Liebert® GXT5™
5-10kVA 120/208V Rack-Tower
GUIDE SPECIFICATIONS
1.0	GENERAL
1.1	SUMMARY
This specification shall define the electrical and mechanical characteristics and requirements for a continuous-duty, single-phase, solid-state uninterruptible power system (UPS). The UPS shall provide high-quality AC power for sensitive electronic equipment loads. The UPS is not designed to support large inductive or half-wave rectified loads, for example: motors, compressors, vacuum pumps, electric drills, laser printers and hair dryers.
1.2	STANDARDS
The UPS shall be designed in accordance with applicable sections of the current revision of the following documents. Where a conflict arises between these documents and statements made herein, the statements in this specification shall govern.

Safety
UL 1778 4th Edition and CSA 22.2 No. 107.1 

Emission (Low limits - Conducted and radiated)
FCC Part 15 (Class A) 
CISPR22 Class A (RFI)

Surges
ANSI C62.41 Category B

Transportation and Shipping
ISTA 1E (required for palletized units)

Additional Agency Compliance
NOM (Liebert affiliate in Mexico will pursue the certification) 
WEEE and ROHS2 (6 by 6)
REACH

1.3	SYSTEM DESCRIPTION
1.3.1	Modes of Operation
The UPS shall be designed to operate as a true on-line double-conversion system in the following modes:
A.	Normal - In normal operation incoming AC power shall be fed to the input power factor corrected (PFC) rectifier that converts the AC power to DC power for the inverter. In this mode, power shall also be derived from utility power for the battery charger. The inverter shall derive DC power from the PFC rectifier to regenerate filtered and regulated AC sinewave power for the connected load. The unit shall begin charging the battery once the UPS is connected to utility power, regardless of whether the UPS is ON or OFF. In the event of a utility outage or severe abnormality (sag or swell), the inverter shall support the connected load from battery power until the battery is discharged or the utility power returns, whichever occurs first.
B.	Battery - Upon failure of utility / mains AC power, the critical AC load shall be supplied by the inverter, which obtains power from the battery. There shall be no interruption in power to the critical load upon failure or restoration of the utility / mains AC source.
C.	Recharge - Upon restoration of utility / mains AC power, after a utility / mains AC power outage, the input converter shall automatically restart and resume supplying power to the inverter and the battery charger begins to recharge the battery.
D.	Automatic Restart - Upon restoration of utility / mains AC power, after a utility / mains AC power outage and complete battery discharge, the UPS shall automatically restart and resume supplying power to the critical load and the battery charger automatically recharges the battery. This feature shall be capable of being disabled by the user.
E.	Bypass - The integral bypass shall perform an automatic transfer of the critical AC load from the inverter to the bypass source, in the event of an overload, PFC failure, internal over temperature, DC bus overvoltage or inverter failure conditions.
F.	ECO – The UPS shall allow the user to enable and place the UPS in ECO mode of operation to reduce electrical consumption.  The ECO mode operation shall be an Active type, whereas the UPS will power the connected equipment through the bypass path and the UPS inverter shall be on and operating at no load in order to stay synchronized to the bypass to ensure rapid transfers to inverter power when input power falls outside of the user customizable parameters.  The UPS shall also have a user customizable requalification time that input power must remain within the ECO mode parameters before transferring back to ECO operation.  This is to minimize the number of transfers between bypass and inverter.
1.3.2	Design Requirements
A.	Voltage
Shall operate at either 120/208V or 120/240V by sensing the utility phase angle and configuring the dual inverters to the same angle: 120 or 240 degrees (or) 180 degrees. Nominal input/output voltage specifications of the UPS at rated load shall be:
Input
The UPS shall be able to operate from 120/208V, 50/60Hz (or) 120/ 240V, 50/60Hz without the use of selector switches or voltage taps. Input wiring must be 3-wire plus ground (L1, L2, N, G, with N solid bonded to G at the distribution panel).
Output
Output voltage shall be present at terminals L1, L2 and N. The output voltage shall be 120/208V, 50/60Hz. Voltage measured between L1-N and L2-N: 120VAC ±3%, 50/60Hz; L1-L2: 208VAC ±5%, 50/60Hz. The UPS shall be configurable using the included configuration program to provide the following alternate output voltages:
	120/240V, 127/220V, 115/230V, 110/220V, 100/200V, all voltages 50 or 60Hz. 
