Packaged rooftop units
2
Contents
1. Introduction .......................................................................................................................................................................................................3
2. Operation limits .................................................................................................................................................................................................3
3. Technical characteristics (EN-14511-2013) ......................................................................................................................................................4
4. Safety advice .....................................................................................................................................................................................................6
5. Unit identifi cation ...............................................................................................................................................................................................6
6. Possible types of assemblies ............................................................................................................................................................................7
7. Transport and handling .....................................................................................................................................................................................8
Transport ...........................................................................................................................................................................................................8
Discharging of the unit ......................................................................................................................................................................................8
Weight overview (kg) .........................................................................................................................................................................................9
Centre of gravity coordinates (mm) ...................................................................................................................................................................9
8. Location and assembling ................................................................................................................................................................................10
Choice of location ............................................................................................................................................................................................10
Anchorage for antivibrators .............................................................................................................................................................................11
Minimum free space for commissioning and maintenance operations ...........................................................................................................12
Sound Level ....................................................................................................................................................................................................13
9. Checking before commissioning .....................................................................................................................................................................14
Electrical connections .....................................................................................................................................................................................14
Connection of probes by the client ..................................................................................................................................................................15
Checks in the axial fans ..................................................................................................................................................................................17
Checks in the EC plug-fans .............................................................................................................................................................................18
Checks in the centrifugal fans (optional) .........................................................................................................................................................18
Air ducts connections ......................................................................................................................................................................................19
Condensate drain connection .........................................................................................................................................................................19
10. Safety elements ..............................................................................................................................................................................................20
11. Opcional equipment.........................................................................................................................................................................................22
Filters ..............................................................................................................................................................................................................22
Hot water coil ..................................................................................................................................................................................................22
Electrical heaters .............................................................................................................................................................................................23
Gas burner ......................................................................................................................................................................................................24
Pre-assembly roofcurbs ..................................................................................................................................................................................24
Hood cover ......................................................................................................................................................................................................25
Stop-drop ........................................................................................................................................................................................................25
12. Commissioning ................................................................................................................................................................................................26
Checks prior to commissioning .......................................................................................................................................................................26
Possible problems at commissioning ..............................................................................................................................................................27
Operational checks .........................................................................................................................................................................................27
13. Maintenance ....................................................................................................................................................................................................27
General recommendations ..............................................................................................................................................................................27
Access to components ....................................................................................................................................................................................28
14. Control and analysis of breakdowns................................................................................................................................................................33
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