AERMEC NRGI-H Installation Manual
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AERMEC NRGI-H Installation Manual

Reversible air/water heat pump
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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
NRGI 151H-602H
Installation Manual
50Hz
■
REVERSIBLE AIR/WATER HEAT PUMP
w w w . a e r m e c . c o m

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  • Page 1 2 1 . 0 1 – 5 7 2 3 6 1 1 _ 0 1 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 NRGI 151H-602H Installation Manual 50Hz...
  • 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 Legnano (MI) - Italy. Dichiariamo inoltre che, al momento dell'immissione sul mercato Europeo di tale apparecchiatura precaricata da parte di Aermec S.p.A (che importa o produce nell'Unione), gli idrofluorocarburi, in essa contenuti, sono considerati nel sistema di quote dell'Unione di cui al Capo IV del regolamento UE n.517/2014 in quanto sono stati immessi sul mercato da un produttore o importatore di idrofluorocarburi cui si applica l'articolo 15 del regolamento UE n.517/2014.
  • Page 6 1131 CEC via Pisacane 46 Legnano (MI) - Italie. Nous déclarons également que, lors de la mise sur le marché européen de cet équipement préchargé par Aermec SpA (qui importe ou produit dans l'Union), les Nous déclarons également que, lors de la mise sur le marché européen de cet équipement préchargé par Aermec SpA (qui importe ou produit dans l'Union), les hydrofluorocarbures qu'il contient sont pris en compte dans le système de quotas de l'Union visé...

  • Page 7: Table Of Contents

    TABLE OF CONTENTS Minimum system water content............ p. 28 1. Introduction ..................p. 8 Expansion vessel setting ..............p. 28 Warnings regarding residual risks and preventive measures ....................p. 8 Main hydraulic circuits ..............p. 29 2. General description ................ p. 10 6. Electrical wiring ................p. 34 General safety recommendation ........... p. 10 Electric data ...................

  • Page 8: Introduction

    Use a platform, or suitable scaffolding to work at higher levels. — 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 9 — Before removing elements along the pressurised water circuits, intercept the — An accidental release of refrigerant may cause risk of suffocation due to a lack of concerned section of pipe and release the fluid gradually until the pressure is oxygen: install the machine in a well ventilated environment in accordance with balanced with the atmospheric pressure;...

  • Page 10: General Description

    RISK of fire in the presence of a source of ignition: — Aermec is not responsible of the refrigerating system safety if the periodical mantainance, calibration and substitution of the leak detectors is not done cor- —...

  • Page 11: Alarm

    — In the case of a pressure alarm, the refrigerant system is turned off by pressure WARNING: The machine can still be turned on (see the wiring diagram) switches (see the wiring diagram). — The security system of the refrigerating system may be electrically connected to the plant safety system (see electrical diagram);...

  • Page 12: Unit Description

    It is also possible to manage the machine using voltage-free contacts (refer to the — Water filter; wiring diagram supplied with the machine). the safety devices must be replaced by the AERMEC S.p.A. Technical Service, only using original components, refer to the spare parts cat- SAFETY AND ADJUSTMENT DEVICES alogue.
  • Page 13 Version A 352-382-502 - Version E 151-201-281-302-332-552-602 °C 45,7 45,3 7 8 10 °C Water produced (°C) Outdoor air temperature (°C) Standard mode Version E 352-382-502 °C 44,7 44,3 7 8 10 °C Water produced (°C) Outdoor air temperature (°C) Standard mode 21.01 –...
  • Page 14 Operating limits - heating mode Versions A/E 151 °C 7 10 °C Outdoor air temperature (°C) A. Water produced (°C) 1. Standard mode Versions A/E 201-302-332-382-502-552-602 °C 7 10 °C Outdoor air temperature (°C) A. Water produced (°C) 1. Standard mode 21.01 –...

  • Page 15: Refrigerant Circuit

    Versions A/E 281-352 °C 7 10 °C Outdoor air temperature (°C) A. Water produced (°C) 1. Standard mode REFRIGERANT CIRCUIT NRGI H 151-201-281 Finned coil One-way valve Liquid temperature probe (coil heat exchang- Filter drier Sight glass Liquid temperature probe Electronic thermostatic expansion valve Liquid accumulator Water temperature sensor (IN)
  • Page 16 NRGI H 302-332-352 Finned coil One-way valve Liquid temperature probe (coil heat exchang- Filter drier Sight glass Liquid temperature probe Electronic thermostatic expansion valve Liquid accumulator Water temperature sensor (IN) Water temperature sensor (OUT) Plate heat exchanger Liquid separator Inlet gas temperature probes Discharge temperature sensor Compressor Low pressure transducer...

