Savant Power storage 20 User manual

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Savant Power Storage 20 Installation Guide

This document guides the installer through the complete installation process for the following products:

– Savant Power Storage 20 (PS20-12.5KW-100A) composed of:

Savant Power Inverter (PS-INV-12.5KW-100A-XX) &

Power Storage 20 Battery (PS20-BATT-20KWH)

– Savant Power Storage 20 (PS20-12.5KW-60A) composed of:

Savant Power Inverter (PS-INV-12.5KW-60A-NS) &

Power Storage 20 Battery (PS20-BATT-20KWH)

Document Number: 009-2401-00

Document Date: September 2023

Document Supports daVinci 10.2.3 and Higher

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Table of Contents

To access links to the topics within this document, click the corresponding entry in the table below.

Important Safety Information....................................................................................3

1. System Introduction......................................................................................................5

2. Pre-Installation.................................................................................................................6

2.1. Utility Connected Whole Home Backup.......................................................6

2.2. Utility Connected Partial Home Backup .......................................................6

2.3. Retroﬁtting (AC Coupling) Existing Solar....................................................7

2.4. O Grid Installation...............................................................................................7

2.5. Installation Location .............................................................................................8

3. Physical Installation .......................................................................................................9

3.1. Tools and PPE .........................................................................................................9

3.2. Mounting the System ...........................................................................................9

3.3. Internal Wiring ...................................................................................................... 12

3.4. Battery System Installation.............................................................................. 13

3.5. External Wiring..................................................................................................... 14

3.6. Power Director Installation ............................................................................... 17

3.7. Optional Power Source Wiring....................................................................... 18

3.8. Parallel Systems...................................................................................................20

3.9. Additional Accessories...................................................................................... 22

3.10. Safety Check........................................................................................................ 26

4. Basic Operations...........................................................................................................27

5.1. Boot System ..........................................................................................................27

5.2. Shut Down System............................................................................................. 28

5.3. Reboot System .................................................................................................... 28

5. System Commissioning ............................................................................................. 29

6. Troubleshooting...........................................................................................................30

7. Warranty and Service ................................................................................................ 32

Appendix - Single Line Diagrams.......................................................................... 33

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Important Safety Information - Read First

Before installing, conﬁguring, or operating any equipment, Savant recommends

that each dealer, integrator, installer, etc. access and read all relevant technical

documentation. Savant Power technical documentation can be located

by visiting savant.com/power. Vendor documentation is supplied with the

equipment.

Read and understand all safety instructions, cautions, and warnings in this

document and the labels on the equipment.

Safety Statements

Read this entire document before installing or using Savant Power Storage 20.

Failure to read or follow any of the instructions or warnings in this document

can result in personal harm, including death, or damage to the product,

potentially rendering it inoperable.

DANGER!

–A battery can present a risk of electrical shock, ﬁre, or explosion

from vented gases. Observe proper precautions.

–Savant Power Storage 20 must be installed by only Savant

authorized persons who have been trained in working with high

voltage electricity.

–Use Savant Power Storage 20 only as directed.

–Do not handle the device or its components with wet hands,

otherwise electric shock or death may occur.

–Do not use Savant Power Storage 20 if it is defective, appears

cracked, broken, (or otherwise damaged) or fails to operate.

–Never work on the system without ﬁrst entirely powering down the

system and shutting o and locking out any power supplies to the

inverter.

–To protect the product and its components from damage when

transporting, handle with care. Do not impact, pull, drag, or step

on Savant Power Storage 20. Do not subject Savant Power Storage

20 to any high forces. To help prevent damage, leave Savant Power

Storage 20 in its shipping packaging until it is ready to be installed.

–Any installations must comply with The National Electric Code (NEC)

and local codes.

–Do not insert foreign objects into any part of the Savant Power

Storage 20.

–Any installation must comply with speciﬁcations for wire types,

conductor sizes, electrical and thermal insulation, branch circuit

protection, grounding, and disconnect devices.

CAUTION!

–Do not paint any part of Savant Power Storage 20, including any

internal or external components such as the exterior shell or casing.

–When installing Savant Power Storage 20 in a garage or near

vehicles, keep it out of the driving path. It shall be standing on the

ﬂoor. If possible, install Savant Power Storage 20 on a side wall.

–Ensure installation is compliant with local and national electrical

codes.

Safety Classiﬁcations In this Document

NOTE:Provides special information for installing,

conﬁguring, and operating the equipment.

DANGER!

Indicates a potentially hazardous situation which, if

not avoided, could result in injury, death, or damage

to Savant Power Storage 20.

IMPORTANT!

Indicates potentially hazardous situation which, if

not avoided, could result in medium/slight injury or

damage to Savant Power Storage 20.

CAUTION!

Provides special information for avoiding situations

that may cause damage to equipment.

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Electronic Waste Information

This symbol on the product or on its packaging indicates that this

product must not be disposed of with normal household waste. It is

your responsibility to dispose of electrical waste in a manner that is

consistent with local guidelines.

For more information about where you can drop o waste

equipment for recycling, please contact your local city oce, waste disposal

service, or the shop where you purchased the product.

FCC Compliance

This device complies with Part 15 of the FCC Rules. Operation is subject to the

following two conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including

interference that may cause undesired operation.

DANGER! Changes or modiﬁcations not expressly approved by the party

responsible for compliance could void the user’s authority to operate

the equipment.

