Riello UPS SENTINEL POWER GREEN SPH 20 ER User Manual

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Table of Contents

Questions and Answers:

R
Robert PerezAug 18, 2025
What to do if the display on my Riello UPS does not light up?
- E
  Emily SchroederAug 18, 2025
  If the display on your Riello UPS doesn't light up, there could be several reasons: * The input switch might be open. In this case, close the input switch located on the back of the UPS. * The main connection cable might be missing or not properly connected. Ensure the power cable is correctly connected. * There might be no mains voltage (blackout). Check if the power reaches the socket by testing with another device like a table lamp. * The upstream thermal protection might have tripped. Reset the thermal protection, but first, check that there is no output overload to the UPS.
M
michaelthomasAug 20, 2025
Why is my Riello UPS operating from the battery even when there is mains voltage?
- T
  Tammy SmithAug 21, 2025
  Your Riello UPS might be operating from the battery despite mains voltage for these reasons: * The input voltage is outside the permitted tolerance range for mains operation, meaning there's a problem with the mains. Wait until the input mains voltage returns within the tolerance range; the UPS will automatically return to mains operation. * The upstream thermal protection might have tripped. Reset the thermal protection, being cautious to check for any output overload to the UPS.
J
James SheltonAug 23, 2025
What to do if the display is on but the load is not powered by my Riello UPS?
- R
  rmatthewsAug 23, 2025
  If the display is on but your load isn't powered by the Riello UPS, consider the following: * The UPS might be in stand-by mode. Press the “ON” button on the front panel to power the loads. * The stand-by off mode might be selected. This mode only powers the loads during a blackout, so you'll need to change the mode. * There might be no connection to the load. Check the connection to the load.
J
johnadamsAug 26, 2025
Why is my Riello UPS buzzer sounding and showing codes A54, F50, F51, F52, F53, L50, L51, L52, or L53?
- C
  Caleb DownsAug 26, 2025
  If the buzzer on your Riello UPS is sounding continuously and the display shows one of the codes A54, F50, F51, F52, F53, L50, L51, L52, or L53, it means that the load applied to the UPS is too high. Reduce the load to within the threshold of 100% (or user threshold in the case of code A54). If the display shows a lock: remove the load and switch the UPS off and back on again.
J
Joseph ReeseAug 28, 2025
Why is the buzzer sounding continuously and the display showing F04 or L04 on my Riello UPS?
- J
  jonathongonzalesAug 28, 2025
  If your Riello UPS buzzer is sounding continuously and the display shows F04 or L04, the temperature of the dissipators inside the UPS is too high. Ensure that the ambient temperature where the UPS is located does not exceed 40°C.
J
jessica35Aug 30, 2025
What does error code A62 mean on my Riello UPS?
- M
  Matthew HawkinsAug 31, 2025
  If your Riello UPS displays the code A62, it indicates that the batteries are missing, or the battery box is missing or not connected. On the versions with an additional battery charger in place of the batteries, check that the Battery Box is inserted and connected to the UPS correctly.
M
Miguel WilliamsSep 2, 2025
What does it mean when my Riello UPS buzzer sounds and the display shows F53 or L53?
- D
  Dr. Robert CarterSep 2, 2025
  If the buzzer sounds continuously and the display shows F53 or L53 on your Riello UPS, it indicates a fault on one or more of the utilities powered by the UPS. Disconnect all the utilities, switch the UPS off and back on again, and then reconnect the utilities one at a time to identify which one is faulty.
C
Crystal BennettSep 4, 2025
What does it mean when my Riello UPS displays error codes C01, C02, C03, C05, or C05?
- J
  Jared SmithSep 4, 2025
  If your Riello UPS displays error codes C01, C02, C03, C05, or C05, it means a remote command is active. If this is unwanted, check the status of the command inputs on any optional contact card.
A
Amy WoodsSep 7, 2025
How do I fix error code C02 on my Riello UPS?
- D
  David EvansSep 7, 2025
  If your Riello UPS displays C02, the manual bypass function is active. To exit this mode, press and hold the ON and SEL keys simultaneously for at least 4 seconds, or open the manual bypass isolator on the back of the UPS.
K
kathleenortizSep 9, 2025
What should I do if my Riello UPS buzzer is sounding and showing error codes F20, F21, F22, F40, F43, or F96?
- G
  grosalesSep 9, 2025
  If the buzzer on your Riello UPS is sounding continuously and the display shows one of the following codes: F20, F21, F22, F40, F43, F96, the UPS is malfunctioning and may lock soon. If possible, disconnect the power to the load, switch the UPS off and back on again; if the problem occurs again, call the support centre.

Riello UPS SENTINEL POWER GREEN SPH 20 ER Specifications

General

Frequency	50/60 Hz
Extended Runtime	Yes
Efficiency	Up to 96%
Power Rating	20 kVA
Output Power Capacity	18 kW
Input Voltage	220/230/240 V
Output Voltage	220/230/240 V
Topology	Online Double Conversion
Battery Type	VRLA
Communication Interface	RS232, USB
Operating Temperature	0°C to 40°C

Summary

Battery Box and Installation

Installation

Provides instructions and procedures for installing the UPS and Battery Box units.

Battery Box Installation

Explains how to connect one or more Battery Boxes in cascade for extended autonomy.

Setting Nominal Battery Capacity

Instructs on configuring the UPS with the correct battery capacity using UPSTools software.

Connections and Remote Controls

Connections

Details the procedures and requirements for connecting the UPS to mains power and loads.

Single-Phase Version Connection

Provides specific wiring instructions for single-phase connections for the SPM 6 UPS.

Combined Version Connection

Explains single-phase connections for SPH 8-10-10 ER and SPH 15-20-20 ER models.

Three-Phase Connection

Details the wiring procedures for three-phase connections for various SPH models.

Remote Control Terminal Block

Describes the terminal block for remote control functions, including maintenance bypass.

Remote Bypass for Maintenance

Explains how to connect the remote bypass terminals for external maintenance control.

R.E.P.O. Function

Details the Remote Emergency Power Off (R.E.P.O.) function and its connection procedure.

UPS Operation and Display

Use: Connections and First Time Switching On

Display Panel Messages

UPS Status Messages

Configuration and Software

Configuring Operating Mode

Possible Operating Mode Settings

Manual Bypass Operation

Software Overview

Monitoring and Control Software

Configuration Software

UPS Configuration Parameters

Details all configurable functions and parameters for adapting the UPS to specific requirements.

Communication Ports and Troubleshooting

Communication Ports

RS232 Connector Details

Troubleshooting Guide

Provides a guide to identify and resolve common UPS operational problems and error codes.

Alarms, Faults, and Locks

Fault Codes (Anomalies)

Details 'minor' fault codes (Anomalies) that affect performance but do not lock the UPS.

Alarm Codes

Lists critical alarm codes that can lead to UPS locking if they persist.

Lock Alerts

Explains LOCK alerts, which are preceded by alarms and lead to inverter/load power-off.

Technical Data

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