Lennox CLIMATIC 50 User Manual

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CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM
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0906-E
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TABLE OF CONTENTS
Page
INTRODUCTION........................................................................................................... 2
WIRING CONNECTIONS AND COMMUNICATION
Warning.................................................................................................................................3
CLIMATIC™ 50 Controller ....................................................................................................3
Climatic™ 50 controller – option DC50 remote connection...................................................4
Communication BMS ............................................................................................................5
Communication Master/Slave ...............................................................................................7
STANDARD CONTROL FEATURES
Scheduling ............................................................................................................................9
Anticipation – Heat pump mode only ...................................................................................10
Change over – Reversible units ...........................................................................................11
Evaporator pumps control ....................................................................................................12
Thermostat – Set point calculate..........................................................................................14
Thermostat – Control principle .............................................................................................15
Compressors control ............................................................................................................17
High pressure unloading ......................................................................................................18
Defrost – Heat pump ............................................................................................................19
Driving the electronic expansion valve.................................................................................21
Condensing fans control ......................................................................................................23
Customized Input / Output (BE.50) ......................................................................................25
Free-cooling .........................................................................................................................26
Energy recovery...................................................................................................................27
FAULT CODES
GENERAL FAULTS
Chilled water temperature, out of range.................................................................29
Insufficient water flow rate......................................................................................30
Communication with the extension board .............................................................31
Communication with the slave board .....................................................................32
REFRIGERATION CIRCUITS FAULTS
Low pressure cut out..............................................................................................33
Evaporator freezing protection...............................................................................34
Faults probes and sensors.....................................................................................35
COMPRESSOR FAULTS
Compressor electrical protection............................................................................36
High pressure too high...........................................................................................37
MISCELLAENOUS FAULTS
Insufficient flow rate provided by the pump............................................................38
Fans circuit breakers open.....................................................................................39
Pump circuit breaker open.....................................................................................40
CLIMATIC™50 Input/ Output MAPPING ................................................................... 41
CONTROL INTERFACE AND DISPLAYS .................................................................. 45
DC 50 CONFORT DISPLAY........................................................................................ 46
DS 50 SERVICE DISPLAY.......................................................................................... 56
DS 50 MENU TREE ECOLOGIC / ECOMAX RANGE ................................................ 66
FAULTS CODES ......................................................................................................... 78
BMS Points ................................................................................................................. 80
ModBus..................................................................................................................80
LonWorks...............................................................................................................84

Lennox CLIMATIC 50 Specifications

General

Brand	Lennox
Model	CLIMATIC 50
Category	Chiller
Language	English