Vatech PHT-30CSS Installation Manual page 26

2. Choosing an Installation Site
16
To assure line voltage quality, a separate 3-core

grounded power cable connected directly to the central
distribution panel with an over-current circuit breaker
rated for 20A must be used.
Maximally allowed deviation of the tube voltage/tube

current/exposure time:
Tube Voltage (kVp) ± 10 % / Tube Current (mA) ± 20 % /
Exposure Time (s) ± (5 % + 50 ms) according to IEC
60601-2-63.
The mains resistance should not exceed 0.045 ohm at

100 V and 0.19 ohm at 240 V.
This equipment should be connected to the earthed

outlet.
vatech A9 (Model:PHT-30CSS)
Installation Manual