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

Packaged rooftop units
Table of Contents

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CONTENT
1 - INTRODUCTION ............................................................................................................................................................................ 3
2 - SAFETY ADVISE .......................................................................................................................................................................... 3
2.1 - General safety advise.................................................................................................................................................................. 3
2.2 - Safety standards for refrigerant ................................................................................................................................................... 4
3 - POSSIBLE TYPES OF ASSEMBLIES .......................................................................................................................................... 5
4 - TRANSPORT ................................................................................................................................................................................. 6
4.1 - Transport ..................................................................................................................................................................................... 6
4.2 - Receipt of goods ......................................................................................................................................................................... 6
4.3 - Unit identifi cation ......................................................................................................................................................................... 6
5 - HANDLING .................................................................................................................................................................................... 6
6 - OPERATION LIMITS ................................................................................................................................................................... 11
7 - POSITIONING AND INSTALLATION .......................................................................................................................................... 11
7.1 - Storage ...................................................................................................................................................................................... 11
7.2 - Choice of location ...................................................................................................................................................................... 11
7.3 - Antivibrators assembly (silent-blocks) ....................................................................................................................................... 12
7.4 - Pre-assembly roofcurb (optional) .............................................................................................................................................. 13
7.5 - Centres of gravity, weight and reactions in the supports ........................................................................................................... 18
7.6 - Recommended service clearance ............................................................................................................................................. 20
8 - ELECTRICAL CONNECTION ..................................................................................................................................................... 22
8.1 - Installation norms ...................................................................................................................................................................... 22
8.2 - Power supply ............................................................................................................................................................................. 22
8.3 - Wire sizing ................................................................................................................................................................................. 22
8.4 - Electrical cabinet ....................................................................................................................................................................... 22
8.5 - "50FC" electronic control ........................................................................................................................................................... 24
8.6 - Location of sensors on the machine.......................................................................................................................................... 24
8.7 - Sensors connection by the costumer ........................................................................................................................................ 24
9 - FANS AND AIR DUCTS ............................................................................................................................................................... 27
9.1 - Checks in the axial fans ............................................................................................................................................................................27
9.2 - Checks in the EC plug-fans ....................................................................................................................................................... 27
9.3 - Checks in the centrifugal fans (optional) .................................................................................................................................... 27
9.4 - Air ducts connections. ............................................................................................................................................................... 28
10 - CONDENSATE DRAIN .............................................................................................................................................................. 29
11 - SAFETY ELEMENTS ................................................................................................................................................................. 30
12 - FACTORY OPTIONS AND ACCESSORIES ............................................................................................................................. 32
12.1 - Dampers hoods ....................................................................................................................................................................... 32
12.2 - Droplet eliminator at the fresh air intake.................................................................................................................................. 32
12.3 - Heat recovery wheel module (BW assembly) ......................................................................................................................... 33
12.4 - Air fi lters................................................................................................................................................................................... 34
12.5 - Heat recovery coil.................................................................................................................................................................... 35
12.6 - Stop-drop in the indoor coil ..................................................................................................................................................... 36
12.7 - Electrical heaters ..................................................................................................................................................................... 36
12.8 - Hot water coil........................................................................................................................................................................... 37
12.9 - Warm air heater module with gas burner ................................................................................................................................ 38
12.10 - Cooling recovery circuit (BA and BB assemblies) .................................................................................................................. 48
12.11 - Zoning of the air fl ow ............................................................................................................................................................. 49
13 - COMMISSIONING ..................................................................................................................................................................... 50
13.1 - Checks prior to commissioning ............................................................................................................................................... 50
13.2 - Possible problems at commissioning ...................................................................................................................................... 51
13.3 - Operational checks.................................................................................................................................................................. 51
14 - MAINTENANCE ......................................................................................................................................................................... 52
14.1 - General recommendations ...................................................................................................................................................... 52
14.2 - Servicing.................................................................................................................................................................................. 52
14.3 - Access to the main components.............................................................................................................................................. 53
15 - CONTROL AND ANALYSIS OF BREAKDOWNS ..................................................................................................................... 60
16 - FINAL SHUTDOWN ................................................................................................................................................................... 61
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