Summary

Vertiv™ Liebert® PPC Second Generation
15 - 225 kVA Power Conditioning System GUIDE SPECIFICATIONS
1.0	GENERAL

These specifications describe requirements for a complete power conditioning and distribution system, supplying computer-grade power to sensitive loads. The specified system shall provide isolation*, distribution, control and monitoring of AC power. It shall include all equipment to properly interface the AC power source to the intended load.
* Units without a transformer do not provide isolation.
Standards
The specified system shall be designed, manufactured, tested and installed in compliance with:
American National Standards Institute (ANSI)
Canadian Standards Association (CSA)
Department of Energy (DOE)
Federal Information Processing Standards Publication 94 (FIPS Pub 94)
Institute of Electrical and Electronics Engineers (IEEE)
ISO 9001
National Electrical Code (NEC - NFPA 70)
National Electrical Manufacturers Association (NEMA)
National Fire Protection Association (NFPA 75)
Underwriters Laboratories (UL)
The system shall be UL listed as a complete system under UL 60950 Standard for Information Technology Equipment (UL listing applies to 60 Hz units only). 50 Hz units shall comply with EN and the European Low Voltage Directive and be CE marked.
The specified system shall comply with latest FCC Part 15 EMI emission limits for Class A computing devices and the emission and immunity limits of EN50081-2/EN550022 Class A and EN50082-2.
The system shall safely withstand without misoperation or damage:
Transient voltage surges on the AC power input as defined by ANSI/IEEE C62.41 for Category B3 locations (high surge exposure industrial and commercial facilities),
Electrostatic discharges (ESD) up to 10 kV at any point on the exterior of the unit and
Electromagnetic fields from portable transmitters within 3 ft. (1m) of the unit.

SL-20070_REV10_01-23		1	Guide Specifications Proprietary and Confidential © 2023 Vertiv Group Corp.

System Description
Electrical Requirements
Output capacity shall be (15) (30) (50) (75) (100) (125) (150) (200) (225) kVA.
Input voltage shall be (600) (480) (415) (380) (240) (208) ___ volts AC, (60) (50) Hz, three- phase, (three) (four)-wire-plus-ground.
Output voltage shall be (120/208) (220/380) (240/415) ______ volts AC, three-phase, four-wire- plus-ground, wye configuration.
Environmental Requirements
Storage temperature range: -67 to +185°F (-55 to +85°C).
Operating temperature range: +32 to 104°F (0 to 40°C).
Relative humidity: 0% to 95% without condensing.
Operating altitude: Up to 6,600 ft. (2,000m) above Mean Sea Level. Derated for higher altitude applications.
Storage/transport: Up to 40,000 ft. (12,200m) above Mean Sea Level.
Audible noise level: Under normal operation noise level shall not exceed the NEMA ST-20 standard for transformers.
Documentation
Equipment Manual
The manufacturer shall furnish an installation manual with installation, startup, operation and maintenance instructions for the specified system.
Drawings
Wiring diagrams and drawings of major components shall be furnished.
Spare Parts
A list of recommended spare parts shall be supplied at the customer’s request.
User’s List
An in-service user’s list shall be furnished upon request.
Warranty
The manufacturer shall provide a one-year warranty against defects in material and workmanship for 12 months after initial startup or 18 months after ship date, whichever occurs first. Refer to the Warranty Statement for details.
Quality Assurance
The specified system shall be factory-tested before shipment. Testing shall include, but shall not be limited to: Quality Control Checks, “Hi-Pot” Test (two times rated voltage plus 1000 volts, per UL requirements) and Metering Calibration Tests. The system shall be designed and manufactured according to world class quality standards. The manufacturer shall be ISO 9001 certified.

