epic power EPC Series Installation Manual

Bidirectional dc-dc converter

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Installation guide

Instructions d'installation

EPC SERIES

Bidirectional DC-DC converter

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Page 1 Installation guide Instructions d’installation EPC SERIES Bidirectional DC-DC converter...
Page 2 Installation guide Instructions d’installation EPC SERIES Bidirectional DC-DC converter...
Page 3 All rights reserved. Any duplication, adaptation or translation without prior written permission is prohibited , unless it is under copyright law. © Epic Power Converters S.L. Version 1.27 en September 2023 This manual is subject to change without prior notice.
Page 4: Table Of Contents
EPC SERIES Installation guide / Instructions d’installation TABLE OF CONTENTS PREFACE ..........................1 1.1. IMPORTANT SAFETY INSTRUCTIONS ......................1 1.2. INSTRUCTIONS IMPORTANTES CONCERNANT LA SÉCURITÉ ..............1 1.3. ABOUT THIS MANUAL ........................... 1 SAFETY ..........................2 2.1. SAFETY PRECAUTIONS ........................... 2 SYMBOLS ON THE PRODUCT ..................5 SÉCURITÉ...
Page 5 EPC SERIES Installation guide / Instructions d’installation 9.5. HIGH SIDE PHOTOVOLTAIC MODE (HSPVMODE) ..................21 9.6. LOW SIDE PHOTOVOLTAIC MODE (LSPVMODE) ..................21 10. COMMUNICATIONS ...................... 21 10.1. MESSAGE IDENTIFIERS ..........................21 10.1.1. Message identiﬁers conﬁguration ......................22 10.2. MESSAGE DESCRIPTION..........................23 10.2.1.
Page 6: Preface
être eﬀectué uniquement par du personnel qualiﬁé. 1.3. ABOUT THIS MANUAL This manual gives you the necessary information about the installation, commissioning, and operation of EPC Series Bidirectional DC-DC converter. We encourage that you carefully read these instructions before the ﬁrst power-up of the unit.
Page 7: Safety
CAUTION Make room in front of both ventilation grills, at least 250 mm. CAUTION The system has been designed for pollution level 2. Consult epic power in any other circumstances. CAUTION...
Page 8 WARNING damage to the drive. In case of malfunction, or doubt, contact epic power. NEVER OPEN EPC. It is an extremely complex electronic system. Reparation must only be undertaken by epic power. Any...
Page 9 EPC SERIES Installation guide / Instructions d’installation Earthing Ensure that earth is connected in both available connections (see page 16) with a conductor of minimum 2.5 mm section before energizing the converter. WARNING The protective conductor connection (PE) must not be removed since the protection against electric shock provided by the converter would be lost.
Page 10: Symbols On The Product
EPC SERIES Installation guide / Instructions d’installation Low Voltage Side Low side connection MUST be protected in both conductors. Keep the protective device opened during wiring operation. WARNING 3. SYMBOLS ON THE PRODUCT Symbol Explanation Beware of electrical voltage, risk of electric shock The product operates at high voltages.
Page 11: Précautions De Sécurité
WARNING choc ou endommageant le variateur. En cas de dysfonctionnement ou de doute, contactez epic power. JAMAIS OUVERT EPC. Il s’agit d’un système électronique extrêmement complexe. La réparation ne doit être effectuée que par epic power.
Page 12 EPC SERIES Installation guide / Instructions d’installation Avant de câbler le système, assurez-vous que l'interrupteur principal du convertisseur est éteint pendant l'installation. WARNING Le câble de connexion doit avoir des connecteurs de type balle pour éviter que les fils ne s'effilochent.
Page 13: Marquage Du Produit
EPC SERIES Installation guide / Instructions d’installation Avant de commencer la connexion côté haut du VVVF, assurez- vous qu'il ne reste plus de tension dans les nœuds sur le point d'être manipulés. WARNING NE PAS TOUCHER LA LIAISON HVDC SANS S'ASSURER QUE LE SYSTÈME EPC EST ARRÊTÉ, LE CONNECTEUR (5) DÉBRANCHÉ...
Page 14: Date Of Manufacturing
EPC SERIES Installation guide / Instructions d’installation On and off Ce symbole indique lorsque l’appareil est allumé (symbole de gauche) ou éteint (symbole de droite). Borne de mise à la terre de l’équipement Ce symbole signale l’emplacement du raccordement d’un conducteur de mise à...
Page 15: Epc General Description
