Chapter 3 _______________________________________________________________ Installation
VAISALA_______________________________________________________________________ 35
Power Supply Connection
1. Turn the main circuit breaker F1 to the Off position (for location,
see Figure 16 on page 41.
2. Plug in the line supply cable to connector J2 (for location, see
Figure 11 on page 34) after checking the voltage of the power
supply cable connector.
External mating connectors with 2 m (7 ft) cable are included for J2 and
for J3. The power plug of the J2 cable can be cut when the unit is
permanently installed at the final site.
The wire connections and cable glands of the optional Termination Box
are presented in the Termination Box User's Guide (see section Related
Manuals on page 7).
NOTE
When the permanent line power installation is made, the maximum size
of the fuse protecting the power line is 10 A.
Data Line Connection
Vaisala Ceilometer CL31 offers three possible options for the data line
connection. These options are presented in Figure 12, Figure 13 and
Figure 14 on the next pages.
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