Components

2.0	PRODUCT

Frame Construction and Enclosure
The frame shall be constructed of welded steel to provide a strong substructure. The enclosure shall be mounted on four (4) heavy-duty swivel casters for portability and ease of installation and shall be provided with four permanent levelling jacks for final installation. (The top entry/exit unit shall have a solid top and side vents with provisions for entrance and exit of all input and output cabling through the top of the unit.) (The bottom entry/exit unit shall have a screen top with provisions for entrance and exit of all input and output cabling through the bottom of the unit.) The unit shall have easily removable and interchangeable output cable trays for each panelboard to allow matching of the size and number of cable/conduit openings to the site requirements. A minimum of 72 cable/conduit openings shall be provided for each output panelboard. All service shall be capable of being performed with access to the front plus a choice of any one side or rear for installation flexibility. Retrofitting additional power distribution cables shall require access to the front of the unit only. A tool shall be required to remove the exterior panels, which access the hazardous voltage area of the unit. To ensure grounding integrity and for static protection and EMI/RFI shielding, the removable exterior panels shall be grounded to the frame by way of stranded copper wire. Hinged double front doors shall provide access to the main input circuit breaker and to all output circuit breakers. The color of the exterior panels shall be manufacturer’s standard color, black grey matte. Optional custom-painting to match or accent the Data Processing equipment shall be available.
The unit shall be naturally convection-cooled. No fans for forced-air cooling system shall be used. The convection cooling method shall allow continuous full-load operation without activation of over- temperature circuits. Heat rejection shall be through a screened protective (top on bottom entry/exit) (bottom and top vents on the rear and each side panel on top entry/exit) units, which prohibits entry of foreign material.
The frame shall be configured to accept future field installation of additional bolt-on distribution sections containing additional panelboard and cable tray capacity.
The complete system dimensions shall be a maximum of (32in. [813mm] [15-125kVA]) (44in. [1118mm] [150-225kVA]) wide by 77in. (1959mm) high by 32in. (813mm) deep. The distributed floor weight shall be less than 250 lb./ft2 (1225kg/sq2).
Input Power Connections
An input voltage junction box shall be provided for input power connections. Power terminal blocks or busbar for two-hole lugs shall be provided for connection of the input power conductors and a parity- sized insulated ground conductor. The junction box shall have maximum dimensions of: Width, 22in. (559mm); Length, 38in. (965mm); and Height, 6in. (153mm).
A main input cable shall be provided for connection between the specified unit and the input voltage junction box. The cable shall be 10 ft. (3m) long and shall consist of the appropriate number and size of conductors inside a UL/ULc listed liquid-tight, flexible metal conduit.
The conductors shall be UL/ULc listed, 90°C minimum insulation, copper conductors, sized in accordance with the NEC, based on the main input circuit breaker rating. Both for reliability and per the NEC, no plug-and-receptacle connectors shall be used for the input power cable(s).
Main Input Circuit Breaker
The specified unit shall be equipped with a main input circuit breaker to provide overcurrent protection and a means for disconnecting all power to the unit. The main input circuit breaker shall be a three-pole molded case circuit breaker sized for 125% of the specified full load input current and rated for 600 VAC. The minimum UL-listed interrupting rating for the main input circuit breaker shall be (35,000 [15-

