2 Fit the indoor unit onto the threaded rods and use the lower nuts to level the unit Fig 34 3 Adhere to a ceiling clearance of at least 30 mm...

Page 30: ... air 1 Fig 36 Fresh air connection 1 Fresh air connection NOTICE Only use one fresh air connection NOTICE The unit is factory filled with dry nitrogen for leak testing purposes The pressurised nitrogen is released when the union nuts are undone Fresh air connection The unit can also be employed to suck in and reg ulate the temperature of fresh air outdoor air in addition to room air This is the pr...

Page 31: ...he customer 1 Fig 38 Fresh air inlet 1 Fresh air inlet 6 2 Connection of refrigerant piping The refrigerant piping is connected on the back side of the units It may be necessary to fit a reducer or flared adapter to the indoor unit These fittings are included with the indoor unit as an accessory kit Once installed the connections should be insu lated to make them vapour diffusion proof NOTICE Use ...

Page 32: ...ge is correct Fig 41 10 First connect and hand tighten the refrigerant piping to ensure it is correctly seated 11 Then tighten the fittings with 2 appropriately sized open ended spanners Use one spanner to counter the force when tightening the fitting Fig 42 12 Use insulation hoses which are designed for this temperature range and are diffusion proof 13 Observe the permitted bending radius for the...

Page 33: ...ol Fig 41 Correct flange shape 2 1 Fig 42 Tightening the fitting 1 Tighten with the first open ended spanner 2 Counter with the second open ended spanner Pipe dimension in inches Tightening torque in Nm 1 4 15 20 3 8 33 40 1 2 50 60 5 8 65 75 3 4 95 105 33 ...

Page 34: ...ompletely extracted from the system the valves on the pressure gauge station are closed and the valves on the outdoor unit are opened as described in the Commissioning sec tion 6 4 Adding refrigerant The units contain a basic quantity of refrigerant In addition an additional amount of refrigerant must be added for refrigerant piping lengths exceeding 5 metres per circuit Refer to the following cha...

Page 35: ...e drainage line is laid to protect it against frost If necessary fit a pipe heater n Following installation check that the conden sate run off is unobstructed and ensure that the line is durably leak tight Safe drainage in the event of leakages Local regulations or environmental laws for example the German Water Resource Act WHG can require suitable precautions to protect against uncontrolled drai...

Page 36: ... unit is installed measurements can be made from the front by removing the cover n If an optional condensate pump is used as an accessory in conjunction with the unit it may be necessary to install an additional relay with a higher contact rating after the switch off con tact on the pump to switch off the compressor n The control lines used should comprise shielded wire if laid in areas exposed to...

Page 37: ...ted correctly and make permanent contact Tighten as required 8 3 Outdoor unit connection Proceed as follows to connect the line 1 Remove the unit cover 2 Remove the side panel at the connection 3 Choose the cable cross section in accord ance with the relevant specifications 4 Feed both cables through the edge protec tion rings on the fixed connection panel 5 Connect the lines as shown on the elect...

Page 38: ... Connection RVD 354 DC 230V 1 50 Hz L N PE 1 L 2 N S PE L N S PE 1 A 2 B Fig 47 Electrical wiring diagram RVD 354 DC A Outdoor unit RVD 354 DC AT B Indoor unit RVD 354 DC IT 1 Power supply 2 Communication lines REMKO RVD series 38 ...

Page 39: ...230V 1 50 Hz L L A N PE L N S1 PE N A S A S 2 L B N B S B S 1 PE S2 PE PE 1 A 2 B 2 Fig 48 Electrical wiring diagram RVD 524 DC A Outdoor unit RVD 524 DC AT B Indoor unit RVD 524 DC IT 1 Power supply 2 Communication lines 39 ...

Page 40: ...C 230V 1 50 Hz L N S1 PE S2 PE 1 L 2 N L N PE S1 S2 PE 1 A 2 B 2 Fig 49 Electrical wiring diagram RVD 684 DC A Outdoor unit RVD 684 DC AT B Indoor unit RVD 684 DC IT 1 Power supply 2 Communication lines REMKO RVD series 40 ...

Page 41: ... DC 400V 3 50 Hz L N S1 PE S2 PE L1 L2 L3 N S1 S2 PE 1 L 2 N PE PE 1 A 2 B 2 Fig 50 Electrical wiring diagram RVD 1054 DC A Outdoor unit RVD 1054 DC AT B Indoor unit RVD 1054 DC IT 1 Power supply 2 Communication lines 41 ...

