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Model 5344S
Installation
2-10.
Power line connections are selected by the position of the plug-in card in the module.
When the card is plugged into the module, theonly visible markings on the card indicatethe line
voltage to be used. The correct value of line fuse, with a 250-volt rating, must be installed after the
card is inserted.
2-11.
To convert from one line voltage to another, the power cord must be disconnected from
the power module before the sliding window covering the fuse and card compartment can be
moved to expose the fuse and circuit card.
2-12.
Pull on the fuse lever and then pull the card out of the module. The fuse lever must be held
to one side to remove and insert the card. Insert the card so the marking that agrees with the line
voltage to be used is visible.
2-13.
Return the fuse lever to normal position, insert the correct fuse, slide the plastic window
over the compartment, and connect the power cord to complete the conversion.
NOTE
For operation from 100V ac or 120V ac use a 1.25A slo-blo fuse
(2110-0305). For 220V ac or 240V ac operation use a .75A slo-blo
fuse (2110-0360).
2-14.
Power Cable
WARNING
BEFORE CONNECTING ELECTRICAL POWER TO THIS INSTRU¬
MENT, THE PROTECTIVE EARTH TERMINALS OF THIS INSTRU¬
MENT MUST BE CONNECTED TO THE PROTECTIVE CON¬
DUCTOR OF THE POWER CORD (MAINS). THE MAIN PLUG
SHALL ONLY BE INSERTED IN A SOCKET OUTLET PROVIDED
WITH A PROTECTIVE EARTH CONTACT. THE PROTECTIVE
ACTION MUST NOT BE DEFEATED
BY
THE USE OF AN EXTEN¬
SION CORD (POWER CABLE) WITHOUT A PROTECTIVE CON¬
DUCTOR (GROUNDING).
2-15.
The 5344A is shipped with a three wire power cable. When the cable is connected to an
appropriate ac power source, this cable connects the chassis to the earth ground. The type of
power cable plug shipped with each instrument depends on the country of destination. Refer to
Figure 2-2 for the part numbers of the power cables and plug configurations available.
2-2
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