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
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