MITSUBISHI
ELECTRIC
7011A SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
3-3
MITSUBISHI ELECTRIC 7011A SERIES UPS
3.3 PROCEDURE FOR CABLE CONNECTION
(Refer to Table 3.2 for cable sizes.)
1) Confirm the capacity of the UPS being installed. Identify the field terminal blocks as shown in
the appropriate Figure 3.2 or Figure 3.3-Figure 3.5.
2) Referring to Figure 3.4-Figure 3.5., connect the grounding conductors from the input service
entrance to the UPS ground bar.
3) Confirm that an external input circuit breaker sized to protect both the rectifier input and the
bypass lines is installed. Consult equipment nameplate for current ratings.
4) Connect the AC power source cables from the input service entrance to the UPS” INPUT
power terminals identified as L1, N, and L2 in Figure 3.3-Figure 3.5. Input cables must be
sized for an ampere rating larger than the maximum current capacity of the UPS. Refer to
Table 3.2 for recommended cable sizes.
5) Refer to Table 3.2 for recommended cable sizes. Referring to Figure 3.3-Figure 3.5, connect
UPS OUTPUT load terminals L1, N, and L2 to load distribution panel.
6) UPS equipment does not employ AC output overcurrent protection or disconnection devices
and must be provided at installation.
7) UPS equipment does not employ DC input overcurrent protection or disconnection devices
and must be provided at installation.
8) Connect external signal terminal block as needed. Refer to section 2.3 and Figure 2.9 for
functional description. 12 AWG or less, shielded conductor is recommended.
9) Connect external Battery
Refer section 3.4.1.
10) Connect internal battery connector(s).
CAUTION:
UPS power terminals are supplied with stud type fittings. It is
recommended that compression lugs be used to fasten all
input/output power cables. Refer to Table 3.3 for recommended
compression lugs and appropriate crimping tool
