AERMEC NRP 0800 Installation Manual
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AERMEC NRP 0800 Installation Manual

Air-water multipurpose
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2 2 . 1 1 – 5 8 0 6 7 1 2 _ 0 7
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
NRP 0800-1800
Installation Manual
AIR-WATER MULTIPURPOSE

C o o l i n g c a p a c i t y 5 2 ÷ 1 2 0 t o n
H e a t i n g c a p a c i t y 7 3 8 , 3 8 7 ÷ 1 , 6 8 9 , 3 5 1 B T U / h
w w w . a e r m e c . c o m

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  • Page 1 2 2 . 1 1 – 5 8 0 6 7 1 2 _ 0 7 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 NRP 0800-1800 Installation Manual AIR-WATER MULTIPURPOSE C o o l i n g c a p a c i t y 5 2 ÷...
  • 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: Table Of Contents

    Multiple installation ................p. 12 6. Position of the vibration dampers ........p. 13 7. Weight distribution and centres of gravity ....p. 14 8. Dimensional tables ..............p. 18 NRP 0800-1000 ..................p. 18 NRP 1250-1800 ..................p. 19 9. Hydraulic connections ............p. 20 Connections ..................p. 20 Water characteristics ................p. 20 Discharging system ................
  • Page 5 This mark indicates that the disposal of this product must strictly follow the national and local laws in force. 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 6: Product Description

    PRODUCT DESCRIPTION Multipurpose external units designed for 2 or 4-pipe systems. With just one unit simultaneous and independent requests for hot and chilled water can be accom- modated all year round. SYSTEM TYPES 2-pipe system The multipurpose 2-pipe units have been made to respond to the demands of ho- tels, where there is a high cold/hot water and DHW demand throughout the year.

  • Page 7: General Warnings

    — The product is intended to be used for the purpose indicated by Aermec and for which it was expressly designed. Aermec shall not be contractually or non-con-...

  • Page 8: Precautions Concerning The Hydraulic Circuit

    (even — Keep all lubricants in properly marked containers. Do not keep flammable liq- though the circuit is tested before leaving the Aermec factory); uids near the plant; — Do not bend or strike pipes containing pressurised fluids. Do not exceed the maximum permissible pressure (PS) of the unit's water circuit;...

  • Page 9: Operating Range

     If the unit is installed in particularly windy locations the provision of wind barriers may be necessary to avoid malfunctions. It should be installed if wind speed is above 4.3 knot. WARNING: Under no circumstances does the unit have to be operated outside the operating limit under penalty of the warranty expiration. Aermec S.p.A.

  • Page 10: Pre-Installation

    Product identification Aermec products are identifiable by the packaging label that shows the product identification data, and by the rating plate that shows the performance and iden- tification technical data of the unit in your possession.

  • Page 11: Positioning

    The anti-vibration sup- — That the air expulsion from the equipment can penetrate into living areas ports must be fixed to the unit BEFORE being earthed. AERMEC is not responsi- through doors or windows;...

  • Page 12: Minimum Technical Spaces

    MINIMUM TECHNICAL SPACES For all units, it is fundamental to respect the minimum distances in order to guarantee optimal ventilation to the finned heat exchanger coils to avoid the following: — The generation of hazardous atmospheres in the case of refrigerant gas leaks; —...

  • Page 13: Position Of The Vibration Dampers

    POSITION OF THE VIBRATION DAMPERS For DIMENSIONS and POSITION OF HYDRAULIC CONNECTIONS refer to the DWG file on site www.aermec.com or selection program Magellano  View from below NRP- 0800 - 1000 3,9in 71,9in 71,9in 3,9in 2,0in Ø20 NRP- 1250-1800...

