Eliwell EWHT 1800LX, Manual, Page: 71 / 142

17.7 17.7 17.7 17.7 ALARMS ALARMS ALARMS ALARMS (file (file (file (file labelled labelled labelled labelled “ “ “ “Alarms Alarms Alarms Alarms” ” ” ”))))
INSTALLER INSTALLER INSTALLER INSTALLER LEVEL LEVEL LEVEL LEVEL ONLY ONLY ONLY ONLY
1079: 1079: 1079: 1079: Att Att Att Att
A
A A
A larm tttt ype
Parameters mode “ 1081:HAL 1081:HAL 1081:HAL 1081:HAL ” and “ 1082: 1082: 1082: 1082: LAL LAL LAL LAL ”, understood as the absolute temperature value or the differential relative
to the setpoint.
•
•
(0)
(0)
(0) (0) absolute
absolute
absolute absolute = absolute value;
(1) (1) (1) (1) relative relative relative relative = value relative to setpoint.
1080:
1080: 1080:
1080: AFd
AFd AFd
AFd
1081: 1081: 1081: 1081: HAL HAL HAL HAL
1082: 1082: 1082: 1082: LAL LAL LAL LAL
1083: 1083: 1083: 1083: PAO PAO PAO PAO
1084: 1084: 1084: 1084: dAO dAO dAO dAO
1085: 1085: 1085: 1085: OAO OAO OAO OAO
1086:
1086: 1086:
1086: tdO
tdO tdO
tdO
1087:
1087: 1087:
1087: tAO
tAO tAO
tAO
1088: 1088: 1088: 1088: AtH AtH AtH AtH
Related
Related Related
Related
parameters parameters parameters parameters
:::: 1081:HAL
1081:HAL 1081:HAL
1081:HAL
, 1082: 1082: 1082: 1082: LAL LAL LAL LAL
Alarm Alarm Alarm Alarm activation activation activation activation differential differential differential differential
Related Related Related Related parameters parameters parameters parameters :::: 1081:HAL 1081:HAL 1081:HAL 1081:HAL , 1082: 1082: 1082: 1082: LAL LAL LAL LAL
Maximum
Maximum Maximum
Maximum temperature
temperature temperature
temperature alarm.
alarm. alarm.
alarm.
Temperature value (distance from setpoint or absolute value in relation to Att), which
when exceeded triggers an alarm signal.
See Max/Min. Alarm Diagram.
Related Related Related Related parameters parameters parameters parameters :::: 1079: 1079: 1079: 1079: Att Att Att Att ,,,, 1082: 1082: 1082: 1082: LAL LAL LAL LAL
Minimum
Minimum Minimum
Minimum temperature
temperature temperature
temperature alarm.
alarm. alarm.
alarm.
Temperature value (understood as distance from the Setpoint or as an absolute value based on Att) which when exceeded
downwards triggers the activation of the alarm signal.
See Max/Min. Alarm Diagram.
Related Related Related Related parameters parameters parameters parameters :::: 1079: 1079: 1079: 1079: Att Att Att Att ,,,, 1081:HAL 1081:HAL 1081:HAL 1081:HAL
Power-on
Power-on Power-on
Power-on exclusion
exclusion exclusion
exclusion
Alarm exclusion time after instrument is switched on following a power failure.
Defrost Defrost Defrost Defrost exclusion exclusion exclusion exclusion
Alarm exclusion time after defrost
Related Related Related Related parameters parameters parameters parameters :::: 1087: 1087: 1087: 1087: tAO tAO tAO tAO
Door Door Door Door closed closed closed closed exclusion exclusion exclusion exclusion
Delay signaling high or low temperature alarm after deactivation of the digital input (door closure)
Related Related Related Related parameters parameters parameters parameters :::: 1081:HAL 1081:HAL 1081:HAL 1081:HAL , 1082: 1082: 1082: 1082: LAL LAL LAL LAL
Door
Door Door
Door open
open open
open exclusion
exclusion exclusion
exclusion
Time out after alarm signal following digital input deactivation (door open).
Related Related Related Related parameters parameters parameters parameters :::: H11 H11 H11 H11… … … …H14 H14 H14 H14 = = = = 4 4 4 4 (configured (configured (configured (configured as as as as door door door door switch) switch) switch) switch)
T
T T
T alarm
alarm alarm
alarm delay
delay delay
delay
Delay signaling temperature alarms
Related Related Related Related parameters parameters parameters parameters :::: 1081:HAL 1081:HAL 1081:HAL 1081:HAL , 1082: 1082: 1082: 1082: LAL LAL LAL LAL
A A A A larm tttt ype H H H H umidity
Parameters mode
1089:
1089: 1089:
1089: HHA
HHA HHA
HHA and
and and
and
1090: 1090: 1090: 1090: LHA LHA LHA LHA
understood as the absolute humidity value or the differential relative to the setpoint.
•
•
(0) (0) (0) (0) absolute absolute absolute absolute = absolute value;
(1)
(1)
(1) (1) relative
relative
relative relative = value relative to setpoint.
1089:HHA 1089:HHA 1089:HHA 1089:HHA
Related Related Related Related parameters parameters parameters parameters :::: 1089: 1089: 1089: 1089: HHA, HHA, HHA, HHA, 1090: 1090: 1090: 1090: LHA LHA LHA LHA
Maximum
Maximum Maximum
Maximum humidity
humidity humidity
humidity alarm
alarm alarm
alarm threshold
threshold threshold
threshold
Humidity value (distance from setpoint or absolute value in relation to Att), which
when exceeded triggers an alarm signal.
See Max/Min. Alarm Diagram.
Related Related Related Related parameters parameters parameters parameters :::: 1088: 1088: 1088: 1088: AtH AtH AtH AtH ,,,, 1090: 1090: 1090: 1090: LHA LHA LHA LHA
EWHT 1800LX
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