100kVA]) (65,000 [125-225kVA]) RMS symmetrical amperes at 480 volts AC. The main input circuit breaker shall include a 24 VDC shunt trip mechanism to interface with unit controls, EPO buttons and other remote controls as required by the NEC and local codes.
Isolation Transformer
(NOTE: Delete this section or the “Transformerless Configuration.”)
The unit shall contain an electrostatically shielded TP-1 listed isolation transformer with a rating as described in Section 1.3. The transformer shall be a dry-type, double-shielded, three-phase, common- core, convection air-cooled transformer. The transformer shall conform to UL1561, with 302°F (150°C) maximum temperature rise. All transformer windings shall be copper. The transformer shall be energy efficient and shall meet DOE standard TP-1 2016. The transformer shall exhibit the following characteristics: percent impedance, 3.3 to 5.3%; common mode noise attenuation, 120 dB; harmonic voltage distortion, 0.5% maximum additive; full-load efficiency, 96.4 (15kva) to 98.15% (225kva).
The isolation transformer shall be provided with six full-capacity compensation taps at 2-1/2% increments to accommodate field adjustment to match the source voltage. These compensation taps shall be easily accessible by removal of one exterior panel. Tap changes include: two above nominal voltage (upper range limit of +5%), nominal voltage and four below nominal voltage (lower range limit of -10%).
The unit shall be provided with additional thermal overload protection for the transformer. An alarm shall notify personnel if the transformer temperature reaches 356°F (180°C). The unit shall automatically shut down if the transformer temperature reaches 392°F (200°C). Temperature sensors shall be located in each coil of the three-phase windings.
Manual Restart
The specified unit shall be equipped with a manual restart feature to allow for an orderly supervised startup after power failure. The control circuit shall automatically energize the shunt trip mechanism of the main input breaker upon sensing output voltage failure. A field-selectable auto-restart mode shall be provided to deactivate the manual restart if desired.
Emergency Power Off (EPO)
The local EPO shall include a covered “Emergency Power Off” push button. Pressing the EPO switch shall immediately shut down the unit by activating the shunt trip of the main input circuit breaker. As part of the EPO circuit, an interface shall also be provided for connecting one or more normally open or normally closed remote EPO switches to the EPO circuit. For flexibility in meeting shutdown control schemes, the local EPO (unit shutdown) circuit shall be isolated from the remote EPO (room shutdown) circuit. The remote EPO circuit shall be designed to allow direct connection of multiple units with single and multiple shutdown control contacts.
Computer Grade Ground
The specified system shall include a computer-grade, single-point ground in accordance with computer manufacturers’ recommendations, IEEE Std. 1100 and the requirements of the NEC. The transformer output neutral shall be solidly grounded in accordance with NEC Article 250-26. Grounding conductors shall be sized in accordance with IEC 364-HD-384 and applicable national and local codes.
Output Distribution Panelboards
The specified system shall contain (one) (two) vertically mounted output (Square D bolt/plug-in) (GE [bolt-in] [plug-in] ) panelboards for distribution to the intended loads. Each output distribution panelboard shall be individually protected by a main panelboard circuit breaker. Each panelboard shall be totally enclosed with a hinged accent panel that provides access to that panelboard. The panelboard shall have a rating of (400 amperes [Square D or GE 54-pole]) (225 amperes [GE 42-pole]), with an interrupting rating of 22kA (not available @380-415V) RMS at 240/120 VAC. Each panelboard shall provide a total of (42 [GE only]) (54 [Square D and GE]) (72 [Square D only]) single-pole branch circuit

breaker positions. Each panelboard shall include separate isolated neutral and safety-ground busbars for the neutral and safety-ground connections to match the number of output circuits. The neutral busbar and wiring shall be sized for at least 1.73 times the panelboard’s full load rating.
Power Monitoring System
The specified Vertiv™ Liebert® PPC shall be equipped with a microprocessor-based power monitor panel. The monitor panel shall gather and process information from electrical and environmental sensors, relays and switches both internal and external to the unit. The monitored parameters and alarms shall be displayed on the unit monitor panel and shall also be available for communication to a Liebert centralized monitoring system using a two-wire, twisted-pair, low-voltage signal circuit for reliable communication up to 3,280 ft. (1000m). Additionally, the monitor panel shall be equipped with a DB-9 setup port for adjusting parameters and performing diagnostics. Three IntelliSlot ports shall be provided to allow communication to remote monitoring systems using Vertiv™ Liebert® IntelliSlot cards.
Monitored Parameters
The monitoring system shall monitor and display all of the following parameters:
Input Voltage, Line-to-Line for all three phases
Output Voltages, Line-to-Line for all three phases
Output Voltages, Line-to-Neutral for all three phases
Output Voltage Total Harmonic Distortion (THD) for all three phases
Output Current for all three phases
Output Current Total Harmonic Distortion (THD) all three phases
Output Current Crest Factor (Peak/RMS) for all three phases
Output Current Harmonic K-Factor for all three phases
Output Neutral Current
System Ground Current
Output Frequency
Output kVA
Output kW
Output Power Factor
Output kW-Hours
Percent Load
Date
Time
All three phases of the three-phase parameters shall be displayed simultaneously. All voltage and current parameters shall be monitored using true RMS measurements for accurate representation of non- sinusoidal waveforms typical of computers and other sensitive loads.