  • Page 17: Refrigerant Circuit With Desuperheater

    REFRIGERANT CIRCUIT WITH DESUPERHEATER NRGI HD 151-201-281 Finned coil One-way valve Liquid temperature probe (coil heat exchang- Filter drier Sight glass Liquid temperature probe Electronic thermostatic expansion valve Liquid accumulator Water temperature sensor (IN) Water temperature sensor (OUT) Plate heat exchanger Liquid separator Inlet gas temperature probes Discharge temperature sensor...
  • Page 18 NRGI HD 382-502-552-602 Finned coil One-way valve Liquid temperature probe (coil heat exchang- Filter drier Sight glass Liquid temperature probe Electronic thermostatic expansion valve Liquid accumulator Water temperature sensor (IN) Water temperature sensor (OUT) Plate heat exchanger Liquid separator Inlet gas temperature probes Discharge temperature sensor Compressor Low pressure transducer...

  • Page 19: Installation

    LIFTING WITH A HOIST OR CRANE Product identification Aermec products are identifiable by the packaging label that shows the product Before lifting the unit, place protections between the belts (or ropes and chains) identification data, and by the rating plate that shows the performance and iden- and the framework to prevent damage to the structure.

  • Page 20: Handling With A Forklift

    HANDLING WITH A FORKLIFT The unit is loaded with slightly flammable gas. Before performing any work on it, we recommend using appropriate devices to check for leaks. The forks of the forklift must pass completely below the load. During descent, the load must be lowered in reverse, with the pillar inclined to the rear, during ascent The minimum and maximum unit storage temperature depends on the the load must be lifted in forward gear, with the pillar inclined to the rear.

  • Page 21: Minimum Technical Spaces

    The anti-vibration sup- maintenance to be performed, the vertical air exhaust must not be obstructed. ports must be fixed to the unit BEFORE being earthed. AERMEC is not responsi- ble for selecting the capacity of the anti-vibration supports;...

  • Page 22: Weight Distribution And Centres Of Gravity

    WEIGHT DISTRIBUTION AND CENTRES OF GRAVITY LAYOUT 1 LAYOUT 2 bottom view bottom view LAYOUT 3 LAYOUT 4 bottom view bottom view ■ WARNING: The term "packaging" means pallet + packaging. Weight distribution and centres of gravity when empty Size INTEGRATED HYDRONIC KIT: 00 Weights Layout...
  • Page 23 Size INTEGRATED HYDRONIC KIT: 02, 04, 06, 08 Weights Layout type Weight empty + packaging 1031 1031 1120 1165 1166 1243 1250 1272 1476 Centre of gravity (empty) 1029 1288 1288 1225 1240 1239 1440 1439 1419 1770 Weight distribution in % on the supports (empty) INTEGRATED HYDRONIC KIT: 09, I1, I2, I3, I4, K1, K2, K3, K4, W1, W2, W3, W4 Weights Layout...
  • Page 24 Size INTEGRATED HYDRONIC KIT: 01, 03, 05, 07 Weights Layout type Weight functioning 1163 1239 1239 1330 1374 1375 1551 1560 1582 1785 Centre of gravity (during operation) 1043 1351 1351 1294 1304 1303 1544 1543 1526 1955 Weight distribution in % on the supports (during operation) INTEGRATED HYDRONIC KIT: 02, 04, 06, 08 Weights Layout...

  • Page 25: Weights

    WEIGHTS Weight of hydronic kit with inverter Weights hydronic kits I1 compared with P1 I2 compared with P2 I3 compared with P3 I4 compared with P4 K1 compared with 01 K2 compared with 02 K3 compared with 03 K4 compared with 04 W1 compared with 01 W2 compared with 02 W3 compared with 03...

  • Page 26: Hydraulic Connections

    Aermec shall not be liable for any damage deriving from the use of "hard" water waste, rust or any other impurity from the pipes. These substances could that is not treated or that was improperly treated.
  • Page 27 However, always refer to the glycol supplier documentation to check its recom- mended concentration. IT IS FORBIDDEN! to insert glycol in the hydraulic circuit near the pump intake: — A high concentration of glycol and additives that exceeds the permissible limits could cause the blockage of the pump;...

  • Page 28: Minimum System Water Content

    MINIMUM SYSTEM WATER CONTENT For correct unit operation, there must be a suitable amount of water in the system. To calculate it, use the formula: Unit rated cooling capacity (kW) x table value (l/kW) A sufficient quantity of water not only ensures machine stability, but also helps = Minimum system content (l).

