Related Manuals for REMKO MVD Series
Summary of Contents for REMKO MVD Series
- Page 1 Operating and installation instructions REMKO MVD series Ceiling cassettes for cooling or heating MVD 222, MVD 282, MVD 362, MVD 452 0213-2019-09 Edition 1, en_GB Read the instructions prior to performing any task!
- Page 2 Read these operating instructions carefully before commis- sioning / using this device! These instructions are an integral part of the system and must R410A always be kept near or on the device. Subject to modifications; No liability accepted for errors or mis- Refrigerant prints! Translation of the original...
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Page 3: Table Of Contents
Table of contents Safety and usage instructions......................4 1.1 General safety notes........................4 1.2 Identification of notes........................4 1.3 Personnel qualifications........................4 1.4 Dangers of failure to observe the safety notes................4 1.5 Safety-conscious working....................... 4 1.6 Safety notes for the operator......................5 1.7 Safety notes for installation, maintenance and inspection.............. -
Page 4: Safety And Usage Instructions
REMKO MVD series Safety and usage instructions CAUTION! This combination of symbol and signal word 1.1 General safety notes warns of a potentially hazardous situation, which if not avoided may cause injury or mate- Carefully read the operating manual before com- rial and environmental damage. -
Page 5: Safety Notes For The Operator
"certificate of warranty" to conditions stipulated in this manual and comply REMKO GmbH & Co. KG at the time when the with all applicable regional regulations. units are purchased and commissioned. -
Page 6: Transport And Packaging
REMKO MVD series 1.11 Transport and packaging The devices are supplied in a sturdy shipping con- tainer. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner. For later complaints can not be guaranteed. -
Page 7: Technical Data
Technical data 2.1 Unit data Series MVD 222 MVD 282 MVD 362 MVD 452 Ceiling cassette for inverter multisplit outdoor units for Operating mode cooling or heating 2.20 2.80 3.61 4.50 Nominal cooling output El. rated power consump., cooling 2.50 3.20 4.00 5.00... -
Page 8: Unit Dimensions
REMKO MVD series 2.2 Unit dimensions d = 25 Fig. 1: Dimensions MVD 222-452 (all measurements in mm) 1: Suction gas pipe connection 2: Liquid pipe connection 3: Condensate drainage line connection 4: Housing, electronic expansion valve We reserve the right to modify the dimensions and design as part of the ongoing technical development... -
Page 9: Design And Function
The indoor unit consists of a fin evaporator, evapo- rator fan, controller and condensate tray. The Fig. 2: System layout indoor unit can be combined with REMKO outdoor units from the MVV range that provide sufficient Outdoor area combination options. The outdoor unit is controlled Indoor area by the regulation of the indoor unit. -
Page 10: Combinations
130 % 52.0 kW In the following you will find example installations for the MVV series with the indoor units from the MVW, MVD series and MXV Fig. 4: connection possibilities on one level A: Outdoor area 2: Indoor units of the series MVW, MVD or MXV... - Page 11 Fig. 5: Connection possibilities on multiple levels A: Outdoor area 3: Distributor B: Indoor area 4: Y-distributor 1: Outdoor unit 5: Main line 2: Indoor units of the series MVW, MVD or MXV 6: Ancillary line...
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Page 12: Operation
REMKO MVD series Operation NOTICE! 4.1 General notes Immediately replace flat batteries with a new The indoor unit is easily operated using the set, otherwise there is a risk of leakage. It is standard infrared remote control. The indoor unit... -
Page 13: Keys On The Remote Control
4.3 Keys on the remote control “Mode” key Operating mode selection (Auto ⇒ Cooling ⇒ Heating ⇒ Dehumidification ⇒Recirculation) “Arrow down” key Decreases the selected temperature or timer set- tings. "On/Off" key Switches the unit on or off. "Display" key Switches the display of the indoor unit on or off (if fitted). - Page 14 REMKO MVD series “Swing” key Low-noise operating mode Switches the automatic upward and downward Appears when the Low-noise operating mode is movement of the air discharge fin on and off. active. “Eco” key Unit status Turns the power save mode on (if fitted).
- Page 15 Select the operating mode and temperature Individually adjusting the air discharge fin Press the key several times to select the Use the key to move the air discharge desired operating mode. The selection fin to 5 different positions. appears on the display of the IR remote con- trol.
- Page 16 REMKO MVD series Switching the indoor unit display off Energy saving function This function enables the display illumination of the If the unit is in the cooling or heating mode, the indoor unit to be switched off. energy saving function can be activated with the IR...
