Carrier 30HX PRO Dokumentacja Pobierz pdf (Strona 3)

Table of contents

1 - SAFETY CONSIDERATIONS ............................................................................................................................................... 4

1.1 - General................................................................................................................................................................................ 4

1.2 - Avoiding electrocution ........................................................................................................................................................ 4

2 - GENERAL DESCRIPTION .................................................................................................................................................... 4

2.1 - General................................................................................................................................................................................. 4

2.2 - Abbreviations used .............................................................................................................................................................. 4

3 - HARDWARE DESCRIPTION................................................................................................................................................ 5

3.1 - General................................................................................................................................................................................. 5

3.2 - Electronic boards ................................................................................................................................................................. 5

3.3 - The controls ........................................................................................................................................................................ 6

3.4 - User connections.................................................................................................................................................................. 8

4 - SETTING UP PRO-DIALOG PLUS CONTROL................................................................................................................. 9

4.1 - Local interface general features ........................................................................................................................................... 9

4.2 - Unit start/stop control ........................................................................................................................................................ 10

4.3 - Menus .................................................................................................................................................................................11

4.4 - General menu structure ...................................................................................................................................................... 12

4.5 - Menu tree structure ............................................................................................................................................................ 13

5 - PRO-DIALOG PLUS CONTROL OPERATION ............................................................................................................... 27

5.1 - Start/stop control................................................................................................................................................................ 27

5.2 - Heating/cooling selection .................................................................................................................................................. 27

5.3 - Evaporator water pump control ......................................................................................................................................... 28

5.4 - Condenser water pump control .......................................................................................................................................... 28

5.5 - Control interlock contact ................................................................................................................................................... 28

5.6 - Evaporator heater control .................................................................................................................................................. 28

5.7 - Control point ...................................................................................................................................................................... 28

5.8 - Demand limit ..................................................................................................................................................................... 29

5.9 - Limiting the unit running current ...................................................................................................................................... 29

5.10- Capacity control ................................................................................................................................................................ 29

5.11 - Determining the lead circuit ............................................................................................................................................ 29

5.12 - Circuit loading sequence ................................................................................................................................................. 29

5.13 - Compressor start-up sequence in one circuit ................................................................................................................... 29

5.14 - EXV control ..................................................................................................................................................................... 29

5.15 - Motor cooling valve control ............................................................................................................................................ 30

5.16 - Head pressure control on air-cooled units ....................................................................................................................... 30

5.17 - Head pressure control on water-cooled units................................................................................................................... 30

5.18 - Head pressure setpoint selection...................................................................................................................................... 30

5.19 - High pressure load shedding function ............................................................................................................................. 30

5.20 - High current load shedding function ............................................................................................................................... 30

5.21 - Start-up procedure - prelubrication.................................................................................................................................. 30

5.22 - Master/slave assembly ..................................................................................................................................................... 30

5.23 - Controlling Pro-Dialog Plus units with a System Manager ............................................................................................ 31

5.24 - Optional heat reclaim module.......................................................................................................................................... 31

6 - DIAGNOSTICS - TROUBLESHOOTING.......................................................................................................................... 32

6.1 - General............................................................................................................................................................................... 32

6.2 - Displaying alarms .............................................................................................................................................................. 32

6.3 - Resetting alarms ................................................................................................................................................................ 32

6.4 - Alarm codes ....................................................................................................................................................................... 33

1 2 3 4 5 6 7 8 ... 35 36

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Carrier 30HX PRO Dokumentacja Strona 3

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