Vertiv SmartRow DCX, Installation Manual

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Action Operation
Emergency power-off.
Press the EPO button on the front door of the Control Panel and
Fire Suppression System.
Press the Remote EPO (REPO) button(s) if they are connected
to the system.
Note: Systems manufactured and shipped after August 26,
2016, have the latching EPO button.
The EPO button is a latching button.
To engage the EPO: Press the button until it latches and the system shuts down.
To disengage the EPO: Pull-out the EPO button.
When engaged, all cooling units, UPS(s) (if wired into EPO circuit), Fire suppression
and emergency ventilation fans (if running) power down. There are multiple ways to
configure the EPO circuit per the electrical schematic to comply with local codes, so
your operation may vary. However, all equipment can be wired to shut down.
If equipped, the Shunt trip breaker in the load panel can be wired to open as well.
Resetting emergency ventilation fans.
Push the High Temp Reset button after an event in which the
fans have activated and lowered the return air temperature to
89°F ±3°F or lower
Deactivates the emergency ventilation fans after the safe temperature is reached.
Allows cooling unit to reactivate when possible (Utility power restored, alarm cleared,
etc.).
Resets the control logic for the Emergency Ventilation Fans for future activation.
Note: Do not reset emergency ventilation fans for at least 2 minutes after they
activate to ensure that the thermal unit’s 2 minute restart delay has expired.
Turning the fire-suppression control bypass timer.
Turn the timer past the 1-hour position
Suspend the fire-detection so that maintenance can be performed on the system.
The timer provides a normally-closed circuit bypassing the internal, normally closed
relays in the fire-suppression panel.
Once the timer expires, the circuit is returned to its normal setting (Off).
Note: You can turn the timer up to a maximum of two hours if necessary to perform
maintenance.
To continue the bypass operation, just turn the timer again when time gets low.
Turning the Vertiv™ SmartRow™ DCX emergency power-off
override timer.
Turn the timer past the 1-hour position.
Temporarily bypass the EPO circuit. This allows manual restart of the UPS after an
EPO event.
Note: You can turn the timer up to a maximum of two hours if necessary to perform
maintenance.
To continue the bypass operation, just turn the timer again when time gets low.
Turning the key to activate the manual fire-suppression
release. If you see smoke and/or fire in the system, but the smoke detector is malfunctioning,
you can manually discharge the fire suppression material into the system.
Fire-suppression system abort Prevents the fire-suppression system from dumping due to a false alarm.
Control Power Available light illuminated (green) Control system is powered via TB1 positions (1 & 2) or (3 & 4).
Control Power Available light is NOT illuminated Green LED indicates all doors are closed.
Main Circuit Breaker with Shunt Trip Assembly (If applicable)
• To enable power flow to the control panel, flip
the breaker switch to the UP position
(On/Closed).
• To disable power flow to the control panel, flip
the breaker switch to the DOWN position
(Off/Open)
Eliminates power to all loads connected to and downstream of the load distribution
center both locally and remotely.
IMPORTANT! The shunt trip assembly requires a dedicated, field-supplied source of 120V
power to TB1 Pins 9 & 10.
If the breaker is tripped (EPO activation), you must reset the breaker before beginning
the restart protocols. See
Recovering from a Fire Suppression System Activation on
the next page, for details.
Table 6.1 Component operation for the Vertiv™ SmartRow™ DCX Control Panel and Fire Suppression System
Vertiv | SmartRow™ DCX Installation Manual | 23