AERMEC NRP 0800 User manual

22.11 – 5806712_07
Translation of Original instructions
www.aermec.com
Installation Manual
EN
 AIRWATER MULTIPURPOSE
Cooling capacity 52 ÷ 120 ton
Heating capacity 738,387 ÷ 1,689,351 BTU/h
NRP 0800-1800

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  5806712_07
TABLE OF CONTENTS
1. Product description ................................................................. p.6
System types............................................................................................p.6
2. General warnings...................................................................... p.7
Introduction.............................................................................................p.7
General warnings...................................................................................p.7
Essential safety rules .............................................................................p.7
Precautions concerning the hydraulic circuit ..............................p.8
Precautions concerning the electrical circuit...............................p.8
Precautions concerning the cooling circuit..................................p.8
Preventions...............................................................................................p.8
Warnings ...................................................................................................p.8
3. Operating range........................................................................ p.9
Operating cooling mode range........................................................p.9
Operating heating mode range........................................................p.9
4. Pre-installation.........................................................................p.10
Receiving the product....................................................................... p.10
Packaging handling and removal ................................................. p.10
Lifting with a hoist or crane............................................................. p.10
Storage.................................................................................................... p.10
Positioning............................................................................................. p.11
Place of installation ............................................................................ p.11
5. Minimum technical spaces..................................................p.12
Single installation................................................................................ p.12
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............................................................................ p.20
Anti-freeze protection ....................................................................... p.21
10. Position of hydraulic connections.....................................p.22
11. System water content............................................................p.24
Minimum system water content.................................................... p.24
Maximum system water content................................................... p.24
Expansion vessel setting .................................................................. p.25
12. Main hydraulic circuits ..........................................................p.26
2-pipe system ...................................................................................... p.26
4-pipe system ...................................................................................... p.29
13. Main cooling refrigerant layouts .......................................p.32
Main cooling refrigerant layouts for 2-pipe system................ p.32
Main cooling refrigerant layouts for 4-pipe system................ p.34
14. Electrical wiring .......................................................................p.36
Power connection............................................................................... p.36
Electric data........................................................................................... p.37
Power supply 230V............................................................................. p.38
Power supply 460V............................................................................. p.38
Power supply 575V............................................................................. p.39
Power supply 208V............................................................................. p.39
15. Commisioning - Warnings....................................................p.40
Start-up................................................................................................... p.40
16. Maintenance.............................................................................p.41
Precautions and preventive measures to observe during
maintenance......................................................................................... p.41
Routine and extraordinary maintenance ................................... p.42
Decommissioning and disposing of the machine
components.......................................................................................... p.42
17. List of the recommended periodic interventions .......p.43
General interventions........................................................................ p.43
Interventions on the circuit............................................................. p.43

COMPANY CERTIFICATIONS
SAFETY CERTIFICATIONS
This mark indicates that the disposal of this product must strictly follow the national and local laws in force.
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.