EPC SERIES Installation guide / Instructions d’installation 7. EPC GENERAL DESCRIPTION The EPC is a new generation of DC/DC Converters with a wide range of voltage levels in both sides. The system is capable of managing power in both directions. As an application example, you can connect the low side voltage to batteries and feed any drive (VVVF) directly through the DC link.
Page 16: Epc External Description
EPC SERIES Installation guide / Instructions d’installation 8. EPC EXTERNAL DESCRIPTION Size 1 Fig. 1 DC/DC converter Size 1...
Page 17 EPC SERIES Installation guide / Instructions d’installation Size 2 Fig. 2 DC/DC converter Size 2...
Page 18 EPC SERIES Installation guide / Instructions d’installation Size 3 Fig. 3 DC/DC converter Size 3...
Page 19: Cooling Fans
EPC SERIES Installation guide / Instructions d’installation 8.1. COOLING FANS 8.2. CONNECTOR 1 OUTPUTS TO CONTROLLER This connector has potential-free relay contacts. Output Type* Description [CM] Common STATUS OK: When this terminal is short-circuited, it indicates that the DC/DC converter is [NO] in operation.
Page 20: Connector 2
EPC SERIES Installation guide / Instructions d’installation 8.3. CONNECTOR 2 CONTROL OUTPUTS Output Type* Description Relay [CM] Reserved Relay [NO] Reserved Opto [+] RC Charger + (Optional) Opto [-] RC Charger – (Optional) (*) [CM] = Common; [NO] = Normally open; Opto = Opto-isolated output 8.4.
Page 21: Connector 5
EPC SERIES Installation guide / Instructions d’installation These outputs are connected to the LVDC link. Maximum current of each terminal is 20 Amp. External protective devices such as fuses must be used. Failure to do so creates risk of electrocution for the...
Page 22: Terminal 9
EPC SERIES Installation guide / Instructions d’installation 8.9. TERMINAL 9 LOW VOLTAGE DC SIDE (LVDC) CONNECTION Size 1: Cables with cable gland connection. Size 2: Terminal block available for wiring Size 3: Pluggable connector available for wiring Fig. 4 LVDC link Size 1 Fig.
Page 23: Can Interface Module (Optional)
EPC SERIES Installation guide / Instructions d’installation If an error occurs, the LED stick will show one of the following code: Error number Description HVDC link voltage error detected by software LVDC link voltage error detected by software HVDC link overcurrent detected by software...
Page 24: Epc Control Modes
LVDC is within the limits (*), EPC will transfer exceeding energy to the LVDC (i.e., charge batteries). (*) contact with epic power if you need further information 9.2. CURRENT CONTROLLED MODE (CCMODE) In this mode, the external controller will set the current reference for the High Voltage DC side (HVDC side) or de Low Voltage DC side (LVDC side).
Page 25: Low Side Voltage Controlled Mode (Lsvcmode)
EPC SERIES Installation guide / Instructions d’installation EPC will manage the power ﬂow aiming to maintain the high side voltage reference. The external controller is able to choose bidirectional operation or unidirectional in any direction thanks to “Power Flow Direction” signal.
Page 26: High Side Photovoltaic Mode (Hspvmode)
EPC SERIES Installation guide / Instructions d’installation 9.5. HIGH SIDE PHOTOVOLTAIC MODE (HSPVMODE) In this mode, the EPC converter performs MPPT tracking algorithm in the HVDC side and is intended to be used when solar panels are connected to the HVDC side.
Page 27: Message Identifiers Configuration
EPC SERIES Installation guide / Instructions d’installation 10.1.1. Message identiﬁers conﬁguration The number of unit used to modify message identiﬁers will be recorded in the unit. The EPC will keep this number when the unit is switched OFF and ON.
Page 28: Message Description
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Page 35: Messages From Epc To External Controller
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Page 41: Installation
Make room in front of both ventilation grills, at least 250 mm. CAUTION The system has been designed for pollution level 2. Consult epic power in any other circumstances. CAUTION This unit is to be installed so that it is not expected to be contacted by persons.
Page 42 Switch breaker  Any Regulations & Standards compliant protective device for your  application. If in doubt, please contact epic power Connect DC/DC converter terminal to positive terminal of Low Voltage DC link. Connect DC/DC converter connector to negative terminal of Low Voltage...
