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Preventive maintenance, Reventive, Aintenance – RLE LD1500 V.3.1 User Manual

Page 47

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LD1500 User Guide

47

A

P P E N D I X

C

HAPTER

0

P

REVENTIVE

M

AINTENANCE

Follow these steps monthly to test the system and ensure that the control panel is functioning

properly:

1

Place water on the cable.

2

Verify the Leak Detected alarm through the Web interface or BMS.

3

Compare the distance reading on the LD1500 to a reference map (if available) to verify that

the LD1500 displays the correct leak location.

4

Dry the cable and verify that the LD1500 returns to normal.

5

Remove the End-of-Line terminator (EOL).

6

Verify the Cable Break alarm through the Web interface.

7

Reinstall the EOL.

8

Verify that the LD1500 returns to normal.

Monitor the cable current monthly to verify that the cable is not being contaminated. The

LD1500 will alarm on cable contamination if the contamination is excessive.

From the LD1500 Web interface, verify that the Cable Current is less than 25

μ

A. If the

cable current is greater than 25

μ

A, it is recommended to troubleshoot the cables to

determine which cable is contaminated. The contaminated cable should be removed,

cleaned, retested and reinstalled.