Table Of Contents - Lennox CLIMATIC 50 User Manual

TABLE OF CONTENTS

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 calculation .......................................................................................14
Thermostat - Control principle .............................................................................................15
Compressors control ............................................................................................................16
High pressure unloading ......................................................................................................17
Defrost - Heat pump ............................................................................................................18
Driving the electronic expansion valve .................................................................................20
Condensing fans control ......................................................................................................22
Customized Input / Output (BE.50) ......................................................................................24
Free-cooling .........................................................................................................................25
Energy recovery...................................................................................................................26
FAULT CODES
GENERAL FAULTS
REFRIGERATION CIRCUITS FAULTS
COMPRESSOR FAULTS
MISCELLAENOUS FAULTS
CLIMATIC™50 Input/ Output MAPPING ................................................................... 39
CONTROL INTERFACE AND DISPLAYS .................................................................. 42
DC 50 CONFORT DISPLAY........................................................................................ 43
DS 50 SERVICE DISPLAY .......................................................................................... 53
DS 50 MENU TREE ECOLOGIC / ECOMAX RANGE ................................................ 61
FAULTS CODES ......................................................................................................... 73
BMS Points ................................................................................................................. 75
CLIMATIC 50 user manual - Chillers ranges
Chilled water temperature, out of range .................................................................28
Insufficient water flow rate......................................................................................29
Communication with the extension board .............................................................30
Low pressure cut out..............................................................................................31
Evaporator freezing protection ...............................................................................32
Faults probes and sensors.....................................................................................33
Compressor electrical protection............................................................................34
High pressure too high ...........................................................................................35
Insufficient flow rate provided by the pump ............................................................36
Fans circuit breakers open.....................................................................................37
Pump circuit breaker open .....................................................................................38
ModBus..................................................................................................................75
LonWorks...............................................................................................................78
CL50-CHILLERS/IOM/1105-E
Page
1
1