Vertiv Liebert iCOM DP400/500, Installer/User Manual

Page: 157 / 180

Line
ID
Parameter
Name
Range
Default
Setting
Description
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 in addition to an “Alarm” event-type.
S209
K11 (WA Relay)
Active On
0 = Dehum
1 = Warning
2 = Emergency Pwr
3 = Free cooling
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 Freecooling (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 pump down time during a loss of flow
condition to prevent causing a high-pressure alarm due to pump
down with no water/glycol flow to the condenser; hidden unless
pump down 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 (CFC) 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 & low supply temperature threshold that the
alarms will be triggered at.
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
S216
High Dew Point
34 - 210 °F
1.0 - 99.0 °C
59 °F
Sets the high/low depoint threshold.
Low Dew Point
34 - 210 °F
1.0 - 99.0 °C 39 °F
Table B.4 Service Menu Alarm Settings by Line ID (continued)
149