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Summary of Contents for REMKO RVS Series
- Page 1 Operating and installation instructions REMKO RVS series Chiller RVS 220 DC, RVS 260 DC Edition EN - Z05 Read the instructions prior to performing any task!
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Page 3: Table Of Contents
Content Safety notes Environmental protection and recycling Guarantee Transportation and packaging Unit description Intended use Ecological design directive Cooling cycle Usable limits Operation 8-19 Installation instructions for qualified personnel Installation 21-26 Care and maintenance Shutdown Electrical wiring 28-29 Electrical drawings 30-31 Leak testing 32-33... -
Page 4: Safety Notes
“commissioning there is an increased risk of report” to REMKO GmbH & Co. damage. Observe the minimum KG at the time when the unit was clearances. purchased and commissioned. -
Page 5: Transportation And Packaging
In cooling mode, the unit (an exchanger, a circulation pump and products, REMKO GmbH & Co. air-cooled chiller) takes heat out a flow switch. KG reserve the right to carry of the operating medium to be out technical changes to the... -
Page 6: Cooling Cycle
REMKO RVS SERIES Cooling cycle Cooling cycle Legend: Tube bundle heat exchanger Compressor Filter dryer Schrader valve Electronic expansion valve High-pressure switch Finned condenser 4-way changeover valve Low-pressure switch... -
Page 7: Usable Limits
Usable limits RVS DC units are chillers with heat pump function. The primary purpose of the units here is cooling mode, whilst the heating function represents an additional function by means of reverse circulation. For trouble-free unit operation and compliance with the legal warranty conditions, it is essential that the unit is be used within its respective usable limits. -
Page 8: Operation
REMKO RVS SERIES Operation Display/control unit The controller of the chiller is to be operated with the touch pad, which is located right on the unit in a housing protected from splashed water. To open the housing, press the "PRESS" button on the right-hand side of the housing. - Page 9 Button symbol Designation Description Operating mode Is displayed when the system is in cooling mode Cooling Operating mode Is displayed when the system is in heating mode Heating Defrosting operation Appears during the defrosting procedure (only in heating mode) Compressor Appears when the compressor is running Circulation pump Appears when the circulation pump is running...
- Page 10 REMKO RVS SERIES Switching the unit on The unit is switched on by pressing the key for 1 second. A further 1 second press of the key in the start screen will switch the unit back off again. After one minute without being used, the display darkens.
- Page 11 Setting the time To set the system time, briefly press the keys simultaneously. key appears on the right-hand side of the screen. Press this briefly and the display for the hours starts to flash. The hours can now be adjusted with the keys.
- Page 12 REMKO RVS SERIES Saving timer programs To save a timer program, briefly press the keys simultaneously. key appears on the right-hand side of the screen. Press this for 2 seconds. Now you can select a switch-on or switch-off point with the keys.
- Page 13 If the system is deactivated and the time set for a switch-on point (ON1, ON2) is reached, the system activates autonomously. It then carries out the operation with the settings before deactivating again. If the system is activated and the time set for a switch-off point (OFF1, OFF2) is reached, the system de-activates autonomously.
- Page 14 REMKO RVS SERIES Deleting timer programs To delete a timer program, briefly press the keys simultaneously. key appears on the right-hand side of the screen. Press this for 2 seconds. Now you can select a switch-on or switch-off point that you wish to delete with the keys.
- Page 15 Malfunction indication If a fault arises on the unit, the controller reports this automatically. The screen shifts to the fault display and displays a fault code. The meanings of the various codes are listed in the Faults and fault causes chapter. If multiple faults arise at the same time it is possible to switch between the fault displays with the keys.
- Page 16 REMKO RVS SERIES Calling up operating parameters Short Kurz Short Kurz Kurz Short Short Kurz To display the operating parameters, briefly press the key on the start screen. Now the probe values and other operating conditions can be called up here. The keys can be used to navigate between the different operating parameters.
- Page 17 Designation Probes Medium inlet temperature Medium outlet temperature Matrix temperature Ambient temperature Suction gas temperature Anti-freeze temperature internal EVI inlet temperature EVI outlet temperature Final compression temperature Fan 1 speed Fan 2 speed Compressor setpoint frequency Compressor actual frequency IPM safety temperature AC input voltage AC input current Compressor current...
- Page 18 If glycol is used, it is possible to change the parameters to operate at lower temperatures, depending on the glycol concentration. The table below can be helpful for this. Adjustment is only possible after password input. For this purpose, please contact REMKO. CAUTION...
- Page 19 Setting the anti-freeze protection parameters Short Kurz 3 Sek. 3 sec. Short Kurz Kurz Kurz Short Kurz Short Short Kurz Kurz Short Short Kurz Short Press the key on the start screen briefly to access the operating parameters level. Then press the key in the operating parameters level for 3 seconds to access the next level down.
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Page 20: Installation Instructions For Qualified Personnel
REMKO RVS SERIES Installation instructions for qualified personnel Important notes prior Comply with all regulations The unit must be kept upright ■ ■ to installation governing structural and when transporting to a higher building requirements and elevation: Observe the manuals for conditions with regard to ■... -
Page 21: Installation
Installation 4. Ensure that structure-borne Installation material sound is not transferred to parts of the building. The unit is fastened on vibration NOTE dampers (accessories) to the 5. Connect the medium pipings. floor by means of bolts. The Installation should only be carrying capacity of the bracket performed by authorised 6. - Page 22 REMKO RVS SERIES Selecting the installation location The unit is designed for horizontal installation on a base in outdoor areas. The installation site must be The finned condenser gives off level, flat and firm. The unit should heat in cooling mode.
