NECS-ME. Climaveneta Technical Bulletin NECS_ME_0152_1604_201004_GB. Condenserless chiller ,5-432 kw
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1 Climaveneta Technical Bulletin NECS_ME_0152_1604_201004_GB r HFC R-410A ,5-432 kw Condenserless chiller (The photo of the unit is indicative and may change depending on the model) Refrigerant gas R410A Can be combined with a remote condenser Integral control and adjustment Integrated hydronic module
2 SUMMARY Product presentation 1.1 units 1.2 R410A refrigerant 1.3 Combination with a remote condenser 1.4 Integral control and adjustment 1.5 Hydronic unit incorporated 1.6 Silent running 1.7 Ease of installation 1.8 Versatility 1.9 Usability 2. Unit description 2.1 Standard unit composition 2.2 Certifi cation, Reference standard 2.3 Tests 2.4 Controller 2.5 Accessories 2.6 Control unit with LCD display (standard) 3. Technical data 3.1 General technical data 3.2 Cooling capacity performance 4. Operating range 5. Hydraulic data 5.1 Water fl ow and pressure dro 5.2 Hydronic groups 6. Electrical data 7. Full load sound level 8. Dimensional drawings 9. Legend of pipe connections 10. Remote condensers 11. Combinations of evaporating units and remote condensers pg. n III pg. n III pg. n III pg. n III pg. n III pg. n III pg. n III pg. n III pg. n III pg. n III pg. n 1 pg. n 1 pg. n 1 pg. n 1 pg. n 2 pg. n 2 pg. n 3 pg. n 5 pg. n 5 pg. n 8 pg. n 13 pg. n 14 pg. n 14 pg. n 15 pg. n 19 pg. n 20 pg. n A1 pg. n A6 pg. n B1 pg. n B2 Company quality system certifi ed to UNI EN ISO 9001 Liability disclaimer This bulletin is not exhaustive about: installation, use, safety precautions, handling and transport. Refer to General Manual for Installation for further informations. This bulletin refers to standard executions, in particular for dimension, weight, electric, hydraulic, aeraulic and refrigerant connections (whereas applicable). Contact Climaveneta Commercial Offi ce for further drawings and schemes. Climaveneta declines any liability derived from the bulletin s use. This bulletin is of exclusive property of Climaveneta, and all forms of copy are prohibited. The data contained herein are subject to variation without notice. II NECS_ME_0152_1604_201004_GB
3 1. PRODUCT PRESENTATION Introduction This section contains general information on the range of products. For detailed information refer to the specifi c sections in this bulletin. 1.1 units The chillers are a range of remote-condensation liquid units running on R410A ecological gas. They are indoor units with hermetic scroll compressors in a single-circuit (2-compressor units) and twin-circuit (4-compressor unit) tandem confi guration, and braze-welded plate heat exchangers. 1.2 R410A refrigerant The use of R410A has improved the energy effi ciency of the units, in full respect of the environment (O.D.P.=0) 1.3 Combination with a remote condenser Compact units designed for residential and commercial systems. 1.4 Integral control and adjustment The evaporating unit is supplied complete with integral microprocessor control and optional connection to a remote condenser. 1.5 Hydronic unit incorporated The integrated hydronic unit comprises the main hydraulic components; it is available in various confi gurations with single or dual orthogonal pumps and high or low heads. 1.7 Ease of installation All the connections of the units are located on the side in order to simplify installation operations. This feature also makes it possible to save space as the units can be positioned near the perimeter walls without compromising access to the internal components during maintenance. 1.8 Versatility On request, the units can be fi tted with an integrated pump unit for circulating the liquid in the system, with a high or low head depending on the various application requirements. As well as the primary pump, it is also possible to add an auxiliary circulation pump which starts automatically if the former develops a fault. This makes it possible to respect the harshest safety aspects of the system, whilst allowing the pumps to be rotated to balance operating hours (thus preventing risks of mechanical breakage) and to manually select one of the two pumps. 1.9 Usability The electronic controller of the features a programmable menu containing the most popular European languages which the user can choose depending on the country in which the unit is used (available standard in the 4-compressor unit, in the reduced mode in the 2-compressor version). 1.6 Silent running The chillers stand out for their silent running. If specifi cally requested, the casing of the unit can incorporate a layer of soundproofi ng made from high intermediate density conoid sandwich material which reduces noise suffi ciently to allow to be used in residential and commercial areas without having to install it in dedicated rooms (technical rooms). The benefi t in terms of noise reduction is 4dB(A) in the models with 2 compressors and 10dB(A) in the models with 4 compressors. III NECS_ME_0152_1604_201004_GB
