Related Manuals for AERMEC NXW 0500
Summary of Contents for AERMEC NXW 0500
- Page 1 CHILLERS- Technical manual - installation - maintenance LLERS- Technical manual - installation - mainte nance INXWPY. 1004. 4438805_00...
- Page 3 AERMEC S.p.A AERMEC S.p.A. reserves the right at all times to make any modification for the improvement of its product and is not obliged to add these modification to machines of previous manufacture that have already been delivered or are being built.
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Page 4: Table Of Contents
Summary General warnings ............6 11.3. Expansion tank calibration ........27 1.1. Storage of the documentation ......... 6 1.2. Safety precautions and installation ......6 Glycol ................28 12.1. How to read the glycol curves ........ 28 Product identifi cation ..........6 Cooling lines ............... - Page 5 AERMEC S.p.A. 37040 Bevilacqua (VR) Italy – Via Roma, 996 Tel. (+39) 0442 633111 Telefax 0442 93730–(+39) 0442 93566 www.aermec.com - info@aermec.com SERIAL NUMBER DECLARATION OF CONFORMITY We, the undersigned, declare on our own exclusive responsibility that the object in...
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Page 6: General Warnings
GENERAL WARNINGS 1.2. SAFETY PRECAUTIONS AND INSTALLATION NXW AERMEC is built according to − the chiller must be installed by an recognised technical standards and Standards and directives to authorised and qualified techni- safety regulations. They have been be followed in the design and... -
Page 7: Description And Choice Of The Unit
NXW range chillers are available in − Silenced L 11 sizes. By combining the wide variety For years Aermec has been attentive to Reduced sound emission thanks of available options, it is possible to the energy effi ciency issue, and has now... -
Page 8: Description And Choice Of The Unit
3.4. DESCRIPTION AND CHOICE OF THE UNIT 1 2 3 4 5 6 7 0650 ° ° ° ° ° ° ° ° Field: 1 2 3 Code 4 5 6 7 Size: 0500, 0550, 0600, 0650, 0700, 0750, 0800, 0900, 1000, 1250, 1400 Field of use: °... -
Page 9: Description Of Components
silenced versions) DESCRIPTION OF shuts down compressor operation in the It is comprised of panels in suitably thick COMPONENTS galvanized sheet metal and internally case of abnormal operating pressure. finished with sound-proofing material. Cooling circuit safety valves (HP) Allows the sound power level emitted 4.1. - Page 10 ler operation, and is necessary only This system reduces the compressor when initially programming the basic wear parameters. − The PDC “Pull Down Control” sys- tem to prevent the activation of Microprocessor the power steps when the water − Multilingual menu temperature is approaching the −...
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Page 11: Accessories
ACCESSORIES remote control terminal. PGD1 It can only be installed when the remote terminals provide the same machine is being made and must functions as the on-board terminals therefore be specified when the 5.1. ELECTRIC REGULATION (keyboard controls and display). order is placed. - Page 12 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 Through this accessory it is possible to connect the unit with BMS supervision systems with electrical standard AER485P1 RS 485 and MODBUS type protocol. • • • • • •...
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Page 13: Technical Data
TECHNICAL DATA 6.1. STANDARD VERSION ° - L SIZE 0500-0550-0600-0650-0700-0800-0900-1000-1250-1400 Mod. NXW vers U.M. 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 Cooling capacity [1] Total input power 22.2 23.9 29.5 32.9 37.3 43.6 50.4 57.8 64.5 70.3 76.1 Evaporator water flow rate... - Page 14 * Performance values refer to cooling mode (1) SOUND POWER (2) SOUND PRESSURE Aermec determines the value of the sound power based on the Sound pressure in free field on reflecting plane (direction fact. measurements taken in accordance with standard 9614-2, with Q=2), at 10 metres distance from the external surface of the respect to the certification requirement Eurovent.
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Page 15: Standard Version H Size 0500-0550-0600-0650 0700-0800-0900-1000-1250-1400
6.2. STANDARD VERSION H SIZE 0500-0550-0600-0650-0700-0800-0900-1000-1250-1400 Mod. NXW vers U.M. 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 Cooling capacity Total input power 23.2 25.0 30.3 34.2 38.9 45.5 52.0 60.4 68.8 74.7 80.6 Evaporator water flow rate 18232 19608 24252... - Page 16 * Performance values refer to cooling mode (1) SOUND POWER (2) SOUND PRESSURE Aermec determines the value of the sound power based on the Sound pressure in free field on reflecting plane (direction fact. measurements taken in accordance with standard 9614-2, with Q=2), at 10 metres distance from the external surface of the respect to the certification requirement Eurovent.
