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Figure 30
Control wiring, Programmable Relay Board
P99
P66
1.
Customer control wiring connection points are Terminals 1 through 12.
2.
Programmable Relay Board option includes eight signal channels with one Form-C dry contact per channel (see Table 12).
3.
All control wiring (by others) must be run separate from power wiring.
4.
Contact ratings: 1A @ 30VDC or 125VAC @ 0.45A
5.
Maximum cable length is 500 ft. (152m) with #16AWG and flexible stranded cable.
6.
All wiring must be in accordance with national and local electrical codes.
Table 12
Programmable Relay Board pinout
Terminal
Block
Channel
Pin No.
CH1
1-3
CH2
4-6
J71
CH3
7-9
CH4
10-12
CH5
1-3
CH6
4-6
J72
CH7
7-9
CH8
10-12
™
Vertiv
| Liebert® EXL™ 625-1100kVA Installation Manual
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12
Normally
Normally
Common
Closed
Open
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
| Rev. 3 | 02/17
J71
J72
43
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