4 2. UNIT DESCRIPTION Liquid chiller with remote condensation Water-cooled indoor unit for producing chilled water, with connection to a remote condenser fi tted with hermetic rotary scroll compressors running on R410A, braised-welded plate exchangers and a thermostatic expansion valve. Base and panelling in hot-galvanised and painted sheet steel. 2.1 Standard unit composition Structure Base and frame in hot-galvanised shaped sheet steel with a suitable thickness. External panelling in PET-treated colaminate sheet, suitably thick, built to allow total access to the internal components, ventilation of the compressor chamber (standard for , option for all the other units). Acoustic insulation of the panel with 30 mm thick Fiberform available as an accessory. Panels fi xed with metric screws (not self-tapping). Refrigerant circuit Main components of the refrigerant circuit: - single-circuit unit with two compressors in a tandem confi guration ( ) - twin-circuit unit with two compressors in a tandem confi guration on both circuits ( ) - R410A refrigerant - mechanical thermostatic valves - dryer fi lter, - refrigerant line sight glass with humidity indicator - high pressure safety valve - low pressure safety valve - high and low pressure transducers - high and low pressure gauges on all circuits ( ). Compressor Rotary hermetic scroll compressor in a tandem layout complete with oil sump heater, electronic overheating protection with centralised manual reset and a two-pole electric motor. - remote ON/OFF terminals - spring terminals - pump enable relays (only for units without a standard hydronic unit) - manual and automatic pump rotation system in case pumps stop (only for units with a two-pump hydronic unit) - automatic pump operation rotation system for balancing operating hours (only for units with a two-pump hydronic unit) - terminals for cumulative alarm block (BCA) - input voltage: 400V~ ±10% - 50Hz - 3N. 2.2 Certification, Reference standards The machine complies with the following directives and their amendments: /42/EC Machinery Directive. - E.C.D. 89/336/EEC /108/EC /95/EC Low Voltage Directive. - 97/23/EC Pressure Equipment Directive. Module A1. TÜV- Italia Tests Tests performed throughout the production process, as indicated in ISO9001. Performance or noise tests can be performed by highly qualifi ed staff in the presence of customers. Performance tests include the measurement of: - electrical specifi cations - water fl ow rates - operating temperatures - power input - power output - pressure drops on the water side exchanger both at full load (at selection conditions and at the most critical conditions for the condenser) and at part load conditions. During performance testing the main alarm states can also be simulated. Noise tests are performed to check noise emissions according to ISO3744. User side exchanger AISI 316 steel braze-welded plate exchanger. The heat exchanger is insulated with a closed-cell condensation proof lining in neoprene. When the unit is working, it is protected against lack of fl ow by a differential pressure switch mounted on the water side. The unit can work with antifreeze mixtures at exchanger outlet temperatures as low as -8 C. Electric power and control panel Electric power and control panel, built to EN /EC standards, complete with: - control circuit transformer, - general door lock isolator, - fuses and contactors for compressors ( ) - circuit breakers on loads ( ) - numbered electric cables ( ) - auxiliary signal 4..2OmA for unit operating setpoint offset ( ) - Keyboard with multi-language interface and LCD display ( ) 1 NECS_ME_0152_1604_201004_GB
5 2.4 Controller The controller is available in two formats: - W3000 Base: keyboard and LED display. - W3000SE Compact: the keypad features functional controls and a complete LCD display that allows assessment and intervention on the unit by means of a multi-level menu with selectable user s language. The diagnostics comprises a complete alarm management system, including black box (via PC) functions and an alarm log (via display or also PC) for optimised analysis of unit performance. Compatibility with the remote keyboard managing up to 10 units. The presence of the programmable timer allows the creation of an operating profi le containing up to 4 typical days and 10 time bands. Common features: Heat adjustment is based on the exclusive QuickMind algorithm, featuring a self-adaptive logic which is useful for systems with a low water content. Alternatively, proportional or proportional-integral adjustments can be set. For systems featuring more than one unit, the resources can be adjusted using optional propriety devices. Consumption and performance accounting can also be implemented. Supervision can be easily developed via proprietary devices or the integration in third party systems by means of the most common protocols as ModBus, Bacnet, Bacnet-over-IP, Echelon LonWorks protocols. 