Section II
PREPARATION FOR USE
2-1
UNPACKING
Each senTorr unit is inspected and carefully packed prior to shipment. If the unit arrives damaged,
save the packing material and immediately notify the carrier. Because the packing materials are
designed specifically for this instrument, they should always be used when transporting the unit. The
shipping container is packed with the following contents.
1 senTorr Basic Unit
1 A-C line cord
1 Instruction Manual
4 rubber adhesive feet for bench top use of the senTorr
2-2
INSTALLATION
Before operating the unit, it is necessary to set it for the proper line voltage level.
1.
Open the unit by removing the two screws at the top rear of the unit then pivot the cover up
and back to disengage the front lip. Lift off the cover.
2.
Set the line voltage by moving line voltage selector switch S1 (Figure 2-1) to either the 115 VAC
(for 110 VAC or 115 VAC, 50/60 Hz) or 230 VAC position (for 220 VAC or 240 VAC, 50/60 Hz).
3.
Before replacing the top cover, check that switch S1 is correctly positioned, that all cables are
properly plugged in, and there is no loose hardware or metal parts inside the senTorr unit.
Replace the cover and secure it with the two screws.
4.
Mount the unit using the desired rack-mounting kit, then attach the appropriate external
gauge and system cables. Refer to Figure 2-2 for rear panel connections and Figure 2-3 for
mounting dimensions.
2-1
NOTE
________
The unit is shipped with switch S1 (internal) set to 230 VAC.
WARNING
_____________
Before servicing the unit, check that the line cord is not plugged into a
power source. Observe all warnings and cautions printed on the cover.
