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22.11 – 5167557_03
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
Summary of Contents for NRK 0150
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