1 of 7
INTERFACE AND CONTROL WIRING
INSTALLATION NOTES AND
TERMINAL LOCATIONS
013106
B
DESCRIPTION:
DATE:
DRAWING NO:
SHEET:
REVISION:
164201590---7
Installation Information
A-56
EATON
Powerware
®
9390 IAC-B and IAC-T Installation and Operation Manual
S
164201590 Rev C
powerware.com
1.
Use Class 1 wiring methods (as defined by the NEC) for control wiring. The wire should be
rated at 600 volts, 1A minimum and 12 AWG maximum. Use twisted–pair wires for each
input and common. All control wiring is customer-provided.
2.
When installing aux contact control wiring to the IAC interface terminals for standalone
installations, conduit must be installed between the UPS cabinet and the IAC. Install the
control wiring in separate conduit from the power wiring.
3.
Alarms display as Building Alarm 1 and Building Alarm 2 on the UPS Control Panel Display
Screen, unless the alarms are programmed to display the alarm functional name.
4.
Refer to Table U, the following sheets of this drawing, and to Chapter 3 for customer
interface and control wiring for maintenance bypass configuration.
Table U. TB1 Terminals – Maintenance Bypass Configuration
IAC
Terminal
TB1
Name
Description
1
MBP Aux Contact NO
Contacts used to indicate whether IAC MBP is
closed. Contacts are closed when MBP is closed.
2
MBP Aux Contact Common
Terminals TB1–3 through TB–10 are not used.
5.
Refer to Table V, the following sheets of this drawing, and to Chapter 3 for customer
interface and control wiring for parallel redundant without maintenance bypass
configuration.
Table V. TB1 Terminals – 1+1 Parallel Redundant Configuration without Maintenance Bypass
IAC
Terminal
TB1
Name
Description
1
Not Used
2
Not Used
3
MOB 1 Aux 1 Contact NC
Contacts used to indicate whether IAC MOB 1 is
open. Contacts are closed when MOB 1 is open.
4
MOB 1 Aux 1 Contact Common
5
MOB 1 Aux 2 Contact NO
Contacts used for backup control (pull chain) for
parallel operation.
6
MOB 1 Aux 2 Contact Common
7
MOB 2 Aux 1 Contact NC
Contacts used to indicate whether IAC MOB 2 is
open. Contacts are closed when MOB 2 is open.
8
MOB 2 Aux 1 Contact Common
9
MOB 2 Aux 2 Contact NO
Contacts used for backup control (pull chain) for
parallel operation.
10
MOB 2 Aux 2 Contact Common
Summary of Contents for Powerware 9390 IAC-B
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