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Declaration of conformity ..............................................4
1.
Warnings on the documentation ................................5
2.
Essential safety rules ......................................................5
3.
Product identification ....................................................5
4.
Unit description .................................................................6
4. 1
Available models ....................................................................6
4.2
Available set-ups ....................................................................6
5.
Description of components ............................................. 7
5. 1
Cooling circuit...........................................................................8
5.2
Frame .........................................................................................8
5.3
Safety and control components ......................................8
5.4
Electrical components ..........................................................8
5.5
Electronic regulation ............................................................8
6.
Accessories ........................................................................9
7.
Technical data ................................................................10
8.
Selection criteria .......................................................... 12
8. 1
Operating limits .................................................................... 12
8.2
(valid for the version 2802 only)................................... 12
8.3
Design data DIR 97/23/EC .......................................... 12
9.
Correction factors ....................................................... 13
9. 1
Cooling capacity and input power ................................. 13
9.2
Heating capacity and input power ................................ 14
9.3
For ¨t different from the rated value ......................... 14
9.4
Fouling factors ..................................................................... 14
9.5
Heating capacity with total recovery ......................... 15
9.6
Pressure drop total heat recovery ............................ 15
10.
Ethylene glycol solution ...............................................16
10. 1
Cooling capacity and input power .................................16
11.
Pressure drops ...............................................................18
11. 1
Condenser pressure drops.............................................18
11.2
Evaporator pressure drops ............................................18
12.
Refrigerant lines .............................................................20
13.
Sound data ...................................................................... 21
14.
Safety and check parameter setting .....................22
15.
Dimensions .......................................................................23
16.
Weights and centres of mass .................................24
17.
Transport and handling ..............................................26
18.
Safety warnings and regulations ............................ 27
18. 1
Safety warnings .................................................................... 27
19.
Installation ....................................................................... 27
19. 1
Selection of the installation place ................................ 27
19. 1 . 1 Minimum technical spaces ............................................ 27
19.2
Positioning ............................................................................. 27
20.
Hydraulic connections .................................................28
20. 1
WSA internal hydraulic circuit .......................................28
20.2 WSA external hydraulic circuit ......................................28
21.
Position of hydraulic connections ...........................29
22.
Electrical wiring ..........................................................232
22. 1
Electrical data ..................................................................... 29
23.
Start-up ..............................................................................33
23. 1
Preparation for commissioning ....................................33
power supply .........................................................................................33
supply .....................................................................................................33
23. 1 .3 Hydraulic circuit checks....................................................33
23.2 Commissioning ....................................................................33
23.2. 1 Cooling circuit checks ........................................................33
23.2.2 Overheating ...........................................................................33
23.2.3 Under-cooling .......................................................................33
23.2.4 Delivery temperature .......................................................33
23.3 Draining the system ..........................................................33
24.
Maintenance ...................................................................34
24. 1
Warnings on maintenance ..............................................34
24. 1 . 1 Hydraulic circuit ..................................................................34
24. 1 .2 Electric circuit .......................................................................34
24. 1 .3 Cooling circuit ......................................................................34
24. 1 .4 Mechanical controls ...........................................................34
24.2
Extraordinary maintenance ............................................34
25.
Disposal .............................................................................35
25. 1
Disconnecting the unit ......................................................35
25.2 Dismantling and disposal .................................................35
26.
Incorrect use ..................................................................35
26. 1
Important safety information ........................................35
To install the unit, please observe the safety warnings
included in these instructions
Danger: moving parts
Danger: high temperature
Danger: power supply
Danger: cut off power supply
General danger
i
Useful information and warnings
3
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