1. General warnings .............................................................................. 4
1.1. Preserva on of the documenta on .................................................. 4
1.2. Installa on ........................................................................................ 4
1.3. Warranty ........................................................................................... 4
1.4. Warnings regarding safety and installa on standards ..................... 4
2. Product iden fi ca on ....................................................................... 4
3. Presenta on ...................................................................................... 5
3.1. For 2-pipe systems ............................................................................ 5
3.2. For 4-pipe systems ............................................................................ 5
4. Ceck list ............................................................................................. 5
4.1. Descrip on and choice of the unit .................................................... 6
5. Basic opera ng layout for 2-pipe system .......................................... 7
6. Basic opera ng layout for 4-pipe system .......................................... 9
7. Descrip on of components ............................................................. 11
7.1. Structure ......................................................................................... 11
7.2. Cooling circuit ................................................................................. 11
7.3. Water features ................................................................................ 11
7.4. Standard hydraulic circuit ............................................................... 11
7.5. Safety and control components ...................................................... 11
7.6. Electric control and power board.................................................... 11
8. Accessories...................................................................................... 12
8.1. Mechanical accessories ................................................................... 12
8.2. Electric accessories ......................................................................... 12
9. Technical data ................................................................................. 13
10. Opera onal limits ........................................................................... 18
10.1. Cooling mode .................................................................................. 18
10.2. Hea ng mode ................................................................................. 18
11.
Correc ve factors for data diff erent than nominal in cooling mode ...
19
11.1. Cooling capacity and input power .................................................. 19
11.2. For ∆t diff erent from the rated value .............................................. 19
11.3. Fouling factors ................................................................................. 19
11.4. Hea ng capacity and input power .................................................. 20
11.5. For ∆t diff erent from the rated value .............................................. 20
11.6. Fouling factors ................................................................................. 20
11.7. Correc ve coeffi cients of recovered hea ng capacity .................... 21
11.8. For ∆t diff erent from the rated value .............................................. 21
11.9. Fouling factors ................................................................................. 21
12. Pressure drop .................................................................................. 22
13. Useful sta c pressures 2|4 pipe system ......................................... 24
13.1. Low sta c pressure pumps in cooling mode - system side ............. 24
13.2. High sta c pressure pumps in cooling mode - system side ............. 24
13.3. Low sta c pressure pumps in cooling mode - recovery mode ........ 25
13.4. High sta c pressure pumps in cooling mode - recovery mode ....... 25
14. Expansion vessel calibra on ........................................................... 26
14.1. Expansion vessel calibra on .......................................................... 26
15. Minimum water content ................................................................. 26
16. Ethylene glycol ................................................................................ 27
17. Propylenic glycol ............................................................................. 27
18. Sound data ...................................................................................... 28
19. Control and safety parameters calibra on ...................................... 29
20. Part load .......................................................................................... 30
21. Thermomagne c ............................................................................. 31
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