- Page 17 Activate/deactivate delayed switching on and Activating the “Cooling only” function The IR remote control is factory programmed for The unit switch-on delay can be activated the cooling and heating functions. The “Cooling only” function can be activated or deactivated by with the key.
- Page 18 REMKO MVD series Manual unit addressing 2. Assigning the unit address The MVV series outdoor units automatically assign If the addressing mode (see above) is active, the addresses to the indoor units during commis- signal transmission must be activated by pressing sioning.
- Page 19 Changing the parameters for fan functions Selectable parameters Pressing the keys simultaneously Parameter Definition for 5 seconds displays the parameter level on the IR remote control. 7 fan stages, temperature incre- ments of 0.5 °C 3 fan stages, temperature incre- ments of 1.0 °C 7 fan stages, temperature incre- ments of 1.0 °C (factory setting)
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Page 20: Installation Instructions For Qualified Personnel
REMKO MVD series Installation Instructions Selecting the installation location for qualified personnel The indoor unit is specifically designed for hori- zontal mounting in suspended ceilings with Euro- Important notes prior to installation raster dimensions. However, it can also be installed in suspended ceilings with different Observe the operating manuals for the indoor unit dimensions. -
Page 21: Installation
Installation NOTICE! Installation should only be performed by author- ised specialists. Unit installation The unit is mounted with the cover face down on four threaded rods. Take into account the ceiling grid and any other installations. min. 35 mm 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... - Page 22 REMKO MVD series Connection of refrigerant piping NOTICE! The refrigerant piping connection provided by the customer is established at the connection of the The unit is factory filled with dry nitrogen for expansion valve of the indoor unit, inside the sus- leak testing purposes.
- Page 23 Calculation of the supplementary refrigerant to be added The refrigerant quantity to be added is dependent on the dimensioning and length of all liquid pipes, as well as the number of Y-pieces and distribution units used. In the following you will find an example and a blank drawing for calculating the refrigerant quantity to be added.
- Page 24 REMKO MVD series The following sketch and the empty table are provided for calculating the refrigerant quantity to be added and must be completed by the installer. Fig. 14: Sketch for determining the refrigerant quantity to be added Component Number...
- Page 25 NOTICE! When configuring and topping up the system with refrigerant, observe the practical limit value for refrigerants according to DIN EN 378-1! Practical limit value R410A: 0.44 kg/m room volume of the smallest room. If this is exceeded, implement suitable measures for reducing the possible refrigerant concentration per DIN EN 378-1.
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Page 26: Condensate Drainage Connection And Safe Drainage
REMKO MVD series Condensate drainage connection and safe NOTICE! drainage If condensate is removed via a duct in accord- ance with DIN EN 1717, ensure that any micro- The condensate drainage line should have an biological contamination present on the waste- incline of min. -
Page 27: Electrical Wiring
Electrical wiring 8.1 General connection and safety We recommend installing a main / repair switch on the building close to the unit. This is the instructions responsibility of the customer. The units require a protected power supply cable The terminal blocks for establishing the con- connected to the outdoor unit and indoor unit, as nections are located inside the unit. - Page 28 REMKO MVD series 1: Infeed for the power supply and control line 2: Terminal block Check all plugged and clamped terminals to verify that they are seated correctly and make permanent contact. Tighten as required. Fig. 18: Unit connection...
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Page 29: Electrical Wiring Diagram
8.3 Electrical wiring diagram Connection MVV 1200-2000 DC and MXD/MVD/MXV indoor units P Q E P Q E P Q E P Q E Fig. 19: Electrical wiring diagram Outdoor unit MVV 1200-2000 DC C1-7: Indoor units MXD/MVD/MXV Mains cable Control lines Minimum cross section Line configuration... -
Page 30: Electrical Drawings
REMKO MVD series 8.4 Electrical drawings MVD 222-452 E D2 D1 P Q E X1X2 POWER_S CN20 SW1SW7 ENC1 CN31 CN13 CN18 CN30 CN21 CN25 CN24 CN55 CN11 CN16 CN23 CN14 Fig. 20: Electrical drawings A: Control board Fan motor... -
Page 31: Dip Switch, Functions
8.5 DIP switch, functions Switch Function Setting Description S W1 The cooling request is terminated when the measured tempera- ture actual value is equal to the set temperature setpoint value (factory setting Control behav- SW1_1 iour in cooling S W1 mode Cooling request is terminated when measured temperature actual value is 2 °C lower than the set temperature setpoint... - Page 32 REMKO MVD series DIP switch functions (continued) Switch Function Setting Description S W5 The fan does not run when the heat exchanger fluid tempera- ture is 15 °C or colder (factory setting) S W5 The fan does not run when the heat exchanger fluid tempera- ture is 20 °C or colder...
