Operation
3.0 Scope
Operation describes EX 5/7/11RT systems characteristics of indicators and controls, modes and specifications and
theory of operating the EX 5/7/11RT. The user procedures include performing software programming that will
maintain smooth performance. Refer to Figure 1.6 for descriptions of circled numbers.
3.1 Initial Startup
NOTE Both AC and DC sources must be present for normal startup of EX 5/7/11RT
systems. If the system is configured for cold start, the AC and DC sources are
required for initial startup only.
1. Check that the manual bypass switch is on Normal position.
2. Set the Normal AC source circuit breaker to the ON position.
3. Set the battery circuit breaker to the ON position.
The load is powered via the Bypass AC source, but not protected by the UPS.
Batteries are recharging, an eight-hours recharge period is necessary to get full backup time.
LED is ON.
Figure 3-1: Initial Startup Display.
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3 — 186-86000-00 B00 Operation
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