If the UPS is started on battery with no input power present, the default output voltage shall be 120/208V, 60Hz from the factory. After the UPS has been started from utility, the output voltage/frequency shall match the last known input voltage/frequency that was applied.
B.	Output Load Capacity
GXT5-10KMVRT6UXLN models:
VA	Watts	PF	VAC Output	
5000	5000	1.0	115 / 120 / 125	
5000	4500	0.9	110	
4750	4275	0.9	100	
10000	10000	1.0	120 / 208, 125 / 220 (120 or 240 degree only), 
115 / 230, 120 / 240 (180 degree only)	
10000	9000	0.9	110 / 220  (180 degree only)	
9500	8550	0.9	100 / 200  (180 degree only)	
GXT5-8000MVRT6UXLN models:
VA	Watts	PF	VAC Output	
4000	4000	1.0	100 / 110 / 115 / 120 / 125	
8000	8000	1.0	120 / 208, 125 / 220 (120 or 240 degree only), 
100 / 200, 110 / 220, 115 / 230, 120 / 240 (180 degree only)	
GXT5-6000MVRT4UXLN models:
Input Connector	VA	Watts	PF	VAC Output	
Terminal
Block	3000	3000	1.0	115 / 120 / 125	
	3000	2700	0.9	110	
	2850	2565	0.9	100	
	6000	6000	1.0	120 / 208, 125 / 220 (120 or 240 degree only), 
115 / 230, 120 / 240 (180 degree only)	
	6000	5400	0.9	110 / 220  (180 degree only)	
	5700	5130	0.9	100 / 200  (180 degree only)	
Plug	3000	2700	0.9	120 / 125	
	2900	2610	0.9	115	
	2750	2475	0.9	110	
	2500	2250	0.9	100	
	6000	5400	0.9	120 / 208, 125 / 220 (120 or 240 degree only), 120 / 240 (180 degree only)	
	5800	5220	0.9	115 / 230 (180 degree only)	
	5500	4950	0.9	110 / 220  (180 degree only)	
	5000	4500	0.9	100 / 200  (180 degree only)	
GXT5-5000MVRT4UXLN models:
VA	Watts	PF	VAC Output	
2500	2500	1.0	110 / 115 / 120 / 125	
2500	2250	1.0	100	
5000	5000	1.0	120 / 208, 125 / 220 (120 or 240 degree only),
110 / 220, 115 / 230, 120 / 240 (180 degree only)	
5000	4500	0.9	100 / 200  (180 degree only)	
C.	Internal Battery
The UPS shall utilize valve-regulated, non-spillable, lead acid cells.
D.	Reserve Time
•	5,000VA: 4.5 minutes
•	6,000VA: 3.5 minutes
•	8,000VA: 6.5 minutes
•	10,000VA: 4.5 minutes
These times shall be at full load with ambient temperature of 77°F (25°C) with resistive loading.
E.	Battery Recharge
The UPS shall contain a three-stage battery charger designed to prolong battery life. Recharge time for UPS internal batteries shall be 5 hours maximum to 90% capacity after a complete discharge into full load.
1.3.3	Performance Requirements
1.3.3.1	AC Input to UPS
A.	Voltage: The point at which the UPS transfers to battery operation shall be dependent on the amount of load that the UPS is supporting. The UPS shall operate from the following voltage ranges without drawing power from the batteries:
Low Line Voltage Range
From 0 to 50%load the low line voltage shall be constant.  
From 51-100% load the low line voltage shall increase at a linear rate.
For loads over 100%, the low line voltage remains constant.
Load	Low Line Voltage	
100% to 51%	L-N Transfer	60 - 90 ± 3.1VAC	
	L-N Comeback	68 - 98 ± 3.1VAC	
50% to 0%	L-N Transfer	60 ± 3.1VAC	
	L-N Comeback	68 ± 3.1VAC	
High Line Voltage Range
High Line Voltage	120/208V Models	
High Line Transfer	149.5 ± 3.1VAC	
High Line Comeback	142.5 ± 3.1VAC	
B.	Frequency: The UPS shall auto-sense input frequency when first powered up and shall operate within the following frequency specifications. UPS shall be capable of cold start with default frequency of 60Hz. Once started the frequency operating window shall be 40-70Hz. Three frequency settings shall be available in the Liebert GXT5 Configuration program: Auto frequency sensing (factory default setting), 50Hz frequency conversion and 60Hz frequency conversion.
C.	Input Power Factor: >0.99 lagging at rated load.
D.	Input Current Harmonic Distortion: THD shall be less than or equal to 3% at linear, full load operation.  THD shall be less than or equal to 5% at nonlinear, full load operation.
E.	Input Current Ratings
UPS Model #	Input	VA	Watt	Hz	VAC	Max Amps	
GXT5-5000MVRT4UXLN	-	5000	5000	50/60	100/173 – 125/217	25	
GXT5-6000MVRT4UXLN	Plug	6000	6000	50/60	100/173 – 125/217	25	
	Terminal Block	6000	5400	50/60	100/173 – 125/217	31	
GXT5-8000MVRT6UXLN	-	8000	8000	50/60	100/173 – 125/217	46	
GXT5-10KMVRT6UXLN	-	10,000	10,000	50/60	100/173 – 125/217	52	
F.	Inrush Current (initial startup, no load):  The UPS shall have a maximum inrush current of 6 times the full load peak input current.
G.	Surge Immunity & Protection:  UPS shall conform to ANSI C62.41, Category B
H.	Surge Protection 
•	MOV (Metal oxide varistors) ratings shall be 190V, 80 Joules minimum connected L1-L2, L1-G and L2-G.
1.3.3.2	AC Output, UPS Inverter
A.	Voltage Configuration
120/208VAC at 120 degrees phase angle factory-default, 50/60Hz, single-phase, 3-wire-plus-ground (L-L-N-G). Optional output voltage settings shall be user-adjustable. Output options shall include 100/200, 110/220, 115/230, 120/208, 120/240, 125/217VAC.
B.	Voltage Regulation
Voltage regulation shall be ± 1% steady state.

