Table Of Contents - Carrier 50EN 415 Installation, Operation And Maintenance Instructions

Packaged rooftop units and separated gas module option

Table of Contents

CONTENTS

1 - INTRODUCTION .................................................................................................................................................. 3

2 - UNIT IDENTIFICATION ....................................................................................................................................... 3

3 - POSSIBLE TYPES OF ASSEMBLIES ................................................................................................................. 4

4 - SAFETY ADVISE ................................................................................................................................................. 5

5 - OPERATION LIMITS............................................................................................................................................ 5

6 - TRANSPORT AND HANDLING ........................................................................................................................... 6

6.1 Centres of gravity ......................................................................................................................................... 7

6.2 Weight overview (kg) .................................................................................................................................... 8

7 - POSITIONING AND INSTALLATION .................................................................................................................. 9

7.1 Choice of location ......................................................................................................................................... 9

7.2 Anchorage for antivibrators ........................................................................................................................ 10

7.3 Recommended service clearance .............................................................................................................. 12

8 - ELECTRICAL CONNECTION ............................................................................................................................ 13

8.1 Installation norms ....................................................................................................................................... 13

8.2 Power supply .............................................................................................................................................. 13

8.3 Wire sizing .................................................................................................................................................. 13

8.4. CARRIERrtc electronic control .................................................................................................................. 13

8.5 Electric panel .............................................................................................................................................. 14

8.6 Location of sensors (2 circuits) ................................................................................................................... 15

9 - FANS AND AIR DUCTS ..................................................................................................................................... 17

9.1 Checks in the axial fans .............................................................................................................................. 17

9.2 Checks in the EC plug-fans ......................................................................................................................... 17

9.3. Checks in the centrifugal fans (optional) .................................................................................................... 17

9.4 Air ducts connections ................................................................................................................................. 18

10 - CONDENSATE DRAIN .................................................................................................................................... 19

11 - SAFETY ELEMENTS ....................................................................................................................................... 20

12 - FACTORY OPTIONS AND ACCESSORIES .................................................................................................... 22

12.1 Filters ....................................................................................................................................................... 22

12.2 Hot water coil ........................................................................................................................................... 22

12.3 Electrical heaters ...................................................................................................................................... 23

12.4 Dampers hoods ........................................................................................................................................ 24

12.5 Stop-drop ................................................................................................................................................. 24

12.6 Rotary heat exchanger ............................................................................................................................. 25

12.7 Gas burner. ............................................................................................................................................... 26

12.8 Pre-assembly roofcurb ............................................................................................................................. 26

13 - COMMISSIONING ........................................................................................................................................... 27

13.1 Checks prior to commissioning ................................................................................................................ 27

13.2 Possible problems at commissioning ....................................................................................................... 28

13.3 Operational checks .................................................................................................................................. 28

14 - MAINTENANCE ............................................................................................................................................... 29

14.1 General recommendations ....................................................................................................................... 29

14.2 Servicing .................................................................................................................................................. 30

14.3 access to the main components ............................................................................................................... 30

15 - CONTROL AND ANALYSIS OF BREAKDOWNS ........................................................................................... 33

16 - FINAL SHUTDOWN ........................................................................................................................................ 34

16.1 Shutting down .......................................................................................................................................... 34

16.2 Recommendations for disassembly ......................................................................................................... 34

16.3 Fluids to be recovered for treatment ......................................................................................................... 34

16.4 Materials to be recovered for recycling ..................................................................................................... 34

16.5 Waste electrical and electronic equipment (WEEE) ................................................................................. 34