2.5 Accessories - Soft start Electronic device adopted to manage the inrush current. Break down of the inrush current as soon as the electrical motor is switch on, lower motor s mechanical wear, favourable sizing for the electrical system. - Remote phase-sequence control Relay for controlling the phase-sequence of mains. Protects loads against faults due to incorrect connection of the electric line. - HP and LP gauges High and low pressure gauges (only for sizes ). Allows immediate reading of the pressure values on both low and high pressure circuits. - Compressor suction valve Shut-off solenoid valve on compressor s suction circuit. Simplifi es maintenance activities. - Compr. discharge line valve Shut-off solenoid valve on compressor discharge circuit. Simplifi es maintenance activities. - Var.fan speed low amb.control Acoustic encolsure on both compressor and pump sections (when applicable). Noise emission reduction. - Automatic circuit breakers Over-current switch on the major electrical loads. It protects compressors and/or fans from possible current peaks. - Input remote demand limit Digital input (voltage free) It permits to limit the unit s power absorption for safety reasons or in temporary situation. - Liquid line solenoid valve Solenoid valve on the refrigerant circuit inlet (only for sizes ). It avoids liquid to migrate toward the compressors when they are off. - Multi-units control devices (Sequencer, Manager3000, FWS3000) Separately supplied. - Compressors on/off signal Auxiliary contacts providing a voltage-free signal. Allows remote signalling of compressor s activation or remote control of any auxiliary loads. - ModBUS connectivity Interface module for ModBUS protocols. Allows integration with BMS operating with ModBUS protocol. - BACnet connectivity Interface module for BACnet protocols. Allows integration with BMS operating with BACnet protocol. - Echelon connectivity Interface module for Echelon systems. Allows integration with BMS operating with Echelon procotls. - Auxiliary signal 4-20mA 4..20mA analogue input. Allows to change the operating setpoint according to the value of current applied to the analogue input. Enforce Energy Saving policies 2 NECS_ME_0152_1604_201004_GB
6 2.6 Control unit with LCD display (standard) The new W3000 Base control unit is installed on all units. The new W3000SE Compact control unit is installed on all units. Main functions: QuickMind, local and remote FWS supervision, dual set point management, etc, confi rm Climaveneta s commitment to continually developing its electronics technology. The heat pumps, moreover, are fi tted with the original Climaveneta defrosting control system called Autotuning Defrost which considerably reduces defrosting times, thus improving the energy performance of the unit. Interfaces with BMS systems: METASYS, MODBUS, LONWORKS, SIEMENS, TREND. QuickMind is a special control unit which monitors the main operating parameters, predicts system behaviour and anticipates unit settings in order to constantly optimise performance; it allows both return and delivery water temperatures to be chosen as adjustment parameters. It can reduce outlet temperature fl uctuations even with a small amount of water in the system. When, for dual-compressor chillers featuring a maximum of 12 start-ups per hour and using a traditional adjustment system, the minimum recommended water content is 5.5 l/kw. QuickMind ensures the same chiller operates correctly even with a water content of just 2.5 l/kw and considerably reduces outlet temperature fl uctuations. The above graph shows that outlet temperature fl uctuations with QuickMind are limited to 4.3 C as opposed to 7.54 C if the traditional adjustment system were used, without even ensuring an acceptable minimum compressor start time. Black Box logs data relative to 200 alarm events which can be printed with a personal computer Step-wise regulation Regolazione a gradini Variation output temperature Variazione temperatura in uscita Output temperature ( C) Temperatura in uscita ( C) Quickmind Not acceptable minimum starting time compressors Tempo minimo di accensione compressore non accettabile 3, Minimum water content in the plant lt/kw NECS_ME_0152_1604_201004_GB
7 Control unit with LCD display (optional for ) Remote keyboard As an alternative to the standard keyboard, the NECS has a W3000 Compact operator panel with liquid crystal display. (LCD) This keyboard is standard for the units. This keyboard features a user interface for 3 European languages that can be selected by the user. Two of these are preset (Italian and English) and the third can be chosen from French, German, Spanish, Swedish and Russian (to specify when ordering). This allows the control unit interface to be chosen to suit the country of destination or, thanks to English, to be completely independent for all geographical areas. This same type of operator panel is also available as a remote keyboard, to be connected to the unit by means of a serial connection up to a maximum distance of 200 metres without power supply (in this case power is supplied by the unit), or a maximum of 500 metres with dedicated local power supply. Note The remote keyboard may be connected to the unit without replacing the W3000 Base operator panel originally provided on the unit. In this case the interface fi tted locally on the unit is excluded, and access to the programming menus and the display of the machine status is present only the additional keyboard at remote level. Instead, when the W3000 Base operator panel is replaced with the W3000 Compact panel, control of the unit is possible at both local and remote level. In this case the remote keyboard faithfully reproduces what is shown on the control unit on board the machine, further facilitating all the operations of confi guring and controlling the unit. 4 NECS_ME_0152_1604_201004_GB
