beautypg.com

Overcurrent protection, Placing the ups in operate mode – Compaq 2000 User Manual

Page 38

background image

3-8 Compaq 2000 Series UPS Operation and Reference Guide

Overcurrent Protection

Overcurrent protection is provided using the resettable circuit breakers located
on the rear panel. The following models have overcurrent protection:

Table 3-7

Overcurrent Protection

UPS Model

Device

T2000

Circuit breakers for each load segment

T2000j

Circuit breakers for each load segment

T2400h

Input circuit breaker

No protection for load segments

T2400h-NA

Input circuit breaker

No protection for load segments

Placing the UPS in Operate Mode

The 2000 Series UPS may be placed in Operate mode if either of the following
conditions apply:

The UPS is powered up and in Standby mode (LED 16 is off)

The UPS is powered off; no utility power is available

Press and hold the ON button (

2) until the LED 16 (ON LED 1) turns green,

indicating that power is available at the UPS output receptacles. The UPS
acknowledges compliance with a short beep.

IMPORTANT: If using battery power (no utility power present), press the ON button and
hold for three seconds. The UPS will conserve battery power by omitting the self-test.