C.	Frequency Regulation
 ±3.5Hz synchronized to bypass.  ±0.1Hz free running or on-battery operation.
D.	Frequency Slew Rate
Slew rate shall be 1.0Hz per second maximum.  The slew rate shall be user-selectable for non-parallel units, options to be 0.2, 0.5, or 1.0Hz/S.  For parallel units, the slew rate shall be fixed at 0.2Hz per second.
E.	Voltage Distortion
<2% total harmonic distortion (THD) typical into a 100% linear load, <5% THD typical into a 100% non-linear load.  For parallel units, <3% total harmonic distortion (THD) typical into a 100% linear load, <6% THD typical into a 100% non-linear load.
F.	Load Power Factor Range
The load power factor range shall be 0.65 lagging to 1.0 (unity) leading without power derating.
G.	Output Power Rating
Output power rating shall be 5000VA/5000Watts, 6000VA/6000 Watts, 8000VA/8000 Watts, 10,000VA/10,000 Watts.
H.	Inverter Overload Capability
Overload Percent	Duration Inverter shall support rated load	
105% to 125%	5 minutes	
125% to 150%	60 seconds	
>150%	Minimum of 200ms	
I.	Voltage Transient Response
The transient response of the output voltage with resistor step loading will be +/-5% for input supply from off to on and for a load from 0% to 100% and 100% to 0%.  Transient response in the output voltage with resistor step loading will be +/-4% for input supply from off to on and for a load from 20% to 100% and 100% to 20%.
J.	Transient Recovery Time
To nominal voltage within 60ms.
K.	AC-AC Efficiency: 
The UPS shall be EPA Energy Star Qualified.
•	GXT5-5000MVRT4UXLN: 93% AC –AC at full rated linear load
•	GXT5-6000MVRT4UXLN: 93% AC –AC at full rated linear load
•	GXT5-8000MVRT6UXLN: 94% AC –AC at full rated linear load
•	GXT5-10KMVRT6UXLN:  94% AC –AC at full rated linear load
1.4	ENVIRONMENTAL CONDITIONS
A.	Ambient Temperature
Operating: The ambient temperature range, when UPS is operational, shall be from 32°F to 104°F (0°C to 40°C). There shall not be any degradation in the performance when operating in this range. Automatic derating shall occur for operation in higher ambient temperatures.
Storage: 5°F to 104°F (-15°C to 40°C )
B.	Relative Humidity
Operating: 0 to 95% non-condensing.
Storage:	0 to 95% non-condensing.
C.	Altitude
10,000 ft. (3,000m) max., without power derating when operated within the temperature specified in Section 1.4, Item A. Ambient temperature shall be derated 9°F (5°C) for each additional 1600 ft. (500m) above 10,000 ft. (3,000m).
D.	Audible Noise
The audible noise of the UPS shall be less than 55dBA max when measured at 1 meter from front, sides, or rear.

