Mitsubishi Electric 1100A Series Owner Technical Manual page 22

Description of UPS parts, referred to in Figure 1.4 to Figure 1.7:
LCD Touch Panel Monitor Display
1.
The liquid crystal display (LCD) touch panel monitor display indicates power flow, measured
values and fault and error messages via user selectable display screens.
Refer to FIGURE 2.1 for details.
Maintenance Bypass Switch
2.
This switch activates the bypass power supply for emergency reasons if the UPS is turned
off.
AC input, AC output, DC input terminal
3.
Refer to Figure 3.9 for details
Grounding Bar (E)
4.
"RESET" switch (FOR SERVICE PERSONNEL ONLY)
5.
This switch resets errors resulting from alarm conditions.
"IL" switch (FOR SERVICE PERSONNEL ONLY)
6.
This switch inhibit to start UPS.
"MAINTENANCE" switch (FOR SERVICE PERSONNEL ONLY)
7.
This switch sets the UPS menu parameters.
"LOAD ON BYPASS" switch (FOR SERVICE PERSONNEL ONLY)
8.
This switch is used to transfer the UPS from inverter to static bypass for maintenance
purposes. Do not operate it under normal operation. Transfers will be locked-out if the
bypass voltage is more than 10% of nominal. Uninterrupted switching is made at the time
of synchronous operation. Switching is impossible at the time of asynchronous operation.
"LOAD ON INVERTER" switch (FOR SERVICE PERSONNEL ONLY)
9.
This switch is used to transfer the UPS from static bypass to inverter for maintenance
purposes.
10. External communication RS232C connector (Figure 1.7)
Refer to FIGURE 2.25 for details.
11. External contact signal terminal block (Figure 1.7)
Terminal block to connect contact signal input/output lines to and from external dry contacts.
Refer to FIGURE 2.21 and FIGURE 2.22 for details.
1100A SERIES UPS
OWNERS / TECHNICAL MANUAL
MITSUBISHI ELECTRIC 1100 SERIES UPS
Page Number:
1-16