SDU Series Instruction Manual • 14
English version
13.0 Conditions for Safe Use of SDU 500 & 850
NOTE:
Applicable for U.S. only.
Considerations shall be given to the following:
1.
The equipment shall be installed in compliance with the enclosure, mounting,
spacing, casualty, and segregation requirements of the ultimate application.
2.
The equipment has been judged on the basis of the required spacings for
use in Overvoltage Category III and Pollution Degree 3 and in the Second
Edition of the Standard for Uniterruptible Power Supply Equipment, UL 1778,
par. 23 and table 23.1, which would cover the component itself if submitted
for unrestricted listing.
3.
The suitability of grounding connection shall be determined in the end-use
product.
4.
The equipment is provided with means for permanent mounting, the suit-
ability of assembly shall be determined in the end-use product.
5.
Equipment is considered acceptable for use in a maximum ambient of 50°C.
6.
The equipment inside live parts are energized from the battery supply even
when the input ac power is disconnected.
7.
For CNR investigation, total harmonic distortion of 44.8% and maximum
single harmonic of 33.1%.
8.
The equipment was investigated under 20 amperes branch circuit in accor-
dance with the National Electrical Code, ANSI/NFPA 70, to reduce the risk
of fire, connect only to a circuit provided with 20 amperes maximum branch
circuit over current protection.
9.
Use No. 18 AWG, 90°C copper wire and 9 lb.-in. Torque force when
connecting to terminal block.
10.
Polarity Identification in UPS unit for filed wiring terminals: Provided with
label adjacent to the unit supply connections. See below for details.
Input
Output
N
L
N
L
