Used Bitzer Chiller for sale (900)

Year of construction: 2024, condition: used, This listing is for the Frozen in Time F100 Automated Freeze Dryer & Frigel Chiller Package. The unit is in full working condition and is ready for immediate release An exceptional opportunity to acquire a high-capacity, premium industrial freeze-drying setup purchased brand new in June 2024. This turnkey package pairs a high-performance Frozen in Time F100 Automated Freeze Dryer with a top-tier Frigel Air-Cooled Industrial Chiller Unit. Meticulously maintained and in excellent working condition, this system was built for reliable, continuous production. The current owner is transitioning away from the freeze-dried sweets market to refocus other business sectors, making this high-demand asset available immediately without the standard manufacturer build lead times. What’s Included in the Sale? - [x] 1 x Frozen in Time F100 Industrial Automated Freeze Dryer - [x] 1 x Frigel Industrial Air-Cooled Chiller Unit - [x] 3 x Complete Sets of Production Trays (To fully utilize the 22-slot configuration) - [x] Original Technical Documentation: Complete manufacturer specification sheets, engineering drawings, and manuals. Technical Specifications 1. Frozen in Time F100 Automated Freeze Dryer Designed specifically for food and industrial processes, the F100 handles the entire cycle from initial conduction freezing to final drying within a single pre-programmed sequence. Ledpfx Ahjy Tmrmjzsrl - Manufacturer: Frozen in Time - Drying Capacity: Rated to freeze-dry 100kg+ of product per 16–24 hour cycle (dependent on product type). - Ice Condenser Capacity: 150kg - Ice Condenser Performance: 130kg / 24 hours - Ice Condenser Temperature: -60°C - Defrost System: Hot Gas - Shelves & Slots: 13 shelves featuring 22 tray slots. - Total Shelf Area: 10.4 m² - Shelf Spacing: 30mm - Chamber Temperature Range: -50°C to +90°C - Vacuum Pump: Premium Pfeiffer Duo 65 system - Refrigeration: Powerful 155m³/h Compressor utilizing R404A refrigerant - Unit Dimensions (H x W x L): 2.1m x 1.8m x 3.6m 2. Frigel Industrial Air-Cooled Water Chiller (MRS Series) An industrial-grade process cooling unit characterized by an ultra-efficient, small footprint designed to sit perfectly alongside processing machinery. - Manufacturer: Frigel - Compressor: High-reliability hermetic rotary Scroll compressor - Refrigerant: Ozone-friendly R410A - Condenser Technology: High-efficiency full-aluminium microchannel condenser. Delivers 20% to 40% higher heat exchange performance and a 60% weight reduction compared to conventional finned-tube models. - Working Parameters: Supports water working temperatures from 0°C to 25°C and is rated for high ambient temperatures up to 45°C. - Maintenance: Robust design that is exceptionally easy to clean using a standard pressure washer.

Condition: excellent (used), Year of construction: 2002, functionality: fully functional, cooling capacity: 450 kW (611.83 HP), total width: 1,000 mm, total length: 3,870 mm, total height: 2,070 mm, Equipment: type plate available, Trane chiller, Suitable for refrigerant R404A. With sound-insulated enclosure. A total of 2 units available, price stated per machine. Enclosure dimensions: Length: 4330 mm Width: 1570 mm Height: 2570 mm Lrsdpsyzwprjfx Ahzol Available by arrangement in September 2026.

Condition: used, Cooling unit, cooling water recooler, water chiller, chiller O. Hellwig Year of manufacture: approx. 1995 Cooling capacity: approx. 8 kW Rated power of cooling unit: 3 kW Lrjdpfspu R Ncex Ahzel Refrigerant: R422D Water tank volume: approx. 35 liters Circulation pump flow rate: 40 liters/min Pump output: 0.63 kW Water connections: 1/2 inch Power supply: 380 Volt, 50 Hz - Temperature setting via rotary potentiometer Space requirement (L x W x H): 1100 x 750 x 140 mm Weight: 285 kg