Page 42: ...4 DC IT A Control board B Display circuit board 1 DC fan motor alternative 2 Optional wired remote control 3 Connection of optional wired remote control 4 Potential free alarm contact 5 External on off 6 Connection possibility for fan motor provided by the customer 7 Transformer 8 Temperature probe suction pipe 9 Temperature probe evaporator 10 Temperature probe indoor air 11 Swing motor 12 Connec...

Page 43: ...op temperature ON 1 2 24 3 ON 1 2 15 ON 1 2 8 ON 1 2 After EEPROM programming Fan behaviour without demand SW2 Switch SW2 Value Factory setting ON Setting ON 1 Fan OFF 3 ON 1 Fan ON Automatic restart after power failure SW3 Switch SW3 Value Factory setting ON Setting ON 1 Automatic restart in last oper ating mode 3 ON 1 No auto matic restart Mode priority SW5 Switch SW5 ON Setting ON 1 2 ON 1 2 ON...

Page 44: ... 52 Electrical drawings RVD 524 1054 DC A Control board B Display circuit board 1 DC fan motor alternative 2 Connection of optional wired remote control 3 Swing motors 4 Connection possibility for fan motor provided by the customer 5 Condensate pump 6 Optional wired remote control 7 Temperature probe suction pipe 8 Temperature probe evaporator 9 Temperature probe indoor air 10 Condensate pump liqu...

Page 45: ...amming Fan behaviour without demand SW2 Switch SW2 Value Factory setting ON Setting ON 1 Fan OFF 3 ON 1 Fan ON Automatic restart after power failure SW3 Switch SW3 Value Factory setting ON Setting ON 1 Automatic restart in last oper ating mode 3 ON 1 No auto matic restart Main slave setting SW5 Switch SW5 ON Setting ON 1 2 ON 1 2 ON 1 2 ON 1 2 Value MAIN NO SLAVE MAIN MAIN SLAVE Factory setting 3 ...

Page 46: ...N 50 3 U V W A 2 1 4 3 5 6 7 8 9 10 11 12 13 Fig 53 Electrical drawings RVD 354 DC AT A Control board 1 Compressor 2 To indoor unit 3 Power supply 4 4 way reversing valve 5 Crankcase heating 6 Condensate tray heating 7 Condenser 8 AC fan motor 9 Electronic E valve 10 DC fan motor 11 Air inlet temperature probe 12 Temperature probe for condenser outlet 13 Temperature probe for heat gas line REMKO R...

Page 47: ... rot A B 2 1 4 3 5 6 7 8 9 10 11 12 13 Fig 54 Electrical drawings RVD 524 DC AT A Control board B Auxiliary circuit board 1 Compressor 2 Communication line to indoor unit 3 Supply line to indoor unit 4 Power supply 5 4 way reversing valve 6 Crankcase heating 7 Condensate tray heating 8 AC fan motor 9 Electronic E valve 10 DC fan motor 11 Air inlet temperature probe 12 Temperature probe for condens...

Page 48: ...t braun blau blau blau A B 2 1 4 3 5 6 7 8 9 10 11 12 13 14 15 Fig 55 Electrical drawings RVD 684 DC AT A Control board B Inverter board 1 Klixon 2 Low pressure switch 3 High pressure switch 4 Air inlet temperature probe 5 Temperature probe for condenser outlet 6 Temperature probe for heat gas line 7 Condensate tray heating 8 Crankcase heating 9 4 way reversing valve 10 Communication line to indoo...

Page 49: ...z rot weiss blau schwarz blau weiss rot blau rot grau gelb gelb blau blau rot orange orange orange orange schwarz schwarz A B 2 1 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 C 1 1 1 2 2 Fig 56 Electrical drawings RVD 1054 DC AT A Control board B Inverter board C Control board DC fan motor 1 Transformer 2 Magnetic ring 3 Compressor 4 DC fan motor 5 AC fan motor 6 Crankcase heating 7 Condensate tray heati...

Page 50: ...JR6 Fig 57 Removing the jumper The building controller is now connected via the two outer contacts of the plug labelled ON OFF If the connection between the two contacts is open the system is in stand by mode The Operation LED and the Timer LED blink alternately The unit can no longer be switched on using the remote control ON OFF JR6 1 Fig 58 Open contact 1 Stand By If the connection between the ...

Page 51: ... for the 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 verify its correct function and identify any unusual operating behaviour prior to handing it over to the operator NOTICE Check that the shut off valves and valve caps are tight after carrying...

Page 52: ...n or dehumidification mode 9 Check the correct function of the condensate drainage line by pouring distilled water into the condensate tray A bottle with a spout is recommended for pouring the water into the condensate tray 10 Switch the indoor unit to heating mode 11 During the test run check the functionality of all of the previously described safety devices 12 Record the measured values into th...

