Table Of Contents - Master Bilt Master Controller 2.0 Installation & Operation Manual

INTRODUCTION...................................................................................................................4
WARNING LABELS AND SAFETY INSTRUCTIONS...........................................................5
APPLICATIONS ....................................................................................................................5
MASTER CONTROLLER......................................................................................................6
Description .................................................................................................................6
Factory-Mounted Parts ...............................................................................................8
Features .....................................................................................................................9
Sequences of Operation...........................................................................................10
START UP
OFF MODE
COOL MODE
DEFROST MODE
COIL DRAIN MODE
FAN DELAY MODE
SAFETY MODE
Multiple Evaporator Configuration ............................................................................13
BOND CONTROLLERS FROM FRONT PANEL
PEER TO PEER MODE
ALTERNATING MODE
Definition of On-Board Symbols ...............................................................................14
STATUS, DEFAULT AND READING DISPLAY
ALARM DISPLAY
Setting Parameters by On-Board Pushbuttons ........................................................17
Temperature Sensors...............................................................................................19
SENSOR SERVICE INSTRUCTIONS
Pressure Transducer ...............................................................................................20
Charging the Master Controller 2.0 Refrigeration System .......................................21
Technical Notes........................................................................................................22
REVERSE CYCLE DEFROST ...........................................................................................23
General Information..................................................................................................23
Advantages ..............................................................................................................23
Factory-Installed Parts..............................................................................................23
Eliminated Parts .......................................................................................................24
Defrost Time.............................................................................................................24
Charging a Master Controller 2.0 System Equipped with Reverse Cycle Defrost ...24
ELECTRIC WIRING ............................................................................................................24
TYPICAL WIRING DIAGRAMS
TYPICAL SET POINTS FOR CONTROLLER.....................................................................28
TROUBLESHOOTING GUIDE............................................................................................29
Troubleshooting Electric Expansion Valve ..............................................................30
MASTER-BILT PART NUMBERS .......................................................................................30
.........................................................................................................10
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Scheduled Defrost
........................................................................................11
Demand Defrost
..........................................................................................12
Manual Defrost
...............................................................................................12
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