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NOTICE
The Crankcase Heater Delay set point must not be
altered unless directed by Ingersoll Rand Service
Personnel. Improperly altering the set point may
result in damage to the dryer. Contact Ingersoll Rand
Compressed Air Solutions before altering the default
set point.
The AUTO RESTART feature permits the dryer to operate
once power is applied to the dryer without requiring
operator intervention. This would be desirable should the
user wish to have the dryer restart automatically after a
power outage. To change the AUTO RESTART set point from
“N” (NO) to “Y” (YES), perform the following. Otherwise,
depress the SELECT DISPLAY button to advance to the next
display:
AUTO RESTART:N
SELECT
DISPLAY
Depressing the SELECT DISPLAY button advances to
the next adjustable parameter for the Auto Restart
feature.
SET
AUTO RESTART:Y
Depressing the SET button changes the AUTO
RESTART parameter from “N” to “Y”.
AUTO RESTART:Y
ENTER
Depressing ENTER saves the selected set point.
WARNINg
Changing the AUTO RESTART feature to “Y” will permit
the dryer to operate automatically once power is
applied and after a brief delay. Proper warning signs
should be affixed to the dryer to alert users and service
personnel that dryer may start without warning.
Failure to do so may result in serious injury.
END TECH SET PTS
SELECT
DISPLAY
Depressing the SELECT DISPLAY button displays the
END TECH SET PTS display.
The remaining non-adjustable parameters may be viewed by
depressing the SELECT DISPLAY button as required to arrive
at the desired display.
NOTICE
To exit the TECHNICIAN MODE at any time, depress the
button to return to the CUSTOMER MODE.
10.2 ALARM LIST
At the end of the list of non-adjustable parameters, the
Microprocessor Control displays a list of the most recent 20
alarm conditions. This list can facilitate troubleshooting the
dryer.
BEGIN ALARM LIST
SELECT
DISPLAY
At the end of the list of parameters, depressing the
SELECT DISPLAY button displays the beginning of the
ALARM LIST.
HPCO
SELECT
DISPLAY
Depressing the SELECT DISPLAY button displays the
alarms that the dryer has experienced, with the most
recent alarm displayed first. The actual display will
depend on the most recent alarm detected by the
Microprocessor Control.
END ALARM LIST
SELECT
DISPLAY
The list of alarms can be scrolled by depressing the
SELECT DISPLAY button as needed. At the end of the
alarm list, the END ALARM LIST screen is displayed.
BEGIN ALARM LIST
SELECT
DISPLAY
Depressing the SELECT DISPLAY list displays the
ALARM LIST screen at the top of the ALARM LIST.
The Alarm List will repeat as many times as the SELECT
DISPLAY button is depressed. To EXIT the ALARM LIST,
perform the following:
TECH SET MODE
�
Depressing the back arrow button (located above the
SET button) returns the controller to the top of the
TECHNICIAN MODE.
CHLLR TEMP: 37
�
Depressing the back arrow button again returns the
controller to the default display of the CUSTOMER
MODE.
10.0 TECHNICIAN MODE
120.26A D4290NCHPW400F Installation Operation and Maintenance Manual
