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48 30-200 kW P-164000249
User's and Installation Guide Revision 2
4.6 Wiring parallel 93PM UPS systems
The outputs of multiple 93PM UPS systems can be connected in parallel. Up to four (4) units can
be paralleled. The UPS static bypass power rating needs to be identical among all paralleled units.
However, paralleled UPS cabinets can be housed with different number of UPM power modules.
The outputs are paralleled to increase the load capacity of the power system and for redundancy. The
system is paralleled for (N+1) redundancy, as long as there is always one or more UPS online than
required to support the load. The system is paralleled for capacity if all UPSs in a system are required
to support the load.
Communication is required between the UPSs for system metering and mode control. System level
communication and control are accomplished using a Controller Area Network (CAN). A pull-chain
signal in each UPS, connected to the other UPSs in parallel and tied to the bypass Status Relay in
each UPS, is used for a secondary communication path. This arrangement ensures bypass control
even if the CAN bus is lost.
WARNING
Units with an internal MBS switch may not be connected in parallel.
4.6.1 Power wiring overview
Refer to Chapter 3.2.2 UPS system power wiring preparation on page 30 for recommended cable and
external fuse sizes and installation practices.
Input Feed
The Input feed is defined as the power source connected to the UPS rectifier. The feed to all UPS’s
inputs must be derived from the same source.
Bypass Feed
The Bypass feed is defined as the power source connected to the UPS Bypass. The feed to all UPS’s
bypass must be derived from the same source. The shortest length of power wire from the source to
the UPS must be a minimum of 95 % of the length of the longest wire.
Output
The neutrals of all UPSs must be connected. The shortest length of wire from the source to the UPS
must be a minimum of 95 % of the length of the longest wire. The measurement is with respect to
where the UPS’s outputs are tied.
Dual Source
The Input Feed and Bypass feed may be separate sources. The sources must share a common
neutral.
Battery connection
A separate battery shall be connected to each UPS, and the battery capacity for each UPS must be
identical. A common battery for all UPSs is not supported.
- Eaton 93PM UPS P-164000249 1
- 30-200 kW 1
- Eaton 93PM UPS 3
- Contents 5
- List of Figures 7
- List of Tables 8
- 1 Safety instructions 9
- 2 30-200 kW P-164000249 10
- 1.1 Audience 11
- 1.2 CE marking 11
- 1.3 User precautions 12
- 1.4 Environment 12
- P-164000249 30-200 kW 5 13
- 1.7 For more information 14
- P-164000249 30-200 kW 7 15
- 2 Introduction to Eaton UPS 16
- P-164000249 30-200 kW 9 17
- 10 30-200 kW P-164000249 18
- P-164000249 30-200 kW 11 19
- 12 30-200 kW P-164000249 20
- 2.2 UPS operating modes 21
- 14 30-200 kW P-164000249 22
- Internal relay contacts 22
- P-164000249 30-200 kW 15 23
- 2.2.3 Bypass mode 24
- 2.3 UPS features 25
- 2.3.2 Powerware Hot Sync 26
- 2.4.1 Customer interface 26
- 2.5 Options and accessories 27
- 20 30-200 kW P-164000249 28
- 1. Bypass Input Breaker (BIB) 29
- 2.6 Battery system 30
- P-164000249 30-200 kW 23 31
- 24 30-200 kW P-164000249 32
- 3.2 Site preparations 33
- 26 30-200 kW P-164000249 34
- P-164000249 30-200 kW 27 35
- 28 30-200 kW P-164000249 36
- P-164000249 30-200 kW 29 37
- 30 30-200 kW P-164000249 38
- P-164000249 30-200 kW 31 39
- 32 30-200 kW P-164000249 40
- P-164000249 30-200 kW 33 41
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- P-164000249 30-200 kW 35 43
- 4 UPS system installation 44
- P-164000249 30-200 kW 37 45
- 38 30-200 kW P-164000249 46
- Top cable access kit 47
- 40 30-200 kW P-164000249 48
- P-164000249 30-200 kW 41 49
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- 44 30-200 kW P-164000249 52
- P-164000249 30-200 kW 45 53
- 46 30-200 kW P-164000249 54
- P-164000249 30-200 kW 47 55
- 4.6.1 Power wiring overview 56
- P-164000249 30-200 kW 49 57
- 50 30-200 kW P-164000249 58
- P-164000249 30-200 kW 51 59
- 52 30-200 kW P-164000249 60
- 5 Communication interfaces 61
- 54 30-200 kW P-164000249 62
- P-164000249 30-200 kW 55 63
- 5.3 Signal input monitoring 64
- P-164000249 30-200 kW 57 65
- 6 UPS operating instructions 66
- P-164000249 30-200 kW 59 67
- 6.1.2 Status indicators 68
- 6.2 Steps to operate the UPS 69
- 6.3 Signing in 70
- STARTING 71
- 64 30-200 kW P-164000249 72
- P-164000249 30-200 kW 65 73
- 66 30-200 kW P-164000249 74
- 6.5 UPS control instructions 75
- 6.6 UPM control instructions 76
- P-164000249 30-200 kW 69 77
- 70 30-200 kW P-164000249 78
- Maintenance Bypass 78
- Switch (MBS) 78
- P-164000249 30-200 kW 71 79
- 7 UPS maintenance 80
- 7.2.1 DAILY maintenance 81
- 7.2.2 MONTHLY maintenance 81
- 7.2.3 PERIODIC maintenance 81
- 7.2.4 ANNUAL maintenance 82
- 7.2.5 BATTERY maintenance 82
- 7.4 Maintenance training 83
- 8 Technical data 84
- 8.2 UPS system input 85
- 8.3 UPS system output 85
- 8.4 Battery specification 86
- P-164000249 30-200 kW 79 87
- 80 30-200 kW P-164000249 88
- 9 Warranty 89
- 10 Installation checklist 90
- P-164000249 30-200 kW 83 91
- 11 APPENDIX A: User settings 92
- Setting Description 93
- Table 11-2: Config settings 93
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