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2 2 . 1 1 – 5 1 6 7 5 5 7 _ 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
NRK 0150-0700
Installation Manual
REVERSIBLE AIR/WATER HEAT PUMP
C o o l i n g c a p a c i t y 8 . 8 ÷ 3 9 . 7 t o n
H e a t i n g c a p a c i t y 1 1 6 , 8 6 6 ÷ 5 9 3 , 2 3 5 B T U / h
w w w . a e r m e c . c o m
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Table of Contents
Related Manuals for AERMEC NRK 0150-0700
Summary of Contents for AERMEC NRK 0150-0700
- Page 1 2 2 . 1 1 – 5 1 6 7 5 5 7 _ 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 NRK 0150-0700 Installation Manual REVERSIBLE AIR/WATER HEAT PUMP C o o l i n g c a p a c i t y 8 .
- 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.
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Page 4: Table Of Contents
TABLE OF CONTENTS Maximum system water content ..........p. 23 1. General warnings ..............p. 6 11. Expansion vessel setting ............p. 24 Introduction .....................p. 6 General warnings ...................p. 6 12. Main hydraulic circuits ............p. 25 Essential safety rules ................p. 6 NRK 0150 (00) ..................p. 25 Precautions concerning the hydraulic circuit ......p. 7 Water characteristics ................ - 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...
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Page 6: 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 7: 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 8: General Information
GENERAL INFORMATION UNIT DESCRIPTION Reversible air/water heat pump for air conditioning systems with cold water production for cooling rooms and hot water for heating and/or domestic hot water services, suitable for connection in residential, commercial complexes or industrial applications. It's optimised for use in heating mode, and can be combined not only with low-temperature emission systems such as floor heating or fan coils, but also conventional radiators. The units use R410A refrigerant gas and are equipped with scroll compressors, axial flow fans, external copper coils with aluminum fins, plate heat exchanger on the plant side. -
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: Refrigerant Circuits
REFRIGERANT CIRCUITS REFRIGERANT DIAGRAM NRK 0300-0350 - IN COOLING MODE 22.11 – 5167557_04... -
Page 11: Refrigerant Diagram Nrk 0300-0350 - In Heating Mode
REFRIGERANT DIAGRAM NRK 0300-0350 - IN HEATING MODE 22.11 – 5167557_04... -
Page 12: Refrigerant Diagram Nrk 0600-0700 - In Cooling Mode
REFRIGERANT DIAGRAM NRK 0600-0700 - IN COOLING MODE 22.11 – 5167557_04... -
Page 13: Refrigerant Diagram Nrk 0600-0700 - In Heating Mode
REFRIGERANT DIAGRAM NRK 0600-0700 - IN HEATING MODE 22.11 – 5167557_04... -
Page 14: 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 15: Storage
The anti-vibration sup- — Check for any damage ports must be fixed to the unit BEFORE being earthed. AERMEC is not responsi- — Make sure there is no water inside the hydraulic systems;... -
Page 16: Minimum Technical Spaces
MINIMUM TECHNICAL SPACES SINGLE INSTALLATION NRK 0150 NRK 0300 NRK 0330 - 0350 - 0550 NRK 0600 - 0650 - 0700 Size 0150 0300 0330 0350 0550 0600 0650 0700 Minimum technical spaces 118.1 118.1 118.1 118.1 118.1 118.1 118.1 118.1 31.5 31.5... -
Page 17: Dimensions
DIMENSIONS NRK 0150 NRK 0300 NRK 0330-0350-0550 NRK 0600-0650-0700 Size 0150 0300 0330 0350 0550 0600 0650 0700 Dimensions and weights 57.1 63.2 73.8 73.8 73.8 73.8 73.8 73.8 29.7 43.3 43.3 43.3 43.3 43.3 43.3 43.3 68.8 126.0 131.4 131.4 131.4 170.5... -
Page 18: Weight Distribution And Anti-Vibration Mounts Position
WEIGHT DISTRIBUTION AND ANTI-VIBRATION MOUNTS POSITION NRK 0150 NRK 0300 NRK 0330-0350 NRK 0600-0650 0550 0700 Size 0150 0300 0330 0350 0550 0600 0650 0700 INTEGRATED HYDRONIC KIT: 00 Weights Weight functioning 1,742 1,863 1,958 1,975 2,571 2,571 2,626 Empty weight 1,728 1,845 1,938... - Page 19 Size 0150 0300 0330 0350 0550 0600 0650 0700 Weight distribution in % on the supports (empty) INTEGRATED HYDRONIC KIT: P1, P3 Weights Weight functioning 1,878 2,000 2,094 2,112 2,709 2,709 2,765 Empty weight 1,843 1,960 2,053 2,070 2,661 2,661 2,714 Centre of gravity (empty) 13.8...