- Page 23 Connection of the medium pipings Observe minimum flow volume of The display should be able to be the chiller. shut off. The connection of the lines ■ The lines are to be insulated against Temperature probes are located on-site takes place on the front vapour diffusion and, if necessary, in the chiller's medium inlet and side of the unit (operating side).
- Page 24 REMKO RVS SERIES Diaphragm expansion vessel (MAG) Air bleeding valves External medium storage tank To avoid pressure fluctuations The unit has manual air bleeding If, for example, the required during standstill because of valves. The unit can be bled here...
- Page 25 Condensate drainage connection Minimum clearances and safe drainage Figure 5 shows the minimum Condensate drainage Condensate drainage connection clearances for trouble-free operation of the units. If the temperature falls below The protective zones serve to the dew point, condensation will provide unhindered air intake and Condensate tray form on the finned condenser outlet, as well as providing sufficient...
- Page 26 REMKO RVS SERIES Necessary system components System components Legend: Expansion pipe coupling Shut-off valve Fill and drain device Safety valve Dirt trap Valve for hydronic balancing Manometer Diaphragm expansion vessel Bleeder NOTE The system layout shown above shows the recommended pipework components to be established on- site.
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Page 27: Care And Maintenance
• • Check direction of rotation specialists or at collection points. • • Check compressor REMKO GmbH & Co. KG or your • • Check fan contractual partner will be pleased • • Check the refrigerant volume to provide a list of certified firms •... -
Page 28: Electrical Wiring
REMKO RVS SERIES Electrical wiring All electrical connections such Power supply ■ CAUTION as network supply, cabled All electrical installation work remote control etc. must be The units require a fixed AC or is to be performed by special- carried out in the unit's switch three-phase current connection. - Page 29 External enabling contact Op- eration/Standby Terminal blocks RVS 220-260 DC In addition to being operated with the controller or the cabled remote control, the unit can be switched on (normal operation) 1112 and switched off (Stand-By) via an external potential-free contact (normally-closed).
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Page 30: Electrical Drawings
REMKO RVS SERIES Electrical drawings RVS 220 DC... - Page 31 Electrical drawings RVS 260 DC...
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Page 32: Leak Testing
REMKO RVS SERIES Leak testing Before commissioning Leak testing is carried out after If the unit is positioned ■ Filling the system the connection has been at the lowest point in the completed. system, the unit preliminary The system is filled at the custom- pressure (=non-circulating 1. - Page 33 Diaphragm expansion vessel Additional checks NOTE The units are equipped with The preliminary pressure for General checks ■ a phase sequence relay which the diaphragm expansion vessel prevents the operation of must be adjusted individually to Checking that minimum ■ the controller if the direction the system layout, the volume of clearances are correct.
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Page 34: Commissioning
REMKO RVS SERIES Commissioning - The circulation pump starts - The circulation pump starts NOTE and the controller checks and the controller checks Commissioning should only be the medium flow rate via the medium flow rate via performed by specially trained the differential pressure/flow... -
Page 35: Overhaul And Repair
Overhaul and repair Medium cycle Electrical components NOTE Overhaul and repairs should Repairs on electrical components Repairs on the medium cycle are only be performed and and parts are to be carried out and to be carried out and documented documented by specially documented in accordance with in accordance with the current... -
Page 36: Troubleshooting And Customer Service
REMKO RVS SERIES Troubleshooting and customer service The unit has been manufactured using state-of-the-art production methods and has been tested several times to ensure that it works properly. If malfunctions should occur, please check the unit as detailed in the list below. - Page 37 Mal- Possible cause Checks Remedial measures Major function In cooling mode: Finned heat exchanger In cooling mode: blocked, dirty or exposed to Clear finned heat exchanger, excessive sunlight? Condenser clean, shade, have condenser fan fan or high-pressure switch checked by specialist personnel, defective? High-pressure switch, high- check high-pressure switch.
- Page 38 REMKO RVS SERIES Mal- Possible cause Checks Remedial measures Major function Check: Communication fault -Replace the fan speed -Connections between E081/ between motherboard and regulator motherboard and fan fan speed controller -Replace motherboard speed controller Fan 1 thermal motor Thermal motor protection has...
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Page 39: Resistance Table
Resistance table The resistance values for the probes: AT (ambient), CT (register), SUT (suction gas), OT (medium outlet), IT (medium inlet) are shown in the following table. The ET (compressor outlet) probe is an NTC 50. Temperature Resistance Temperature Resistance Temperature Resistance [°C] (Ω) -
Page 40: Dimensions
REMKO RVS SERIES Dimensions Unit dimensions RVS 220 DC Medium Austritt 1 1/2" Medium outlet 1 1/2" Medium inlet 1 1/4" Medium Eintritt 1 1/4" 1604 1273 1171 RVS 260 DC Medium Austritt 1 1/2" Medium outlet 1 1/2" Medium Eintritt 1 1/4"... -
Page 41: Technical Data
Technical data Series RVS 220 DC RVS 260 DC Compact air-cooled chiller for external installation Operating mode with seamless power regulation for cooling and heating Cooling capacity 19.3 (8.5-22.0) 22.5 (10.3-26.0) SEER 4.15 Annual room cooling efficiency n Setting range return temp. Cooling °C +7 to +25/+3 to +25 Setting range return temp. - Page 42 REMKO RVS SERIES...
- Page 44 REMKO QUALITY WITH SYSTEMS Air-Conditioning | Heating | New Energies REMKO GmbH & Co. KG Telephone +49 (0) 5232 606-0 Hotline within Germany Klima- und Wärmetechnik Telefax +49 (0) 5232 606-260 +49 (0) 5232 606-0 Im Seelenkamp 12 E-mail info@remko.de...
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