AERMEC NRB 0800-3600 Technical Manual
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AERMEC NRB 0800-3600 Technical Manual

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2 2 . 0 4 – 4 1 3 9 1 8 1 _ 0 4
T r a n s l a t i o n o f O r i g i n a l i n s t r u c t i o n s
NRB 0800-3600
Technical manual
AIR-WATER CHILLER

C o o l i n g c a p a c i t y 2 1 7 ÷ 1 0 4 9 k W
w w w . a e r m e c . c o m

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  • Page 1 2 2 . 0 4 – 4 1 3 9 1 8 1 _ 0 4 T r a n s l a t i o n o f O r i g i n a l i n s t r u c t i o n s NRB 0800-3600 Technical manual AIR-WATER CHILLER C o o l i n g c a p a c i t y 2 1 7 ÷...
  • Page 3 Dear Customer, Thank you for wanting to learn about a product Aermec. This product is the result of many years of experience and in-depth engineering research, and it is built using top quality materials and advanced technologies. The manual you are about to read is meant to present the product and help you select the unit that best meets the needs of your system.
  • Page 4 All specifications are subject to change without prior notice. Although every effort has been made to ensure accuracy, Aermec shall not be held liable for any errors or...
  • Page 5 Conformity (doc. “List of components for Declaration of Conformity”). We also declare that, at the time this preloaded equipment was placed on the European market by Aermec S.p.A. (which imports or manufactures in the Union), the hydro- fluorocarbons contained therein are considered in the unit system of the Union referred to in Chapter IV of EU Regulation 517/2014 as they were placed on the market by a manufacturer or importer of hydrofluorocarbons to which Article 15 of EU Regulation 517/2014 applies.
  • Page 6 The partly completed machinery must not be put into service until the final machinery into which it is to be incorporated has been declared in conformity with the provisions of Directive 2006/42/EC. Signed for and on behalf of: AERMEC S.p.A. Bevilacqua (VR),...

  • Page 7: Table Of Contents

    Maximum adaptability .................p. 9 NRB 0800-3600 ..................p. 28 Extended operating range ..............p. 9 NRB 0800-3600 with desuperheater ..........p. 29 Control .......................p. 9 NRB 0800-3600 with total recovery ..........p. 31 Version with desuperheater or total recovery ......p. 9 11. Energy data ..................p. 33 Dual-circuit unit ..................p. 9 Energy indices (Reg.
  • Page 8 Fouling: deposit corrective factors [K*m²]/[W] ......p. 65 20. Glycol ...................... p. 65 Ethylene glycol ..................p. 65 Propylene glycol .................. p. 65 21. Sound data ..................p. 66 22.04 – 4139181_04...

  • Page 9: Product Description

    PRODUCT DESCRIPTION Air-cooled outdoor chiller designed to meet air conditioning needs in residential/ The presence of an internal clock allows you to program the operation in time pe- commercial complexes or industrial applications. riods in order to improve the system efficiency and reduce consumption during They are outdoor units with axial fan scroll compressors, microchannel batteries periods of non-use.

  • Page 10: Configurator

    CONFIGURATOR Field Description Field Description 1,2,3 PI Pump I Size PJ Pump J (6) 4,5,6,7 0800, 0900, 1000, 1100, 1200, 1400, 1600, 1805, 2006, 2206, 2406, 2600, Pump n° 1 pump + stand-by pump 2800, 3000, 3200, 3400, 3600 DA Pump A + stand-by pump (7) Operating field DB Pump B + stand-by pump (7) °...

  • Page 11: Unit Components Description

    UNIT COMPONENTS DESCRIPTION Expansion vessel REFRIGERANT CIRCUIT Membrane type precharged with nitrogen. Compressors Pressure relief valve Compressori ermetici di tipo scroll ad alta efficienza (montati su supporti elastici Calibrated at 6 Bar and drain pipe, it activates by discharging overpressure if abnor- antivibranti), azionati da un motore elettrico a due poli con protezione termica in- mal pressure occurs.
  • Page 12 Door interlocked isolator — The system temperature for cooling the environments or industrial processes. The different temperatures are managed automatically according to the unit Access to the electrical panel is by operating the handle of the door interlocked work conditions and requirements. isolator which removes power to the unit.

