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95-8533
18.2
EQP2XX0PS(–X) POWER
SUPPLIES AND
REDUNDANCY MODULE
INSTALLATION
WARNING
ALWAYS follow all safety notes and
instructions when installing power supply
or module!
WARNING
Make sure a.c. power is OFF at main a.c.
breaker before beginning power supply
installation!
IMPORTANT
Power supplies require unrestricted air
ow for proper cooling.
MOUNTING
Mount the power supply and Redundancy
Module in a Nationally Recognized Test
Laboratory (NRTL) labeled enclosure. Refer
to the “Specifications” section for mounting
dimensions. Refer to power supply and module
manufacturer's instruction manual provided
with support documentation received with the
EQP system for additional installation details
and instructions.
WIRING
CAUTION
The power supply should be properly
connected to an earth ground! A ground
wire MUST be connected to the power
supply units’s ground terminal!
1
4
C
B
AC BREAKER
DC BREAKER
H
N
G
–
+
24 VDC
OUTPUT
POWER SUPPLY MONITOR
12
11
10
9
8
7
6
5
4
3
2
1
EQ21XXPS POWER SUPPLY
(See Note 9)
–
+
12 VDC
–
+
12 VDC
NRTL DISTRIBUTION CABINET
BATTERY
CIRCUIT
BREAKER
–
+
–
–
–
–
+
+
+
+
POWER DIST CKT #1
POWER DIST CKT #2
POWER DIST CKT #3
POWER DIST CKT #4
NOTES
1. AC INPUT SELECTABLE (THROUGH THE OIS) FOR 120 / 208 / 240 VAC.
2. BATTERY SIZE CALCULATED BASED ON SYSTEM LOAD.
3. CIRCUIT BREAKER SHALL PROTECT AGAINST EXCESSIVE CURRENT LOAD.
4. REMOVAL OF TERMINAL PLUG WITH POWER APPLIED TO TERMINALS
B AND C WILL DAMAGE POWER SUPPLY MONITOR.
5. NRTL DISTRIBUTION CABINET IS KEY LOCKED ENCLOSURE.
6. DASH LINES DENOTE PROTECTION AGAINST PHYSICAL DAMAGE.
E1951
AC MONITOR
BACKUP BATTERIES
AC POWER
See Notes 1 & 3
See Note 3
See Note 2
See Note 4
See Note 10
See Note 6
TERMINAL J1
7. ANY PRIMARY AND SECONDARY POWER SUPPLY UNITS MAY BE INSTALLED
EXTERNALLY TO THE NRTL DISTRIBUTION CABINET, PROVIDED THEY ARE
PROTECTED AGAINST PHYSICAL DAMAGE. ALL DEDICATED BRANCH
CIRCUITS AND CONNECTIONS BETWEEN PRIMARY AND SECONDARY
POWER SUPPLY UNITS AND THE NTRL DISTRIBUTION CABINET SHALL ALSO
BE PROTECTED AGAINST PHYSICAL DAMAGE.
8. SUPERVISION (SINGLE OPENS & GROUNDS) OF THE INTERCONNECTIONS
BETWEEN POWER SUPPLY (24 VDC OUTPUT) TO NRTL DISTRIBUTION
CABINET AND BACKUP BATTERIES TO NRTL DISTRIBUTION CABINET IS
PERFORMED BY EQ2100PSM POWER SUPPLY MONITOR.
9. THE CIRCUIT DISCONNECTING MEANS (AC & DC BREAKERS) SHALL BE
ACCESSIBLE ONLY TO AUTHORIZED PERSONNEL.
10. AC WIRING CABLE MUST BE ≤20 FEET IN CONDUIT.
Figure 3-19— Wiring Connections for a Power Supply Monitor, EQ21XXPS Series Power Supply and Backup Batteries
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