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Page 20: Position Of The Vibration Dampers
POSITION OF THE VIBRATION DAMPERS View from below Each letter corresponds to an anti-vibration hole NRK 0150 NRK 0300 7.9 in 7.9 in 110.3 in 62.9 in 3.0 in 3.0 in NRK 0350-0330-0550 7.9 in 51.5 in 51.5 in 20.6 in 0.8 in 0.8 in... -
Page 21: 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 22: Discharging System
DISCHARGING SYSTEM In the event the system is stopped during winter, the water in the heat exchanger can freeze damaging the heat exchanger irreversibly. To prevent danger of freezing, three solutions are possible: 1. Full water discharge from the unit; 2. -
Page 23: 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 content of the water circulating is below the MINIMUM SYSTEM WATER CONTENT and for their consequences The minimum water content of the system allows you to limit the activations and shutdowns of the compressor. -
Page 24: Expansion Vessel Setting
Size 0150 0300 0330 0350 0550 0600 0650 0700 INTEGRATED HYDRONIC KIT: P4 Hydronic kit Expansion vessel number Expansion vessel capacity 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. -
Page 25: 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 with water whose characteristics are outside the limits in the table WATER CHARACTERISTICS and for their consequences. -
Page 26: Nrk 0150 (P1-P3)
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 27: Nrk 0150 (01-03)
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: Nrk 0300-0700 (00)
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 29: Nrk 0300-0700 (P1-P2-P3-P4)
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: Nrk 0300-0700 (01-02-03-04)
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: Position Of Hydraulic Connections
POSITION OF HYDRAULIC CONNECTIONS 29.6 in IN Water 1”1/4 9.7 in 5.5 in 43.3 in OUT Water 1”1/4 29.6 in 9.7 in 9.7 in 43.3 in 43.3 in 9.7 in 9.7 in 43.3 in 43.3 in 9.7 in 21.7 in 43.3 in 22.11 –... -
Page 32: Components As Standard (For Sizes 0300-0330-0350-0550-0600-0650-0700 )
COMPONENTS AS STANDARD (FOR SIZES 0300-0330-0350-0550-0600-0650-0700 ) 0.6 in 0.6 in 3.9 in Grooved joint USA Grooved nipple USA Reduction/adapter EU-USA Grooved joints EU 22.11 – 5167557_04... -
Page 33: Electrical Wiring
ELECTRICAL WIRING For the installation requirements refer only to the wiring diagram — The voltage must be within a tolerance of ± 10% of the nominal power supply supplied with the unit. The wiring diagram along with the manuals voltage of the machine (for unbalanced three-phase unit max 3% between the must be kept in good condition and always available for any future phases). - Page 34 Recommended cable cross section Size 0200 0280 0300 0330 0350 0500 0550 0600 0650 0700 Electric data 400V/3N/50Hz 400V/3N/50Hz 400V/3N/50Hz 400V/3N/50Hz 400V/3N/50Hz 400V/3N/50Hz Power supply 400V/3N/50Hz Compressor Number Number Recommended cable cross section Master switch (1) Power cables Phases Cables per phases mm²...
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Page 35: 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 36: 10 Maintenance
10 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 37: Routine And Extraordinary Maintenance
— It is not permitted to change the refrigerant, hydraulic or electric layout of the — The structure, electrical and electronic equipment and components must be unit, or its control logic unless expressly authorised by Aermec; divided according to their product category and material of construction and —... -
Page 38: 11 List Of The Recommended Periodic Interventions
11 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 39 22.11 – 5167557_04...
- Page 40 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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