  • Page 13: Main Hydraulic Circuits

    MAIN HYDRAULIC CIRCUITS WITHOUT HYDRONIC KIT  Water filter: Installation in the immediate vicinity of the heat exchanger is man- datory,.  Do not fill up the hydraulic system by glycol near the suction of the pump. High concentration of glycol could stuck the pump. Do not use the pump to mix water and glycol.

  • Page 14: With Pumps

    WITH PUMPS  Do not fill up the hydraulic system by glycol near the suction of the pump. High concentration of glycol could stuck the pump. Do not use the pump to mix water and glycol. 13 14 DA-DJ 9 10 PA-PJ Components as standard Components not provided and responsibility of the installer...

  • Page 15: With Pumps And Storage Tank

    WITH PUMPS AND STORAGE TANK  Do not fill up the hydraulic system by glycol near the suction of the pump. High concentration of glycol could stuck the pump. Do not use the pump to mix water and glycol. BA-BJ AA-AJ Components as standard Expansion vessel...

  • Page 16: With Desuperheater

    WITH DESUPERHEATER  Do not fill up the hydraulic system by glycol near the suction of the pump. High concentration of glycol could stuck the pump. Do not use the pump to mix water and glycol. Components as standard Components not provided and responsibility of Pressure gauge Plate heat exchanger the installer...

  • Page 17: With Total Recovery

    WITH TOTAL RECOVERY  Do not fill up the hydraulic system by glycol near the suction of the pump. High concentration of glycol could stuck the pump. Do not use the pump to mix water and glycol. Components as standard Components not provided and responsibility of Flow shut-off valves Plate heat exchanger...

  • Page 18: Main Cooling Refrigerant Layouts

    MAIN COOLING REFRIGERANT LAYOUTS NRB 0800 ÷ 1600 - VALVE ° 22.04 – 4139181_04...

  • Page 19: Nrb 0800 ÷ 1600 - Valve ° - Desuperheater D

    NRB 0800 ÷ 1600 - VALVE ° - DESUPERHEATER D 22.04 – 4139181_04...

  • Page 20: Nrb 0800 ÷ 1600 - Valve ° - Total Recovery T

    NRB 0800 ÷ 1600 - VALVE ° - TOTAL RECOVERY T 22.04 – 4139181_04...

  • Page 21: Nrb 1805 ÷ 3600 - Valve X / Nrb 0800 ÷ 1600 - Valve X Optional

    NRB 1805 ÷ 3600 - VALVE X / NRB 0800 ÷ 1600 - VALVE X OPTIONAL 22.04 – 4139181_04...

  • Page 22: Nrb 1805 ÷ 3600 - Valve X - Desuperheater D / Nrb 0800 ÷ 1600 - Valve X Optional - Desuperheater D

    NRB 1805 ÷ 3600 - VALVE X - DESUPERHEATER D / NRB 0800 ÷ 1600 - VALVE X OPTIONAL - DESUPERHEATER D 22.04 – 4139181_04...

  • Page 23: Nrb 1805 ÷ 3600 - Valve X - Total Recovery T / Nrb 0800 ÷ 1600 - Optional Valve X - Total Recovery T

    NRB 1805 ÷ 3600 - VALVE X - TOTAL RECOVERY T / NRB 0800 ÷ 1600 - OPTIONAL VALVE X - TOTAL RECOVERY T 22.04 – 4139181_04...

  • Page 24: Accessories

    ACCESSORIES AER485P1: RS-485 interface for supervision systems with MODBUS protocol. DCPX: Device for condensation temperature control, with continuous speed mod- AERBACP: Ethernet communication Interface for protocols Bacnet/IP, Modbus TCP/ ulation of fans by using a pressure transducer. IP, SNMP AERNET: The device allows the control, the management and the remote monitor- FACTORY FITTED ACCESSORIES ing of a Chiller with a PC, smartphone or tablet using Cloud connection.
  • Page 25 0800 0900 1000 1100 1200 1400 1600 1805 2006 DCPX131 DCPX131 DCPX131 DCPX132 DCPX132 DCPX132 DCPX133 DCPX134 DCPX134 2206 2406 2600 2800 3000 3200 3400 3600 Fans: ° ° DCPX150 DCPX151 DCPX123 DCPX124 DCPX124 DCPX124 DCPX125 DCPX125 DCPX151 DCPX124 DCPX125 DCPX125 DCPX125 DCPX126...

