Condenser Digital Control - Johnson Controls FRICK QUANTUM LX Operation

ACCESSING:
DESCRIPTION: If Condenser is enabled, this screen allows the end user to enter and view the basic operating param-
eters related to condenser digital operation.
The following setpoint boxes are shown here:
• [Condenser Control Setpoint] – This is the
value that the Condenser Control will attempt to
maintain.
• [Module A - D Step Order] - The four different
output modules are enabled by putting a number
(1-4) into the Step Order setpoint boxes. These
determine the order that the modules are turned
on or off. If a Module has a 0 (zero) as its Step
Order setpoint, it is disabled from the control
process.
• [Step Up Deadband] and [Step Up Delay] –
When the System Discharge Pressure stays
above the combined values of the Condenser
Control Setpoint plus the Step Up Deadband for
QUANTUM™ LX COMPRESSOR CONTROL PANEL
OPERATION
SETPOINTS -Condenser Digital Control
Setpoints...
Condenser

Condenser Digital Control

the amount of time as set in the Step Up Delay,
the next module in the Step Order will turn on.
• [Step Down Deadband] and [Step Down Delay]
– When the System Discharge Pressure stays
below the difference of the values for Condenser
Control Setpoint minus the Step Down Deadband
for the amount of time as set in the Step Up De-
lay, the next module in the Step Order will turn
off.
• [High Pressure Override] and [High Pressure
Override Delay] - When the System Discharge
Pressure goes and stays at or above the High
Pressure Override value for the amount of time
as set in the High Pressure Override Delay, all
modules will turn on.
090.022-O (MAY 12)
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