1.5	USER DOCUMENTATION
The specified UPS system shall be supplied with Safety Instruction & Warning Sheet, WEEE recycling sheet (ISO 14001 compliance), printed copy of quick start guide, printed copy of factory test report. The user manual shall be downloaded from the web and includes installation instructions, a functional description of the equipment with block diagrams, safety precautions, illustrations, step-by-step operating procedures and general maintenance guidelines.

1.6	WARRANTY
The UPS manufacturer shall warrant the UPS against defects in materials and workmanship for three (3) years. The no-hassle replacement warranty shall include shipping costs to the customer site for the new replacement unit and shipping costs from the customer site for the return of the failed unit. Optional two (2) year full coverage extension warranties shall be available from the manufacturer. The manufacturer’s standard and extended warranties shall cover all parts, including the battery.

1.7	QUALITY ASSURANCE
1.7.1	Manufacturer Qualifications
More than 40 years’ experience in the design, manufacture, and testing of solid-state UPS systems shall be required. The manufacturer shall be certified to ISO 9001:2008.

1.7.2	Factory Testing
Before shipment, the manufacturer shall fully and completely test the system to ensure compliance with the specification.
2.0	
PRODUCT
2.1	Fabrication
All materials and components making up the UPS shall be new, of current manufacture and shall not have been in prior service except as required during factory testing. All relays shall be provided with dust covers.  
2.1.1	Wiring
Wiring practices, materials and coding shall be in accordance with the requirements the standards listed in Section 1.2 and other applicable codes and standards. All wiring shall be copper.
2.1.2	Cabinet
The UPS unit shall be composed of: input PFC converter, IGBT inverter, battery charger, input filter and internal bypass circuit; and batteries consisting of the appropriate number of sealed battery cells; and shall be housed in a rack-tower NEMA type 1 enclosure and shall meet the requirements of IP20. The UPS cabinet shall be cleaned, primed and painted RAL 7021 Black. Unit dimensions and weights shall be (rack mount orientation):

Model	Dimensions
W x D x H, in. (mm)	Weight
lb. (kg)	
GXT5-5000MVRT4UXLN	16.9 x 25.6 x 6.8
(430 x 650 x 173)	125.6 (57.0)	
GXT5-6000MVRT4UXLN	16.9 x 25.6 x 6.8
(430 x 650 x 173)	125.6 (57.0)	
GXT5-8000MVRT6UXLN	16.9 x 25.6 x 10.2
(430 x 650 x 261)	224.8 (102)	
GXT5-10KMVRT6UXLN	16.9 x 25.6 x 10.2
(430 x 650 x 261)	224.8 (102)	
2.1.3	Cooling
The UPS shall be forced-air cooled by an internally mounted, continuously operating fan. Fan speed shall be controlled by the UPS from 50% to 100%. Air intake shall be through the front of the unit and exhausted out the rear of the unit.

