Emerson SmartSwitch - Manual (Page 3)

With separate sections for
power connections and
electronics, Liebert
SmartSwitch can sustain
power to the load even when
the electronics module is
being swapped for service.
Three different configurations allow the unit to be
placed under a raised floor, mounted on a wall or used
in a rack, based on your site needs.
Logic and Power Supplies
Source 1 Source 2 Output
Connections and
Bypass Section
Hot-Swap
Electronics Section
3.76"
COVER
PLATE
STATUS CONTACTS CONNECTOR
RS-232 CONNECTOR
11.1"
10.7" 2.5"
AIR EXHAUST AREA
DO NOT BLOCK
8.0" 8.0" 2.0"
.75"
20.0"
51
51
52
52
ALTERNATE SOURCE PREFERRED SOURCE
INPUT, OUTPUT
AND CONTROL
CONNECTIONS
LOCATED BEHIND
REMOVABLE
ACCESS DOORS
INPUT SOURCE 52 SOURCE 51
M C B A M C B A M C B A DO DO DO
Bypass Switch
Transfer Control
NORMAL
MAN.
XFER
51 MAN.
XFER
52
BYPASS
TO 51 BYPASS
TO 52
BYPASS / TRANSFER SWITCH
(LOCATED BEHIND KEYLOCK COVER)
25.4"
25.4" 26.9"
LED SWITCH STATUS
INDICATORS AND LABELS
REMOVABLE "HOT-SWAPPABLE"
ELECTRONICS MODULE
KEYLOCK LATCH
0.28" (7MM)
(6 MTG. HOLES)
2.25"
2.25"
3.15"
1/2" KNOCKOUT
0.88" (22mm)
(3 PLACES)
AIR INTAKE
2 SIDES
TOP VIEW
FRONT VIEW
RIGHT SIDE VIEW
BOTTOM VIEW
18.3" (465mm)
19" (483mm)
17.25"
(438mm)
20.4"
(518mm)
NORMAL
MAN.
XFER
51 MAN.
XFER
52
BYPASS
TO 51 BYPASS
TO 52
BYPASS / TRANSFER SWITCH
(LOCATED BEHIND KEYLOCK COVER)
KEYLOCK LATCH
1/2" KNOCKOUT
0.88" (22mm)
(TYP. 8 PLACES)
REMOVABLE
"HOT-SWAPPABLE"
ELECTRONICS
MODULE
18.5"
(469mm)
3.5" (88.9mm) 5.20"
(132mm)
0.85"
(21.5mm)
INPUT & OUTPUT
CONNECTIONS OUTPUT
RECEPTACLE
STATUS CONTACTS
CONNECTOR
RS-232 CONNECTOR
0.279" (7mm) x
0.406" (10mm) SLOT
(4 SLOTS)
LED SWITCH STATUS
INDICATORS
11"
(279mm)
"HOT-SWAPPABLE"
ELECTRONICS 20"
(508mm)
20"
(508mm)
51 52
51 52
PERFERRED SOURCE ALTERNATE SOURCE
INPUT CONNECTIONS
OUTPUT RECEPTACLE
RELAY
CONTACTS
& RS-232
PORT
WALL MOUNT
RACK MOUNT
UNDER FLOOR
Convenient, from selection to maintenance.
■ Choice of output receptacles and connector is
available to match your load specifications, simplifying
system installation and setup.
■ Selectable preferred input feature allows you to
determine the normal and alternate power source
of your choice without rewiring or load shutdown.
■ Integral maintenance bypass to both input sources
provides a safe and fast solution to servicing the
Liebert SmartSwitch without disturbing your
protected equipment.
■ Hot swappable electronics module and bypass
feature allow your protected equipment to remain up
and running, even when the Liebert SmartSwitch
module is being replaced or serviced.
■ LED indicators provide at-a-glance operating status.
Eight output contacts are available for remote status
indication. RS232 ASCII communications port allows
setpoint control and remote monitoring.
■ ETL Listed to UL Standard 1008 for safety.
■ CE Mark (50 Hz) — complies with EMC and low voltage
directives.
3
Liebert SmartSwitch includes
manual transfer test capability
to assure continued proper
operation. The unit is available
with your choice
of receptacles and
connector,simplifying
installation and setup.
LED indicators provide at-a-glance
operating status. Eight output contacts
are available for remote status indication.
RS232 ASCII communications port allows
setpoint control and remote monitoring.
Hot swappable
electronics module
and bypass feature
allow your protected
equipment to remain
up and running, even
when the SmartSwitch
is being serviced.