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Page 17: Standard Version E Size 0500-0550-0600-0650 0700-0800-0900-1000-1250-1400
5°C (1) SOUND POWER (2) SOUND PRESSURE Aermec determines the value of the sound power based on the Sound pressure in free field on reflecting plane (direction fact. measurements taken in accordance with standard 9614-2, with Q=2), at 10 metres distance from the external surface of the respect to the certification requirement Eurovent. -
Page 18: Operating Limits
OPERATING LIMITS Standard 7.1. OPERATING LIMITS STANDARD VERSION Reference should be made to the diagram below for the operating limits. (see table 7.1.1) The diagram for the operating limits is relative to aIl Δt Y, X °, X °, X on the evaporator and on the condenser of 5 °C. -
Page 19: Corrective Factor
CORRECTIVE FACTOR 8.1. HEATING CAPACITY AND INPUT POWER HEATING CAPACITY - “HEAT PUMP VERSIONS IN HEATING MODE” The heating capacity yielded and the input electrical capac- ity in conditions other than rated conditions are obtained by mul- tiplying the rated values (Pt, Pa) by the respective correction coefficients (Ct, Ca). -
Page 20: Cooling Capacity And Input Power
COOLING CAPACITY 8.4. COOLING CAPACITY AND INPUT POWER - “HEATING PUMP IN COOLING OPERATION VERSIONS ” T h e r e f r i g e r a t i n g c a p a c i t y yielded and the input electrical capacity in conditions other than rated conditions are obtained by... -
Page 21: Cooling Capacity - Input Power Version E (Condenserless)
COOLING CAPACITY 8.7. COOLING CAPACITY - INPUT POWER VERSION E (CONDEN- SERLESS) - “VERSIONS E (CONDENSERLESS) T h e r e f r i g e r a t i n g c a p a c i t y yielded and the input electrical capacity in conditions other than rated conditions are obtained by... -
Page 22: Heating Capacity With Desuperheater
8.10. HEATING CAPACITY WITH DESU- PERHEATER The heating capacity yielded in conditions other than rated condi- tions are obtained by multiplying the rated values (Pt, Pa) by the 50 °C respective correction coefficients (Cd). Diagram (Tab. 8.10.1) allows you 45 °C to obtain the correction coef- ficients;... -
Page 23: Heating Capacity With Total Recovery
8.14. HEATING CAPACITY WITH TOTAL HEATING CAPACITY RECOVERY The heating capacity yielded and the input electrical capacity in conditions other than rated condi- tions are obtained by multiplying the rated values (Pt, Pa) by the respective correction coefficients (Cr, Ca). Diagram (Tab. -
Page 24: Perdite Di Carico Del Recupero Totale
8.17. PRESSURE DROPS TOTAL RECOVERY The pressure drops in the charts refer to an average water temperature of 50 °C. The table (8.17.1) shows the cor- 0750-0800 rections to apply to the pressure drops with a variation in average water temperature. -
Page 25: Useful Heads
USEFUL HEADS EVAPORATOR USEFUL HEAD HIGH HEAD VERSION° 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 WATER FLOW RATE [l/h] CONDENSER USEFUL HEAD HIGH HEAD VERSION °, H, EVAPORATOR VERSION H 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000... - Page 26 EVAPORATOR USEFUL HEAD LOW HEAD VERSION ° 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 WATER FLOW RATE [l/h] CONDENSER USEFUL HEAD LOW HEAD VERSION °, H, EVAPORATOR VERSION H 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 WATER FLOW RATE [l/h]...
