Vanguard ATRT-01 S2 - Manual (Page 15)

REV 2 ATRT-01 S2, ATRT-01B S2, AND ATRT-01D S2 USER’S MANUAL
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2.0 PRE-TEST SETUP
2.1 ATRT-01 S2 Operating Voltages
The ATRT-01 S2 is powered by ac line voltage only. The operating voltage is preset at the
factory and is selectable between 100-120 Vac, 50/60 Hz or 200-240 Vac, 50/60 Hz. Only the
reference transformer requires voltage selection for the different operating voltages. The
voltage is set by placing jumper(s) on the transformer (part number 200466-1) as shown in
Figure 5 and Figure 6.
Table 7. ATRT-01 S2 Voltage Selection Jumper Settings
Voltage
Selection
Transformer Jumpers
100 – 120 Vac Pin 1 and 3, Pin 2 and 4
200 – 240 Vac Pin 2 and 3
Figure 4. ATRT-01 S2 Voltage Selection Jumper Location