Page 43 Protective devices may be one of the following: Fuses with fuseholders (recommended gR curve) for rated nominal  current. Switch breaker  Any Regulations & Standards compliant protective device for your  application. If in doubt, please contact epic power...
Page 44: Minimum Required Dc Link Capacitance
This device can be used in a wide range of applications; the customer is responsible for complying with all regulations that may apply in their final installation, in particular with protective devices. Epic Power Converters is not responsible for any loss or damage caused by the improper installation and/or failure to satisfy required regulations.
Page 45: Wiring
EPC SERIES Installation guide / Instructions d’installation Fig. 7 Optional CAN interface to EPC connector Fig. 8 EPC connector 6 11.3.2. Wiring External controller should be connected to connector 8 as deﬁned in “8.12 CAN INTERFACE MODULE (OPTIONAL)”. Following this, the module is ready for CAN communication.
Page 46: Uninstallation
EPC SERIES Installation guide / Instructions d’installation The LED stick will show the new number of unit in binary code. When programming is performed (after a few seconds), they will move again as in step 4. 7. Wait until LED’s are moving again 8.
Page 47: Maintenance And Inspection
EPC SERIES Installation guide / Instructions d’installation 13. MAINTENANCE AND INSPECTION Perform periodic inspections to avoid trouble and keep reliable operation of the converter. 13.1. PERIODIC INSPECTION Before starting periodic inspection: Switch off any device connected to connector 4. Switch off the EPC converter Open the low and high voltage circuit using switch disconnectors or any other protective installed device.
Page 48: Periodic Replacement Parts
EPC SERIES Installation guide / Instructions d’installation Cooling system must be checked by following these steps: Close the low voltage circuit using the switch disconnector or any other protective device installed. Switch on the EPC converter At the time of switching on the converter, fans will blow between 3~5 seconds; ensure that both fans are blowing air;...
Page 49: Technical Data, Environment, Dimensions And Weights
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Page 51: Wiring
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Page 53: Connectors Specifications
EPC SERIES Installation guide / Instructions d’installation 14.3. CONNECTORS SPECIFICATIONS Solid wire size Stranded wire size Torque Wire stripe Max. Ratings Voltage: 24 Vdc / 250 VAC 0.129-1.31 mm 0.129-1.31 mm 3.0 Lb.In 6-7 mm. Current: 3 Amp** 26-16 AWG 26-16 AWG 0.34 Nm...
Page 54: Environmental Requirements
(*) Note: The system should not be summited to sudden temperature variations given that it could cause liquid condensation inside the device. (**) Note: contact with epic power if you are intended to operate above the rated altitude. (***) Note: contact with epic power if your applications needs other requirements.
Page 55: Dc/Dc Converter Dimensions And Mounting Drawing (Mm)
EPC SERIES Installation guide / Instructions d’installation 14.6. DC/DC CONVERTER DIMENSIONS AND MOUNTING DRAWING (mm) Size 1 Size 2:...
Page 56 EPC SERIES Installation guide / Instructions d’installation Size 3:...
Page 57: Regulations
EPC SERIES Installation guide / Instructions d’installation 15. REGULATIONS EPC system has been designed and manufactured according to the following regulations: UL 61800-5-1: Standard for safety – Adjustable Speed Electrical Power Drive Systems – Part 5-1: Safety Requirements – Electrical, Thermal and Energy UL 1741: Standard for safety –...
Page 58: Eu Declaration Of Conformity
EPC SERIES Installation guide / Instructions d’installation 16. EU DECLARATION OF CONFORMITY...
Page 59: Emc Guidelines Compliance
3 turns of EMI Suppression Toroidal Ferrite (Würth 74270097) must be used for signal cables: connectors 1,2,3,7 and 8. This ferrite can be supplied by epic power with SKU M.1191.0093. EMC-related performance of the devices that comply with EU Directives will vary depending on the conﬁguration, wiring, and other conditions of the equipment on which EPC converters...
Page 60 EPIC POWER CONVERTERS S.L. C/F Oeste Nave 93 (Grupo Quejido) Polígono Malpica – 50.016 – Zaragoza +34 976 249 580 support@epicpower.es www.epicpower.es...

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