Led Diagnostics - Emerson SolaHD SDU AC B-Series User Manual

6

GREEN MODE

The Green mode is only for 230V models only. By default, Green Mode Enabled. If the load level is less than

approximately 8% ~ 12%, the UPS will shut down to save battery in 3 minutes. If power is restored within 3

minutes the UPS will return to AC mode. Green Mode can be ENABLED or DISABLED by pressing the POWER

ON/OFF at start-up shown on below table.

Green Mode

Enabled

Disabled

7

REMOTE ON/OFF

•

Allows the user to perform remote power ON/OFF functions using a switch on terminals (non-polarized) to

toggle ON/OFF state.

•

To Enable the UPS, close the switch that is connected to the terminals.

•

To Disable the UPS, open the switch that is connected to the terminals.

Condition

Description

BACK-UP MODE UPS is in back-up mode due

to AC Loss

Normal condition source

AC MODE

supplied by AC Mains

Load around 105% of rated

capacity

AC MODE

Load > 120% of rated c apacity

OVERLOAD

Load > 130% of rated

c apacity

Load around 105% of rated

capacity

Load > 120% of rated

BACK-UP MODE

OVERLOAD

capacity

Load > 130% of rated

capacity

LOW BATTERY

Low Battery Charge

Alarm Signal

Press Power ON/OFF button and release until "3 beeps"

Press Power ON/OFF button and release until "2 beeps"

Remote Enable/Disable of UPS

SDU-B Remote

ON/OFF Switch Wired

UPS-B

UPS-B

Remote ON/OFF Terminals: Shorted (closed) for ON, Open for OFF Non-Polarized terminals.

No external voltage is required. We recommend using stranded UTP (Unshielded Twisted Pair)

wire for connections.

LED

YELLOW

GREEN

GREEN/RED

GREEN/RED

GREEN/RED

YELLOW/RED

YELLOW/RED

YELLOW/RED

YELLOW

Table 1 Diagnostics LED/Alarms

UPS Condition/State

Switch or Terminal Condition

ON

OFF

Alarm

Slow beeping. UPS sounds until

AC utility power recovers.

No Alarm

Alarm is ON during overload (if

overload exceeds 105% of nominal

at 5mins, 120% at 10s, and 130% at

3s) and enters retry mode every

10mins, until load is removed. UPS

will not shut down.

Alarm is ON during overload (if

overload exceeds 105% of nominal

at 20s, 120% at 10s, and 130% at 3s)

and enters retry mode every

10mins, until load is removed. UPS

will not shut down.

During back-up mode when the

battery charge runs low, the UPS

beeps rapidly (ON 0.5 seconds, OFF

0.5 seconds) until the UPS shuts

down or returns to AC Mode.

SDU AC B-Series

A272-353 Rev. 1 2/2021

11 |

P a g e