  • Page 14: Weight Distribution And Centres Of Gravity

    WEIGHT DISTRIBUTION AND CENTRES OF GRAVITY  Top view EMPTY Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side 7,143 7,496 7,474 9,943 10,031 10,119 10,538 10,847 R1/R3 7,452 7,804 7,804 10,318 10,406...
  • Page 15 Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side 12.1% 11.3% 12.8% 12.9% 12.8% 12.9% 9.2% 9.9% R1/R3 11.0% 10.4% 11.7% 12.1% 12.0% 12.2% 8.7% 9.4% R2/R4 10.1% 9.6% 10.8% 11.6% 11.5% 11.6%...
  • Page 16 DURING OPERATION Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side 7,209 7,584 7,584 10,097 10,185 10,296 10,737 11,045 R1/R3 7,562 7,915 7,915 10,494 10,582 10,692 11,133 11,442 R2/R4 7,848 8,201 8,201 10,803...
  • Page 17 Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side 4.6% 6.3% 6.2% 17.5% 18.0% 17.7% 18.9% 17.9% R1/R3 4.9% 6.4% 6.3% 19.6% 20.0% 19.7% 20.6% 19.6% R2/R4 5.1% 6.5% 6.4% 21.1% 21.5% 21.2%...

  • Page 18: Dimensional Tables

    DIMENSIONAL TABLES NRP 0800-1000 96,5in 167,3in 86,6in NRP 0800-0900 60Hz 3.9 in 3.9 in NRP 1000 60Hz 3.9 in 3.9 in 22.11 – 5806712_07...

  • Page 19: Nrp 1250-1800

    NRP 1250-1800 96,5in 226,4in 86,6in 21.7 in 43.3 in 80.8 in 43.3 in 21.7 in 22.11 – 5806712_07...

  • Page 20: Hydraulic Connections

    Aermec shall not be liable for any damage deriving from the use of "hard" water that is not treated or that was improperly treated. WARNING! The hydraulic connection pipes to the unit must be suit-...

  • Page 21: Anti-Freeze Protection

    2. Using the resistances. In this case the resistances must always be supplied with electrical power for the entire period of possible freezing (machine in stand-by); 3. Operation with glycol/water fluid, with a percentage of glycol based on the minimum outdoor temperature expected. WARNING! Make sure that air drain valves have been installed in all the highest points of the hydraulic circuit and outside inhabited en- vironments.

  • Page 22: Position Of Hydraulic Connections

    POSITION OF HYDRAULIC CONNECTIONS NRP 0800÷0900 | version “00” 31.5 in 75.8 in NRP 0800÷0900 | versionS “R1-R2-R3-R4 - P1-P2-P3-P4” 31.5 in 71.1 in 55.0 in 75.8 in NRP 1000 | version “00” 31.5 in 75.8 in NRP 1000 | versions “R1-R2-R3-R4 - P1-P2-P3-P4”...
  • Page 23 NRP 1250-1800 | version “00” 61.1 in 105.4 in NRP 1250-1800 | versions “R1-R2-R3-R4 - P1-P3” 61.1 in 23.4 in 100.7 in 105.4 in NRP 1250-1800 | versions “R1-R2-R3-R4 - P2-P4” 61.1 in 23.4 in 80.8 in 105.4 in 22.11 – 5806712_07...

  • Page 24: System Water Content

    NOTICE: Under no circumstances does the unit have to be operated in a system in which the content of the water circulating is below the MINIMUM SYSTEM WATER CONTENT, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated in a system in which the...

  • Page 25: Expansion Vessel Setting

    EXPANSION VESSEL SETTING The expansion tank volume is 6.3 gal. The standard value of the expansion tank pre-charge pressure is 21.8 psi, but this can be calibrated up to a maximum of 87.0 psi. The expansion tank pressure setting has to be adjusted based on the difference in height (H) of the installation (see figure) according to the formula: p (rating) [psi] = H [ft] / 33.5 + 1.0.

  • Page 26: Main Hydraulic Circuits

    WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated...
  • Page 27 WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated with water whose characteristics are outside the limits in the table WATER CHARACTERISTICS and for their consequences.
  • Page 28 WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated...

  • Page 29: 4-Pipe System

    WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated with water whose characteristics are outside the limits in the table WATER CHARACTERISTICS and for their consequences.
  • Page 30 WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be held responsible for any malfunction of the units which are operated with water whose characteristics are outside the limits in the table WATER CHARACTERISTICS and for their consequences.
  • Page 31 WATER CHARACTER- ISTICS, under penalty of the warranty expiration. Aermec cannot be Clapet valve held responsible for any malfunction of the units which are operated with water whose characteristics are outside the limits in the table The unit with double pump circuit does not have one-way valves.