8 3.1 GENERAL TECHNICAL DATA B SIZE /B COOLING (1) Cooling capacity kw 39,5 45,8 53,6 60,5 67,4 80,2 92,8 Total power input (unit) kw 12,0 13,5 15,7 18,1 20,0 23,4 26,9 EER 3,29 3,39 3,41 3,34 3,37 3,43 3,45 ESEER Heat exchanger water flow m³/h 6,80 7,89 9,23 10,4 11,6 13,8 16,0 Heat exchanger pressure drop kpa 48,0 41,3 41,0 39,1 48,4 29,4 27,6 COMPRESSORS Number N Number of capacity N Number of circuits N Type of regulation STEPS STEPS STEPS STEPS STEPS STEPS STEPS Minimum capacity steps % Type of refrigerant R410A R410A R410A R410A R410A R410A R410A Refrigerant charge kg Oil charge kg NOISE LEVELS (2) Total sound power db(a) Total sound pressure db(a) DIMENSIONS AND WEIGHTS (3) Length mm. Width mm. Height mm. Weight kg Plant (side) cooling exchanger water (in/out) 12/7 C Condensation temperature 47 C 2 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units Average sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level 3 Standard configuration - Not available 5 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
9 GENERAL TECHNICAL DATA B SIZE /B COOLING (1) Cooling capacity kw Total power input (unit) kw 30,3 33,9 37,6 43,3 48,9 46,9 53,7 EER 3,45 3,46 3,49 3,48 3,47 3,43 3,46 ESEER Heat exchanger water flow m³/h 18,0 20,2 22,6 25,9 29,3 27,7 31,9 Heat exchanger pressure drop kpa 35,0 33,1 32,2 28,9 36,8 32,5 31,0 COMPRESSORS Number N Number of capacity N Number of circuits N Type of regulation STEPS STEPS STEPS STEPS STEPS STEPS STEPS Minimum capacity steps % Type of refrigerant R410A R410A R410A R410A R410A R410A R410A Refrigerant charge kg Oil charge kg ,25 3,25 NOISE LEVELS (2) Total sound power db(a) Total sound pressure db(a) DIMENSIONS AND WEIGHTS (3) Length mm. Width mm. Height mm. Weight kg Plant (side) cooling exchanger water (in/out) 12/7 C Condensation temperature 47 C 2 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units Average sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level 3 Standard configuration - Not available 6 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
10 GENERAL TECHNICAL DATA B SIZE /B COOLING (1) Cooling capacity kw Total power input (unit) kw 60,6 67,9 75,2 86,5 97, EER 3,42 3,47 3,50 3,47 3,47 3,49 3,48 ESEER Heat exchanger water flow m³/h 35,7 40,5 45,3 51,7 58,4 66,5 74,3 Heat exchanger pressure drop kpa 38,8 38,9 39,4 36,7 46,7 49,6 54,7 COMPRESSORS Number N Number of capacity N Number of circuits N Type of regulation STEPS STEPS STEPS STEPS STEPS STEPS STEPS Minimum capacity steps % Type of refrigerant R410A R410A R410A R410A R410A R410A R410A Refrigerant charge kg Oil charge kg. 4,7 4,7 6,8 6,8 6,3 6,3 6,3 NOISE LEVELS (2) Total sound power db(a) Total sound pressure db(a) DIMENSIONS AND WEIGHTS (3) Length mm. Width mm. Height mm. Weight kg Plant (side) cooling exchanger water (in/out) 12/7 C Condensation temperature 47 C 2 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units Average sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level 3 Standard configuration - Not available 7 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
11 3.2 COOLING CAPACITY PERFORMANCE Tc B ,6 43,7 41,6 39,2 36,6 33,7 47,1 45,2 43,0 40,6 37,9 34,9 48,5 46,6 44,4 41,9 39,2 36,2 8,07 9,04 10,2 11,5 12,9 14,5 8,10 9,06 10,2 11,5 12,9 14,5 8,13 9,09 10,2 11,5 12,9 14,5 7,86 7,53 7,16 6,74 6,29 5,80 8,11 7,78 7,40 6,98 6,52 6,01 8,36 8,02 7,65 7,22 6,75 6,23 64,0 58,7 53,1 47,2 41,0 34,8 68,1 62,7 56,8 50,6 44,1 37,5 72,4 66,8 60,6 54,1 47,2 40,2 50,0 48,0 45,8 43,3 40,5 37,4 51,4 49,5 47,2 44,7 41,8 38,7 52,8 50,9 48,7 46,1 43,2 39,9 8,15 9,11 10,2 11,5 12,9 14,5 8,18 9,13 10,2 11,5 12,9 14,5 8,20 9,15 10,3 11,5 12,9 14,5 8,60 8,27 7,89 7,46 6,98 6,44 8,85 8,52 8,14 7,70 7,21 6,66 9,10 8,77 8,39 7,94 7,44 6,88 76,8 71,0 64,6 57,7 50,5 43,1 81,3 75,3 68,7 61,5 53,9 46,0 85,9 79,8 73,0 65,4 57,4 49, Tc ,9 50,5 48,0 45,4 42,7 39,8 54,7 52,2 49,6 46,9 44,1 41,3 56,5 53,9 51,2 48,5 45,7 42,8 9,18 10,3 11,5 12,9 14,3 15,9 9,22 10,3 11,6 12,9 14,4 15,9 9,26 10,4 11,6 12,9 14,4 16,0 9,11 8,70 8,27 7,81 7,34 6,85 9,42 8,99 8,54 8,08 7,60 7,11 9,73 9,28 8,82 8,35 7,86 7,36 55,1 50,2 45,4 40,5 35,8 31,2 58,9 53,6 48,4 43,3 38,4 33,5 62,8 57,2 51,6 46,3 41,0 36,0 58,3 55,6 52,8 50,0 47,2 44,2 60,0 57,3 54,4 51,6 48,7 45,7 61,8 58,9 56,0 53,1 50,2 47,2 9,29 10,4 11,6 13,0 14,4 16,0 9,33 10,4 11,6 13,0 14,4 16,0 9,36 10,5 11,7 13,0 14,4 16,0 10,0 9,57 9,10 8,61 8,12 7,62 10,3 9,86 9,38 8,88 8,38 7,88 10,7 10,2 9,66 9,15 8,65 8,14 66,8 60,8 55,0 49,3 43,8 38,6 71,0 64,6 58,4 52,4 46,7 41,2 75,4 68,5 61,9 55,6 49,7 44, Tc ,7 59,3 56,4 53,2 49,6 45,6 63,7 61,2 58,3 55,0 51,4 47,3 65,6 63,1 60,2 56,9 53,1 49,0 10,6 11,9 13,3 15,0 16,9 18,9 10,6 11,9 13,4 15,0 16,9 18,9 10,7 11,9 13,4 15,0 16,9 18,9 10,6 10,2 9,71 9,15 8,53 7,85 11,0 10,5 10,0 9,47 8,84 8,15 11,3 10,9 10,4 9,79 9,15 8,44 54,3 50,0 45,3 40,3 35,0 29,7 57,8 53,3 48,4 43,1 37,6 31,9 61,4 56,8 51,6 46,1 40,3 34,3 67,6 65,0 62,1 58,7 54,9 50,8 69,5 66,9 64,0 60,6 56,7 52,5 71,5 68,9 65,9 62,4 58,5 54,3 10,7 12,0 13,4 15,1 16,9 18,9 10,7 12,0 13,4 15,1 16,9 18,9 10,8 12,0 13,4 15,1 16,9 18,9 11,6 11,2 10,7 10,1 9,46 8,74 12,0 11,5 11,0 10,4 9,77 9,04 12,3 11,9 11,3 10,8 10,1 9,35 65,1 60,3 55,0 49,2 43,1 36,8 69,0 64,0 58,4 52,3 45,9 39,3 72,9 67,7 61,9 55,6 49,0 42, Tc ,5 66,7 63,6 60,0 56,1 51,7 71,7 68,9 65,7 62,1 58,0 53,6 73,9 71,1 67,9 64,2 60,0 55,4 12,5 13,9 15,5 17,3 19,3 