Condition: used, Year of construction: 2006, functionality: fully functional, type of input current: three-phase, type of cooling: water, input voltage: 380 V, Carrier, total of 9 units with valves and pumps. Types: 1x 30HXC080-A0367-PEE, Year of manufacture: 2005 2x 30HXC080-A0380-PEE, Year of manufacture: 2006 Lodpfx Ajy Rh N Ishzjrl 1x 30HXC090-A0493-PEE, Year of manufacture: 2015 2x 30HXC090-A0231-PEE, Year of manufacture: 2006 2x 30HXC100-A0248-PEE, Year of manufacture: 2006 1x 30HXC110-A0267-PEE, Year of manufacture: 2006

Condition: excellent (used), Year of construction: 2018, functionality: fully functional, machine/vehicle number: ELB0109, cooling capacity: 720 kW (978.93 HP), type of input current: three-phase, type of cooling: air, overall weight: 4,500 kg, ambient temperature (max.): 46 °C, ambient temperature (min.): -10 °C, input voltage: 400 V, pressure: 15 bar, volume flow: 65 m³/h, total width: 406,000 mm, total length: 225,000 mm, total height: 247,000 mm, noise level: 72 dB, input frequency: 50 Hz, Trane Air-Cooled Chiller GVUF205 X XLN – 2018 Manufacturer: Trane (France) Model: GVAF 205 X XLN Year of Manufacture: 2018 Serial Number: ELB0109 Type of Cooling: Air-cooled (screw chiller) Cooling Capacity: ~720 kW, 620kcal/h Refrigerant: R134a (2 independent circuits – 75/70 kg, GWP 1430) Power Supply: 400 V / 50 Hz / 3-phase Maximum Current (A max): 506 A Starting Current: 596 A Short-Circuit Protection (ICC-LRA): 35 kA Design Pressure: Refrigerant circuit: LP 15 bar / HP 18.8 bar Water side: 10 bar Operating Conditions: Ambient Temperature Range: –10 °C … +46 °C (optional Low Ambient Kit: up to –25 °C) Lrsdsw R Ualepfx Ahzsl Water Flow Rate: ~65 – 108 m³/h Evaporator water content: ~120 L Dimensions & Weight: Overall Weight: 4 414 kg Dimensions (L × W × H): 4 060 × 2 250 × 2 470 mm Key Features: High-efficiency air-cooled screw chiller. Two independent refrigerant circuits ensure reliability. Uses R134a refrigerant, environmentally compliant. Extra-Low-Noise (XLN) version – optimized for reduced sound emissions. Suitable for industrial and commercial cooling applications. Condition: ✔️ Good working condition ✔️ Regularly maintained ✔️ Immediately available

Condition: excellent (used), Year of construction: 2019, machine/vehicle number: M2019011975, cooling capacity: 430 kW (584.64 HP), Carrier Chiller 30 RBP-430-0095-PE (AquaSnap Series) Type: Air-Cooled Liquid Chiller Model: 30RBP-430-0095-PE Variant: 30RBM/RBP Serial Number: M2019011975 Year of Manufacture & Test: 06/2019 Manufacturer: Carrier SCS, Montluel, France (United Technologies, Carrier Corporation, USA) Technical Specifications: Nominal Cooling Capacity: 430 kW Refrigerant: R-410A Circuit A: 23.50 kg / Circuit B: 26.70 kg Total Charge: 50.2 kg GWP: 2088 Compressors: Danfoss Scroll SH240A4ACE (thermally protected) Power Supply: 400 V / 3 Ph / 50 Hz Maximum Current Draw: 340 A Maximum Starting Current: 210 A Power Input: 210 kW Operating Temperature Range: –20 °C to +52 °C Net Weight: 2760 kg Protection Rating: IP54 Pressure Data Refrigerant: R-410A Allowable Pressure (Min/Max): High side (PS): –1.0 / 44.2 bar (–99.0 / 4420.0 kPa) Low side (PS): –1.0 / 31.1 bar (–99.0 / 3110.0 kPa) Safety Relief Valve Setting: 42 bar Rupture Disc Setting: 45 bar Test Pressure: 15.0 bar (unit leak test) Additional Information: Air-cooled design with axial fans and integrated condensers. Ledpfx Ahsxb D Raszjrl Electrical control panel with Carrier management system. Hermetically sealed system, original Carrier service log included. Serviced and maintained by official Carrier service centre.

