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Nirvana Cycling Refrigerated Dryer Models 3250-8000
ingersollrandproducts.com
10.0 TECHNICIAN MODE
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. Note that the refrigeration system will operate
once the ASC or CCH delay times out. 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:
Depressing ENTER saves the selected set point.
AUTO RESTART: Y
SET
Depressing the SET button changes the AUTO RESTART
parameter from “N” to “Y”.
AUTO RESTART: Y
ENTER
Depressing the SELECT DISPLAY button advances to the
next adjustable parameter for the Auto Restart feature.
AUTO RESTART: N
SELECT
DISPLAY
A
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.
Depressing the SELECT DISPLAY button displays the END
TECH SET PTS display.
END TECH SET PTS
SELECT
DISPLAY
The remaining non-adjustable parameters may be viewed by
depressing the SELECT DISPLAY button as required to arrive at the
desired display.
A
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.
At the end of the list of parameters, depressing the SELECT
DISPLAY button displays the beginning of the ALARM LIST.
BEGIN ALARM LIST
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.
HPCO
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.
END ALARM LIST
SELECT
DISPLAY
Depressing the SELECT DISPLAY list displays the ALARM
LIST screen at the top of the ALARM LIST.
BEGIN ALARM LIST
SELECT
DISPLAY
The Alarm List will repeat as many times as the SELECT DISPLAY
button is depressed. To EXIT the ALARM LIST, perform the following:
Depressing the BLANK button (located above the SET
button) returns the controller to the top of the TECHNICIAN
MODE.
TECH SET MODE
Depressing the BLANK button again returns the controller to
the default display of the CUSTOMER MODE.
CHLLR TEMP: 37
