AERMEC NRK 0150-0700 User manual

22.11 – 5167557_04
Translation of Original instructions
www.aermec.com
Installation Manual
EN
NRK 0150-0700
 REVERSIBLE AIR/WATER HEAT PUMP
Cooling capacity 8.8 ÷ 39.7 ton
Heating capacity 116,866 ÷ 593,235 BTU/h

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.
WARNING: personnel who possess the necessary skills according to state, national
and local regulations in force must choose and size the machine
Aermec Aermec, always attentive to the continuous changes in the market and
its regulations, reserves the right to make all the changes deemed necessary for
improving the product, including technical data.
Thank you again.
Aermec S.p.A.

4 22.11  5167557_04
TABLE OF CONTENTS
1. General warnings...................................................................... p.6
Introduction .............................................................................................p.6
General warnings ...................................................................................p.6
Essential safety rules .............................................................................p.6
Precautions concerning the hydraulic circuit ..............................p.7
Precautions concerning the electrical circuit...............................p.7
Precautions concerning the cooling circuit..................................p.7
Preventions...............................................................................................p.7
Warnings ...................................................................................................p.7
2. General information................................................................. p.8
Unit description......................................................................................p.8
General data.............................................................................................p.8
3. Operating range ........................................................................ p.9
Operating cooling mode range ........................................................p.9
Operating heating mode range........................................................p.9
4. Refrigerant circuits..................................................................p.10
Refrigerant diagram NRK 0300-0350 - in cooling mode....... p.10
Refrigerant diagram NRK 0300-0350 - in heating mode....... p.11
Refrigerant diagram NRK 0600-0700 - in cooling mode....... p.12
Refrigerant diagram NRK 0600-0700 - in heating mode....... p.13
5. Pre-installation.........................................................................p.14
Receiving the product....................................................................... p.14
Packaging handling and removal ................................................. p.14
Handling with a forklift (NRK0150) ............................................... p.14
Lifting with a hoist or crane (NRK0300-0350-0550-0600-
0650-0700)............................................................................................. p.14
Storage.................................................................................................... p.15
Positioning............................................................................................. p.15
Place of installation ............................................................................ p.15
6. Minimum technical spaces..................................................p.16
Single installation................................................................................ p.16
Multiple installation ........................................................................... p.16
7. Dimensions................................................................................p.17
8. Weight distribution and anti-vibration mounts
position.......................................................................................p.18
Position of the vibration dampers ................................................ p.20
9. Hydraulic connections ..........................................................p.21
Connections.......................................................................................... p.21
Water characteristics.......................................................................... p.21
Discharging system ............................................................................ p.22
Anti-freeze protection ....................................................................... p.22
10. System water content............................................................p.23
Minimum system water content ................................................... p.23
Maximum system water content .................................................. p.23
11. Expansion vessel setting ......................................................p.24
12. Main hydraulic circuits ..........................................................p.25
NRK 0150 (00) ....................................................................................... p.25
Water characteristics.......................................................................... p.25
NRK 0150 (P1-P3)................................................................................. p.26
Water characteristics.......................................................................... p.26
NRK 0150 (01-03)................................................................................. p.27
Water characteristics.......................................................................... p.27
NRK 0300-0700 (00)............................................................................ p.28
Water characteristics.......................................................................... p.28
NRK 0300-0700 (P1-P2-P3-P4) ........................................................ p.29
Water characteristics.......................................................................... p.29
NRK 0300-0700 (01-02-03-04)......................................................... p.30
Water characteristics.......................................................................... p.30
13. Position of hydraulic connections.....................................p.31
Components as standard (for sizes 0300-0330-0350-0550-
0600-0650-0700 ) ................................................................................ p.32
14. Electrical wiring .......................................................................p.33
Electric data........................................................................................... p.33
15. Commisioning - Warnings....................................................p.35
Start-up................................................................................................... p.35
16. Maintenance.............................................................................p.36
Precautions and preventive measures to observe during
maintenance......................................................................................... p.36
Routine and extraordinary maintenance ................................... p.37
Decommissioning and disposing of the machine
components.......................................................................................... p.37
17. List of the recommended periodic interventions .......p.38
General interventions........................................................................ p.38
Interventions on the circuit............................................................. p.38

All specications are subject to change without prior notice. Although every eort has been made to ensure accuracy, Aermec shall not be held liable for any errors or
omissions.
This mark indicates that the disposal of this product must strictly follow the national and local laws in force.
COMPANY CERTIFICATIONS
SAFETY CERTIFICATIONS