21,5 12,6 13,9 15,5 17,3 19,3 21,5 12,6 14,0 15,5 17,3 19,3 21,5 12,0 11,5 10,9 10,3 9,65 8,91 12,3 11,9 11,3 10,7 9,99 9,22 12,7 12,3 11,7 11,1 10,3 9,54 51,5 47,5 43,1 38,4 33,5 28,6 54,9 50,7 46,1 41,1 36,0 30,6 58,4 54,0 49,2 44,0 38,5 32,8 76,2 73,4 70,1 66,3 62,0 57,2 78,4 75,6 72,3 68,4 64,0 59,1 80,6 77,8 74,5 70,5 66,0 60,9 12,7 14,0 15,6 17,3 19,3 21,5 12,7 14,0 15,6 17,3 19,3 21,5 12,8 14,1 15,6 17,3 19,3 21,5 13,1 12,6 12,1 11,4 10,7 9,86 13,5 13,0 12,4 11,8 11,0 10,2 13,9 13,4 12,8 12,2 11,4 10,5 61,9 57,5 52,4 46,9 41,1 35,0 65,6 61,0 55,8 50,0 43,8 37,3 69,4 64,7 59,3 53,2 46,6 39, Tc ,3 74,1 70,6 66,8 62,7 58,3 79,8 76,5 72,9 69,0 64,8 60,3 82,3 78,9 75,2 71,2 66,9 62,4 14,0 15,5 17,1 19,1 21,2 23,6 14,1 15,5 17,2 19,1 21,3 23,7 14,2 15,6 17,3 19,2 21,4 23,8 13,3 12,8 12,1 11,5 10,8 10,0 13,7 13,2 12,5 11,9 11,2 10,4 14,2 13,6 13,0 12,3 11,5 10,7 63,8 58,5 53,1 47,5 41,9 36,3 68,0 62,5 56,7 50,8 44,8 38,8 72,4 66,5 60,4 54,2 47,8 41,5 84,9 81,4 77,6 73,5 69,1 64,4 87,4 83,9 80,0 75,8 71,3 66,4 90,0 86,3 82,3 78,0 73,4 68,5 14,2 15,7 17,3 19,2 21,4 23,8 14,3 15,7 17,4 19,3 21,4 23,8 14,3 15,8 17,4 19,3 21,5 23,9 14,6 14,0 13,4 12,7 11,9 11,1 15,1 14,4 13,8 13,1 12,3 11,4 15,5 14,9 14,2 13,4 12,7 11,8 76,9 70,7 64,3 57,7 51,0 44,3 81,7 75,1 68,3 61,3 54,3 47,2 86,6 79,7 72,5 65,1 57,6 50,2 Tc [ C] - Condensation temperature [ C] - Plant (side) cooling exchanger output water temperature [kw] - Cooling capacity [kw] - Total power input [m³/h] - Plant (side) heat exchanger water flow [kpa] - Plant (side) cooling exchanger pressure drop '-' Conditions outside the operating range Waterflow and pressure drop on heat exchangers calculated with 5 C of delta T 8 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
12 COOLING CAPACITY PERFORMANCE Tc B ,0 88,1 83,9 79,5 74,7 69,7 95,0 91,0 86,7 82,1 77,3 72,1 98,1 94,0 89,5 84,8 79,8 74,5 16,6 18,3 20,3 22,4 24,8 27,4 16,6 18,4 20,3 22,5 24,9 27,5 16,7 18,5 20,4 22,6 25,0 27,5 15,8 15,2 14,4 13,7 12,9 12,0 16,4 15,7 14,9 14,1 13,3 12,4 16,9 16,2 15,4 14,6 13,7 12,8 38,6 35,4 32,1 28,8 25,5 22,2 41,2 37,8 34,3 30,8 27,3 23,7 43,9 40,3 36,6 32,9 29,1 25, ,9 92,4 87,5 82,4 77, ,9 95,2 90,3 85,0 79, ,1 93,0 87,6 81,9 16,8 18,5 20,5 22,7 25,0 27,6 16,8 18,6 20,5 22,7 25,1 27,7 16,8 18,6 20,6 22,8 25,1 27,7 17,4 16,7 15,9 15,1 14,2 13,3 18,0 17,2 16,4 15,5 14,6 13,7 18,5 17,7 16,9 16,0 15,1 14,1 46,8 42,9 39,0 35,0 31,0 27,1 49,7 45,6 41,5 37,2 33,0 28,8 52,8 48,4 44,0 39,5 35,1 30, Tc ,3 91,9 86,2 80, ,1 89,2 83, ,3 92,3 86,0 19,2 21,1 23,2 25,7 28,5 31,5 19,3 21,2 23,3 25,8 28,6 31,6 19,4 21,3 23,4 25,9 28,7 31,7 18,5 17,6 16,8 15,8 14,8 13,8 19,1 18,2 17,3 16,4 15,4 14,3 19,7 18,8 17,9 16,9 15,9 14,8 36,8 33,6 30,3 27,0 23,8 20,6 39,4 35,9 32,4 28,9 25,5 22,1 42,0 38,4 34,6 30,9 27,3 23, ,4 89, ,5 92, ,0 19,5 21,3 23,5 26,0 28,8 31,8 19,5 21,4 23,6 26,1 28,8 31,9 19,6 21,5 23,6 26,1 28,9 32,0 20,4 19,5 18,5 17,5 16,4 15,3 21,0 20,1 19,1 18,0 17,0 15,8 21,7 20,7 19,7 18,6 17,5 16,4 44,8 40,9 36,9 33,0 29,2 25,4 47,7 43,5 39,3 35,2 31,1 27,1 50,7 46,2 41,8 37,4 33,1 28, Tc ,9 90, , ,8 21,9 23,8 26,2 29,0 32,1 35,7 22,0 23,9 26,3 29,1 32,2 35,8 22,1 24,0 26,4 29,2 32,4 35,9 20,9 19,9 18,9 17,8 16,7 15,5 21,6 20,6 19,6 18,5 17,3 16,1 22,4 21,3 20,2 19,1 17,9 16,7 47,3 43,0 38,6 34,3 30,1 25,9 50,6 46,0 41,4 36,8 32,3 27,9 54,0 49,1 44,2 39,4 34,6 30, ,2 24,1 26,5 29,3 32,5 36,0 22,3 24,2 26,6 29,4 32,6 36,1 22,3 24,3 26,7 29,5 32,6 36,2 23,1 22,0 20,9 19,7 18,5 17,3 23,8 22,7 21,6 20,4 19,2 17,9 24,6 23,4 22,2 21,0 19,8 18,5 57,6 52,4 47,2 42,1 37,1 32,2 61,3 55,8 50,3 44,9 39,6 34,5 65,2 59,3 53,5 47,8 42,3 36, Tc ,4 26,7 29,3 32,4 36,0 39,9 24,5 26,8 29,5 32,6 36,1 40,0 24,6 26,9 29,6 32,7 36,2 40,1 23,3 22,3 21,2 20,0 18,8 17,4 24,1 23,1 21,9 20,7 19,4 18,0 24,9 23,8 22,7 21,4 20,1 18,7 44,1 40,3 36,4 32,5 28,5 24,6 47,1 43,1 38,9 34,7 30,5 26,4 50,2 46,0 41,6 37,1 32,7 28, ,7 27,0 29,7 32,8 36,3 40,2 24,8 27,1 29,8 32,9 36,4 40,3 24,9 27,2 29,9 33,0 36,5 40,4 25,7 24,6 23,4 22,1 20,8 19,3 26,5 25,4 24,1 22,8 21,4 20,0 27,3 26,1 24,9 23,5 22,1 20,6 53,5 49,0 44,3 39,6 34,9 30,3 56,9 52,1 47,2 42,2 37,3 32,4 60,4 55,3 50,1 44,9 39,7 34, Tc ,9 29,5 32,5 36,0 39,8 44,1 27,1 29,6 32,7 36,1 39,9 44,2 27,2 29,8 32,8 36,2 40,1 44,3 26,0 24,9 23,7 22,4 21,0 19,5 26,9 25,7 24,5 23,2 21,7 20,2 27,7 26,6 25,3 24,0 22,5 20,9 42,6 39,1 35,4 31,6 27,8 24,0 45,5 41,8 37,9 33,9 29,8 25,7 48,5 44,5 40,4 36,2 31,8 27, ,3 29,9 32,9 36,3 40,2 44,4 27,4 30,0 33,0 36,4 40,2 44,4 27,5 30,1 33,1 36,5 40,3 44,5 28,6 27,4 26,1 24,7 23,2 21,6 29,5 28,3 27,0 25,5 24,0 22,3 30,4 29,1 27,8 26,3 24,7 23,0 51,6 47,4 43,1 38,6 34,0 29,4 54,8 50,4 45,8 41,1 36,2 31,3 58,1 53,5 48,7 43,7 38,5 33,4 Tc [ C] - Condensation temperature [ C] - Plant (side) cooling exchanger output water temperature [kw] - Cooling capacity [kw] - Total power input [m³/h] - Plant (side) heat exchanger water flow [kpa] - Plant (side) cooling exchanger pressure drop '-' Conditions outside the operating range Waterflow and pressure drop on heat exchangers calculated with 5 C of delta T 9 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
