MV VFD E-House

The pure-water cooling unit occupies its own bay at the end of the lineup, with industrial water supply and return lines rising from the services void under the raised floor and passing through the wall in sleeved, fire-stopped and sealed penetrations. Flange positions, pipe supports and valve-set working space follow the cooling unit's interface drawing, and leak-detection points sit at the low points and beneath the unit. Heat-transfer capacity and water-side parameters are confirmed against the lineup's heat load and the equipment interface data; water treatment, make-up and the external circuit outside the room stay with the customer or are supplied within the agreed scope.

The incoming and distribution cubicles sit at one end of the room, with the busbar and cable-tray connection positions left free above the cubicles and the operating and service clearances set out to cubicle type. Local control and instrument panels are mounted on the end face of the lineup, developed together with the circuit split for room lighting, service sockets and the auxiliary distribution board. The switchgear assemblies are customer-supplied or third-party units integrated within scope; the enclosure side provides the mounting bases, inter-cubicle connections and entry cut-outs.

Smoke detectors are laid out by zone at ceiling level, the fire alarm and releasing control panels are mounted where they can be operated, and alarm, interlock and status signals are brought to terminals outside the room. Detection, alarm, release and interlock interfaces belong to the enclosure scope; the suppression package can be supplied and installed within scope, or specified and supplied by the customer. No fire rating is claimed for the room as a whole — the final arrangement follows the project's fire requirements and local approval.

Wall openings and louvres are paired to the airflow direction, fitted with mesh guards and removable filters, and finished outside with rain hoods and seals so airflow and the IP54/55 target hold together. Emergency lighting and escape signage switch in automatically on loss of mains; everyday lighting and service sockets are fed from the auxiliary distribution board inside the room, on circuits split by section.

Temperature, humidity, water-ingress and door signals collect at the monitoring panel in the room for local display and can be passed on to the customer's supervisory system, with interface type and protocol confirmed per project. Camera and access-control positions and their conduit are reserved during fabrication, and a common signal interface point is left on the outside of the room. Climate control follows its setpoints to drive the air conditioning and ventilation, and its running state and alarms join the same monitoring loop.