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Page 27: Minimum/Maximum Water Content In The System
MINIMUM/MAXIMUM 11.2.1 WATER CONTENT IN THE Hydraulic height ≥ 12.25 SYSTEM Calibration of the expansion vessel Water content reference value 2.174 2.646 3.118 3590 3852 11.1. MINIMUM/MAXIMUM CONTENT OF Water content reference value 1190 1404 1616 1732 SYSTEM WATER, FOR UNITS WITHOUT HYDRONIC KIT 11.2.2 Glycoled... -
Page 28: Glycol
GLYCOL FcGDpF (a) 2.20 − The cooling capacity and input FcGDpF (b) 2. 1 0 power correction factors make al- 2.00 FcGDpF (c) lowance for the presence of glycol 1.90 FcGDpF (d) 1.80 and the different evaporation tem- 1.70 perature. 1.60 FcGDpF (e) −... -
Page 29: Cooling Lines
COOLING LINES Refrigerant Refrigerant R410A per R410A per Delivery line [mm] Liquid line [mm] Line length metre of line metre of line Model [g/m] [g/m] 0-10 NXW0500E 10-20 20-30 0-10 NXW0550E 10-20 20-30 0-10 NXW0600E 10-20 20-30 0-10 10-20 NXW0650E 20-30 0-10 NXW0700E... -
Page 30: Sound Data
63.7 77.1 79.8 69.5 64.4 48.1 1250L 60.8 65.7 79.1 81.8 71.5 66.4 50.1 1400L 60.8 65.7 79.1 81.8 71.5 66.4 50.1 NXW 0500-0750 version with pumps add 2dB NXW 0800-1400 version with pumps add 3dB 30 INXWPY. 1004. 4438805_00... -
Page 31: Safety And Check Parameter Setting
SAFETY AND CHECK PARAMETER SETTING CHECK PARAMETERS MIN. 4°C Cooling set Water inlet temperature in cooling mode MAX. 15°C DEFAULT 7.0°C MIN. 30°C Heating setting Water inlet temperature in heating mode MAX. 50°C DEFAULT 50°C MIN. -9°C Antifreeze alarm intervention temperature on EV side (water Antifreeze intervention MAX. -
Page 32: Capacity Control
CAPACITY CONTROL Capacity step control (cold) * Cooling capacity % Levels of power Versions 1° 2° 3° 4° NXW0500 NXW0550 NXW0600 NXW0650 NXW0700 NXW0750 NXW0800 NXW0900 NXW1000 NXW1250 NXW1400 * Input power % Levels of power Versions 1° 2° 3° 4°... - Page 33 Capacity step control (hot) * Heating capacity Levels of power Versions 1° 2° 3° 4° NXW0500 NXW0550 NXW0600 NXW0650 NXW0700 NXW0750 NXW0800 NXW0900 NXW1000 NXW1250 NXW1400 * Input power % Levels of power Versions 1° 2° 3° 4° NXW0500 NXW0550 NXW0600 NXW0650 NXW0700...
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Page 34: Selection And Place Of Installation
FOR THE INSTALLER SELECTION AND PLACE OF tory wrapped in estincoil. Before moving the unit, check the lifting INSTALLATION straps do not work loose of their capacity of the machines used. housing. The hooking point of the Once the packaging has been re- Before installing the unit, decide with moved, the unit must be handled by lifting frame must be on the vertical... -
Page 35: Dimensional Tables
DIMENSIONAL TABLES NXW 0500/0700 STANDARD VERSION Model 0500 0550 0600 0650 0700 1190 1190 1190 1190 1190 OUTLET CONDENSER Uscita condensatore INLET EVAPORATOR Ingresso evaporatore OUTLET EVAPORATOR Ingresso condensatore INLET CONDENSER Uscita evaporatore POSITION Model 0500 0550 0600 0650 0700... - Page 36 Version STANDARD 0750,0800,1000,1250,1400 Model 0750 0800 0900 1000 1250 1400 1190 1190 1454 1464 1464 1464 OUTLET CONDENSER INLET EVAPORATOR Uscita condensatore Ingresso evaporatore INLET CONDENSER Ingresso condensatore OUTLET EVAPORATOR Uscita evaporatore POSITION Model 0750 0800 0900 1000 1250 1400 1600 1600 1600...
- Page 37 NXW FROM 0500 TO 1400 VERSION WITH PUMP Model 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 Pompe evaporatore Pompe condensatore OUTLET CONDENSER Uscita condensatore OUTLET EVAPORATOR Uscita evaporatore INLET EVAPORATOR Ingresso evaporatore INLET CONDENSER Ingresso condensatore POSITION Model 0500...
- Page 38 NXW LOW NOISE VERSION POSITION POSITION Model 0750 0800 0900 1000 1250 1400 Model 0500 0550 0600 0650 0700 1600 1600 1600 1600 1600 1600 1790 2054 2054 2054 2054 2054 1790 1790 1790 1790 1790 1885 1885 1885 1885 1885 1885 1885...
