Vertiv Liebert Mini-Mate2 MMD24E Technical Data Manual page 73

2.1.3.3.2 Common Alarm and Remote On/Off
A common alarm relay shall provide a contact closure to a remote alarm device. Two (2) terminals shall
also be provided for remote On/Off control. Individual alarms shall be "enabled" or "disabled" from
reporting to the common alarm.
2.1.3.3.3 Setback Control
The control shall be user-configurable to use a manual setpoint control or a programmable, time-based
setback control. The setback control will be based on a 5 day/2 day programmed weekly schedule with
capability of accepting 2 events per program day.
2.1.3.3.4 Temperature Calibration
The control shall include the capabilities to calibrate the temperature and humidity sensors and adjust the
sensor response delay time from 0 to 90 seconds. The control shall be capable of displaying temperature
values in °F or °C.
2.1.3.3.5 System Auto Restart
For startup after power failure, the system shall provide automatic restart with a programmable (up to
9.9 minutes in 6-second increments) time delay. Programming can be performed either at the
wall-mounted controller or from the central, site-monitoring system.
2.1.4 Alarms
2.1.4.1 Unit Alarm
The control system shall monitor unit operation and activate an audible and visual alarm in the event of
the following factory preset alarm conditions:
•
High Temperature
•
Low Temperature
•
High Humidity
•
Low Humidity
•
High Water Alarm - Lockout Unit Operation
•
High Head Pressure
•
Loss of Power
•
Compressor Short Cycle
2.1.4.2 Custom Alarms (2x)
•
Humidifier Problem
•
Filter Clog
•
Water Detected
•
Smoke Detected
•
Custom 1
•
Custom 2
User-customized text can be entered for the two (2) custom alarms.
2.1.4.3 Alarm Controls
Each alarm (unit and custom) shall be individually enabled or disabled (except for high head pressure
and high water in condensate pan) and can be programmed for a time delay of 0 to 255 seconds of
continuous alarm condition to be recognized as an alarm. Each alarm can also be enabled or disabled to
activate the common alarm (except high head pressure and high water in condensate pan).
SL-10535a_ REV5_2-17
Liebert Mini-Mate2—2- and 3-Ton
3 Guide Specifications