Technician Mode; Entering Technician Mode; Operating Mode (Bi-Mode); Heater Temperature Setpoint - Ingersoll Rand EH Serie Manual De Operador

The Microprocessor Control provides a protected TECHNICIAN MODE
to manipulate several parameters not accessible by the casual operator.
Below is a list of parameters that can be accessed and manipulated by
the technician in the TECHNICIAN MODE:
Parameter
OPERATION MODE
ENERGY MANAGEMENT
SYSTEM (OPTIONAL)

ENERGY MANAGEMENT SYSTEM

SETPOINT (OPTIONAL)

PURGE TEMPERATURE

RESTART MODE

EXTENDED HEATING
HIGH DEW POINT ALARM
ACTIVATION (OPTIONAL)
* NOTE: Setpoints indicated are adjustable ONLY when dryer is
equipped with the Energy Management System option. Setpoints are
non-adjustable on dryers

9.1 ENTERING TECHNICIAN MODE

WARNING
TECHNICIAN MODE should only be entered by qualified service
personnel. Altering the set points in TECHNICIAN MODE will have a
significant effect on the operation of the dryer. Incorrect set points may
damage dryer and cause potential serious injury.
To enter the TECHNICIAN MODE, perform the following keystrokes:

TECHNICIAN MODE

2 3
Pressing the "2" and "3" buttons simultaneously enters the
TECHNICIAN MODE.
SELECT
DISPLAY
Depressing SELECT DISPLAY scrolls through the available
parameters.
10
9.0 TECHNICIAN MODE
Display Set Point
OPERATION
HTLS, HEATED
MODE
EMS OFF , ON
EMS SET POINT -76 - +68
PURGE TEMP OFF , ON
RESTART LAST, ZERO
EXTENDED HTG OFF , ON
HI DEW POINT OFF , ON
BEGIN
SET OPMODE
HEATLESS
EH Series Desiccant Dryer Models 150-8000
http://www.ingersollrandproducts.com

9.2 OPERATING MODE (BI-MODE)

As described in Section 7, Heat Reactivated Dryers can operate in a
heated purge mode as well as a heatless pressure swing mode. To
change the operation mode of the dryer, perform the following
keystrokes:
SET OP MODE
SELECT
HEATED PURGE
DISPLAY
Depress the SELECT DISPLAY button until the SET
OPERATION MODE screen is displayed.
SET OP MODE
+
-
Depress the +/- button until the desired operating mode is
displayed. Pressing SELECT DISPLAY saves the current
selection.
NOTICE
The Microprocessor Controller must be in the OFF position prior to
changing the mode (heated purge / heatless) of the dryer. After the
change is made and the Microprocessor Control is subsequently
turned ON, the dryer will be in the new mode of operation.
CAUTION
Any time the dryer is switched between two operating modes, care
must be taken to ensure the purge adjustment valve is adjusted
correctly. Refer to the specification sheet in this manual for proper
gauge setting.
9.3 HEATER TEMPERATURE SETPOINT (HEATED PURGE MODE
ONLY)
The Microprocessor Controller permits the user to adjust the
temperature of the heater, thereby altering the regeneration temperature
in the heated purge mode.
WARNING
The user is advised to only alter the regeneration temperature after
being instructed to do so by Ingersoll Rand factory personnel.
Improper or inappropriate manipulation of the heater temperature can
result in degraded dryer performance, equipment damage and serious
injury. Notify Ingersoll Rand Compressed Air Solutions prior to altering
the heater temperature.
The following illustrates the method of adjusting the setpoint for the
heater temperature:
HEATER TEMP
SELECT
DISPLAY
Depress the SELECT DISPLAY button until the HEATER
TEMPERATURE SET POINT screen is displayed.
HEATLESS
375