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Series 340 Vacuum Gauge Controller
Instruction Manual - 340005 - Rev. D
Chapter 3
3
Installation
3.1 Initial VGC Setup and Installation
3.1.1 Line Voltage Selection
Verify that the line voltage selector card displays the line voltage value of the available local AC line
voltage. If the card does not display the correct line voltage value as shown in Table 3-1, perform
the following procedure and refer to Figure 3-1.
1.
On the rear panel (lower right), slide the cover over fuse F2 to the left.
2.
Remove the fuse (F2) by pulling the fuse extractor tab FUSE PULL outward and to the left.
Leave the extractor tab in the full-left position.
3.
Use a pointed tool or small wire hook to extract the line selector card from its holder and pull
the card straight out.
4.
Reinsert the card so that the correct line voltage (100, 120, 220, or 240V) as shown in Figure
3-1 is readable from the rear of the VGC.
.
5.
Verify that fuse F2 is the correct value as shown in Table 3-1. Position the fuse extractor tab
FUSE PULL to the right-hand position and install the fuse (F2) in the fuse holder.
6.
Slide the cover to the right over the fuse.
Table 3-1 Selector Card Line Voltage Settings and Fuse Selection
Line Voltage Setting (VAC)
Setting
Selector Card Fuse F2 Type
90-105
100
1.25A SB
105-130 120
1.25A
SB
200-230
220
.60A SB
230-260
240
.60A SB
Figure 3-1
Line Voltage Selector on the rear of the 340 VGC
Operation of the Series 340 Vacuum Gauge Controller with the line voltage
selector card improperly set can cause damage to the Controller and injury to
personnel.
