Vertiv
|
Liebert
®
PPC
™
User Manual | Rev. 6 | 03/18 |
28
Figure 18
Typical control wiring for units with power monitoring
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
S
B LK
WHT
G RN
R
A
B
7
9
4
6
1
3
Factory-Supplied Wiring
LOW-VOLTAGE TERMINAL STRIP
Building
Interface
Relay
5TH Customer Alarm W214
4TH Customer Alarm W213
3RD Customer Alarm W212
2ND Customer Alarm W211
1ST Customer Alarm W210
Customer Alarm W209
Summary Alarm N.O. W208
Summary Alarm N.C. W207
Summary Alarm COM. W206
N.O. REPO W205
+24 VDC W204
REPO COM. W203
N.C. REPO W202
+24 VDC W201
Remove jumper when
5th cutomer alarm is used
COMM Cable + (RED)
COMM Cable - (BLACK)
To Liebert SiteScan
®
System
Optional
Cutomer
Alarm
Inputs
Summary
Alarm Output
No Monitoring
VPMP
N.O. REPO
N.C. REPO
Remove jumper when normally closed (N.C.)
REPO is used.
FPC15550
Rev. 1
NOTES
1.
All switching devices are to be suitable for switching low current 24VDC. Minimum recommended wire size is 18AWG
stranded copper with 300V insulation.
All wiring and devices are field-supplied except where noted. See installation manual for detailed installation procedures.
2.
Low voltage terminal is located in low-voltage control junction box.
3.
The total load on the 24VDC supply (both N.O. and N.C. REPO circuits) must be limited to 1A.
4.
Multiple normally open (N.O.) REPO switches may be paralleled.
Multiple normally closed (N.C.) REPO switches may be connected in series. All lamps (if used) are connected in parallel.
5.
The summary alarm contacts are rated for 0 to 30VAC or VDC, 0.5A, 10W maximum.
6.
Customer Alarms 1 through 4 are Normally Open (indicates alarm on contact closure). Customer Alarm 5 is Normally
Closed (indicates alarm on contact opening).
7.
For Liebert SiteScan connection, use #22AWG shielded cable; maximum distance 1000 ft. (300m).
Summary of Contents for Liebert PPC
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