Precautions On Design Of Electric Equipment - Sony ZRD-1 Installation Manual

Precautions on Design of Electric Equipment

The equipment design of this system is performed by the qualified engineer.
Design the electric equipment according to the design criteria based on the laws of a country and a region
in which the system is installed.
The construction of power system equipment shall conform to the ordinances and standard of the relevant
country and region. Observe the local laws and ordinances.
System power specifications
. Design the capacity of power for the whole system in consideration of the power load of a display unit.
Items
Power factor
Inrush current
Leakage current
Power capacity required
Three-phase power supply
. Use a three-phase power supply.
. Design the power connection so that the power is evenly supplied to the three phases.
An example of connection is given as reference. Perform the design in consideration of the laws and
regulations of a country and a region in which the system is installed, and the three-phase power balance.
S, T, E
Branch
board
R, S, E
Circuit breaker and branch board
. Install MCB (Molded Case circuit Breaker) having a sufficient current capacity in the circuit breaker in
order to control the inrush current into the display unit.
. Install MCB having a sufficient current capacity in the branch board which connects the power supply
of display unit.
. Place the branch board near the display unit so that you can confirm the output waveforms.
ZRD-1/ZRD-2/ZRCT-100/ZRCT-200
Section 4
Specifications
0.9
70 A (240 V)
0.58 mA (240 V)
(Power consumption x Number of display units)/Power factor
T, R, E R, S, E
600 V CV3.5-3C
S, T, E T, R, E
R: Phase 1
S: Phase 2
T: Phase 3
E: Ground
4-1 (E)