  • Page 32: Main Cooling Refrigerant Layouts

    12 MAIN COOLING REFRIGERANT LAYOUTS MAIN COOLING REFRIGERANT LAYOUTS FOR 2-PIPE SYSTEM Cold water production at system Key: One-way valve Liquid separator Plant return water Thermostatic expansion valve Low pressure transducer System delivery water Sight glass Compressor System side heat exchanger Filter drier High pressure switch Dhw side exchanger...
  • Page 33 2 CIRCUITS TO PRODUCE HOT WATER ONLY TO DHW Key: One-way valve Liquid separator Plant return water Thermostatic expansion valve Low pressure transducer System delivery water Sight glass Compressor System side heat exchanger Filter drier High pressure switch Dhw side exchanger Liquid accumulator High pressure transducer Source side heat exchanger...

  • Page 34: Main Cooling Refrigerant Layouts For 4-Pipe System

    CIRCUIT FOR PRODUCING HOT WATER TO SYSTEM | CIRCUIT FOR PRODUCING HOT WATER TO DHW Key: One-way valve Liquid separator Plant return water Thermostatic expansion valve Low pressure transducer System delivery water Sight glass Compressor System side heat exchanger Filter drier High pressure switch Dhw side exchanger Liquid accumulator...
  • Page 35 System hot water production DHW SYSTEM SUPPLY H DHW SYSTEM H Key: One-way valve Liquid separator Plant return water Thermostatic expansion valve Low pressure transducer System delivery water Sight glass Compressor System side heat exchanger Filter drier High pressure switch Dhw side exchanger Liquid accumulator High pressure transducer...

  • Page 36: Electrical Wiring

    13 ELECTRICAL WIRING For the installation requirements refer only to the wiring diagram supplied with the unit. The wiring diagram along with the manuals must be kept in good condition and always available for any future servicing on the unit. THE CABLE GLANDS ARE NOT SUPPLIED WITH THE UNIT This equipment is compliant with IEC 61000-3-12 provided that the short circuit power S is greater than or equal to R...

  • Page 37: Electric Data

    It is mandatory to verify that the machine is watertight before making the electrical connections and it must only be powered up after the hydraulic and electrical works have been completed. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard. Electric power connection to te electrical mains —...

  • Page 38: Power Supply 230V

    POWER SUPPLY 230V Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side 1011 1046 1115 R1/R2 1036 1071 1140 R3/R4 1046 1081 1150 P1/P2 1029 1064 1133 Peak current (LRA) P1/P2 R1/R2 1053...

  • Page 39: Power Supply 575V

    POWER SUPPLY 575V Integrated Integrated Version hydronic kit user hydronic kit, 0800 0900 1000 1250 1400 1500 1650 1800 side recovery side R1/R2 R3/R4 P1/P2 Peak current (LRA) P1/P2 R1/R2 P1/P2 R3/R4 P3/P4 P3/P4 R1/R2 P3/P4 R3/R4 R1/R2 R3/R4 P1/P2 Minimum circuit P1/P2 R1/R2...

  • Page 40: Commisioning - Warnings

    (Mandatory component for warranty to be valid); NOTICE: Aermec cannot be held responsible for any malfunction of the units which are due to errors during commissioning.

  • Page 41: Maintenance

    15 MAINTENANCE NOTICE: Aermec cannot be held responsible for any malfunction of the — Make sure that the protections of mobile elements are correctly in place before units which are due to improper or missing maintenance. restarting the unit; — It is not permitted to walk on the machine or to place other items on it;...

  • Page 42: Routine And Extraordinary Maintenance

    — It is not permitted to change the refrigerant, hydraulic or electric layout of the unit, or its control logic unless expressly authorised by Aermec; — The machine must be loaded with the type and quantity of refrigerant indicated on the identification label.

  • Page 43: List Of The Recommended Periodic Interventions

    16 LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS GENERAL INTERVENTIONS DESCRIPTION FREQUENCY Note 3 Mths 6 Mths 12 Mths GENERAL INTERVENTIONS Refrigerant leak control (this operation must be performed with the frequency suggested by current European regulations) • • Unit supply voltage control Compressor supply voltage control •...
  • Page 44 DOWNLOAD THE LATEST VERSION: TÉLÉCHARGER LA DERNIÈRE VERSION: http://www.aermec.com/qrcode.asp?q=14262 http://www.aermec.com/qrcode.asp?q=14263 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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