Johnson Controls FRICK QUANTUM HD - Page 69

QUANTUM™ HD COMPRESSOR CONTROL PANEL
OPERATION
090.040-O (MAR 12)
Page 69
above the Control Setpoint. If the PID’s Action
is Reverse, the Proportional Band extends below
the Control Setpoint.
[Integration Time] - This setpoint controls the
infl uence that the Integral component exerts on
the PI Output value. The Integral component
works to push the Control Input toward the Con-
trol Setpoint by tracking the difference between
the Control Input and the Control Setpoint over
time.
High Limit - The highest value that the output
can be.
Low Limit - The lowest value that the output
can be.
I/O Board - Select from one of the following:
• None
• Analog Board 1
• Analog Board 2
I/O Channel - Select the output channel that will
be used.
Port Multiplier – If the Economizer is On and the
Pressure Input selection is not Disabled, this set-
point is used in calculating the Volume Ratio. A
value of 1.6 is used for RXF models, and a value
of 1.4 is used for RWF models.