Page 53: ... temperature ranges of 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 a specialist Malfunction of the external condensate pump Has the pump shut down due to a malfunction Check and if necessary clean the pump High pressure low pres sure switches ha...

Page 54: ... and collection container Faulty external conden sate pump or float Is the collection tray full of water and 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 Check there is no blockage in the pipe Route the condensate drainage line with an incline and...

Page 55: ...umption 1 ON F0 Outdoor unit air inlet temperature probe faulty 2 ON F1 Condenser outlet temperature probe faulty 3 ON F2 Temperature probe for heat gas line faulty 4 ON F3 EEPROM error outdoor unit 5 ON F4 Condenser fan speed control not OK 6 ON F5 Suction pipe temperature probe in AT faulty 7 ON F6 Inverter error 1 FLASHES P0 Over undervoltage error 2 FLASHES P1 Safety shut down compressor exces...

Page 56: ...ir inlet temperature probe faulty 2 ON F1 Condenser outlet temperature probe faulty 3 ON F2 Temperature probe for heat gas line faulty 4 ON F3 EEPROM error outdoor unit 5 ON F4 Condenser fan speed control not OK 6 ON F5 Temperature probe suction pipe in outdoor unit faulty 7 ON F6 Inverter error 1 FLASHES P0 Over undervoltage error 2 FLASHES P1 Safety shut down compressor excess temperature 3 FLAS...

Page 57: ... Cause n Electrical connection not configured correctly n Control boards outdoor unit or indoor unit defective Switch off voltage switch on again 2 minutes later Is the error still present YES Measure the voltage between the S and N terminals of the outdoor unit Is the measured value positive NO Check electrical connections in the indoor unit Are they OK YES YES Check electrical connections in the...

Page 58: ...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 electrical connections Are these correctly implemented NO Correctly establish the electrical connection YES Measure the voltage at the corre sponding connector plug on the con trol board see section Ä Pro...

Page 59: ...ese differ there is a problem with the control board and it must be replaced 1 3 4 5 6 Fig 62 Motor measurements Terminal Colour Voltage 1 Red 280V 380V 2 3 Black 0V 4 White 17 17 5V 5 Yellow 0 5 6V 6 Blue 17 17 5V DC fan motor of the outdoor unit control chip is installed in the motor Measure the resistance between terminals 1 3 and 4 3 This should be roughly identical If the resistance deviates ...

Page 60: ... cooling 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 unit blows out cold air YES Check the position and function of the evapo rator probe T2 Is it correctly seated and with the correct resistance NO YES Check the cooling circuit for leaks Leaks found ...

Page 61: ...ectrical connection faulty n Temperature probe defective Check the connecting cable between the con trol board and the temperature probe Is it OK and correctly connected NO Establish a proper connection YES Check the probe for correct resistance depending on the temperature see resistance table NO Replace the probe YES Replace the corresponding control board Fig 63 Check the probes 61 ...

Page 62: ...ure correct 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 NO Replace the compressor YES Check the electrical connections Are these cor rectly implemented NO Replace or correct the electrical connections YES Does the transformer operate fault free NO...

Page 63: ...oller provided by the customer on page 50 YES Close the external enabling contact CN23 or the jumper JR6 NO Check the connecting cables between the con trol board and compressor Are they faulty YES Establish a correct connection between the control board and compressor NO Check the inverter controller see section Ä Check the inverter controller on page 64 Fault eliminated NO Replace the control bo...

Page 64: ...ling circuit blocked n Faulty control board Check the power supply Is the supply voltage correct NO Switch the unit off and have the power supply checked corrected YES Check 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 should be approx 310V 340V or 38...

Page 65: ...hey 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 up YES Check the tempera ture of the com pressor Has it heated up NO Check the thermal contact Is it correctly connected YES NO Measure the resistance of the thermal contact Is it 0 Connect it correct...

Page 66: ...Are 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 it OK NO Follow the instructions for troubleshooting fault F5 YES Check the winding resistances of the com pressor Are they OK NO Replace the compressor YES Replace the control boards of the outdoor unit Check indiv...

Page 67: ...Resistance values for probes T1 T2 T3 and T4 K Ohm K Ohm K Ohm K Ohm 67 ...

Page 68: ...Resistance values for probe T5 K Ohm K Ohm K Ohm K Ohm REMKO RVD series 68 ...

Page 69: ...mmended that you take out a mainte nance contract with an annual service from an appropriate specialist firm n For systems which operate year round e g in server rooms the maintenance intervals must be reduced accordingly 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 ...

