Altec AIR
P8400W Air-dryer User’s Guide
Page 68 of 110
P017585 – Rev. A
9.4 Measuring Incoming Voltage
9.4.1
Remove Top Cover (see section 8.10.1 )
9.4.2
Locate the Main POWER
Circuit Breaker.
9.4.3
Place Voltmeter probes
between the Circuit Breaker
and terminal insulation so that
they touch the metal contacts.
The voltage should measure
210 - 230 VAC
.
9.4.4
Reinstall Top Cover.
If the incoming voltage measures less than 210 VAC, it is necessary to engage the
Boost Transformer in order to increase the voltage to the desired range of 210-
230 VAC. See section 8.15 for procedure.
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.
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