Alarm Annunciation
The monitoring system shall detect and annunciate by audible alarm and alarm message the following conditions:
Output Overvoltage
Output Undervoltage
Output Overcurrent
Neutral Overcurrent
Ground Overcurrent
Output Voltage Distortion
Frequency Deviation
Phase Sequence Error
Phase Loss
Transformer Overtemp
All alarm thresholds for monitored parameters shall be adjustable by way of the DB-9 setup port to match site requirements. The factory setpoints for the alarms shall be:
Output Overvoltage - voltage exceeds +6% of nominal
Output Undervoltage - voltage falls below -13% of nominal
Output Overcurrent - current exceeds 95% of full load amps
Neutral Overcurrent - current exceeds 95% of full load amps
Ground Overcurrent - current exceeds 5 amps (15-125kVA), 10 amps (150-225kVA)
Output Voltage Distortion - output voltage THD exceeds 10%
Frequency Deviation - output frequency exceeds ±0.5Hz of nominal
To facilitate troubleshooting, all alarms shall be stored in battery-backed (non-volatile) memory until reset to protect against erasure by a power outage. Alarms shall be able to be manually reset after the alarm condition has been corrected either at the unit or with the central monitoring system.
Custom Alarm Annunciation
The monitoring system shall be capable of providing alarm annunciation for up to five contact closures (four N.O. and one N.C.). A custom alarm message up to 20 characters shall be provided for each contact. Alarm messages shall be programmable by way of the DB-9 setup port to match site requirements.
Summary Alarm Contact
A Form C (one N.O. and one N.C.) Summary Alarm Contact shall be provided for remote alarm status. The contacts shall change state upon occurrence of any alarm and shall rest upon alarm silence.
Display
All monitored parameters and alarm messages shall be displayed on a 9.0", backlit, menu-driven, full- graphics, color touchscreen liquid crystal display which shows system information, metering information, a one-line diagram, and active events and includes a covered Emergency Power Off (EPO) switch, power and alarm LED’s, an audible alarm and an alarm silence/reset push button. The display shall be mounted on the front door, the display and switches shall be accessible without opening the door.

The Alarm Silence switch shall be used to silence the audible alarm and reset inactive alarms.
Accessories (Optional Components)
Low Voltage Control Junction Box
A separate low-voltage control junction box shall be provided for connecting all building interface alarms and controls, centralized monitoring and all Remote Emergency Power Off (REPO) switches. The low- voltage junction box shall also contain a 24VDC, DPDT building interface relay for interfacing with environmental systems, alarm panels, etc. The relay contacts shall be rated for use up to 10 amps at 240VAC. The low-voltage junction box shall have maximum dimensions of: Width, 8 in. (203mm); Length, 10 in. (254mm); and Height, 4 in. (102mm).
A low-voltage control cable shall be provided for connection between the unit and the control junction box. The low-voltage control cable shall utilize UL/ULc listed liquid-tight, flexible metal conduit, measuring 10 ft. (3m) long.
Input Lightning/Surge Arrester
The specified unit shall be equipped with a secondary-class surge arrester to divert high-voltage input power surges quickly and safely to ground. The surge arrester shall be mounted ahead of all electrical components to provide maximum protection of the unit insulation and wiring. The surge arrester shall be capable of repeated operations. It shall consist of utility-grade Metal-Oxide Varistors rated for up to 20,000 amps of surge current. The surge arrester shall be rated for maximum FOW sparkover of 200 volts with maximum discharge voltage of 2.2 kV at 1500 amperes, assuming a standard 8 x 20 microsecond waveform.
Output Surge Suppression Module
The unit shall be equipped with a surge suppression module to eliminate high-speed, high-energy transients and to filter high frequency noise. The surge suppression module shall be mounted on the output of the unit. The surge suppressor components shall be UL recognized.
The surge suppressor shall utilize high-energy Metal Oxide Varistors with less than 1 nanosecond response time. The clipping level shall be 212 volts on a system with a nominal peak line voltage of 170 volts and 354 volts on a system with a nominal peak line voltage of 340 volts. Peak current handling capability shall be at least 13,000 amperes based on an 8 x 20 microsecond waveform. Energy absorption capability shall be at least 200 joules per phase.
A passive filter, utilizing metalized polypropylene film capacitors, shall provide normal mode noise attenuation of at least 20 dB from 10 kHz to 1 MHz. The capacitors shall be equipped with an integral, pressure-sensitive interrupter to provide short-circuit current interrupting capability of up to 10,000 amperes at 600 VAC.
Output Vertiv™ Liebert® ACV Surge Suppression
The unit shall be equipped with a high energy, UL1449 and UL1283 listed, Transient Voltage Surge Suppression (TVSS) module connected to the unit output with minimal interconnecting wiring for maximum surge suppression. The TVSS shall consist of multiple, gapless Metal Oxide Varistor (MOV) arrays with their clamping voltages matched to within 1%. Each MOV shall be individually fused to protect against MOV failure while still allowing maximum rated surge current to flow without fuse operation. The fuses shall have a 100 kA interrupting capacity. Each array shall be capable of withstanding at least 1250 IEEE C62:41 category C3 surges (20kV, 10kA) without failure. The complete TVSS module shall have a total surge current capacity of 80 kA per phase based on a standard 8 x 20 microsecond surge waveform. The UL1449 surge clamping rating shall not exceed 400 volts for a 120/208 volt system. The maximum continuous operating voltage shall be at least 150 VAC for a 120/208 volt system. The TVSS shall also provide electrical noise attenuation of 25 dB from 100 kHz to 100 MHz (based on MIL220A and 50 OHM impedance). An alarm contact of the TVSS module shall be connected to the unit monitoring system to annunciate any TVSS failure.