13 COOLING CAPACITY PERFORMANCE Tc B ,0 33,9 37,4 41,4 45,8 50,8 31,1 34,1 37,6 41,5 46,0 50,9 31,3 34,2 37,7 41,7 46,1 51,0 29,9 28,6 27,2 25,7 24,1 22,4 30,9 29,6 28,1 26,6 24,9 23,2 31,9 30,5 29,1 27,5 25,8 24,0 38,4 35,1 31,8 28,4 24,9 21,5 41,0 37,5 34,0 30,4 26,7 23,1 43,7 40,1 36,3 32,5 28,6 24, ,4 34,4 37,8 41,8 46,2 51,2 31,5 34,5 38,0 41,9 46,3 51,2 31,6 34,6 38,1 42,0 46,4 51,3 32,9 31,5 30,0 28,4 26,6 24,8 33,9 32,5 31,0 29,3 27,5 25,6 34,9 33,5 31,9 30,2 28,4 26,4 46,5 42,7 38,7 34,6 30,5 26,4 49,4 45,4 41,2 36,9 32,5 28,2 52,4 48,2 43,8 39,2 34,6 30, Tc ,0 38,4 42,3 46,8 51,8 57,4 35,2 38,5 42,5 47,0 52,0 57,6 35,3 38,7 42,6 47,1 52,2 57,8 33,7 32,3 30,7 29,0 27,2 25,2 34,9 33,4 31,7 30,0 28,1 26,2 36,0 34,5 32,8 31,0 29,1 27,1 48,9 44,7 40,4 36,1 31,7 27,4 52,3 47,8 43,3 38,7 34,0 29,4 55,7 51,0 46,2 41,3 36,4 31, ,5 38,9 42,8 47,3 52,3 57,9 35,6 39,0 42,9 47,4 52,4 58,1 35,8 39,1 43,0 47,5 52,6 58,2 37,1 35,6 33,9 32,0 30,1 28,0 38,3 36,7 34,9 33,1 31,0 28,9 39,5 37,8 36,0 34,1 32,0 29,9 59,3 54,4 49,3 44,1 38,9 33,7 63,1 57,9 52,5 47,0 41,5 35,9 67,0 61,5 55,8 50,0 44,1 38, Tc ,2 36,6 40,5 44,9 49,6 54,8 33,3 36,8 40,7 45,0 49,8 55,0 33,4 36,9 40,8 45,2 49,9 55,1 31,7 30,4 29,0 27,4 25,8 24,0 32,8 31,4 29,9 28,4 26,7 24,9 33,9 32,4 30,9 29,3 27,6 25,7 42,7 39,2 35,6 31,9 28,2 24,5 45,6 41,9 38,0 34,1 30,2 26,3 48,7 44,6 40,5 36,4 32,2 28, ,5 37,0 41,0 45,3 50,1 55,2 33,6 37,1 41,1 45,4 50,2 55,3 33,7 37,2 41,2 45,5 50,3 55,4 35,0 33,5 31,9 30,2 28,5 26,6 36,1 34,5 32,9 31,2 29,4 27,4 37,1 35,6 33,9 32,1 30,3 28,3 51,8 47,5 43,2 38,7 34,3 29,9 55,1 50,5 45,9 41,2 36,5 31,9 58,5 53,7 48,7 43,8 38,8 33, Tc ,5 42,2 46,5 51,4 56,9 63,1 38,6 42,4 46,7 51,6 57,1 63,3 38,8 42,5 46,8 51,8 57,3 63,5 36,9 35,3 33,5 31,6 29,7 27,6 38,2 36,5 34,7 32,7 30,7 28,6 39,5 37,7 35,8 33,9 31,8 29,6 41,5 37,8 34,1 30,4 26,8 23,2 44,3 40,4 36,5 32,6 28,7 24,9 47,3 43,2 39,0 34,8 30,7 26, ,9 42,7 47,0 52,0 57,5 63,7 39,1 42,8 47,2 52,1 57,7 63,8 39,2 42,9 47,3 52,2 57,8 63,9 40,7 38,9 37,0 35,0 32,9 30,7 42,0 40,1 38,2 36,1 33,9 31,7 43,3 41,4 39,3 37,2 35,0 32,7 50,4 46,0 41,6 37,2 32,8 28,6 53,7 49,0 44,3 39,6 35,0 30,5 57,1 52,0 47,1 42,1 37,3 32, Tc ,7 47,6 52,4 57,9 64,2 71,3 43,9 47,9 52,6 58,1 64,5 71,6 44,1 48,1 52,8 58,3 64,7 71,8 41,5 39,5 37,5 35,4 33,1 30,8 42,9 40,9 38,8 36,6 34,3 31,9 44,3 42,3 40,1 37,9 35,5 33,1 52,3 47,5 42,8 38,0 33,3 28,8 55,9 50,9 45,8 40,8 35,8 30,9 59,7 54,3 48,9 43,6 38,4 33, ,3 48,2 53,0 58,5 64,9 72,1 44,5 48,4 53,2 58,7 65,1 72,3 44,6 48,6 53,3 58,9 65,3 72,4 45,7 43,6 41,4 39,1 36,7 34,3 47,2 45,0 42,8 40,4 38,0 35,5 48,6 46,4 44,1 41,7 39,2 36,7 63,6 57,9 52,2 46,6 41,0 35,7 67,7 61,6 55,6 49,6 43,8 38,2 71,9 65,5 59,1 52,8 46,8 40,9 Tc [ C] - Condensation temperature [ C] - Plant (side) cooling exchanger output water temperature [kw] - Cooling capacity [kw] - Total power input [m³/h] - Plant (side) heat exchanger water flow [kpa] - Plant (side) cooling exchanger pressure drop '-' Conditions outside the operating range Waterflow and pressure drop on heat exchangers calculated with 5 C of delta T 10 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
14 COOLING CAPACITY PERFORMANCE Tc B ,8 53,3 58,7 64,9 71,9 79,8 49,0 53,6 59,0 65,2 72,2 80,0 49,2 53,8 59,2 65,4 72,4 80,2 46,8 44,8 42,5 40,2 37,6 34,9 48,4 46,3 44,0 41,6 39,0 36,2 50,0 47,8 45,5 43,0 40,3 37,5 52,0 47,5 42,9 38,2 33,5 28,9 55,5 50,8 45,9 40,9 36,0 31,1 59,2 54,2 49,0 43,7 38,5 33, ,4 54,0 59,4 65,6 72,6 80,4 49,6 54,2 59,6 65,8 72,8 80,6 49,8 54,4 59,8 66,0 72,9 80,7 51,6 49,3 46,9 44,4 41,7 38,8 53,2 50,9 48,4 45,8 43,0 40,1 54,8 52,4 49,9 47,2 44,4 41,4 63,1 57,7 52,2 46,7 41,1 35,6 67,0 61,4 55,6 49,7 43,9 38,1 71,2 65,2 59,1 52,9 46,8 40, Tc ,9 59,0 65,0 71,9 79,6 88,2 54,1 59,3 65,3 72,2 79,9 88,4 54,3 59,5 65,6 72,4 80,1 88,6 52,1 49,9 47,5 44,9 42,1 39,0 53,8 51,6 49,1 46,4 43,5 40,4 55,6 53,2 50,7 48,0 45,0 41,8 52,1 47,8 43,3 38,7 34,0 29,3 55,6 51,0 46,3 41,4 36,4 31,4 59,3 54,4 49,4 44,2 38,9 33, ,6 59,8 65,8 72,7 80,3 88,8 54,8 60,0 66,0 72,9 80,5 88,9 54,9 60,2 66,2 73,0 80,6 89,0 57,3 54,9 52,4 49,5 46,5 43,2 59,1 56,6 54,0 51,1 48,0 44,7 60,8 58,4 55,7 52,7 49,5 46,1 63,0 58,0 52,6 47,1 41,5 35,9 67,0 61,6 56,0 50,2 44,2 38,3 71,0 65,4 59,5 53,3 47,1 40, Tc ,9 67,9 74,8 82,7 91, ,2 68,2 75,1 83,0 92, ,5 68,5 75,4 83,3 92, ,6 57,0 54,2 51,3 48,1 44,6 61,6 58,9 56,1 53,0 49,7 46,2 63,6 60,9 58,0 54,8 51,4 47,8 48,6 44,5 40,3 36,0 31,6 27,3 51,9 47,6 43,1 38,5 33,9 29,3 55,3 50,8 46,0 41,2 36,3 31, ,7 68,7 75,7 83,6 92, ,0 69,0 75,9 83,8 92, ,2 69,2 76,1 84,0 92, ,6 62,8 59,8 56,6 53,2 49,5 67,6 64,8 61,7 58,4 54,9 51,1 69,6 66,7 63,6 60,2 56,6 52,7 58,9 54,1 49,0 43,9 38,7 33,5 62,6 57,5 52,2 46,8 41,3 35,8 66,4 61,0 55,5 49,7 43,9 38, Tc ,9 76,7 84,6 93, ,3 77,1 84,9 93, ,6 77,4 85,3 94, ,3 64,4 61,2 57,8 54,2 50,4 69,6 66,6 63,3 59,9 56,2 52,2 71,9 68,8 65,4 61,9 58,1 54,0 62,1 56,8 51,4 45,8 40,3 34,8 66,3 60,7 54,9 49,1 43,2 37,4 70,7 64,8 58,7 52,5 46,2 40, ,0 77,7 85,6 94, ,3 78,0 85,8 94, ,5 78,2 86,1 95, ,1 71,0 67,6 63,9 60,0 55,9 76,4 73,2 69,7 66,0 62,0 57,7 78,7 75,4 71,9 68,1 64,0 59,6 75,3 69,0 62,6 56,0 49,4 42,8 80,0 73,4 66,6 59,6 52,6 45,6 85,0 78,0 70,8 63,4 56,0 48, Tc ,4 88,7 96, ,7 89,0 97, ,0 89,3 97, ,7 73,3 69,8 65,9 61,9 57,5 79,2 75,8 72,1 68,2 64,0 59,6 81,7 78,2 74,5 70,4 66,1 61,6 65,8 60,2 54,5 48,7 42,9 37,1 70,2 64,3 58,2 52,1 45,9 39,7 74,8 68,5 62,1 55,6 49,0 42, ,3 89,6 97, ,6 89,9 97, ,8 90,1 98, ,2 80,7 76,8 72,7 68,3 63,6 86,8 83,1 79,2 75,0 70,5 65,7 89,3 85,6 81,6 77,3 72,7 67,8 79,5 72,9 66,1 59,2 52,3 45,4 84,4 77,4 70,3 63,0 55,7 48,4 89,4 82,1 74,6 66,9 59,2 51,5 Tc [ C] - Condensation temperature [ C] - Plant (side) cooling exchanger output water temperature [kw] - Cooling capacity [kw] - Total power input [m³/h] - Plant (side) heat exchanger water flow [kpa] - Plant (side) cooling exchanger pressure drop '-' Conditions outside the operating range Waterflow and pressure drop on heat exchangers calculated with 5 C of delta T 11 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
