Silencing Buzzer / Alarm Relay Output
Alarm Signals • 19
14 Alarm Signals
14.1.Silencing Buzzer /
Alarm Relay Output
If
tbA
=
y
, the buzzer and the relay are silenced by
pressing any key.
If
tbA
=
n
, only the buzzer is silenced while the
alarm relay is ON until the alarm condition recovers.
14.2.Alarm Recovery
Probe alarms
P1
,
P2
,
P3
, and
P4
start some sec-
onds after the fault in the related probe; they automat-
ically stop some seconds after the probe restarts
normal operation. Check connections before replac-
ing the probe.
Temperature alarms
HA
,
LA
,
HA2
, and
LA2
au-
tomatically stop as soon as the temperature returns to
normal values.
Alarms
EA
and
CA
(with
i1F
=
bAL
) recover as
soon as the digital input is disabled.
Alarm
CA
(with
i1F
=
PAL
) recovers only by
switching the controller OFF and ON
.
14.3.Other Messages
Message
Cause
Outputs
P1
Room probe failure
Compressor output
acc. to par.
Con
and
COF
P2
Evaporator probe
failure
Defrost end is timed
P3
Third probe failure
Outputs unchanged
P4
Fourth probe failure
Outputs unchanged
HA
Maximum tempera-
ture alarm
Outputs unchanged
LA
Minimum tempera-
ture alarm
Outputs unchanged.
HA2
Condenser high
temperature
It depends on the
Ac2
parameter
LA2
Condenser low
temperature
It depends on the
bLL
parameter
dA
Door open
Compressor restarts
EA
External alarm
Output unchanged
CA
Serious external
alarm (
i1F
=
bAL
)
All outputs OFF
CA
Pressure switch
alarm (
i1F
=
PAL
)
All outputs OFF
Table 14-1
- Alarm Signals
Message
Output
Pon
Keyboard unlocked
PoF
Keyboard locked
noP
In programming mode:
No parameter is present in
Pr1
.
On the display or in
dP2
,
dP3
,
dP4
:
The selected probe is not enabled.
Table 14-2
- Additional Display Messages
Содержание Dixell XR35CX - 110VAC
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Страница 27: ...Other Messages Connections 21 16 Connections The X REP output is optional Figure 16 1 XR35CX Connections ...
Страница 38: ...32 XR35CX I O Manual 026 1203 Rev 3 03 FEB 2015 Figure A 1 MODBUS Com Wiring Diagram ...
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