Subfeed Output Circuit Breaker
(One) (Two) three-pole (100)(125) (150)(175)(200)(225)(300)(350)(400) ampere, 240 volts AC rated molded case circuit breaker(s) shall be provided to protect subfeed circuit(s) to an expansion or remote distribution cabinet or other loads. The subfeed circuit breaker shall be rated for 65kA (not available @380-415V) amperes symmetrical minimum overall short-circuit current rating at 240 VAC and shall be powered ahead of the panelboard main breakers on the output of the unit. Each subfeed breaker shall include padlock-off provisions to allow circuit lock-out for safety in accordance with OSHA lock-out/tag- out requirements.
Note: Bottom entry/exit models through 125kVA: one per unit with Square D 72-pole or GE 54-pole panelboard and up to two with 54-pole Square D or 42-pole GE panelboard.
Bottom entry/exit models 150kVA and up: up to two with 54-pole Square D or 42-pole GE panelboard.
Top entry/exit models 150kVA and up: one with 54-pole Square D or 42-pole GE panelboard.
K20-Rated Transformer
Unit transformer shall have a K20 rating in accordance with UL 1561 to allow full load operation with highly nonlinear loads. Transformer neutral shall be sized for at least 200% of full load. The transformer shall be designed to operate with 100% single-phase, switch-mode power supplies and associated harmonic phase and neutral currents without derating.
The transformer shall be energy efficient and meet DOE standard TP-1 2016. The transformer shall exhibit the following characteristics: percent impedance, 3.4 to 4.6%; common mode noise attenuation, 120 dB; harmonic voltage distortion, 0.5% maximum additive; full-load efficiency, 96.4 (15kva) to 98.25% (225kva).
The isolation transformer shall be provided with six full-capacity compensation taps at 2-1/2% increments to accommodate field adjustment to match the source voltage. These compensation taps shall be easily accessible by removal of one exterior panel. Tap changes include: two above nominal voltage (upper range limit of + 5%), nominal voltage and four below nominal voltage (lower range limit of -10%).
The unit shall be provided with additional thermal overload protection for the transformer. An alarm shall notify personnel if the transformer temperature reaches 356°F (180°C). The unit shall automatically shut down if the transformer temperature reaches 200°C. Temperature sensors shall be located in each coil of the three-phase windings.
Remote Emergency Power Off (REPO) Switches
Provisions shall be available for adding multiple REPO switches to meet specific site needs and local codes. The REPO switch shall activate the shunt trip of the main input circuit breaker to shut down the system. Each REPO shall be a covered, normally open, switch in a wall box. REPO switch shall have (50ft. [15.2m]) 100ft. [30.5m] (150 [45.7]) (200ft. [61m]) (250ft. [76.2m]) of 3-conductor cable to connect to the specified system.
Current Plus Monitoring with Display
The Current Plus Monitoring (CPM) shall monitor the current and voltage of the panelboard main circuit breaker and include a 9.0", backlit, menu-driven, full-graphics, color touchscreen liquid crystal display. No mechanical push buttons shall be used to control the interface. Mechanical EPO push buttons are acceptable. The CPM shall display the power parameters and alarms listed below for each panelboard main circuit breaker. The display shall be mounted on the front door, the display and switches are accessible without opening the door.

