Quincy Compressor QED 1050 Instruction And Maintenance Manual - Air Logic Controller

3

Air Logic Controller

3.1

  Air Logic Controller

Control panel

General description

The 

Air Logic Controller automatically controls the dryer, i.e.:

• keeps the pressure dew-point stable

• stops the dryer whenever necessary

• restarts the dryer when required

In order to control the dryer and to read and modify programmable parameters, the 

controller has a 

control panel provided with:

• LEDs indicating the status of the dryer

• a display indicating the operating conditions or a fault

• keys to control the dryer and to access the data collected by the 

controller

• buttons to manually start and stop the dryer

In general, the 

controller has following functions:

• controlling the dryer

• protecting the dryer

• automatic restart after voltage failure (made inactive)

Controlling the dryer

The 

controller keeps the pressure dew-point stable at no load by opening or closing the solenoid valve of 

the

 hot-gas by-pass.

In order to keep the condenser pressure constant:

• The 

controller starts and stops the fan motor(s) as necessary.

Instruction book

2920 1818 00

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