15 COOLING CAPACITY PERFORMANCE Tc B , , , ,5 81,9 77,9 73,7 69,2 64,4 88,3 84,5 80,5 76,1 71,5 66,6 91,0 87,2 83,0 78,6 73,8 68,8 72,4 66,3 60,1 53,7 47,4 41,0 77,1 70,7 64,1 57,4 50,6 43,9 82,0 75,2 68,2 61,1 54,0 46, , , , ,8 89,8 85,6 81,1 76,2 71,1 96,5 92,5 88,2 83,5 78,6 73,3 99,3 95,2 90,8 86,0 81,0 75,6 87,0 79,9 72,5 65,0 57,5 50,0 92,3 84,7 77,0 69,1 61,1 53,2 97,7 89,7 81,6 73,3 64,9 56,6 Tc [ C] - Condensation temperature [ C] - Plant (side) cooling exchanger output water temperature [kw] - Cooling capacity [kw] - Total power input [m³/h] - Plant (side) heat exchanger water flow [kpa] - Plant (side) cooling exchanger pressure drop '-' Conditions outside the operating range Waterflow and pressure drop on heat exchangers calculated with 5 C of delta T 12 ELCADOC - Ver _0152_1604_201004_ Ref.: R410A
16 4. OPERATING RANGE Tc OUT [ C] OUT [ C] 15 Tc OUT [ C]: Heat exchanger temperature on source side (out) OUT [ C]: Cold exchanger temperature on user side (out) Limits to exchanger water temperature are valid within the minimum - maximum water flow range indicated in the Hydraulic Data section. ETHYLENE GLYCOL MIXTURE Ethylene glycol and water mixtures, used as a heat-conveying fluid, cause a variation in unit performance. For correct data, use the factors indicated in the following table. Freezing point ( C) Ethylene glycol percentage by weight 0 12% 20% 30% 35% 40% 45% 50% c 1 0,985 0,98 0,974 0,97 0,965 0,964 0,96 cq 1 1,02 1,04 1,075 1,11 1,14 1,17 1,2 cdp 1 1,07 1,11 1,18 1,22 1,24 1,27 1,3 c: cooling capacity correction factor cq: flow correction factor cdp: pressure drop correction factor For data concerning other kind of anti-freeze solutions (e.g. propylene glycol) please contact our Sales Department. FOULING FACTORS Performances are based on clean condition of tubes (fouling factor =1). For different fouling values, performance should be adjusted using the correction factors shown in the following table. Encrustation factors Evaporator Heat recovery Desuperheater f1 fk1 fx1 f2 fk2 fx2 f3 fk3 fx3 (m 2 C/W) 4,4 x ,99 1,03 1,03 0,99 1,03 1,03 (m 2 C/W) 0,86 x ,96 0,99 0,99 0,98 1,04 1,04 0,98 1,04 1,04 (m 2 C/W) 1,72 x ,93 0,98 0,98 0,95 1,06 1,06 0,95 1,06 1,06 f1 - f2 - f3: capacity correction factors fk1 - fk2 - fk3: compressor power input correction factors fx1 - fx2 - fx3: total power input correction factors 13 NECS_ME_0152_1604_201004_GB
17 5.1 HYDRAULIC DATA 5.1 Water flow and pressure drop Water flow in the heat exchangers is given by: Q=Px0,86/Dt Q: water flow (m 3 /h) Dt: difference between inlet and outlet water temp. ( C) P: heat exchanger capacity (kw) Pressure drop is given by: Dp= K x Q 2 /1000 Q: water flow (m 3 /h) Dp: pressure drop (kpa) K: unit size ratio SIZE K Q min m 3 /h Evaporator Q max m 3 /h C.a. min m ,1 11,4 0, ,8 13,2 0, ,7 15,5 0, ,4 17,4 0, ,1 19,4 0, ,5 23,1 0, ,9 26,7 0, ,1 30,1 0, ,5 33,8 1, ,8 1, ,1 43,3 1, ,4 18,2 48,8 1, ,2 46,2 1, ,4 19,9 53,3 1, ,4 22,2 59,6 1, ,7 25,2 67,6 1, ,2 28,2 75,5 1, ,7 32,2 86,2 2, ,7 36,4 97,3 2, ,2 41, , ,9 46, ,09 K evap: Q min: Q max: standard mains filter included minimum water flow admitted to the heat exchanger. maximum water flow admitted to the heat exchanger. W.c min.: minimum water content admitted in the plant, using traditional control logic 14 NECS_ME_0152_1604_201004_GB
18 5.2 HYDRONIC UNIT Available configurations Hydronic kit with one pump Hydronic kit with two pumps Compact units Plug and Play. Water-side mechanical filter (recommended) Y-filter designed and built to capture the impurities in the hydraulic circuit. It is fitted with a 0.9 mm stainless steel mesh cartridge which can be replaced without removing the valve body from the piping. The units in the NECS system are fitted standard with a hydronic group. This houses all the main hydraulic components, thereby optimising hydraulic and electric installation space, time and cost. The innovative QuickMind control fitted to the units in the NECS system, has been designed to work on systems with a low water content, offering highly professional alternatives to the installation of systems featuring storage units. For special applications, a tank to install inside the unit is available on request. The supply does not include the following accessories though these are recommended to ensure correct system operation: - MA Pressure gauges upline and downline from the unit. - GF Flexible joints on piping. - RI On-off valves - T Outlet control thermometer 2-pole low head pump Horizontal one-piece centrifugal pump with one impeller, axial suction and radial delivery, AISI 304L stainless steel pump body impeller. The section of the shaft in contact with the liquid is made from stainless steel. Mechanical seal made from components in ceramics/carbon/nbr/aisi304. Three phase electric motor protected to IP55, insulation class F, suitable for continuous service. 2-pole high head pump The hydronic group in all versions of the unit can be supplied with a high head pump. In these cases, the pump features a two-pole motor even in the silent-running versions. Second pump A second stand-by pump for high or low pressures is available on request. The pumps are automatically exchanged on the basis of a rotation programme and the stand-by pump cuts in automatically if the primary pump fails. The two-pump hydronic assembly is also fitted with check valves to ensure the unit works correctly. Special pumps For pumps with different configurations, please contact our sales department. 15 NECS_ME_0152_1604_201004_GB