  • Page 26: Selection Criteria Of The Heat Exchangers According To The Place Of Installation Of The Unit

    SELECTION CRITERIA OF THE HEAT EXCHANGERS ACCORDING TO THE PLACE OF INSTALLATION OF THE UNIT The guide provides advice for applications. Although recommendations ing ship engine exhaust, industrial production, chemical treatment facilities (cool- are given, all the details about the real world application of our prod- ing towers in the vicinity) and fossil fuel power plants.

  • Page 27: Basic Principles On Microchannel Coil Corrosion

    BASIC PRINCIPLES ON MICROCHANNEL COIL CORROSION Temperature The main material in Aermec heat exchangers is aluminium. Aluminum is a very reactive metal, which is easily oxidized on its surface. As long Chemical reactions generally depend on the temperature, for reactions that involve...

  • Page 28: Performance Specifications

    10 PERFORMANCE SPECIFICATIONS NRB 0800-3600 NRB - ° Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Cooling performance 12 °C / 7 °C (1) Cooling capacity 221,5 244,5 270,3 299,7...

  • Page 29: Nrb 0800-3600 With Desuperheater

    99569 111009 120789 128849 138355 148961 159328 167377 177077 Pressure drop system side Pressure drop on the service side with the filter installed (1) Data EN 14511:2018; Heat exchanger water (services side) 12°C / 7°C; outside air 35°C NRB 0800-3600 WITH DESUPERHEATER NRB D° Size 0800...
  • Page 30 NRB DE Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Cooling performances with desuperheater (1) Recovered heating power 93,4 106,4 118,8 136,9 154,2 174,1 193,9 220,7 245,2 273,3 297,2 317,3 342,5 368,2 389,2...

  • Page 31: Nrb 0800-3600 With Total Recovery

    NRB 0800-3600 WITH TOTAL RECOVERY NRB T° Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Cooling performances with total recovery (1) Cooling capacity 197,6 223,1 248,6 285,2 321,8 366,4 410,9...
  • Page 32 NRB TU Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Cooling performances with total recovery (1) Cooling capacity 207,1 233,5 260,0 298,5 337,0 383,5 430,0 485,9 541,8 597,7 653,7 705,2 756,8 812,7 868,6...

  • Page 33: Energy Data

    11 ENERGY DATA ENERGY INDICES (REG. 2016/2281 EU) Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 SEER - 12/7 (EN14825:2018) with standard fans (1) ° 4,22 4,13 4,10 4,11 4,19 - (2) - (2) - (2)

  • Page 34: Energy Data (Global Catalog)

    ENERGY DATA (GLOBAL CATALOG) Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 SEER - 12/7 (EN14825:2018) with standard fans (1) ° 4,22 4,13 4,10 4,11 4,19 4,25 4,13 4,12 4,17 4,11 4,14 4,14...

  • Page 35: General Technical Data

    12 GENERAL TECHNICAL DATA Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Compressor Type °,A,E,L,N,U type Scroll Compressor regulation °,A,E,L,N,U Type Asynchronous Number °,A,E,L,N,U Circuits °,A,E,L,N,U Partialisation of the unit with mechanical °,A,E,L,N,U thermostatic valve Partialisation of the...

  • Page 36: Fans Data

    FANS DATA Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 FANS: ° Type °,A,E,L,N,U type Axial °,A,U type Asynchronous Fan motor E,L,N type Asynchronous with phase cut ° Number ° m³/h 64000 64000...

  • Page 37: Electric Data

    Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 FANS: M Type °,A,E,L,N,U type Axial °,A,U type Asynchronous Fan motor E,L,N type Asynchronous with phase cut ° Number ° m³/h 64000 64000 64000 64000...

