Control Panel; Keys Function - omi ED88 HP45 Operator's Manual

Direct expansion compressed air dryers
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3.1 CONTROL PANEL

The dryers are provided with an electronic control system. All adjustments and resets can be performed by means of the digital panel
located on the front of the dryer. The control panel is composed of 5 keys (ON/OFF, TEST, SET, DOWN and UP) and a 3 digit display,
with three signalling LEDs indicated by icons (PIC 1)
PIC. 1
DISPLAY
the unit is in ENERGY SAVING mode
the unit is ON with low load
the unit is ON with normal load
the unit is ON with normal-high load
the unit is ON with high load

3.1.1 KEYS FUNCTION

TEST: When pushed for 3 sec. during normal operation, it activates the condensate drain.
(Not used on No loss condensate drain)
SET: When pushed and released during normal operation, it displays the parameter C1.
When pushed for 10 seconds, it allows to enter the C8 and C9 condensate drain parameters programming menu (see
relevant table).
When pushed after having set new configuration values, it stores the applied modifications.
DOWN: When pushed while setting the drain set point, it decreases the displayed value of one unit per second, during the
first 10 seconds, than of one unit every 0,1 sec.
When pushed for 10 seconds during normal operation, it starts an automatic test cycle of the controller.
UP: When pushed while setting the drain set point, it increases the displayed value of one unit per second, during the first
10 seconds, than of one unit every 0,1 sec.
ON / OFF: Pressed, it activates or deactivates the dryer. When the dryer is deactivated, the display shows OFF.
NOTE: when the controller is in the OFF position, some parts of the dryer may still be energized. Therefore, for
safety purposes, disconnect the electrical power before performing any operation on the machine.
Cod. 710.0201.01.00 Rev.01 – 05.2022
DISPLAY VISUALIZATION AND SIGNALLING LEDS
DESCRIPTION
© Copyright 2022 OMI Srl - All rights reserved
LED
STATUS
ON
Blinking
ON
ON
Blinking
OFF
5 - 11
DESCRIPTION
Compressor energized
Programming mode activated
Condensate drain energized
Speed of the fan = 100%
Speed of the fan < 100%
Fan not running
5

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