  • Page 29: Main Hydraulic Circuits

    MAIN HYDRAULIC CIRCUITS Without hydronic kit OUTDOOR INDOOR Components as standard Pressure gauge Plate heat exchanger Flow switch Water temperature sensors (IN/OUT) Drain valve Antifreeze electric heater Components not provided and responsibility of the installer Water filter Air drain valve (MUST BE INSTALLED IN A WELL VENTILATED LOCATION Air drain valve OUTSIDE) Pressure relief valve...
  • Page 30 With pumps P1-P3-I1-I3 OUTDOOR INDOOR Components as standard Drain valve Plate heat exchanger Flow shut-off valves Water temperature sensors (IN/OUT) Pressure relief valve Antifreeze electric heater Pressure gauge Water filter Flow switch Components not provided and responsibility of the installer Air drain valve Air drain valve (MUST BE INSTALLED IN A WELL VENTILATED LOCATION Pump...
  • Page 31 P2-P4-I2-I4 OUTDOOR INDOOR Components as standard Flow shut-off valves Plate heat exchanger Expansion vessel Water temperature sensors (IN/OUT) Pressure relief valve Antifreeze electric heater Pressure gauge Water filter Flow switch Components not provided and responsibility of the installer Air drain valve Air drain valve (MUST BE INSTALLED IN A WELL VENTILATED LOCATION One-way valve Pump...
  • Page 32 With pumps and storage tank 01-03-05-07-K1-K3 OUTDOOR INDOOR Components as standard Expansion vessel Plate heat exchanger Storage tank Water temperature sensors (IN/OUT) Pressure relief valve Antifreeze electric heater Pressure gauge Water filter Flow switch Components not provided and responsibility of the installer Air drain valve Air drain valve (MUST BE INSTALLED IN A WELL VENTILATED LOCATION Pump...
  • Page 33 02-04-06-08-K2-K4 OUTDOOR INDOOR Components as standard Flow shut-off valves Plate heat exchanger Expansion vessel Water temperature sensors (IN/OUT) Storage tank Antifreeze electric heater Pressure relief valve Water filter Pressure gauge Air drain valve Flow switch Components not provided and responsibility of the installer One-way valve Pump Air drain valve (MUST BE INSTALLED IN A WELL VENTILATED LOCATION...

  • Page 34: Electrical Wiring

    ELECTRICAL WIRING For the installation requirements refer only to the wiring diagram — The use of an omnipolar magnet circuit breaker switch, in compliance with the supplied with the unit. The wiring diagram along with the manuals current Standards (contact opening at least 3 mm), with suitable cut-off power must be kept in good condition and always available for any future and differential protection on the basis of the electric data table shown below, servicing on the unit.
  • Page 35 Single hydronic kits’ electric data Size Pumps 00,09 01,02,05,06,I1, I2,K1,K2,P1,P2, 0,78 1,40 1,40 1,40 1,40 1,40 1,40 1,40 1,40 1,93 Maximum input power W1,W2 03,04,07,08,I3, I4,K3,K4,P3,P4, 1,25 2,56 2,56 2,56 2,56 2,56 2,56 2,56 2,56 3,40 W3,W4 00,09 01,02,05,06,I1, I2,K1,K2,P1,P2, 1,58 2,51 2,51...

  • Page 36: Electric Power Connection To Te Electrical Mains

    ELECTRIC POWER CONNECTION TO TE ELECTRICAL MAINS All electrical operations: must be carried out by personnel who fulfil the — Open the external covering panels (if present) necessary legal requirements and who have been trained and informed on — Make sure that the switch is at “OFF” before opening the electric control board the risks correlated with those operations.
  • Page 37 — Ensure that all protections removed for the electric connection have been re- — Identify the clamps for the electric connection and always refer exclusively to stored before powering the unit electrically; the wiring diagram supplied with the unit; — Close all the opened panels; —...

  • Page 38: Commisioning - Warnings

    COMMISIONING - WARNINGS START-UP • Check that the circulation pump(s) are working, and that the water flow rate is sufficient to close the flow switch contact if installed, • . We recommend installing one always upstream of every heat exchanger. Operations to be performed with no voltage present —...

  • Page 39: Maintenance

    MAINTENANCE Any cleaning, inspection, control or routine or extraordinary main- — If the unit has components such as integrated inverters, disconnect the power tenance intervention: must be carried out by expert technical personnel supply and wait at least 15 minutes before accessing it for maintenance opera- who are authorised and qualified to perform the activities indicated above.

  • Page 40: 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; WARNING Before removing elements along the under pressure hy- — The machine must be loaded with the type and quantity of refrigerant indicated dronic circuits, shut-off the pipe section involved and gradually drain on the identification label.

  • Page 41: 10 List Of The Recommended Periodic Interventions

    For the device maintenance policies and the correct execution of the calibration procedures, please refer to the leak detector user manual available on the manu- facturer’s website or contact AERMEC. Calibration is to be performed after 6 months after starting the system, then every 12 months. Alternatively, a pre-calibrated sensor can be ordered as a spare and replaced according to the instructions in the leak detector manual.
  • Page 42 21.01 – 5723611_01...
  • Page 43 21.01 – 5723611_01...
  • Page 44 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 .

This manual is also suitable for:

Nrgi 151hNrgi 602h

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