2.2	COMPONENTS
2.2.1	Input Converter
2.2.1.1	General
Incoming AC power shall be converted to a regulated DC output by the input converter supplying DC power to the inverter. The input converter shall provide input power factor correction (PFC) and input current distortion reduction.
2.2.1.2	AC Input Current Limit
The input converter shall be provided with AC input current limiting whereby the maximum input current is limited to 125% of the full load input current rating.
2.2.1.3	Input Protection
The UPS shall have built-in protection against under voltage, over current and overvoltage conditions including low-energy lightning surges, introduced on the primary AC source. The UPS shall be able to sustain input surges without damage per criteria listed in ANSI C62.41, Category A, Level 3. 
2.2.1.4	Battery Recharge
The UPS shall contain a three-stage battery charger designed to prolong battery life. Recharge time for the internal UPS batteries shall be 3 hours maximum to 90% capacity (full-load discharge rate). There shall be DC overvoltage protection so that if the DC voltage exceeds the pre-set limit, the UPS will shut down automatically and the critical load will be transferred to bypass.
2.2.2	Inverter
2.2.2.1	General
The UPS inverter shall be a pulse-width-modulated (PWM) design capable of providing the specified AC output. The inverter shall convert DC power from the input converter output or the battery into precise sinewave AC power for supporting the critical AC load.
2.2.2.2	Overload
The inverter shall be capable of supplying current and voltage for overloads exceeding 100% and up to 200% of full load current. A visual indicator and audible alarm shall indicate overload operation. For greater currents or longer time duration, the inverter shall have electronic current-limiting protection to prevent damage to components. The inverter shall be self-protecting against any magnitude of connected output overload. Inverter control logic shall sense and disconnect the inverter from the critical AC load without the requirement to clear protective devices.
2.2.2.3	Inverter DC Protection
The inverter shall be protected by the following DC shutdown levels:
•	DC Overvoltage Shutdown
•	DC Under voltage Shutdown (End of Discharge)
•	DC Under voltage Warning (Low Battery Reserve); factory default set at 2 minutes (user configurable 2 to 30 minutes).
2.2.2.4	Output Frequency
An oscillator shall control the output frequency of the UPS. The inverter shall maintain the output frequency to ±0.1Hz of nominal frequency during Battery mode, Frequency Converter mode or when otherwise not synchronized to the utility/mains source.
2.2.2.5	Output Protection
The UPS inverter shall employ electronic current limiting circuitry.
2.2.2.6	Battery Over Discharge Protection
To prevent battery damage from over discharging, the UPS control logic shall automatically raise the shutdown voltage set point; depending on output load and connected battery system at the onset of battery operation.
2.2.3	Display and Controls
2.2.3.1	General
The UPS shall be provided with a microprocessor-based unit status display and controls section designed for convenient and reliable user operation. The monitoring functions such as voltages, currents, UPS status and alarm indicators shall be displayed on a full color graphical LCD display.
2.2.3.2	System 
•	UPS display shall also include LED based system indicators.  The system level indicators shall be: run indicator, and alarm indicator:

•	Indicator	•	LED Color	•	LED State	•	Indication:	
•	Run Indicator	•	Green	•	On	•	UPS has output	
•		•		•	Blinking	•	Inverter is starting	
•		•		•	Off	•	UPS has no output	
•	Alarm Indicator	•	Yellow	•	On	•	Alarm occurs	
•		•	Red	•	On	•	Fault occurs	
•		•	N/A	•	Off	•	No alarm, no fault	