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Page 39: Hydraulic Circuit
HYDRAULIC CIRCUIT install the following instruments, if not The systems loaded with anti-freeze or foreseen in the version you have: specific regulations, need the water 1. Two pressure gauges of suitable size backflow system. The NXW standard version is comprised (input and output section). -
Page 40: Percentage Distribution Of Weights On Supports
PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS 21.1. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION - SIZE FROM 0500 TO 0750) ° EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0500 ° NXW0500 ° + 1 pump NXW0500 °... -
Page 41: Percentage Distribution Of Weights On Supports (Version ° - Sizes From 0800 To 1400)
21.2. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION ° - SIZES FROM 0800 TO 1400) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0800 ° 1224 NXW0800 ° + 1 pump 1105 1244 NXW0800 ° + 2 pumps 1165 1297 NXW0800... -
Page 42: Percentage Distribution Of Weights On Supports (Version H - Sizes From 0500 To 0750)
21.3. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS - SIZES FROM 0500 TO 0750) (VERSION H EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0500H NXW0500H H + 1 pump NXW0500H H + 2 pumps NXW0500H H + 3 pumps 1047 NXW0500H H + 4 pumps... -
Page 43: Percentage Distribution Of Weights On Supports (Version H - Sizes From 0800 To 1400)
21.4. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION H - SIZES FROM 0800 TO 1400) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0800H 1042 1227 NXW0800H H + 1 pump 1157 1244 NXW0800H H + 2 pumps 1218 1295 NXW0800H H + 3 pumps... -
Page 44: Percentage Distribution Of Weights On Supports (Version L - Sizes From 0800 To 1400)
21.5. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION L - SIZES FROM 0800 TO 1400) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0500L ° NXW0500L ° + 1 pump NXW0500L ° + 2 pumps NXW0500L °... -
Page 45: Percentage Distribution Of Weights On Supports (Version L - Sizes From 0800 To 1400)
21.6. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION L - SIZES FROM 0800 TO 1400) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0800L ° 1187 1226 NXW0800L ° + 1 pump 1357 1292 NXW0800L ° + 2 pumps 1417 1334 NXW0800L... -
Page 46: Percentage Distribution Of Weights On Supports (Version Hl - Sizes From 0500 To 750)
21.7. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION HL - SIZES FROM 0500 TO 750) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0500HL NXW0500HL H + 1 pump NXW0500HL H + 2 pumps 1030 NXW0500HL H + 3 pumps 1077 NXW0500HL... -
Page 47: Percentage Distribution Of Weights On Supports (Version Hl - Sizes From 0800 To 1400)
21.8. PERCENTAGE DISTRIBUTION OF WEIGHTS ON SUPPORTS (VERSION HL - SIZES FROM 0800 TO 1400) EMPTY PERCENTAGE WEIGHT DISTRIBUTION ON SUPPORTS (%) MODEL CENTRE OF GRAVITY Weight NXW0800HL 1240 1228 NXW0800HL H + 1 pump 1409 1291 NXW0800HL H + 2 pumps 1470 1331 NXW0800HL H + 3 pumps... -
Page 48: Electrical Wirings
SECT.B (400V-3) (400V-3) (400V-3) RECOMMENDED Model U.M. U.M. U.M. U.M. LENGTH (metres) NXW 0500 NXW 0550 NXW 0600 NXW 0650 NXW 0700 NXW 0750 NXW 0800 NXW 0900 NXW 1000 NXW 1250 NXW 1400 Sec. A: Power supply Sec. B: Controls and safety connection... - Page 49 RECOMMENDED SECT.B (400V-3) (400V-3) (400V-3) LENGTH Model U.M. U.M. U.M. U.M. U.M. NXW 0500 NXW 0550 NXW 0600 NXW 0650 NXW 0700 NXW 0750 NXW 0800 NXW 0900 NXW 1000 NXW 1250 NXW 1400 Sec. A: Power supply Sec. B: Controls and safety connection...
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Page 50: Connection To The Power Supply
For higher lengths or differ- 22.3. ELECTRICAL POWER CONNECTION ent types of cable installa- tion, it will be the DESIGNERS For the functional − responsibility to carefully connection of the unit, measure the line main run the power supply switch, the supply power line and the earthing protection cable to the electrical connection, and the work-... -
Page 51: Control And Fi Rst Start-Up
Bear in mind that a free start-up service is offered by the Aermec Technical Service for the unit of this series, at the request of Aermec customers or legitimate owners when the test is fi nished and in ITALY only. -
Page 52: Operation Characteristics
OPERATION operation, when the water fl ow rate is WARNING: running, activate the function of water AT ANY INTERVENTIONS OF THIS ALARM CHARACTERISTICS fl ow rate alarm (fl ow switch). IT IS RECOMMENDED TO IMMEDIATELY CONTACT THE NEAREST TECHNICAL 24.1. COOLING SET POINT 24.5. - Page 53 drained, causing the unit to malfunc- − The refrigerant R410A has to be It is advisable to keep a ma- tion. In these cases, the refrigerant loaded only in liquid phase. chine booklet (not supplied, leakage points are found and repaired, −...
- Page 54 54 INXWPY. 1004. 4438805_00...
- Page 55 INXWPY. 1004. 4438805_00...
- Page 56 The technical data in the following documentation are Via Roma, 996 - Tel. (+39) 0442 633111 not binding. Aermec reserves the right to make all the Telefax (+39) 0442 93730 – (+39) 0442 93566 modifications considered necessary for improving the product www.aermec.com...