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Section 3 - Installation (ATSC EC702HP Transmitter)
3.6
Power Network Connections
3.6.1 Power Feeding Options
• Single phase 220V = 1 220V phase + Neutral
• Two-phase 220V = 1 127V phase + 1 127V phase
• Three-phase 220V = Y: 3 127V phases + Neutral
• Three-phase 380V = Y: 3 220V phases + Neutral
A grounding cable is required for all the above options.
The electric network is set up at the factory according to the internal connections and it
cannot be changed in the field.
If it is necessary to change the transmitter's electric network structure, please get in contact
with Hitachi Kokusai Linear Equipamentos Eletrônicos S/A's Digital Support department
for the corresponding instructions.
If the network structure is changed without previous notice, the transmitter guarantee shall
be suspended.
NEVER change the transmitter's network structure without previous instruction from Hitachi
Kokusai Linear Equipamentos Eletrônicos S/A's Digital Support department. Undue or
mistaken changes could not only endanger the equipment, but also the people operating it.
3.6.2 AC Power Cable Connections
The rack bottom is provided with a hole for the inlet of AC power cables and grounding cable.
GROUNDING
SCREW
Manual Rev. 0.0 - April 2016
: 3 127V phases
ATTENTION
CABLE
INPUT
Figure 3-17
Rack bottom -
Input cables
3-19
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