Operating Procedures; Figure 5-12 Circuit Protectors Location - Toshiba G2020 Series Installation And Operation Manual

5.4

OPERATING PROCEDURES

NOTE: To avoid inadvertently placing the UPS online or offline the START and STOP switches must be pressed and
held for a period of several seconds to execute the command.
 START – Press and hold the START switch for approximately 2 seconds.
 STOP – Press and hold the STOP switch for approximately 5 seconds.
For Parallel Operation system, refer to section "E) MMS Start-up Procedure".
(Parallel Operation system is herein after referred to as a MMS [Multi Module System])
On-screen guidance for Starting and Stopping the UPS can be obtained by pressing the
A) Start-up Procedure
Before the UPS startup, the internal Bypass line starts to supply the unconditioned bypass
input power to the load if the External input (or Bypass) Circuit Breaker is closed. Be
!
extremely careful with closing the External input (or Bypass) Circuit Breaker.
Confirm the position of the circuit protectors (CPMC, CPMS and EMB) located at the upper
right part of the cabinet (Figure 5-12).
NOTE
1) CPMC and CPMS: ON;
2) EMB: OFF.
a.) Verify the Battery Disconnect Circuit Breaker (CB2) is open or in the tripped position. (user supplied)
b.) Verify the External Input /Bypass Circuit Breaker for each unit is closed. (user supplied)
c.) If a dual source is feeding the UPS, close the External AC Input Circuit Breaker manually (user supplied).
d.) The LCD panel boots up automatically and opens up in the "MAIN" Tab; the Converter and Inverter will start
automatically (Figure 5-13).
NOTE: On the initial startup of the G2020, both the Bypass (52S) and the Inverter (52C) contactors will be
open (Figure 5-13b). After the initial startup, the UPS will subsequently startup in Bypass mode (Figure 5-17).
e.) FOR GUIDANCE IN STARTING THE UPS, select "OPERATION" tab on the LCD panel, then press the
"STARTUP GUIDANCE" icon (Figure 4-3) and follow the on-screen directions to continue UPS start-up ( Figure
4-4 ). (The directions are the same as given in the following steps.)
OR remain on the "MAIN" tab and continue with step f).
54
OPERATION tab icon.

Figure 5-12 Circuit Protectors Location

G2020 Series UPS Installation and Operation Manual – 94861-004
CPMC CPMS EMB