The following metering parameters shall be displayed:
Voltage
Line-to-Line
Line-to-Neutral
Neutral Current
Ground Current
kVA
Power Factor
Voltage Total Harmonic Distortion (THD)
Current Total Harmonic Distortion (THD)
Crest Factor
Circuit identification and status of each breaker shall be displayed.
The CPM shall detect and annunciate by alarm message the following conditions:
Overvoltage
Undervoltage
Neutral Overcurrent
Ground Overcurrent
Phase Overcurrent
Phase Overcurrent Warning
Summary Alarm
All alarm thresholds for monitored parameters shall be adjustable by way of the DB9 setup port to match site requirements. The factory setpoints for the alarms shall be as follows:
Overvoltage - at least one of the line-to-line voltages exceeds +6% of nominal
Undervoltage - at least one of the line-to-line or line-to-neutral voltages falls below -13% of nominal
Phase Overcurrent Warning - current exceeds 75% of breaker amps
Phase Overcurrent - current exceeds 80% of breaker amps
Neutral Current - current exceeds 95% of breaker amps
Ground Current - current exceeds 5 amps (15-125kVA), 10 amps (150-225kVA) Summary Alarm
Summary Alarm - shall detect and annunciate upon occurrence of any alarm
To facilitate troubleshooting, all alarms shall be stored in non-volatile memory to protect against erasure by a power outage. Alarms shall be manually reset after the alarm condition has been corrected.

Communication
CPM shall have three Vertiv™ Liebert® IntelliSlot ports; up to three Liebert® IntelliSlot cards can be added for customer connections to a Building Management System (BMS) or Vertiv™ Liebert® SiteScan™ monitoring interface.
Vertiv™ Liebert® Distribution Monitoring (LDMF)
The system shall be capable of receive input from branch current sensor modules. Each sensor module shall contain twenty-one 100A current transformers (CT) capsulated in an epoxy filled plastic enclosure designed to mount next to the panelboard. No individual current transformers mounted on a printed circuit board shall be used. Sensor Module shall be designed to work with (Square D) (GE) panelboards.
In addition to monitor the branch circuit breakers the Liebert® LDMF shall monitor the current and voltage of the panelboard main circuit breaker. These measurements are used for reporting the average RMS current, power and other parameters.
The Liebert® LDMF shall report alarm and status conditions for each branch circuit breaker and the panelboard main circuit breaker.
The Liebert® LDMF shall monitor and display the following parameters for the panelboard main circuit breaker and each branch circuit breaker:
Phase Current
Percent Load
kW
kW-Hours
In addition, the Liebert® LDMF shall monitor and display the following parameters for the panelboard main circuit breaker:
Voltage
Line-to-Line
Line-to-Neutral
Neutral Current
Ground Current
kVA
Power Factor
Voltage Total Harmonic Distortion (THD)
Current Total Harmonic Distortion (THD)
Crest Factor
Circuit identification and status of each breaker shall be displayed.
The Liebert® LDMF shall detect and annunciate by alarm message the following conditions:
Overvoltage - panelboard main breaker
Undervoltage - panelboard main breaker
Neutral Overcurrent - panelboard main breaker
Ground Overcurrent - panelboard main breaker