Condition: like new (used), Year of construction: 2008, functionality: fully functional, cooling capacity: 60 kW (81.58 HP), type of input current: three-phase, type of cooling: air, overall weight: 666 kg, total width: 760 mm, total length: 1,865 mm, total height: 1,447 mm, noise level: 55 dB, Equipment: cooling unit, For sale is an MTA TAE EVO 161 air‑cooled industrial chiller. This unit is in excellent condition and only used in once since purchased. It was purchased for a CVD system project but barely put into service. Key Specifications: Model: MTA TAE EVO 161 Year of manufacture: 2008 Cooling capacity: 60 kW Refrigerant: R410A Power supply: Suitable for UK 3‑phase (please check your local requirements) Dimensions (L×W×H): 1865 × 760 × 1447 mm Weight: approx. 666 kg Condition: Unused, stored indoors, fully intact Applications: CVD system cooling Industrial process cooling Lsdpsyzcy Aofx Ahzsrl Laser chiller Semiconductor equipment cooling Laboratory / research facility cooling Why buy this unit? Brand new condition, yet priced far below current new market price Perfect for general and advanced manufacturing setup Robust MTA quality – built for 24/7 continuous operation Price: £8,900 (or nearest offer) – open to reasonable offers Collection / Shipping: Collection preferred from Bristol, UK (buyer to arrange transport) Can assist with loading – please contact to discuss Contact: Please message me via the platform for any questions or to arrange viewing / collection. Serious inquiries only. Thank you.

Condition: used, functionality: fully functional, Scope: • Insulated sandwich panels (wall, ceiling) • Cold room door • Ceiling-mounted air cooler / evaporator GEA Küba DF AE 071 C (Compact DF) • Unit was operational until dismantling Size: approx. 10 m² of cooling surface (room can be reassembled) Design: modular cold room system, can be reinstalled Condition: used, professionally dismantled Suitable for beverage storage, gastronomy, production, or farm shop. Ledey Srhwepfx Ahzerl

Condition: new, Year of construction: 2025, functionality: fully functional, machine/vehicle number: CYT081-BIO - 2200430168, cooling capacity: 19.8 kW (26.92 HP), type of input current: three-phase, type of cooling: water, overall weight: 457 kg, ambient temperature (max.): 46 °C, ambient temperature (min.): -20 °C, input voltage: 400 V, pressure: 3 bar, temperature: 7 °C, volume flow: 3.43 m³/h, pump pressure: 2.03 bar, total width: 810 mm, total length: 1,960 mm, total height: 1,203 mm, warranty duration: 12 months, Equipment: type plate available, Process chiller / air-cooled water chiller, Type: CYGNUS TECH CYT 081-BIO – 19.8 kW Manufacturer: MTA S.p.A. CYGNUS TECH CYT 081-BIO are compact water chillers designed for outdoor installation, suitable for air intake temperatures down to -20°C. Includes crankcase heater, buffer tank, and integrated P1 circulation pump. -- Optimized for biogas cooling applications -- Cooling capacity kW: 19.8 Chilled water outlet/inlet temperature: 7/12°C Flow rate m³/h: 3.43 Available pump head bar: 2.03 Ambient temperature °C: 32 Refrigerant: R 410A Electrical data: Voltage V: 400, Frequency Hz: 50, Phases: 3 Max. power consumption (kW): 10 Max. current (A): 19 Starting current circuit (A): 102 Protection rating: IPX4 Dimensions: Length mm: 1960, Width mm: 810, Height mm: 1203 Weight kg: 457 Connection: R 1"1/4 Lrsdpfx Ahsy Eyk Hjzsl Serial No.: 2200430168 Year of manufacture: 2025 Condition: Excellent visually, technically OK (warehouse unit) Price: on request in euros (plus VAT ex works Nettetal) (Technical modifications and prior sale reserved!) Location: MTA Deutschland GmbH, 41334 Nettetal

Condition: excellent (used), Year of construction: 2020, operating hours: 3,100 h, functionality: fully functional, cooling capacity: 234 kW (318.15 HP), type of cooling: air, aircooled Chiller DATECH/Swegon Cooling cap.234 KW (68,5 refr.tons), 1 circuit with 1 screw compressor,full inverter, Shell&Tube evaporator Cooling agent: R1234ze(GWP< 1) low hours: 3100hr Ljdjy E N Unjpfx Ahzorl tested,ready for operation