Page 70: ...do 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 The dirty side should be face down Fig 67 6 If water is used let the filter dry out properly in the air before fitting it back into the unit 7 Carefully insert the filter Ensure that it locates correctly 8 Close the cover as described above but in reverse ...

Page 71: ...ded view Indoor unit RVD 354 524 DC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Fig 68 Exploded view of the unit RVD 354 524 DC IT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 71 ...

Page 72: ... 2 Condensate pump liquid level switch 3 Condensate pump 4 Condensate pump mounting plate 5 Condensate hose 6 Condensate connection 7 Unit trim 8 Display board 9 Condensate tray 10 Temperature probe evaporator 11 Evaporator 12 Evaporator housing 13 Unit housing 14 Terminal block cover 15 Control board 16 Temperature probe indoor air 17 Air inlet nozzle 18 Fan wheel 19 Fan motor 20 Fan motor mounti...

Page 73: ...1054 DC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Fig 69 Exploded view of the unit RVD 684 1054 DC IT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 73 ...

Page 74: ...ndensate pump mounting plate 5 Condensate hose 6 Condensate connection 7 Unit trim 8 Display board 9 Air filter 10 Liquid level switch mounting plate 11 Condensate tray 12 Evaporator 13 Casing part left 14 Unit housing 15 Casing part front 16 Temperature probe indoor air 17 Condensate tray sealing cap 18 Temperature probe evaporator 19 Casing part rear 20 Casing part right 21 Control board 22 Tran...

Page 75: ...D 354 DC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Fig 70 Exploded view of the unit RVD 354 DC AT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 75 ...

Page 76: ...r panel left 8 Condenser 9 Air inlet temperature probe 10 Electronic injection valve 11 Shut off valve injection pipe 12 4 way reversing valve 13 Shut off valve suction pipe 14 Partitioning panel 15 Temperature probe for heat gas line 16 Compressor 17 Floor panel 18 Side panel right 19 Refrigerant connections cover 20 Terminal block cover 21 Control board 22 Temperature probe for condenser outlet ...

Page 77: ...VD 524 DC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Fig 71 Exploded view of the unit RVD 524 DC AT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 77 ...

Page 78: ...mounting plate 7 Corner panel left 8 Condenser 9 Air inlet temperature probe 10 Electronic injection valve 11 Shut off valve injection pipe 12 4 way reversing valve 13 Shut off valve suction pipe 14 Partitioning panel 15 Temperature probe for heat gas line 16 Compressor 17 Floor panel 18 Side panel right 19 Refrigerant connections cover 20 Control board 21 Auxiliary circuit board 22 Temperature pr...

Page 79: ... DC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Fig 72 Exploded view of the unit RVD 684 DC AT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 79 ...

Page 80: ... 9 Air inlet temperature probe 10 Electronic injection valve 11 Shut off valve injection pipe 12 4 way reversing valve 13 Shut off valve suction pipe 14 Partitioning panel 15 Temperature probe for heat gas line 16 Compressor 17 Floor panel 18 Side panel right 19 Refrigerant connections cover 20 Terminal block cover 21 Control board 22 Inverter board 23 Cooling fins 24 Temperature probe for condens...

Page 81: ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Fig 73 Exploded view of the unit RVD 1054 DC AT We reserve the right to modify the dimensions and design as part of the ongoing technical development process 81 ...

Page 82: ...t 9 Condenser 10 Temperature probe for condenser outlet 11 Temperature probe for heat gas line 12 Air inlet temperature probe 13 4 way reversing valve 14 Shut off valve suction pipe 15 Inverter board 16 Control board 17 Liquid separator 18 Transformer 19 Side panel right 20 Terminal block cover 21 Shut off valve cover 22 Recessed grip front panel right 23 Front panel right 24 Low pressure switch 2...

Page 83: ...No Designation 31 Shut off valve mounting plate 32 Condensate tray heating 33 Crankcase heating 83 ...

Page 84: ...eturn measures 29 Ordering spare parts 72 74 76 78 80 82 P Performance charts Cooling 13 14 15 16 Heating 13 14 15 16 R Remote control Keys 20 S Safe drainage in the event of leakages 35 Safety Dangers of failure to observe the safety notes 5 General 5 Identification of notes 5 Note for inspection work 6 Note for installation work 6 Note for maintenance work 6 Personnel qualifications 5 Safety not...

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Page 88: ...ct as advisers to our customers in air conditioning and heating technology SFlbCustomer Service Our equipment operates precisely and reliably However in the event of a fault REMKO customer service is quickly at the scene Our comprehensive network of experienced dealers always guarantees quick and reliable service REMKO INTERNATIONAL and also right in your neighbourhood Make use of our experience a...

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