2.2.3.3	Controls
UPS startup and shutdown operations shall be accomplished by using power button on the front panel of the UPS. The display shall be menu driven navigation and use four control buttons for ease of navigation and selection of the configurable parameters.
2.2.3.3.1	Control Buttons
The UPS display control button functionality shall be as follows:
ESC button: This button shall return to the previous menu or abort any change before confirming the change
Up/Left arrow button: This button shall move the cursor up or left, or increase the value displayed when changing parameters.  This button shall also be used to scroll up for navigating the screens
Down/Right arrow button: This button shall move the cursor down or right, or decrease the value displayed when changing parameters.  This button shall also be used to scroll down for navigating the screens
Enter button: This button shall enter the next level menu or confirm the parameter changes
2.2.3.3.2	Display Menu Structure
The UPS display shall have the following menu structure with the following status and configuration screens
2.2.3.3.2.1	 UPS Flow Screen (Default screen)
The UPS flow screen shall be the default screen after system start-up. It shall display an overview screen showing status information, the active (green) power path, and non-working power path (gray). Details in this default screen include operating mode, the input voltage and frequency; output voltage and frequency; battery capacity and estimated battery time remaining; loading percentage.  To prolong display life, the UPS LCD display  will dim and display a screen saver after two minutes of no user interaction if there is no active alarm.  Pressing the ENTER shall wake up the display and this action shall not perform any operation.  If an alarm or fault occurs the display shall also wake up the display.
2.2.3.3.2.2	Main Menu
The main menu shall list 6 submenu selections, from left to right, then top to bottom:
Status
Settings
Control
Log
About
Maintenance
2.2.3.3.2.3	Status
The UPS status screens shall provide the following information:
Input
L-N voltage (V)
L-N current (A)
Frequency (Hz)
Power Factor
Energy (kWh)
Input black count (count of input voltage lost)
Input brown count (count of PFC overload to battery)
Bypass
L-N voltage (V)
Frequency (Hz)
Battery
Battery status
Battery voltage (V)
Battery current (A)
Backup time (min)
Remaining capacity (%)
Discharge count (number of discharges for the battery module)
Total discharge time (min)
Batt running time (day)
Battery replacement time (date of last replacement)
External battery cabinet group No.
Battery average temp (°C)
Battery highest temp (°C)
Battery lowest temp (°C)
Output
L-N voltage (V)
L-N current (A)
Frequency (Hz)
Energy (kWh)
Load
Sout (apparent output power, kVA)
Pout (active output power, kVA)
Power Factor
Load Percent (%)
Time Since Startup
Days / Hours / Minutes
2.2.3.3.2.4	Settings
The UPS Configuration screens shall provide the following customizable parameters: (default values are listed first)
Output
Voltage selection
Startup on Bypass (Enable/Disable)
Frequency Selection  (Auto bypass Enable/Auto bypass disable/50Hz no bypass/60Hz no bypass)
Bypass voltage upper limit
Bypass voltage lower limit
Run mode (normal mode, or ECO mode)
ECO voltage range
ECO frequency range
ECO requalification time
Battery
External Battery AH
External battery cabinet group No. (0-10)
Low Battery time 
Battery replaced time
Battery periodic test enable
Batt. Note duration (month)
Discharge protect time
Equal charge enable
Max charge current
Temperature compensation
Replace Battery
2.2.3.3.2.5	Monitor
Language
Date
Time
Display Orientation (Auto-rotate, rack, tower)
Audible Alarm (enable/disable)
Change settings password
2.2.3.3.2.6	System
Auto restart
Auto restart delay
Guaranteed shutdown
Start with no battery
Remote control
Any mode shutdown auto restart enable
Output contact NO/NC
Input contact NO/NC
Dry contact 5 output (Low battery, On bypass, On battery, UPS fault) 
Dry contact 6 output (Low battery, On bypass, On battery, UPS fault) 
Dry contact 1 output (Low battery, On bypass, On battery, UPS fault) 
Dry contact 2 output (Low battery, On bypass, On battery, UPS fault) 
Sleep mode
IT system compatibility
Outlet Parameter Options
Apply same settings across outlets
Turn on Outlet
Turn on Delay
Outlet Settings Based on Discharging Time
Threshold of turning off the outlet
Turn on when power returns
Outlet Settings Based on Backup Time
Threshold of turning off the outlet
Turn on when power returns
Outlet Settings Based on Capacity
Threshold of turning off the outlet
Turn on when power returns
2.2.3.3.2.7	Control
The UPS shall have  the following controls from the display:
UPS ON/OFF/Bypass
Turn UPS ON 
Turn UPS OFF
Turn ON Bypass (manually transfer to bypass power)
Audible Alarm
Turn audible alarm ON (test alarm)
Turn audible alarm OFF (alarm silence)
Battery Test
Start battery self-test
Clear Faults
Reset Power Statistics
2.2.3.3.2.8	Log
The UPS shall be have an event log to record 255 events and shall be viewable from the display:
View Log
Navigate the event log to view the last 255 events.
Clear Log
User shall be able to clear the event log
The event log once full will begin to replace the first event logged to provide a FIFO process for maintaining event history.  The event history shall record and display the number of events out of the 255 (xxx/255) as well as the time (days, hours, mins) from when viewing the event and the event that occurred.
2.2.3.3.2.9	About
The UPS shall be have an about screen to display the UPS model number, serial number, time since startup,  hardware version, and firmware version
2.2.3.3.2.10	Maintenance
The UPS shall be have the ability to display the network information of the RDU101 SNMP/webcard when installed.  Information available shall be MAC address and IP address

