Table Of Contents - Carrier 50EN Installation, Operation And Maintenance Instructions

Packaged rooftop cooling only / heat pumps and separated gas module option

Table of Contents

Packaged rooftop units

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