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can add available options and accessories to enhance the performance of your
UPS system. This chapter provides detailed descriptions of some of the features
and options introduced earlier in this manual.
Building Alarm Monitoring
This standard feature lets you connect the UPS to your building alarms, such as
smoke detectors or overtemperature alarms. The terminals for external
connections are located inside the UPS on the customer interface panel
(see Figure 35).
TB1
1
BLDG ALARM 1
2
BLDG ALARM 1 RTN
3
BLDG ALARM 2
4
BLDG ALARM 2 RTN
5
BLDG ALARM 3
6
BLDG ALARM 3 RTN
7
BLDG ALARM 4
8
BLDG ALARM 4 RTN
9
BLDG ALARM 5
10
BLDG ALARM 5 RTN
11
BLDG ALARM 6
12
BLDG ALARM 6 RTN
13
14
15
Figure 35. External Connections for Building Alarm Monitoring
Regardless of how you assign the building alarms, they display as Building Alarm 1,
Building Alarm 2, Building Alarm 3, etc., on the LCD screen of the Monitor Panel. You
should use twisted pair wires for each alarm input and common.
Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio
164201261 Rev. F 111503
Using Features and Options
The many standard features of your UPS provide consistent,
economical, and dependable power protection. In addition, you
TB2
1
REMOTE EPO
2
REMOTE EPO RTN
3
4
ON INV
5
ON INV RTN
6
ON BYPASS
7
ON BYPASS RTN
8
BATTERY CONTACTOR CLOSED
9
BATTERY CONT RTN
10
RELAY 1 NO
11
RELAY 1 NC
12
ALARM RTN
13
RELAY 2 NO
14
RELAY 2 NC
15
NOTICE RTN
RS485
NOTE:
All building alarm inputs or remote
features require an isolated, normally
open contact or switch (rated at 24 Vdc
20 mA minimum) connected between
the alarm input terminal and common
terminal as shown. All control wiring,
relay, and switch contacts are customer
provided.
RS232
(Optional)
n
71
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