Measuring Incoming Voltage - Puregas P550W Series User Manual

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9.4 Measuring Incoming Voltage

WARNING!
Extreme care should be exercised to avoid contact with live
electrical circuits. It is highly recommended that you remove all
jewelry before performing any procedures.
9.4.1 Open Panel (see section 8.8 ).
9.4.2 Locate the Incoming
POWER connector inside
the Dryer.
9.4.3 Use a Voltmeter to measure
the voltage (inside Dryer):
9.4.3.1 Place the probes
between the Power
connector and terminal
insulation so that they
touch the metal contacts for
BLACK (BROWN) wire
and WHITE (BLUE) wire.
The voltage should measure 110 - 125 VAC for the P550W, P550WH and
P550WLP or 208 - 253 VAC for the P552W, P552WH and P552WLP.
9.4.4 Close Panel.
If the incoming voltage measures less than indicated above, it is recommended
that steps be taken at your facility to increase the power to the recommended level
of voltage.
P550W Series Air Dryers User's Guide
Page 60 of 99
P011658 – Rev. P