Line
ID
Parameter
Name
Range
Default
Setting
Description
Sensor A Alarms
Init Delay
10 - 9999 sec 90 sec
S206
Sensor A Low
Temperature Alarm
34 - 210 °F
1.0 - 99.0 °C
55 °F
Sets the temperature threshold when Sensor A high/low
temperature alarm will occur.
Sensor A High
Temperature Alarm
34 - 210 °F
1.0 - 99.0 °C
90 °F
S207
Sensor A Low
Humidity Alarm
1.0 - 99.0% 30.0%
Sets the temperature threshold when Sensor A high/low humidity
alarm will occur.
Sensor A High
Humidity Alarm
1.0 - 99.0% 70.0%
S208
Warning Activates
Alarm Relay
No Yes Yes
When set for Yes, a Warning event type will activate the Alarm
Relay as well as an Alarm event type.
S209
K11 (WA Relay)
Active On
0 = Dehum
1 = Warning
2 = Emergency Pwr
3 = Freecooling
4 = FC Start
Warning
The Warning Relay (WA Relay) can be activated for different
purposes; during a call of Dehumidification during a warning event
type, when unit is on Emergency Power and a Customer Input
Alarm is configured for Emergency Pwr, during free cooling, or
during free cooling (FC) Start.
S210
K11(WA Relay) and
AL Relay
Direct Reverse Direct
Determines whether the K11 (WA Relay) is direct or reverse
acting.
S211
Water Alarm Shuts
Down Unit
No
Yes
No
The controller can be configured to shut the following down
during an active Water Alarm:
• Shutdown the entire unit
• Shutdown humidification operation
Water Alarm Hum
Fill Down
No
Yes
No
S21A
Loss of Flow
Compressor Timer
0 - 180 sec 0 sec
Allows setting a maximum pumpdown time during a loss of flow
condition to prevent causing a high-pressure alarm due to
pumpdown with no water/glycol flow to the condenser; hidden
unless pumpdown is enabled; applies only to water/glycol-cooled
systems
S21B
Loss of Flow
Threshold
0 - 100 % 0.1 Sets the threshold for call for cooling loss of flow.
S213
Supply Sensor
Alarms Enable
Disabled
Enabled
Disabled
Enables or disables the supply sensor alarms. If the unit is not
equipped with a supply temperature sensor, then this parameter
will show Disabled. A user may also select the time delay before
the alarm will become active.
Supply Sensor
Alarms Init Delay
10 - 9999 sec 90 sec
S214
High Supply
Temperature
34 - 210 °F
1.0 - 99.0 °C
75 °F
Sets the high and low supply temperature threshold at which the
alarms will be triggered.
Low Supply
Temperature
34 - 210 °F
1.0 - 99.0 °C 50 °F
S215
Dew Point Alarms
Enable
Disabled
Enabled
Disabled
Enables or disables the Return Air Dew Point alarm. Dew point
alarms can be enabled with any humidity control type. Dew point
alarms may be used with or without humidification or
dehumidification options selected. A user may adjust the time
delay before the alarm is activated.
Dew Point Alarms
Init Delay
10 - 9999 sec 90 sec
Table B.2 Service Menu Alarm Settings by Line ID (continued)
209
Vertiv™ Liebert® iCOM™Installer/User Guide
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