Condition: refurbished (used), Year of construction: 2013, The unit is equipped with scroll compressors. The refrigerant is R410A. Cooling capacity is approx. 600kW kW at water parameters +12/7°C and ambient temperature +35°C. The chiller is not equipped with a hydraulic module (no pump or tank). This unit comes from our rental fleet. Condensers were repaired due to leaks. Transport is not included in the price of the unit. We provide a 3-month warranty (applies to the territory of the Republic of Poland). Lredjgaqn Ispfx Ahzsl

Condition: ready for operation (used), Year of construction: 2019, cooling capacity: 1 kW (1.36 HP), This is an used chiller with a nominal cooling capacity ~600kW at water +12/7°C. Bitzer screw compressors, R513A refrigerant. The unit is equiped with built-in pump and factory expansion vessel. Unit in good condition from our rental machine park. Transport not included.We provide 3 month guarantee (aplies terytory of Poland). Ledpoy Tmixsfx Ahzorl

Condition: ready for operation (used), Year of construction: 2019, cooling capacity: 1 kW (1.36 HP), This is an used chiller with a nominal cooling capacity ~720kW at water +12/7°C. Bitzer screw compressors, R513A refrigerant. The unit is equiped with built-in pump and factory expansion vessel. Unit in good condition from our rental machine park. Transport not included.We provide 3 month guarantee (aplies terytory of Poland). Lrodpfx Ahsy Tmh Uozsl

Condition: repair required (used), Year of construction: 2015, This is an used chiller with a nominal cooling capacity ~430kW. R134A refrigerant. This unit has a built-in pump, factory expansion vessel and Bitzer compressor inverter driven technology. Unit comes from our rental machine park. The shell and tube evaporator is completely leaky. Transport not included. Ledsix Adbspfx Ahzorl

Year of construction: 2008, condition: used, functionality: unexamined, Air-cooled liquid chiller for cooling water/glycol circuits, suitable for process cooling, cold storage rooms, or production facilities. The unit was fully operational until dismantling and has been stored ever since (four years). Complete refrigeration unit with compressors, condensers, and control system. Commissioning must be carried out by a certified refrigeration specialist. Lrjdpfxey Rh U Ds Ahzsl

Condition: used, Year of construction: 2015, functionality: fully functional, The heating/cooling unit from Carrier, type 30WG-050--0117-PE, is for sale; 2 units are in stock. Refrigerant: R410a Cooling capacity: 22 kW Connected load: 36 kW Ljdpfx Ahexakvaezsrl

Condition: as good as new (ex-display), Condenser, Air-Cooled Condenser, Industrial Refrigeration Condenser, Commercial Cooling Unit, Güntner GCVC RD 050.1/22-51, Used Machine Manufacturer: Güntner GmbH & Co. KG, Germany Type: S-GFV065.2A/2-N(EC)-F4/4P-2600 Year of manufacture: 2017 Internal volume (V): 27.5 liters Maximum operating pressure (PS): 16.0 bar Permissible temperature range (TS): -50 °C / +95 °C Lodpfoy Tb Amjx Ahzjrl Medium state: Liquid (fluid) Test pressure (PT): 17.6 bar (tested with compressed air) Overall dimensions: Width: 3000 mm Depth: 610 mm Height: 1250 mm

Condition: new, Year of construction: 2024, functionality: fully functional, machine/vehicle number: CYT301-BIO - 2200416573, cooling capacity: 59.6 kW (81.03 HP), type of input current: three-phase, type of cooling: water, overall weight: 750 kg, ambient temperature (max.): 46 °C, ambient temperature (min.): -20 °C, input voltage: 400 V, pressure: 3 bar, temperature: 7 °C, volume flow: 10.2 m³/h, pump pressure: 1.68 bar, total width: 1,112 mm, total length: 2,470 mm, total height: 1,595 mm, warranty duration: 12 months, Equipment: type plate available, Process Chiller / Air-Cooled Chiller Unit, Type: CYGNUS TECH CYT 301-BIO – 59.6 kW Lredpoy Dcx Defx Ahzjl Chillers, MTA S.p.A. CYGNUS TECH CYT 301-BIO are compact water chillers designed for outdoor installation, suitable for ambient intake temperatures down to -20°C. Includes crankcase heater, buffer tank, and integrated P1 circulation pump. --Optimized for Biogas Cooling-- Cooling capacity kW: 59.6 Chilled water temperature outlet / inlet: 7 / 12°C Flow rate m³/h: 10.2 Available head pressure bar: 1.68 Ambient temperature °C: 32 Refrigerant: R 410A Electrical Data: Voltage V: 400, Frequency Hz: 50, Phases: 3 Max. power consumption (kW): 30.5 Max. current (A): 51 Starting current circuit (A): 159 Protection rating: IPX4 Dimensions: Length mm: 2470, Width mm: 1112, Height mm: 1595 Weight kg: 750 Connection: R 2" Serial No.: 2200416573 Year of manufacture: 2024 Condition: Visual 1, Technical 1 (in-stock machine) Price: on request in EUR (plus VAT ex works Nettetal) (Technical modifications and prior sale reserved!) Location: MTA Deutschland GmbH, 41334 Nettetal

