Anomaly Warning; Remote Signalling Alarm - omi ED24-SR Operator's Manual

3.1.3 DISPLAY INDICATIONS
The controller is capable of recognizing certain types of anomalies in the drying circuit. In such cases, a message will
blink on the display, alternated to the current dew point value.
MESSAGE
(BLINKING)
HtA
Very high dew point value
Ht2
LtA
Interruption or short circuit on
PF1
the PTC probe input line
ESA
The automatic Energy saving
mode activated due to low
ES2
Activated after repeated
ASt
Note: PF1 has priority on all other messages.
3.1.4 REMOTE SIGNALING ALARM
Alarm Output relays electric
features:
Max. 250VAC / 3A – AC 15 (Amp. Inductive)
The activation of the above function is at the User's discretion. The User will purchase all necessary
installation material. Any operation which needs access to the dryer must be carried out by qualified
personnel.
Cod. 710.0138.62.00 Rev00 – 03.2016
CAUSE
High dew point value
(delayed alarm)
(immediate alarm)
Low dew point value
load
alarms
The dryer control board is equipped with a dry contact for a remote alarm signal. This is
normally open contact: when an alarm is detected, this contact is closed.
Proceed as follows to activate a remote alarm output:
1. The User must review the diagram below.
2. Disconnect the dryer from electrical power supply, remove cover and left side panel.
3. Connect the alarm circuit to the terminal blocks (See PIC.2).
4. Replace cover, left side panel and reconnect power.
OUTPUTS
Alarm output ON
Refrig. Compressor output OFF
Fan output ON
Drain cycle standard
Alarm output ON
Refrig. Compressor output OFF
Fan output OFF
Drain cycle standard
Alarm output ON
Refrig. Compressor output OFF
Fan output OFF
Drain cycle standard
Alarm output OFF
Refrig. Compressor output OFF
Fan output OFF
Drain cycle standard
Alarm output ON
Refrig. Compressor output OFF
Fan output ON
Drain cycle standard
ACTIONS
Resettable by switching off the
dryer.
If problem persists call your
local OMI distributor.
Automatic reset when dew
point returns to preset range.
If problem persists call your
local OMI distributor.
Resettable by switching off the
dryer. May require replacing the
faulty probe.
If problem persists call your
local OMI distributor.
No action necessary.
Automatic Reset
Call your local OMI distributor.
PIC.2
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