Frick QUANTUM - Selectable Options (Page 2)

FRICK
®
QUANTUM™ COMPRESSOR CONTROL PANEL S90-010 O
OPERATION Page 81
[Digital] - This key selects control of the
condenser digital outputs.
[Analog] - This key selects control of the
condenser analog output.
[Digital Analog] - This key selects control of the
condenser digital outputs and the condenser
analog output.
[Disable] - This key is provided to disable
Condenser Control.
Suction Pressure Pull Down - With this option
enabled, the Suction Pressure can be slowly
lowered in steps from the Starting Suction
Pressure setpoint to the Suction Pressure
Capacity Control setpoint. Slowly walking the
pressure down prevents rapid drops in system
pressure that causes violent boiling of refrigerant
in the system. A toggle key is provided that
changes between the following selections:
[Enable] - This key is provided if the control
is disabled.
[Disable] - This key is provided if the control
is enabled.
Selectable Options (Page 2)
The operator will only see the setpoints that are relevant to
their plant by enabling or disabling options and selecting
options from this screen. Reference the Quantum™
drawings for proper setup of options. Screen setup
features are also selected from this screen. The present
setup is shown. Following are the options that can be
selected:
Hot Gas Bypas/SV Setpoint - This option is
available if it applies to the compressor model
(Reference Compressor Model Differences). This
feature is provided to turn on up to three digital
outputs based on an entered Slide Valve position
setpoint. For further setup, see the Slide Valve
Setpoints screen. A toggle key is provided that
changes between the following selections:
[Hot Gas Enable] - This key is provided if the
control is disabled.
[Hot Gas Disable] - This key is provided if the
control is enabled.
Auxiliaries 3-8 - This provides for selecting additional
(more than 2) auxiliary digital input modules to be
used as an alarm or a shutdown when the auxiliary
input is de-energized. For further setup, see the
Auxiliaries 3-8 Setup screen. A toggle key is
provided that changes between the following
selections:
[Auxiliary Inputs Enable] - This key is provided
if this feature is disabled.
[Auxiliary Inputs Disable] - This key is provided
if this feature is enabled.
Pumpdown/DX Circuit - This option is available if it
applies to the compressor model (Reference
Compressor Model Differences). This provides for
setup of the DX (direct expansion) circuits (DX Circuit
#1 and DX Circuit #2). Settings will determine when
these digital outputs are turned on and off. For further
setup, see the Pumpdown/DX Circuit Setup screen.
A toggle key is provided that changes between the
following selections:
[Enable] - This key is provided if this feature is
disabled.
[Disable] - This key is provided if this feature is
enabled.