2.2.3.4	Automatic Battery Test
The UPS shall feature an automatic battery test with the factory default test interval set at every 8 weeks. The battery test shall ensure the capability of the battery to supply power to the inverter while loaded. If the battery fails the test, the UPS shall display a warning message to indicate the internal batteries need replaced. The Automatic Battery test feature shall be capable of being disabled or configured to operate every 8, 12, 16, 20, or 26 weeks through the UPS Configuration Program or from the LCD display.
2.3	BYPASS
2.3.1	General
A bypass circuit shall be provided as an integral part of the UPS. The bypass shall have a make-before-break transfer, shall have a maximum detect and transfer time of 4-6 milliseconds and shall be a double-pole device. The bypass circuit shall be designed to ensure the simultaneous transfer of the L1 and L2 poles. The bypass shall be configured to wrap around the PFC converter, battery charger, DC-DC converter, inverter and battery. The bypass circuit shall use the rear-panel mounted UPS input circuit breaker and route bypass power through the UPS input filters and surge suppression circuit. The bypass circuit default position shall be in the Bypass mode (utility).
2.3.2	Automatic Transfers
The transfer control logic shall activate the bypass automatically, transferring the critical AC load to the bypass source, after the transfer logic senses one of the following conditions:
•	UPS overload
•	UPS over temperature
•	PFC failure
•	Inverter failure
•	DC bus overvoltage
Once the overload condition is reduced, the load shall be automatically transferred back to inverter power.  An over temperature requires manual transfer back to inverter power after cooling.
2.4	Internal Battery
Valve-regulated, non-spillable, lead acid cells (VRLA) shall be used as a stored-energy source for the specified UPS system. The internal battery shall be user replaceable and includes a blind-mate style connector located on the rear of the battery kit.  The battery shall be housed internal to the UPS cabinet and sized to support the inverter at rated load and power factor, with ambient temperature of 25°C (77°F) for a minimum of 3 minutes reserve time. The expected life of the battery shall be 3-5 years or a minimum 260 complete discharge cycles. The UPS units have the capability to allow the operator to replace the internal battery.
2.5	Optional External Battery Cabinet
All UPS models shall allow connection of up to six external battery cabinets to provide extended run time capabilities.  External battery cabinets shall match the UPS in aesthetics and color.
2.6	Output Distribution
Output distribution shall be hardwire input/output as standard.  Optional output distribution shall be available to the UPS cabinet and located on the rear of the unit. The optional distribution options shall be available with break-before-make maintenance bypass switch to allow for complete shutdown and isolation of the UPS for service without powering down the connected loads. Output distribution configurations shall be:
5kVA & 6kVA Models:
Distribution Model	Utility Input Connection	Output Load Connections	
PD5-HDWR-MBS	Hardwire Terminal Block
3-wire-plus-ground (L-L-N-G)	Hardwire Terminal Block
3-wire-plus-ground (L-L-N-G)	
PD5-001	NEMA L14-30P
10.5ft (3.2m) cord	NEMA L6-30R, NEMA L14-30R,
(4) 5-20R (T-Slot)	
PD5-002	NEMA L14-30P
10.5ft (3.2m) cord	(2) NEMA L6-20R,
(2) 5-20R (T-Slot)	
PD5-003	NEMA L14-30P
10.5ft (3.2m) cord	(2) NEMA L6-30R,
(4) 5-20R (T-Slot)	
PD5-004	NEMA L14-30P
10.5ft (3.2m) cord	(4) L5-20R (T-Slot), (2) L5-30R	
PD5-005	NEMA L14-30P
10.5ft (3.2m) cord	(4) L5-20R (T-Slot), (2) L6-30R	
PD5-006	NEMA L14-30P
10.5ft (3.2m) cord	(4) L6-20R	
PD5-007	NEMA L14-30P
10.5ft (3.2m) cord	(2) L6-20R, (2) L5-20R	

