Electrical Installation
Vertiv | Liebert CRD10 | User Manual
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terminal 51# and the other end to common terminal 24#. Each unit can be connected with multiple sensors
in parallel, but there would be only one water-underfloor alarm.
4.3.2
Solenoid Valve Kit
When installing the solenoid valve kit (LLSV), connect one end of the solenoid valve coil cable to terminal
72# and the other end to terminal 73#. Figure 4-4 shows the liquid line solenoid valve connection with the
respective terminals.
Figure 4-4 Freon Solenoid Connection with Terminal
4.3.3
Transformer connection cable
NOTICE!
CRD10 unit 96VA transformer default wiring is orange cable (230V to 24V). If the unit rated voltage is
208V, a properly trained and qualified electrician must change the transformer wiring from orange to
red cable (208V to 24V).
Figure 4-5 Transformer wiring diagram
Common Alarm
LLSV
Transformer
Transformer
BR
OR
R
WH
BK COM
BL