Data Centre Cooling - Control

All our control systems are bespoke and individual to each project. All of these systems are manufactured in house and use crouzet PLC systems. There are many aspects to the control of an evaporative cooling based data centre cooling system. EcoCooling provide programmable controllers to control the CRECs, vary the speed of fans and position dampers. Links to fire systems and refrigeration backup are also incorporated into a single control system which has appropriate levels of redundancy. The latest control systems can also incorporate network communications.

Data Centre Cooling with CREC Controller

Crec control panel

Crec control panel

Exploded CREC diagram1   – Mains Supply 240VAC 1.2A
2   – 12V- supplies to field items
3   – Fault input relays from EcoCoolers
4   – 12V- supplies to field items
5   – CRAC control relay
6   – Remote enable
7   – Fire panel contact
8   – Internal temperature sensor(s)
9   – External temperature sensor
10 – Room Pressure sensor
11 – Suppressant  damper output
12 – Water supply/drain valve output
13 – Attemperation damper output
14 – EcoCoolers control common
15 – EcoCoolers control inputs
16 – EcoCoolers cooling enable
17 – EcoCoolers speed selection
18 – Analog attemperation damper output
19 – Modbus/Ethernet communication
20 – Programming port
21 – Menu control buttons
22 – LCD display
23 – Automatic or manual operation
24 – Temperature indication and set point
25 – Pressure indication and set point
26 – EcoCooler fault indication
27 – Fire and remote input status

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