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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide The information contained in this document is subject to change without notice and may not be suitable for all applications. While every precaution has been...
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide Important Safety Information IMPORTANT! This manual contains important safety instructions that must be followed during the installation and maintenance of the UPS and batteries. Read this manual thoroughly and the safety and regulatory information, available at https://www.vertiv.com/ComplianceRegulatoryInfo, before attempting to...
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Vertiv™ | Liebert® PSI5 120 V Input / 120 V Output & 208 V lnput / 208 V Output Installer/User Guide 1 PSI5 Description The Liebert® PSI5 is a line-interactive UPS designed for IT applications such as network closets and small data centers.
Vertiv™ | Liebert® PSI5 120 V Input / 120 V Output & 208 V lnput / 208 V Output Installer/User Guide 1.3 Front Panel NOTE: For detailed descriptions of the LCD, see Display Panel Indicators on page 19. Figure 1-7 Controls and Display on 2U and MT Models...
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide MT models • UPS • Quick installation guide • Safety and regulatory statements • USB type A to B cable 2.2 Unpacking and Inspection Unpack the UPS and conduct the following checks: •...
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide Tower Installation When using the UPS in a tower configuration, see Figure 2-1 below. If you have an external battery, see Figure 2-2.
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide Rack-Mount Installation CAUTION: Do not use the mounting brackets to lift the unit. Use the mounting brackets only to secure the UPS to the rack.
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide ITEM DESCRIPTION Attach the rack ears with four rack ear screws to the front right and left sides of the external battery. Attach two fixing studs to each rail. Select the desired U position and position the rails onto the rack using the fixing studs.
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 2.5 Connecting Loads The UPS has non-programmable and programmable outlets. Plug your critical equipment (such as computer, monitors, etc.) into the non-programmable outlets and your less-critical equipment (such as printers and other less-often used peripherals) into the programmable outlets.
Connect to next external battery 2.10 Network Communication Card Connection (Optional) Advanced monitoring and simple control of the PSI5 can be done with the use of a Vertiv Liebert IntelliSlot Unity Communications card. Visit www.vertiv. com/intellislot for additional information. To install the card: 1.
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 2.11 Connecting AC Input CAUTION: For 1U and MT UPS models, to reduce the risk of fire, connect only to a circuit provided with 20A maximum branch circuit over current protection in accordance with the National Electrical Code, ANSI/NFPA 70 and the Canadian Electrical Code, Part I, C22.1.
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 3 Operation 3.1 Modes of Operation 3.1.1 Off Mode The UPS input is plugged into a stable, nominal source, but the outlets are turned off. The internal batteries are charging.
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 3.1.8 Controls Figure 3-1 Display and Buttons on the front panel of 2U and MT units Figure 3-2 Display and Buttons on the front panel of 1U units...
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 3.2 Display Panel Indicators NOTE: The display automatically powers off to conserve power. Press any button quickly to wake the display. Figure 3-1 on page 18, shows the LCD on the front panel of the UPS.
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide ICONS AND DISPLAY DESCRIPTION Settings menu. See Configuring UPS with the Settings Menu page 23. Audible On/Battery mode alarm silenced UPS output load in 25% increments...
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide ITEM DESCRIPTION TROUBLESHOOTING Charge the UPS battery for at least 12 hours or replace the battery; see Replacing the UPS Battery replacement Batteries...
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide 3.7 Normal Shutdown 1. Press and hold the power button for 2 seconds. The outlets are turned off. 2. Disconnect AC input power.
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide Table 3-6 Setting Numbers and Options SETTING NUMBER SETTING OPTIONS Nominal voltage setting. Set the nominal system voltage to match the input voltage of the UPS. This setting affects the buck/boost/on-battery transfer points and sets the output voltage in Battery mode.
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide SETTING NUMBER SETTING OPTIONS Set the sensitivity of acceptable input voltage quality. When distortion or disturbances are detected on the input voltage, the UPS protects the plugged-in equipment by switching to Battery mode. The lower the sensitivity setting, the less frequently the UPS switches to battery, but the more distortion and noise may be passed through to the plugged-in equipment.
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The PSI5 charges the batteries continuously when it is connected to input power. If the PSI5 will be stored for a long time, Vertiv™ recommends connecting the UPS to input power every 4 to 6 months for at least 2 hours for LI models and 24 hours for lead acid models to ensure full recharge of the batteries.
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10. Press and hold the power button for 3 seconds to initiate the Battery-Self Check mode clearing any previous battery fault warning. 11. Properly dispose of the old batteries at an appropriate recycling facility or return them to Vertiv™ in the packing material from the new batteries.
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6. Press and hold the power button for 3 seconds to initiate the Battery-Self Check mode clearing any previous battery fault warning. 7. Properly dispose of the old batteries at an appropriate recycling facility or return them to Vertiv™ in the packing material from the new batteries.
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Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide Figure 4-3 Replacing the batteries on MT models ITEM DESCRIPTION With unit laying on left side, remove screws from battery cover. Remove the battery cover.
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Vertiv™ | Liebert® PSI5 120 V Input / 120 V Output & 208 V lnput / 208 V Output Installer/User Guide Table 5-2 PSI5 Specifications for VRLA 1U and MT Models MODEL PSI5-1000RM1201U PSI5-1500RM1201U PSI5-750MT120 PSI5-1100MT120 PSI5-1500MT120 Power Rating 1000 VA, 900 W,...
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Vertiv™ | Liebert® PSI5 120 V Input / 120 V Output & 208 V lnput / 208 V Output Installer/User Guide Table 5-3 PSI5 Specifications for LI Models MODEL PSI5-1500RT120LI PSI5-2200RT120LI PSI5-3000RT120LI PSI5-1500MT120LI Power Rating 125 VAC Input 1500 VA, 1350 W, 12 A 1920 VA, 1920 W, 15.4 A...
Vertiv™ | Liebert® PSI5 120 V Input / 120 V Output & 208 V lnput / 208 V Output Installer/User Guide 5.1 Run Times NOTE: Liebert® PSl5-1100/2200/3000/5000: When using 2 or more external battery cabinets (EBCs), the UPS load rating will be decreased by 20%. The % load graph on the LCD automatically adjusts to reflect this derating.
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