  • Page 38: Dimensions

    NRB 2600 - 3600 ° NRB 1805 - 2206 L/A NRB 2406- 3600 L/A NRB 1100 - 3600 E/U NRB 0800-3600 N (1) Additional module needed to contain the hydronic kit with "accumulation" option in sizes: 0800°, 0900°, 1000°, 1100° 0800L, 0900L...
  • Page 39 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: AB Weights ° 2880 2930 2990 3030 3160 3210 3250 3950 4140 4180 4680 4850 5610 5870 5950 6490 6640 2910 2960...
  • Page 40 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: AI Weights ° 3010 3050 3120 3160 3280 3330 3370 4080 4270 4310 4800 4970 5730 6000 6080 6610 6760 3030 3080...
  • Page 41 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: BF Weights ° 3060 3100 3170 3210 3330 3390 3430 4130 4320 4360 4860 5030 5780 6050 6130 6670 6820 3080 3140...
  • Page 42 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: DD, DG Weights ° 2460 2500 2560 2600 3100 3150 3190 3890 4080 4120 4620 4790 5440 5700 5780 6320 6470 2480...
  • Page 43 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: PB Weights ° 2370 2420 2480 2520 3010 3070 3110 3810 4000 4040 4540 4710 5360 5620 5700 6230 6380 2390 2450...
  • Page 44 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 INTEGRATED HYDRONIC KIT: PH Weights ° 2440 2490 2550 2590 3080 3140 3180 3880 4070 4110 4610 4780 5430 5690 5770 6300 6450 2470 2520...

  • Page 45: Weights

    13 WEIGHTS DESUPERHEATER WEIGHT The data in the table indicate the total weights to be added to the standard unit. Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Desuperheater Empty weight °,A,E,L,N,U Water content °,A,E,L,N,U...

  • Page 46: Minimum Technical Spaces

    14 MINIMUM TECHNICAL SPACES Each side of the unit must have space to allow all routine and extraor- For all units, it is fundamental to respect the minimum distances in order to guar- dinary maintenance to be performed. antee optimal ventilation to the finned heat exchanger coils to avoid the following: —...
  • Page 47 * Minimum technical space, to be ensured in order for the chiller to work ATTENTION with this space, the condenser coil can only be pulled out properly and for possible maintenance. from above; to pull it out from the side you must leave at least 2300 mm. 3000 mm 3000 mm C1 - C2...

  • Page 48: Multiple Installation

    VERSION E Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Minimum technical spaces Type of board V-block Minimum technical spaces 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000...

  • Page 49: Operating Limits

    15 OPERATING LIMITS In their standard configuration, the units are not suitable for installation in salty environments. The values indicated in the table refer to the min. and max. limits of the unit. If the unit operates beyond the operational limits, we recommend you first contact our technical-sales service.  Note: If the unit is installed in particularly windy areas, it is mandatory to have windbreak barriers to prevent unit malfunctions.

  • Page 50: Version L

    VERSION L °C °/X °C Not silenced operation: standard Outdoor air temperature (°C) Silenced operation: standard Water produced (°C) XLA Functioning DCPX as standard Not silenced operation: with glycol XLA accessory (fan J is mandatory) Silenced operation: with glycol Operation with XLA and glycol-water solution ATTENTION: The external temperature values marked in the graphs by a letter are specified in detail for each size and version in the following table.

  • Page 51: Versions A - U

    VERSIONS A - U °C °/X °C Standard mode Outdoor air temperature (°C) DCPX Functioning Water produced (°C) XLA Functioning DCPX Accessory Operation with glycol-water solution XLA accessory (fan J is mandatory) Operation with DCPX and glycol-water solution Operation with XLA and glycol-water solution ATTENTION: The external temperature values marked in the graphs by a letter are specified in detail for each size and version in the following table.

  • Page 52: Versions E - N

    XLA Accessory compatibility Maximum Outdoor Air Temperature with XLA ACCESSORY (TA) (°C) Version 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 ° °C °C °C °C °C °C VERSIONS E - N °C °/X °C...
  • Page 53 VERSION N Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 OPERATING FIELD: Z External air temperature (not silenced operation) °C 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0 37,0...

  • Page 54: Pressure Drops

    16 PRESSURE DROPS SERVICE SIDE - WITHOUT HYDRONIC KIT (00) - HEAT EXCHANGER ONLY The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2 Δp Pressure drops (kPa)

  • Page 55: Service Side - Without Hydronic (00) - Heat Exchanger With Filter Installed

    SERVICE SIDE - WITHOUT HYDRONIC (00) - HEAT EXCHANGER WITH FILTER INSTALLED The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2 Δp Pressure drops (kPa) Coefficient for the various sizes and versions...