Condition: new, Year of construction: 2025, functionality: fully functional, machine/vehicle number: TET121P3-20-FSH - 2200428875, cooling capacity: 35 kW (47.59 HP), type of input current: three-phase, type of cooling: water, overall weight: 652 kg, ambient temperature (max.): 46 °C, ambient temperature (min.): -20 °C, input voltage: 400 V, pressure: 6 bar, temperature: 7 °C, volume flow: 5.96 m³/h, pump pressure: 2.67 bar, total width: 761 mm, total length: 1,862 mm, total height: 1,437 mm, warranty duration: 12 months, Equipment: type plate available, Process air cooler / chiller / air-cooled water chiller, Type: TAEevo Tech 121P3-20-FSH Manufactured by: MTA S.p.A. The TAEevo Tech 121P3-20-FSH are air-cooled compact water chillers suitable for outdoor installation (-20°C to +46°C). Equipped with crankcase heater, phase monitoring, 255 l buffer tank, integrated P3 circulation pump, electric frost protection, and condenser pressure control (winter package down to -20°C). Chilled water outlet temperatures adjustable from -10°C to +30°C. Cooling capacity: 35 kW Chilled water temperature, outlet/inlet (°C): 7 / 12 Flow rate (m³/h): 5.96 Available pump head (bar): 2.67 Ambient temperature (°C): 32 Refrigerant: R410A Electrical data: Voltage (V): 400 Frequency (Hz): 50 Phases: 3 Max. power input (kW): 19 Max. current (A): 33 Starting current circuit (A): 165 Protection class: IP54 Dimensions: Length (mm): 1862 Width (mm): 761 Height (mm): 1437 Weight (kg): 652 Connection: Rp 1 1/2" Serial number: 2200428875 Year of manufacture: 2025 Condition: Cosmetic 1, technically ok Stock unit, like new (Technical changes and intermediate sale reserved!) Ledpfx Asy Dcb Eehzerl Location: MTA Deutschland GmbH, 41334 Nettetal

