APC 9000 Connection of auxiliary circuits on the remote relay board, XR1 XR2 XR3 XR4

Installation

2.8 Connection of "Media Contacts 9" standard auxiliary circuits (figure 16)

The standard auxiliary circuits of the rectifier-inverter and Static Switch Cubicles are connected to the remote relay board by 4 connectors (see the location of this board in the figures of the previous section).

–recommended cable cross-section: 1 mm2 (use a shielded cable to connect the battery cell);

–the male connectors that fit the female connectors on the board (XR1 to XR4) are supplied;

–the contacts are volt-free and are shown in the diagram under the following conditions: UPS on, contact at rest;

–contact breaking capacity: 250 V, 5 A.

Connection of auxiliary circuits on the remote relay board

1		12	1	12	1	12	1	12
remote
relay board
		XR1		XR2		XR3		XR4
connector XR1		output signals:
	1	low battery shutdown warning (1)				(1) for:
	2
	3					– single-unit UPS cubicle,
						– modular UPS cubicle,
	4
		low battery shutdown warning (1)				– parallel UPS cubicle with SSC.
	5					(2) for:
	6
						– single-unit UPS cubicle,
	7
						– modular UPS cubicle,
	8	load on battery (1)
						– parallel UPS cubicle with SSC,
	9					– Static Switch cubicle.
	10	load on battery (1)
	11
	12

connector XR2

connector XR3

1

2

3

4

5

6

7

8

9

10

11

12

1

output signals:

load on inverter (2)

load on inverter (2)

general alarm (2)

general alarm (2)

input or output signals:

+12V

2

3

4

5

6

7

8

9

maintenance position (2)

maintenance position (2)

shielded cable (2 twisted telephone pairs)

battery cubicle (1)

XR1 terminal block

3battery circuit breaker QF1

4 opening command

24 V DC

-12V

connector XR4

temperature signal

power -12V

supply +12V earth

earth

10

11

12

1

2

3

4

5

6

7

8

9

10

11

12

battery circuit breaker QF1 opening command (1)

input or output signals:

battery room ventilation fault (1)

and/or harmonics filter temperature fault

connection with the optional electronic board for measuring battery temperature (1)

emergency shutdown button contact (jumper if not used) (1)

	battery circuit
1
	breaker QF1
2
	closing command

harmonics filter cubicle

XR1 terminal block

1	temperature
2	monitoring of
	the harmonics

filter inductor

Fig. 16

34006451EN/AC - Page 22