  • Page 56: Service Side - With Hydronic Kit Pa-Pj - Da-Dj (Heat Exchanger + Filter + Pipes)

    SERVICE SIDE - WITH HYDRONIC KIT PA-PJ - DA-DJ (HEAT EXCHANGER + FILTER + PIPES) The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2 Δp Pressure drops (kPa)

  • Page 57: Service Side - With Hydronic Kit Aa-Aj - Ba-Bj (Heat Exchanger + Filter + Pipes + Water Accumulation)

    SERVICE SIDE - WITH HYDRONIC KIT AA-AJ - BA-BJ (HEAT EXCHANGER + FILTER + PIPES + WATER ACCUMULATION) The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2...

  • Page 58: Desuperheater

    DESUPERHEATER The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2 Δp Pressure drops (kPa) Coefficient for the various sizes and versions Q Water flow rate (l/h)

  • Page 59: Total Recovery

    TOTAL RECOVERY The water flow rate is calculated with the following formula: Q = Pc x 860 / ΔT Q Water flow rate (l/h) Pc Cooling capacity (kW) ΔT Water heat drop (°C) Pressure drops are calculated with the following formula: Δp = K x (Q)2 Δp Pressure drops (kPa) Coefficient for the various sizes and versions Q Water flow rate (l/h)

  • Page 60: Pumps Static Pressure

    17 PUMPS STATIC PRESSURE PA÷PI / AA÷AI The table shows the characteristic curves of the pumps, and therefore they do not represent the useful static pressures of the system. The useful heads of the system must be calculated by subtracting the unit's pressure drops (Δp) from the useful head of the pump shown in this diagram (see chapter: 16 Pres- sure drops p. 54).

  • Page 61: Single Hydronic Kits' Data

    SINGLE HYDRONIC KITS’ DATA Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 Pumps AA,AB,AC,AD,AE ,AF,AG,AH,AI,BA ,BB,BC,BD,BE,BF ,BG,BH,BI,DA,D Nr. poles B,DC,DD,DE,DF, DG,DH,DI,PA,PB ,PC,PD,PE,PF,PG ,PH,PI AJ,BJ,DJ,PJ c.s. (1) c.s. (1) c.s. (1) c.s.
  • Page 62 Size 0800 0900 1000 1100 1200 1400 1600 1805 2006 2206 2406 2600 2800 3000 3200 3400 3600 AA,PA 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 44000 AB,PB 47000 47000 47000 47000 47000 47000...

  • Page 63: System Water Content

    If you are in any doubt, please refer to the relevant technical documentation or contact the AERMEC Technical-Commercial Service. ATTENTION It is recommended to design systems with high water content (minimum recommended values shown in tab), in order to limit: —...

  • Page 64: Expansion Vessel Setting

    The table gives an example of the maximum water content calculated at the indicated operating conditions and only to protect the unit. If the volume of water in the system is higher, add another expansion vessel of the correct size. System water temperature max/min °C 40/4...

  • Page 65: Correction Factors

    19 CORRECTION FACTORS CORRECTIVE FACTORS FOR AVERAGE WATER TEMPERATURES DIFFERENT FROM NOMINAL VALUES The pressure drops are calculated with an average water temperature of 10 °C (Cooling mode), 43 °C (Heating or recovery mode) System side heat exchanger Cooling mode Heating mode or recovery Average water temperatures °C...
  • Page 66 (in compliance with UNI EN ISO 3744). Data 14511:2018 System water temperature 12/7 °C (in/out) Outside air temperature 35 °C Standard fans Note For operating conditions different to those declared refer to the selection program Magellano, available on www.aermec.com 22.04 – 4139181_04...
  • Page 68 A E R M E C S . p . A . V i a R o m a , 9 9 6 - 3 7 0 4 0 B e v i l a c q u a ( V R ) - I t a l y P h o n e + 3 9 0 4 4 2 6 3 3 1 1 1 - F a x + 3 9 0 4 4 2 9 3 5 7 7 s a l e s @ a e r m e c .

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