Vaisala HUMICAP HMT330 SERIES Uživatelská příručka Strana 38

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User's Guide ______________________________________________________________________
38 __________________________________________________________________ M210566EN-H
5. Connect the power supply wires to the connectors: POWER
10 ... 35V+ 24V~ (+) and (-) terminals. If you are using 24 VAC
power supply, see the note below before connecting the supply
wires.
6. Turn on the power. The indicator led on the cover lit continuously
during normal operation.
7. Close the cover and fasten the cover screws. The transmitter is
ready for use.
Connections to a 24 VAC Power Supply
Separate floating supply for each transmitter is recommended (see the
upper part of Figure 21 on page 39). If you have to connect several
transmitters or other instruments to one AC supply, the phase (~) must
always be connected to the (+) connector of each transmitter (see the
lower part of Figure 21).
CAUTION
24 VAC POWER SUPPLY USE
To prevent fire and/or damage, if either 24 VAC wire is grounded or
connected to a "-", "0", or "GND" terminal of any other device, you
must connect the same wire on the "-" terminal also on this
instrument.
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