Manual Fan Speed Control - Vertiv Liebert iCOM DP400/500 Installer/User Manual

3.1.8 Manual Fan Speed Control

In Manual fan control mode, the speed of the motor can be set in one of the following ways:
• The manual (fixed) fan speed may be set via iCOM.
• Hard-wired analog input (input-signal types including 4 to 20 mA, 0 to 10 VDC, and 0 to 5 VDC) and a factory
suppled isolator to ensure reliable communication.
• Remotely using a Liebert® IntelliSlot® card.
Setting Manual Fan Speed Control via Analog Input
1. Touch
2. Touch
3. On ANALOG INPUTS, touch Customer Analog Inputs to expand it, then touch the analog-input device
corresponding to fan speed control.
4. On the ANALOG INPUT PROPERTIES panel, adjust the properties, then touch Save.
• Touch Cancel to discard the changes without saving.
Setting Manual Fan Speed Control via Building Management System
1. Touch
2. Touch
3. On BMS SETUP, touch Control Settings. The CONTROL SETTINGS sencondary panel displays:
• In Fan Control Sensor, select Manual.
• In BMS Fan Speed Local Override, select No.
• Touch Save. BMS control of fan speed is set, and the BMS set fan speed is displayed on the Fan Speed
slider.
NOTE: Set the fan speed via BMS by writing to the Fan Speed Maximum Set Point monitoring point. For details, see
SL-28170 IntelliSlot Reference Guide found at https://www.vertiv.com/en-us/support/.
NOTE: Local adjustments to fan speed are overridden when remote/BMS fan-speed control is set.
30
, then > Setpoints > Fan Control, set Fan Control Sensor to Manual, then touch Save.
, then > Auxiliary Device Setup > Analog Input.
, then > Setpoints > Fan Control, set Fan Control Type to Manual, then touch Save.
, then > BMS & Teamwork Setup > BMS Setup.
Vertiv™ | Liebert® iCOM™ Installer/User Guide