Operating instructions
50 IMM AGSB-60
Power Panel
Each compressor and its associated refrigerant circuit and controlled devices have a dedicated
power and control system. They are contained in a duplex panel, the outer box containing the
MicroTech II microprocessor with related accessories and the inner box containing the power
components including the starter.
Silicon Controlled
Rectifier (SCR)
Bypass Contactor
Main Circuit Breaker
Microprocessor
Control Panel
Starter Control Card
T1, Line to 115V
Transformer
Phase/Voltage Monitor
Fan Motor Breakers
Fan Contactors
Transformer T1 Fusing
Fan Contactors or
Optional Fan VFD
Terminal Bloc
k
TB 4
Panel Heater
Thermostat
Compressor
Motor Temp. Card