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Electrical Parts
Overload Relays
The overload relay controls the amount of amps that flows through the motor. If the motor should exceed the full load amps, the overload will break the circuit.
Control Transformers
The external transformer breaks down the main power and provides 120 volts for the inside components.
Contractors & Starters
This is a magnetic starter that when supplied with 120 volts the blower is turned on and off.
Circuit Breakers
It is a UL 489 listed din rail mounted miniature circuit breaker. Suitable for branch circuit protection. Thermal magnetic over current protection. Two levels of short circuit protection. Categorized by C and D Curves.
Timers
Each blower for the aeration chamber shall be controlled by the 24-hour, 7-day time clock and shall be capable of being programmed to control the blower run cycle and to adjust both the start set point every 15 minutes on the 24 hour cycle. The clock shall also include a skip-a-day feature which will allow a separate program., Model #ML-72. A selector switch shall be provided with off, on time clock operation.
Terminal Blocks
The spring cage provides straight through power for field wiring. Accepts 24-6 AWG Wire.
Power Distribution Block
This is where the main power that is provided to the control panel is hooked up.
Variable Frequency Drives (VFD)
The VFD allows the operator to regulate how fast the motor is to run and exactly how much air is to enter the system.
Selector Switches
Selector Switches come complete with the two normally opened contacts. The selector switch controls the hand and automatic operation of the blower.
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