Ingersoll-Rand NIRVANA IRN75-160K-2S - Manual (Page 73)

IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S
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9.0 OPERATING INSTRUCTIONS
9.6 OPERATOR SETPOINTS
Setpoints are user−adjustable variables in the controller logic that
can be set using the OPERATOR SETPOINTS screen shown opposite.
The name and value of each of the setpoints listed can be seen on
the screen by moving the list up and down using the arrow buttons.
Setpoints associated with options are described in the OPTIONS
sections.
100 PSI
READY TO START
OPERATOR SETPOINTS−
TARGET PRESSURE
105 psi
STATUS MAIN MENU SELECT
FACTORY DEFAULTS
OPERATOR SETPOINTS DEFAULT MIN. MAX. STEP UNIT
Target pressure 100 65 145 / 203 1 PSI
Automatic stop pressure 110 Target +1 Target +10 1 PSI
Immediate stop pressure 120 Auto Auto +10 1 PSI
Blowdown mode Off Off On − −
Condensate release 5 2 20 1 SEC.
Condensate interval 180 90 270 1 SEC.
% savings compared to Modulation − − − −
Energy Rate 0 0 9999.999 − −
Reset Avg. -- − − Reset Date −
Service menu 1 1 25535 1 −
A setpoint’s value can be changed by first highlighting the item
and its value and pressing the SELECT button to highlight just the
value. When the value line is highlighted by itself, the value can
be adjusted using the up and down arrow buttons. The CANCEL
and SET buttons appear at this time. Press the SET button to enter
the new value or press the CANCEL button to return the value of
the setpoint prior to using the arrows. The displayed value will
flash twice to indicated that it has been entered into the setpoint
and the pair of setpoint item and value display lines will again be
highlighted together.
Operator setpoints can be exited by pressing the STATUS or MAIN
MENU buttons. If no buttons are pressed within 30 seconds, the
display will return to the CURRENT STATUS screen.
Target pressure
The compressor will try to operate at this pressure setting. The
target pressure ranges and step sizes for each unit of measure are
listed in the table below.
Unit Min Max (1S / 2S) Step
PSI 65 145 / 203 1
BAR 4.4 10 / 14 0.1
kPa 440 1000 / 1400 10
KGCM2 4.5 10.2 / 14.2 0.1
Note: the max target pressure for N250/300H−2S is 145 PSI, 10 BAR ,
1000 kPa, 10.2 KGCM2.