8kVA & 10kVA Models:
Distribution Model	Utility Input Connection	Output Load Connections	
PD2-101	3-wire-plus-ground (L-L-N-G)	(8) 5-20R (T-Slot), (2) L6-30R	
PD2-102	3-wire-plus-ground (L-L-N-G)	(4) 5-20R (T-Slot), (4) L6-20R	
PD2-103	3-wire-plus-ground (L-L-N-G)	(4) 5-20R (T-Slot), (4) L6-30R	
PD2-104	3-wire-plus-ground (L-L-N-G)	(4) 5-20R (T-Slot), (2) L6-30R, 
(2) L6-20R	
PD2-105	3-wire-plus-ground (L-L-N-G)	(4) 5-20R (T-Slot), (2) L5-30R, 
(2) L5-20R	
PD2-106	3-wire-plus-ground (L-L-N-G)	(4) L5-20R, (4) L6-20R	
PD2-107	3-wire-plus-ground (L-L-N-G)	(4) L5-20R, (4) 5-15/20R	
PD2-108	3-wire-plus-ground (L-L-N-G)	(2) L6-30R, (2) L6-20R	
PD2-109	3-wire-plus-ground (L-L-N-G)	POD with (2) L14-30R	
PD2-200	3-wire-plus-ground (L-L-N-G)	(4) IEC320-C19, (4) IEC320-C13 output sockets	
PD2-201	3-wire-plus-ground (L-L-N-G)	(2) IEC320-C19, (8) IEC320-C13 output sockets	
PD2-202	3-wire-plus-ground (L-L-N-G)	(12) IEC320-C13 output sockets	
PD2-204	3-wire-plus-ground (L-L-N-G)	(2) IEC309-32A, (4) IEC320-C13 output sockets	
2.7	COMMUNICATION OPTIONS
2.7.1.1	Liebert IntelliSlot® Communication
The UPS shall include one Liebert IntelliSlot communication port to allow the operator to field-install an optional Liebert IntelliSlot communication card. A Liebert IntelliSlot card may be installed during any state of UPS operation (On, Standby or Off states). Available Liebert IntelliSlot options are described below.
Liebert Intellislot RDU101 Communications Card
The optional Liebert Intellislot RDU101 card shall deliver SNMP and web access to the UPS via 10/100 Mb/s ethernet port.  This card shall enable remote or local field upgrades of the SNMP firmware, and managed device firmware and configuration updates. This card shall support environmental monitoring via Liebert SN Sensors.
Liebert IntelliSlot Relay Interface Card (IS-RELAY)
The optional Liebert IntelliSlot Relay Interface Card shall provide contact closure for remote monitoring of alarm conditions in the UPS, delivering signals for On Battery, On Bypass, Low Battery, Summary Alarm, UPS Fault and On UPS. The contacts shall be rated for 24VAC or 24VDC at 1A. Connections shall be to a terminal block connector with cable provided by the end user. 
2.7.1.2	Terminal Block Connections
The UPS shall contain on the rear panel a terminal block to provide low voltage signals for On Battery, Low Battery, Any Mode Shutdown and Battery Mode Shutdown
2.7.1.2.1	Any-mode Shutdown
The purpose of Any-Mode Shutdown shall be to shut down the UPS output by turning Off the rectifier, inverter and bypass so that there is no power to the loads. 
Any-Mode Shutdown can be operated locally and remotely, as described as follows:
•	Local Any-mode Shutdown can be entered from the battery mode shutdown device on the back of the unit.
•	Remote Any-mode Shutdown can be initiated by a battery mode shutdown button mounted at a remote location.
Remote Power Off shall be performed either by NO or NC contact of Any-mode Shutdown, depending on the settings in the configuration program.
A current-limited source (+12VDC, 50mA) shall be available from the UPS.
The connection to the UPS for remote connection shall be via terminal block connector.
Any-mode Shutdown wiring shall conform to all national, regional and local wiring regulations.
2.7.1.2.2	Battery Mode Shutdown
•	Battery Mode Shutdown shall permit shutting down the UPS by turning Off the rectifier, inverter and bypass so that there is no power to the load when the UPS is on Battery. Battery Mode Shutdown shall be able to be performed locally or remotely.
•	Local Any-Mode Shutdown can be entered from the battery mode shutdown device on the back of the unit.
•	Remote Any-Mode Shutdown can be initiated by a battery mode shutdown button mounted at a remote location.
•	The actuation of the battery mode shutdown shall be logged as an event in the event history log. 
•	Remote power off shall be performed by a NC/NO contact. 
•	The remote connection shall be provided via terminal block connector. 
•	A 12Vdc, 50mA current limited source shall be available from the UPS for relay drive.  
•	The battery shutdown signal will not cause an immediate shutdown, it will instead start a 2 minute shutdown timer. This timer cannot be stopped once it is triggered. If the utility voltage returns during this count down timer then the UPS will still shutdown and must remain shut down for 10 seconds. The auto-restart setting shall then dictate whether the UPS turns back ON when the power is restored.
•	Battery mode Shutdown wiring shall conform to all national, regional and local wiring regulations.
2.7.1.3	USB Port
The USB communications port (Version 2.0) shall meet the HID Power Device standard, version 1.0 or later. All models shall work with the Power Management system in Microsoft® Windows® XP or later. They shall also support the equivalent functions in Linux, and Mac OSX®.
2.7.1.4	Serial Port
A serial port (RS-232) shall be provided on the rear of the UPS, with an RJ-45 connector.  This connector shall enable use of the Vertiv UPS Command Line Interface.