Liebert 3000 manual 4.5.2Water Detection Display, Installation—LT750DIP Switch Settings

System Performance with Advanced Microprocessor Controls

Figure 5 Analog input jumpers

ENLARGED AREA Analog input jumper location

4.5.2Water Detection Display

The water detection display is designed to graphically display the location of water under a raised floor when connected to an LT750 water detection system. The graphical floor plan screen shows a 30 x 16 grid. Each square represents one standard floor tile (approximately 2 ft. x 2 ft.).

Installation—LT750 DIP Switch Settings

Install the LT750 following the instructions in the LT750 user manual. The following additional switch selections should be made when connecting to an Advanced Microprocessor control:

•DIP SW3-4—Off-(water alarm relay energizes for alarm)

•DIP SW3-5—Off-(cable fault relay energizes for alarm)

•Switch 1—Off-(LT750 sources power for 4-20 mA loop)

Figure 6 Connecting the LT750

TB6	2	-
		+
	1
TB5	3	NO
	2	NC
fault	1	C
	3	NO
TB4		NC
	2
water	1	C
LT750

4 1

4 2

4 3

4 4

4 5

4 6

4 7 4 8

2 4

5 0

5 1

5 5 5 6

Environmental Unit

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