19 Configuration of hydronic unit with 1/2 pumps ( ) CIRCUITS WITH TWO OPTIONAL PUMPS RETURN FROM HYDRAULIC SYSTEM DISCHARGE TO HYDRAULIC SYSTEM The hydronic group comprises: - EV Evaporator - Pd Differential pressure switch - Pe Evaporator circulation pump - SC Discharge valve - SF Relief valve - S1 Evaporator water inlet probe - S2 Evaporator water outlet probe - TP Drain plug - VA Safety valve - VR Check valve (with 2 pumps only) CIRCUIT WITH TWO OPTIONAL PUMPS CIRCUITS WITH TWO OPTIONAL PUMPS RETURN FROM HYDRAULIC SYSTEM DISCHARGE TO HYDRAULIC SYSTEM The hydronic group comprises: - EV Evaporator - Pd Pressostato differenziale - Pe Evaporator circulation pump - SC Discharge valve - SF Relief valve - S1 Evaporator water inlet probe - S2 Evaporator water outlet probe - S3 Evaporator water common outlet probe (installed by the customer) - TP Drain plug - VA Safety valve - VR Check valve (with 2 pumps only) 16 NECS_ME_0152_1604_201004_GB
20 2-pole low head pump Size (1) [kw] Q (1) [m 3 /h] Pump ref. F.L.I. [kw] F.L.A. [A] SA [A] KP1 1 pump Dpu [kpa] A , A , A , A , A , A , B , B , C , C , C , D ,4 185, D , D ,4 173, E ,4 184, E ,7 177, E ,2 170, F ,7 203, F ,7 190, G ,2 220, H ,9 234, Hu [kpa] (1) Values refer to rated operating conditions Cooling capacity of unit Q Flow of water to evaporator F.L.I. Power absorbed by pump F.L.A. Current absorbed by pump Dpu Total pressure drop of hydronic group Hu Working head SA Maximum starting current Coefficients for calculating pressure drops comprise standard mains filter: K P1 Unit with Hydronic group and one pump * The presence of the dual (second) pump can noticeably reduce the useful head due to a different hydraulic circuit. Reduction approx. 5% Hp [Pa] A B C D E G F HI Q [m3/h] 17 NECS_ME_0152_1604_201004_GB
21 2-pole low head pump Size (1) [kw] Q (1) [m 3 /h] Pump ref. F.L.I. [kw] F.L.A. [A] SA [A] KP1 1 pump Dpu [kpa] I , I , I , I , I , L , L , M , M , M , M , N ,4 252, M , N ,4 299, N ,4 279, O ,7 291, O ,2 281, O ,7 265, P ,7 327, P ,2 303, Q ,9 321, Hu [kpa] (1) Values refer to rated operating conditions Cooling capacity of unit Q Flow of water to evaporator F.L.I. Power absorbed by pump F.L.A. Current absorbed by pump Dpu Total pressure drop of hydronic group Hu Working head SA Maximum starting current Coefficients for calculating pressure drops comprise standard mains filter: K P1 Unit with Hydronic group and one pump * The presence of the dual (second) pump can noticeably reduce the useful head due to a different hydraulic circuit. Reduction approx. 5% Hp [Pa] Q N P M 150 I O 100 L Q [m3/h] 18 NECS_ME_0152_1604_201004_GB
22 6. ELECTRICAL DATA Maximum values Size n F.L.I. [kw] Compressor Total unit (1) (2) F.L.A. [A] L.R.A. [A] F.L.I. [kw] F.L.A. [A] x9 2x15.3 2x x10.1 2x16.4 2x x11.8 2x20.4 2x x13.2 2x22.6 2x x14.4 2x25.5 2x x17 2x30.5 2x x17+1x22.3 1x30.5+1x36.1 1x173+1x x22.3 2x36.1 2x x22.3+1x27.4 1x36.1+1x45.8 1x225+1x x27.4 2x45.8 2x x27.4+1x35.8 1x45.8+1x58.9 1x272+1x x17 4x30.5 4x x35.8 2x58.9 2x x17+2x22.3 2x30.5+2x36.1 2x173+2x x22.3 4x36.1 4x x22.3+2x27.4 2x36.1+2x45.8 2x225+2x x27.4 4x45.8 4x x27.4+2x35.8 2x45.8+2x58.9 2x272+2x x35.8 4x58.9 4x x35.8+2x46.5 2x58.9+2x73.6 2x310+2x x46.5 4x73.6 4x S.A. [A] F.L.I. Full load power input at max admissible condition F.L.A. Full load current at max admissible condition L.R.A. Locked rotor amperes for single compressor S.A. Starting current Power supply: 400/3/50 Voltage tolerance: 10% Maximum voltage unbalance: 3% (1) Values calculated referring to the version with the maximum number of fans working at the max absorbed current (2) Safety values to be considered when cabling the unit for power supply and line-protections 19 NECS_ME_0152_1604_201004_GB
23 7 FULL LOAD SOUND LEVEL B SIZE SOUND POWER Octave band [Hz] Total sound level Standard unit Sound power level db(a) Working conditions Plant (side) cooling exchanger water (in/out) 12/7 C Condensation temperature 47 C Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units Such certification refers specifically to the sound Power Level in db(a). This is therefore the only acoustic data to be considered as binding. SOUND PRESSURE LEVEL SIZE Octave band [Hz] at 10 m Total sound level Sound pressure level db(a) Standard unit Working conditions Plant (side) cooling exchanger water (in/out) 12/7 C Condensation temperature 47 C Average sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level Total sound level With insulation cover ELCADOC - Ver _0152_1604_201004_GB Ref.: R410A
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