Phase Overcurrent – panelboard main breaker and branch breakers
Phase Overcurrent Warning – panelboard main breaker and branch breakers
Phase Low Current Warning – branch breakers
Summary Alarm
All alarm thresholds for monitored parameters shall be adjustable by way of the service port to match site requirements. The factory setpoints for the alarms shall be as follows:
Panelboard Main Breaker
Overvoltage – at least one of the line-to-line voltages exceeds +6% of nominal
Undervoltage - at least one of the line-to-line or line-to-neutral voltages falls below -13% of nominal
Phase Overcurrent Warning - current exceeds 75% of breaker amps
Phase Overcurrent - current exceeds 80% of breaker amps
Neutral Current - current exceeds 95% of main breaker amps
Ground Current - current exceeds 5 amps Branch Breakers
Overcurrent Warning - current exceeds 75% of breaker amps
Phase Overcurrent - current exceeds 80% of breaker amps
Low Current Warning – Minimum current level of a branch breaker. Summary Alarm
Summary Alarm - shall detect and annunciate upon occurrence of any alarm.
To facilitate troubleshooting, all alarms shall be stored in non-volatile memory to protect against erasure by a power outage. Alarms shall be manually reset after the alarm condition has been corrected. Alarms can be reset through the Vertiv™ Liebert® IntelliSlot card or the Vertiv™ Liebert® LDMF display.
Communication
LDMF shall have three Liebert® IntelliSlot ports; up to Liebert® IntelliSlot cards can be added for customer connections to a Building Management System (BMS) or Liebert® LDMF and Vertiv™ Liebert® SiteScan™ monitoring interface.
LDMF Display
A monochrome liquid crystal display (LCD) with oval bezel that includes power and alarm LEDs, an audible alarm and an alarm silence/reset push button. It will display all the Liebert® LDMF power parameters and alarms listed in Section 2.3.18 for the panelboard mains and branch breakers. A display shall be mounted on the front door, the display and switches are accessible without opening the door.
Subfeed Breaker Monitoring (Requires LDMF Monitoring)
Provide current transformer kits to monitor subfeed circuit breakers rated at (100A) (125A) (150A) (175A) (200A) (225A) (300A) (350A) (400A). The system shall monitor the three phases, neutral and ground of each subfeed circuit breaker.

The Subfeed Breaker Monitoring shall monitor and display the following parameters for each subfeed circuit breaker:
Phase Current
Percent Load
kW
kW-Hours
Voltage
Line-to-Line
Line-to-Neutral
Neutral Current
Ground Current
kVA
Power Factor
Voltage Total Harmonic Distortion (THD)
Current Total Harmonic Distortion (THD)
Crest Factor
Circuit identification and status of each breaker shall be displayed.
The monitoring shall detect and annunciate by alarm message the following conditions:
Neutral Overcurrent
Ground Overcurrent
Phase Overcurrent
Phase Overcurrent Warning
Summary Alarm
All alarm thresholds for monitored parameters shall be adjustable by way of the DB9 setup port to match site requirements.
Summary Alarm
Summary Alarm - shall detect and annunciate upon occurrence of any alarm.
To facilitate troubleshooting, all alarms shall be stored in non-volatile memory to protect against erasure by a power outage. Alarms shall be manually reset after the alarm condition has been corrected. Alarms can be reset through the Vertiv™ Liebert® IntelliSlot card or the Vertiv™ Liebert® LDMF display.
Communication
The Subfeed Breaker Monitoring shall communicate remotely using the Liebert® LDMF and Liebert® IntelliSlot cards.
Liebert® IntelliSlot  IS-UNITY-DP Card
The Vertiv™ Liebert® PPC shall be supplied with an IS-UNITY-DP Card for remote communication using two of the following protocols: HTTP/HTTPS, Emerson Protocol, Email, SMS, SNMP v1/v2c/v3, BACnet

