Toshiba 1700 - page 15

TOSHIBA

Battery Backup Time

The exact amount of backup time provided will vary depending on

the UPS model being used, number of batteries, condition of the

batteries and other factors. However, the chart below gives the

times that can be expected from the standard units with batteries in

good condition. For greater backup time, an additional battery

module may be added to the standard unit. Only one additional

battery module may be added to the standard unit. For longer

runtime options contact your Toshiba sales representative or the

Toshiba marketing department at (800) 231-1412 or by e-mail at

toshibaups@tic.toshiba.com.

Table 1

Backup Time*

UPS Model With 1 Battery Module

Full Load / Half Load With 2 Battery Modules

Full Load / Half Load

2000 VA 10 min / 25 min 25 min / 60 min

2400 VA 7 min / 20 min 23 min / 50 min

* Times given are approximate and will vary depending on the age of the batteries, the

battery temperature, the number of previous discharges and the type of load.

Load Shed Function

The 1700 Series includes a load shed function. During battery

backup operation, this function allows the load connected to two of

the receptacles (figure 1, page 9) to be turned off in an effort to

conserve power for more critical loads. The battery level at whic h

these two receptacles will be turned off, or “shed”, can be set by the

user (see “The Function Control Button”, page 16). By default, this

feature is configured so that these two receptacles will remain on f or

the full battery backup time available (no “shedding”)

Battery Recharge Time

The following table gives estimates on time required to recharge the

UPS’s batteries. The recharge time may vary depending on the

battery temperature, the age of the batteries, and other factors.

Table 2

Battery Recharge Time*

Unit With 1 Battery Module With 2 Battery Modules

2000 VA 3 ½ hours 7 hours

2400 VA 3 ½ hours 7 hours

* Recharge times are to 90% full capacity.

Fan Speed

The 1700 Series Rackmount UPS has variable speed fans. The fan

speed will vary depending on a number of factors. As the load