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Page 33: Commissioning
Commissioning NOTICE! Commissioning should only be performed by specially trained personnel and documented after the certificate has been issued. Observe the operating manuals for the indoor unit and outdoor unit when commissioning the entire system. Function test of the operating modes Switch the power supply on. -
Page 34: Troubleshooting And Customer Service
REMKO MVD series Troubleshooting and customer service 10.1 Troubleshooting The unit and components are manufactured using state-of-the-art production methods and tested several times to verify that they function correctly. However, if malfunctions should occur, please check the functions as detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Trouble- shooting and customer service"... - Page 35 Malfunction Possible causes Checks Remedial measures Filter is dirty/air inlet/ Have the filters been Clean the filters outlet opening is blocked cleaned? by debris Windows and doors Have structural/usage Close windows and open. Heating/cooling modifications been doors/install additional load has increased made? units Neither cooling nor...
- Page 36 REMKO MVD series Malfunction indicated by display Error Description Cause Details Addressing conflict Addressing was changed / deleted Ä on page 37 Indoor units are set in various oper- Ä on page 37 Mode conflict ating modes Communication error between indoor Power supply defective, communica- Ä...
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Page 37: Fault Analysis
10.2 Fault analysis Error code FE: Addressing conflict The DIP switch set- ting was changed Switch off the power on the outdoor unit supply to the Outdoor unit Outdoor unit system, switch the MVV 1200 DC MVV 1600-2000 DC DIP switch setting on the outdoor unit back to factory set- Has manual... - Page 38 REMKO MVD series Error code E1: Communication error between indoor unit and outdoor unit Switch off power to the system for 1 minute, re- establish power supply, start system Is the communication line correctly wired? Correctly wire communication line Has shielded cable been used?
- Page 39 Error code E3: Fault with T2 probe, evaporator centre Is the probe correctly mounted on the circuit Correctly mount the probe on the circuit board board? Is the probe visibly damaged? Replace probe Are the probe resistance values OK? Replace probe Ä...
- Page 40 REMKO MVD series Error code E6/EC: Fault with DC motor output Fault description: No motor recognised by control board, specific speed difference between actual speed and target speed. Possible causes: The connection between the control board and motor is defective...
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Page 41: Resistances Of The Temperature Probes
10.3 Resistances of the Temp. Resistance Temp. Resistance temperature probes (°C) (Ohm) (°C) (Ohm) 4.05 1.14 Temp. Resistance Temp. Resistance 3.89 1.10 (°C) (Ohm) (°C) (Ohm) 3.73 1.06 115.27 17.80 3.59 1.03 108.15 16.93 3.45 1.00 101.52 16.12 3.32 0.97 96.34 15.34 3.19... -
Page 42: Care And Maintenance
REMKO MVD series Care and maintenance Temp. Resistance Temp. Resistance (°C) (Ohm) (°C) (Ohm) Regular care and observation of some basic points will ensure trouble-free operation and a long 0.40 0.29 service life. 0.39 0.28 0.38 0.28 0.37 0.27 DANGER! 0.36... - Page 43 Type of task Commis- Monthly Half- Yearly sioning yearly Checks/maintenance/inspection General Check voltage and current Check function of compressor/fans Dirt on condenser/evaporator Check the refrigerant volume Check condensate drainage Check insulation Check moving parts Sealing test for cooling cycle see note Cleaning the filter NOTICE! Disconnect the power supply to the unit.
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Page 44: Shut-Down
REMKO GmbH & Co. KG or your contractual partner will be pleased to provide a list of certified firms near you. -
Page 45: Exploded View Of The Unit And Spare Parts List
Exploded view of the unit and spare parts list 13.1 Exploded view of the unit MVD 222-452 We reserve the right to modify the dimensions and design as part of the ongoing technical development process. -
Page 46: Spare Parts List Mvd 222-452
REMKO MVD series 13.2 Spare parts list MVD 222-452 No. Designation MVD 222 MVD 282 MVD 362 MVD 452 Protection grid Air inlet nozzle Condensate tray Fan wheel Evaporator fan motor Condensate hose Condensate connection Control board On request by providing the serial number... -
Page 47: Index
Index Remedial measures ....34 Minimum clearances ..... 20 Care and maintenance . - Page 48 REMKO QUALITY WITH SYSTEMS Air-Conditioning | Heating | New Energies Telephone +49 (0) 5232 606-0 REMKO GmbH & Co. KG Hotline within Germany +49 (0) 5232 606-0 Klima- und Wärmetechnik Telefax +49 (0) 5232 606-260 Im Seelenkamp 12 E-mail info@remko.de...