IP/MSTP and Vertiv™ Liebert® Modbus TCP/RTU output. A serial RS-485 two wire connector shall be supplied.
NOTE: Two of the 3rd party protocols (SNMP, Modbus or BACnet) may be configured and used simultaneously. Vertiv™ Liebert® Modbus RTU and BACnet MSTP cannot both be enabled simultaneously.
Vertiv™ Liebert® LDMF and Vertiv™ Liebert® SiteScan™ Monitoring Interface
Monitoring interface module shall allow Liebert® Distribution Monitoring (LDMF) to communicate to Liebert® SiteScan™ Web 4.0 or greater. The interface module shall include software and graphics that support up to 168 branch breakers using an Ethernet connection.
No Monitoring System
The no monitoring system shall have transformer overtemperature and Emergency Power Off (EPO) circuits. All indicators and controls shall be on the front door.
The transformer overtemperature circuit shall include an audible and visual alarm if any internal transformer winding temperature reaches 356°F (180°C). A “alarm silence/reset” switch shall be provided to quiet the audible alarm. The transformer overtemperature circuit shall also trip the main input breaker to remove power automatically when any transformer winding temperature reaches 392°F (200°C).
Isolated Ground Busbar
An isolated ground busbar shall be provided for each panelboard to connect the output cable isolated ground conductor. The isolated ground busbar is in addition to the standard equipment ground busbar.
Branch Circuit Breakers
Each load shall be protected by an individual branch circuit breaker as shown on the plans. Single-pole, two-pole and three-pole (Square D) (GE) (plug-in) (bolt-on) type branch breakers up through 100 amperes shall be utilized. Each branch circuit breaker shall provide overcurrent protection and shall clearly indicate the ON, OFF and TRIPPED positions. All branch circuit breakers shall have a minimum interrupting rating of (10kA) (22kA) RMS at 240/120VAC. Each branch circuit breaker shall be sized in accordance with the NEC and shall be UL/CSA listed. Branch circuit breakers shall have an associated directory label, located adjacent to the breaker, identifying the branch circuit number and the equipment being served.
Output Distribution Cables
The cable supplying each load shall consist of UL/CSA listed liquid-tight flexible metal conduit containing the required THHN copper insulated power, neutral and parity-sized ground conductors. The flexible conduit shall be liquid-tight, insulated and shielded to minimize electrical or mechanical disturbances to the conductors. The length of each cable and the type of receptacle/termination shall be as specified on the detailed cable schedule. Each output distribution cable shall be permanently labeled at each end of the cable with the assigned circuit number and receptacle type, equipment identification and cable length. Each cable shall be thoroughly factory-checked and factory-tested. Tests shall include continuity, phase rotation and a HiPot test at twice rated circuit voltage plus 1000 volts. Each cable shall be a UL listed assembly.
Floor Pedestals
Floor pedestals shall be furnished to level the unit and to provide bottom cabling access without relying on a raised floor for support. The nominal height of the floor pedestals shall be (6in. 152mm]) (12in. [305mm]) (18in. [483mm]) with adjustment for ±3 in. (76mm).
Floor Stand
Floor Stand shall be furnished to support and level the unit and to provide bottom cabling access without relying upon a raised floor for support. The nominal height of the floor pedestals shall be (14in. [356mm])

(18in. [457mm]) (22in. [559mm]) (24in. [610mm]) (30in. [762mm]) (36in. [914mm]) (42in. [1067])
(48in. [1219]) with adjustment for ±1.25 in. (32mm).
Phase Rotation Meter
A hand-held phase-rotation meter shall be included to verify rotation of any three-phase circuit rated 600VAC or less. It shall indicate “ABC” or “ACB” phase rotation.
Certified Test Report
A certified copy of the factory test report shall be provided for each unit.
Factory Witness Test
Emerson shall permit the owner or a representative to witness the factory test of each unit. The factory shall perform its standard witness test to demonstrate that the unit meets the Vertiv™ Liebert® PPC specifications.
Export Crating
Heavy-duty solid wood crating shall be provided to meet international requirements regarding package strength and special markings for overseas shipments.

3.0	EXECUTION
Factory startup, preventive maintenance and full service for the specified system shall be available and included upon request. The manufacturer shall directly employ a nationwide service organization of factory-trained field service personnel dedicated to the startup, maintenance and repair of the manufacturer’s power equipment. The manufacturer shall maintain a national dispatch center 24 hours per day, 365 days per year to minimize service response time and to maximize availability of qualified service personnel.