Year of construction: 2025, condition: new, functionality: fully functional, machine/vehicle number: 250100153M, The IRINOX blast chiller offered here is brand new and available immediately from stock, with a full 24-month manufacturer’s warranty. The blast chiller/rapid cooler is equipped with the latest environmentally friendly refrigerant R290, ensuring you are up to date with the latest technical standards. This is a state-of-the-art rapid cooler/blast chiller from the manufacturer Irinox, Model MF NEXT LL Essenziell Turbo. This multifunctional MultiFresh rapid cooler is your new kitchen assistant, equipped with a standard rack for 2/1 GN trays. The device has a maximum loading capacity of 95 kg and features a 10" touch display with rapid cooling and blast freezing functions. This version includes the Sanigen hygiene function, which eliminates 99.5% of bacteria and neutralizes odors. The Essenziell Turbo model is designed for high performance in both blast chilling and freezing. The refrigeration unit is air-cooled. The door opens to the left, and the appliance is fitted with a core temperature probe with 5 measuring points. The blast chiller features 4 swivel castors, including locking brakes. Immediately available from stock. Invoice with VAT specified will be provided. Dear prospective buyer: Commissioning and user training by an Irinox specialist can be arranged for this unit. The device has 55 slots for racks in total. Currently, 30 rails for 2/1 GN are included, providing 15 rack levels. Additional GN rails or wider rails for 60 x 40 cm bakery trays can be ordered. One pair of 1/1 GN supporting rails costs €36 net, one pair of baker’s rails costs €69 net plus shipping. There is also an option to use a multirack, allowing for double the number of rack positions for 1/1 GN trays. The following capacities result: Performance Next LL Essenziell Turbo: 95 kg product from +90°C → +3°C / +90°C → -18°C Container capacities: - GN 2/1 (H=65 mm): 13 - GN 2/1 (H=40 mm): 18 - GN 2/1 (H=20 mm): 27 Ledpjyzigijfx Ahzjrl - GN 1/1 (H=65 mm) with double multirack: 26 - GN 1/1 (H=40 mm) with double multirack: 36 - GN 1/1 (H=20 mm) with double multirack: 54 For 60x40 cm, the capacity is the same as for 2/1 GN using the wider support rails. Manufacturer’s warranty: 24 months MultiFresh is suitable for all food processing areas – large and small kitchens, bakeries, pastry shops, and even ice cream production. Both standard and special functions such as rapid cooling and blast freezing are available for every application. Condition: Brand new! 24-month manufacturer’s warranty Technical Data: - Cooling capacity: 95 kg (rapid cooling and blast freezing) - Capacity with the offered double GN2/1 multirack - Natural refrigerant R290 – 3 x 150 g - Dimensions (WxDxH): 870 x 1145 x 1965 mm - Electrical connection: 400V 3PhNPe / 17.2A / 8 kW - Basic configuration Essenziell: Rapid cooling / blast freezing (no warming functions) - Performance: Turbo - Sanigen: Air hygiene system with active ion release - Refrigeration unit: air-cooled, built-in at the bottom - Left door hinge - Capacitive 10" touch display, pre-configured and customizable programs, option to save favorites, multicolor LED bar - 3-point core temperature probe, magnetic mount on interior door - HACCP via USB or app - WIFI module - FreshCloud basic included - Swivel castors - Serial number: 250100153M - Year of manufacture: 2025

Condition: excellent (used), Year of construction: 2013, operating hours: 2,579 h, functionality: fully functional, input voltage: 380 V, We are offering this well-maintained JUKI GKG-GL, KE2070, KE2080, RS800N + Chiller SMT placement line, year of manufacture 2013. The line has low operating hours and was used exclusively for our own products. We are not a service provider; only single-shift operation. The line has been serviced annually by JUKI and is in excellent condition. KE2070 operating hours: 5751 h KE2080 operating hours: 2579 h Lsdpfsy Axcvsx Ahzerl Due to circumstances, sale only as a complete line, no cherry-picking. Loader and unloader are included, but not the ones shown in the video – instead, units from Rommel will be supplied. Manufacturer: JUKI Model: GKG-GL, KE2070 (5751h), KE2080 (2579h), RS800N + Chiller Year of manufacture: 2013 Machine type: SMT placement line Available from the end of July 2026. We are happy to assist with dismantling and loading by a local specialist company. If you have any questions or need further information, please do not hesitate to contact us by message or phone.

Condition: good (used), Year of construction: 2010, HL Cooling HL155 Water chiller 2010, twin fan system, adjustable temperature controls, see plate for all spec, 3Ph Lrodpjwxlmaefx Ahzel

Condition: good (used), Year of construction: 2016, Galletti LCX082CSG Water chiller Serial: 16701165 2016, four fan system, adjustable temperature controls, see plate for all spec, 3Ph Lrsdpfx Ahswxll Njzjl

Condition: as good as new (ex-display), Industrial Heat Exchanger, Gas Cooler, Air Conditioning Cooler, Güntner, Used Machine Lrsdpfxjy Sbqho Ahzjl Manufacturer: Güntner GmbH & Co. KG Type: GCVC RD 035.1/13-42-0007064P Overall dimensions: Width: 2440 mm Depth: 570 mm Height: 760 mm Year of manufacture: 2016 Fan data: Fan type: VT03167U Speed: 2723 rpm Current consumption: 0.62 A Technical specifications: Volume: 8.9 liters Maximum permissible pressure: 32 bar / 0 bar 0 / -1 bar Permissible temperature range: -50 °C / +100 °C -5 °C / +40 °C Test pressure: 35.2 bar Fluid group: 2 / gaseous state

Condition: good (used), Year of construction: 2015, functionality: fully functional, 2 units Available Please call or email for further details Lsdexw Ilyspfx Ahzsrl