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HP R1500 HP 3 Phase UPS User Guide - Page 79

Metering, UPS

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Metering The Output and Load Receptacle meter readings differ between a parallel system and a standalone UPS. In a parallel system, one UPS reads the Load Receptacle value for the total system (the others read zero), but each UPS displays its own Output value. For example, in a two-unit parallel system with one Anderson load connection for 12 kVA, the Load Receptacle current would read 12 kVA on one UPS and zero on the other UPS, but the Output measurement would be 6 kVA on each UPS (half the total). In a standalone UPS, the load can be connected from the outlet cord or the Anderson load connector. The Output measurement would be the total load on the UPS, and the Load reading would be the portion supplied by the Anderson load connector. Communication 79

Section	Page
HP 3 Phase UPS User Guide	1
Abstract	1
Notice	2
Contents	3
Component identification	7
3 Phase UPS overview	7
UPS front panel	8
UPS front panel controls	9
UPS front panel LED indicators	9
UPS rear panel	10
REPO port	10
ERM rear panel	12
UPS installation	13
Precautions	13
Preparing to install the hardware	13
Tools and materials	13
Selecting a site	14
Readying the equipment	14
Installing the mounting rails	14
Installing the UPS	17
Removing the UPS battery bracket	19
Installing the batteries	19
Replacing the UPS battery bracket	20
Attaching the UPS front bezel	20
Connecting the ground bonding cable	20
Connecting the REPO port	21
Connecting to a normally-open contact	21
Connecting to a normally-closed contact	22
Connecting the UPS to utility power	23
Switching on the UPS battery circuit breaker	24
Connecting devices to the UPS	24
Charging the UPS batteries	25
Powering up the standalone UPS	25
Installing in a parallel configuration	26
Installing the input and output wiring	26
Bottom entry	27
Top entry	28
Wiring the terminal block	28
Connecting the ground bonding cable	29
Connecting the REPO port	30
Connecting to a normally-open contact	30
Connecting to a normally-closed contact	33
Connecting the UPSs to the Bus Bar	35
Switching on the UPS input circuit breaker	37
Switching on the UPS battery circuit breaker	37
Connecting devices to the UPS	38
Charging the UPS batteries	38
Powering up the parallel system	39
Adding an HP 3 Phase UPS to a parallel configuration	39
Disconnecting from utility power	39
Installing the UPS	39
Configuring the Parallel UPS Card	41
Removing the UPS battery bracket	43
Installing the batteries	43
Replacing the UPS battery bracket	44
Attaching the UPS front bezel	44
Connecting the ground bonding cable	45
Connecting the REPO port	45
Connecting to a normally-open contact	46
Connecting to a normally-closed contact	48
Connecting the UPSs to the Bus Bar	50
Connecting the UPS to utility power	51
Switching on the UPS input circuit breaker	52
Switching on the UPS battery circuit breaker	52
Connecting devices to the UPS	52
Charging the UPS batteries	53
Powering up the parallel system	53
ERM installation	55
Preparing to install the hardware	55
Tools and materials	55
Selecting a site	55
Readying the equipment	56
Installing the mounting rails	56
Preparing the rails for integrated shipping	58
Switching off the UPS battery circuit breaker	59
Switching off the ERM circuit breaker	59
Installing the ERM	60
Attaching the ERM front bezel	62
Connecting the ERM to the UPS	62
Switching on the ERM circuit breaker	63
Switching on the UPS battery circuit breaker	63
Charging the ERM batteries	63
UPS operations	64
Mimic screen	64
Modes of operation	64
Standby mode	64
Normal mode	65
Standard mode	65
Full-Time Standard mode	65
High Efficiency mode	65
Continuous double-conversion mode	65
Transferring the UPS between Normal modes	66
Battery mode	66
Auto-Bypass mode	66
Transferring the UPS between modes	67
Configuring the UPS	67
Changing the language	67
Changing display functions	67
Menu map for display functions	67
Changing user settings	68
Setting the Battery Low alarm level	70
Running automatic battery tests	71
Testing the front panel display	71
Silencing an audible alarm	71
Verifying the REPO port connection	71
Powering down the standalone UPS	72
Powering down an individual paralleled UPS	72
Powering down the parallel system	73
Communication	74
Installing communication options and control terminals	74
Communication options	75
DB-9 communication port	75
Serial communications port pin assignment	75
Control terminals	76
Relay output contacts	76
Programmable signal inputs	77
Parallel communication	77
Mode transfers	78
Redundant signal wiring	78
Auto-identification	78
Metering	79
Power management	80
HP UPS Power Protection Agent overview	80
Features	80
Maintenance	81
Removing the UPS front bezel	81
Removing the ERM front bezel	81
Replacing the UPS electronics module	81
Replacing UPS X-Slot cards	83
Configuring the Parallel UPS Card	84
Replacing the batteries	87
Important battery safety information	87
Battery care and storage guidelines	87
UPS battery replacement procedure	88
Testing the new battery module	89
Replacing the UPS	89
Replacing the ERM	90
Updating the UPS firmware	91
Verifying the HP UPS Management Module firmware version	91
Configuring a USB to serial converter	91
Reassigning the USB COM ports	92
Troubleshooting	94
LED and audible alarm troubleshooting	94
Silencing an audible alarm	95
Abnormal output voltage at startup	95
Battery breaker	95
Battery connection condition	96
Battery low condition	96
Battery test condition	96
Bypass is unavailable	96
Check Parallel Board condition	97
Configuration error and UPS does not start	97
Phase rotation verification	97
Power is not available at the UPS output receptacle	97
Protected equipment is not on	98
Overload condition	98
Overtemperature condition	98
Redundancy loss due to overload	98
Selective trip	99
Site wiring condition	99
UPS detects software incompatibility	99
UPS does not power down	99
UPS does not power up	99
UPS does not provide the expected backup time	100
UPS does not transfer to Auto-Bypass mode	100
UPS is on battery	100
UPS is on bypass	100
Specifications	101
Model list	101
UPS physical specifications	101
ERM physical specifications	101
Power cord specifications	101
Power Bus Bar and Wireway specifications	102
HP 10642 G2 Rack specifications	102
UPS input specifications	102
UPS output specifications	103
Environmental specifications	103
Battery specifications	104
Battery runtimes	104
REPO port specifications	105
Spares	106
Ordering spares	106
UPS spare parts list	106
Hardware options	106
Support and other resources	107
Before you contact HP	107
HP contact information	107
Regulatory information	108
Safety and regulatory compliance	108
Turkey RoHS material content declaration	108
Ukraine RoHS material content declaration	108
Warranty information	108
Limited warranty	108
$250,000 Computer Load Protection Guarantee	108
Pre-Failure Battery Warranty	109
Electrostatic discharge	110
Preventing electrostatic discharge	110
Grounding methods to prevent electrostatic discharge	110
Acronyms and abbreviations	111
Documentation feedback	112

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Communication 79

Metering

The Output and Load Receptacle meter readings differ between a parallel system and a standalone UPS. In

a parallel system, one UPS reads the Load Receptacle value for the total system (the others read zero), but

each UPS displays its own Output value. For example, in a two-unit parallel system with one Anderson load

connection for 12 kVA, the Load Receptacle current would read 12 kVA on one UPS and zero on the other

UPS, but the Output measurement would be 6 kVA on each UPS (half the total). In a standalone UPS, the load

can be connected from the outlet cord or the Anderson load connector. The Output measurement would be

the total load on the UPS, and the Load reading would be the portion supplied by the Anderson load

connector.