Chapter 2 Assembly & Installation
Revision W HF Series X-ray Generators - Service Manual
2-8 Quantum Medical Imaging
Transformer Line Tap Adjustment (Single Phase Non-SE Systems)
WARNING! Extreme care MUST be exercised to
ensure the safety of service or other personnel in
the area when working with live AC mains.
Proceed as follows:
1. Using a calibrated DVM, measure the AC input (mains) voltage (i.e., line-
to-line or line-to-neutral, when applicable).
2. Verify that power to x-ray generator is disconnected.
3. Adjust transformer taps by relocating the leads on the top side of trans-
former terminal block TB2 to match the input line voltage as closely as
possible. Refer to Figure 2-3 for 208 - 260 VAC single-phase input line
tap configurations, and Figure 2-4 for 380 - 480 VAC single-phase input
line tap configurations.
Figure 2-3. Single-Phase 208 - 260 VAC Single-Phase Input
AC Transformer Line Tap Connections
NOTE
STORED ENERGY
(SE) models can
operate between
105 and 130 VAC
and non-SE,
single-phase
models between
200 and 270
VAC. Refer to
Chapter 1, SPEC-
IFICATIONS.
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