RF Warning Statement

The device has been evaluated to meet general RF exposure requirement.

The device can be used in portable exposure conditions without restriction.

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1. System Introduction

The Savant Power Storage 20 is an all-in-one energy solution that acts as a power control system to manage a variety of interconnected power sources

alongside an energy storage system to enable energy resiliency in the event of grid disruptions and signiﬁcant costs savings during every-day operation.

The Savant Power Storage 20 is composed of three main components:

–Savant Power Inverter

–Savant Power Storage 20 Battery

–Savant Power Director

For Savant Power Storage 20 inverter and battery parts and features, see the Savant Power Storage 20 - 60A Quick Reference Guide or Savant Power

Storage 20 - 100A Quick Reference Guide on the Savant Customer Community.

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2. Pre-Installation

2.1. Utility Connected Whole Home Backup

Osets power consumption while providing backup power for the whole home during a utility disruption. Requires enough battery and inverter

capacity to power all backed up loads. Can be installed with or without solar sell back (“Net-Metering”) enabled.

IP Network

Load Center

Savant Power Modules Power Storage 20

Service Entry

Rated Disconnect

Smart Meter Utility Service

Automated Start

Whole Home Generator

Optional

DC Solar

Optional

Power Director

2.2. Utility Connected Partial Home Backup

Osets power consumption while providing backup power for the most critical loads during a utility disruption. May enable a smaller system to be

installed. Can be installed with or without solar sell back (“Net-Metering”) enabled.

IP Network

Power Director

Sub Panel

Savant Power Modules Power Storage 20

Smart Meter Utility Service

Generator

Optional

DC Solar

Optional

Main Service Panel

(Non-backed up)

Automated Start

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2.3. Intregrating (AC Coupling) Existing Solar

Easily integrate existing grid tied solar installations with o-grid resiliency and time-of-use optimization.

NOTE: AC Coupled solar may land in the load center as pictured in the diagram below, or directly into the GEN input of the Savant Power Inverter.

Contact Savant engineering for more information about how to integrate a generator with an AC Coupled system.

IP Network

Load Center

Savant Power Modules

Power Storage 20

Service Entry

Rated Disconnect

Smart Meter Utility Service

Solar

Power Director

AC Coupled

Solar

2.4. O Grid Installation

Generate 100% of energy consumed on-site. Ideal for scenarios where utility is not available, or interconnection is not possible.

IP Network

Load Center

Savant Power Modules

Power Storage 20

Power Director

Automated Start

Whole Home Generator DC Solar

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2.5. Installation Location

The components of the Savant Power Storage 20 shall be installed in a location that is suitable for use. Installing the system in a manner inconsistent

with the guidance given below may void system warranty. The following items should be considered when installing the Savant Power Storage 20:

–The Savant Power Storage 20 is built with NEMA 4X enclosure, enabling outdoor install locations. Choose an installation area where ambient

temperature remains between 32°F to 114°F (0°C to 46°C) and out of direct sunlight. Exposing the system to temperatures outside of this range

can negatively impact the longevity of the equipment and will void the warranty.

–Choose a ﬂat, horizontal foundation against a wall without potential exposure to overhead water sources, snow accumulation or ﬂooding.

IMPORTANT! Concrete anchors are included with each system to allow the system to be secured to the foundation.

–Reserve enough space for maintenance requirement for each side of the unit.

–Ensure enough clearance around the system and space between multiple Savant Power Storage 20 units to correspond with National Electric

Code (NEC) and local requirements.

Maintenance Space Requirements

36in

(92cm)

11.8in

(30cm)

8.0in

(20cm)

Example shows the maintenance space requirements for a right entry cabinet. Actual maintenance space requirements may vary.

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3. Physical Installation

3.1. Tools and PPE

–Rotary hammer drill with

3/8in and 1/2in drill bits

–5/32in or 4mm hex screw

driver

–Philips screw driver

–Rubber hammer

–1/8in or 3mm ﬂat head

screw driver

–Cable cutter

–Measuring tape

–Leveling instrument

–Vacuum

–Insulated gloves

–Safety goggles

–Safety shoes

–Dust mask

–Multimeter

–Marker

–17mm socket wrench

–Optional Accessories

3.2. Mounting the System

The following installation instructions are for a right-entry (PS20-BATT-20KWH-ENCL-XX) cabinet. For parallel systems, a left-entry (PS20-BATT-

20KWH-ENCL-LEFT-XX) cabinet may be used where batteries are inserted from the opposite side.

CAUTION!

–Dust collection required during drilling.

–Make sure the cabinet is ﬁrmly on the ﬂoor. The wall bracket is only designed to keep the battery system from tipping forward and cannot

support the weight of the battery.

1. Open the battery enclosure with a PH2 Philips screwdriver and remove the accessories kit.

2. Assemble the bracket as shown using M5x12 screws.

3. Attach the bracket to the back side of the battery system with M5x12 machine screws. Torque: 44 lb-in (5 N*m).

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4. (OPTIONAL, Per Local Code) Drill a 0.5 in (25mm) hole with a 2 in (50mm) depth. Embed the anchor expansion bolts and ax the cabinet to

the ground. Use included cardboard template and take note of spacing between unit and wall to allow for the bracket.

5. Install bracket and battery system on the wall with M6x50 tapping screws.

NOTE: If installing on a concrete wall, properly drill into the wall with M6x50 expansion anchor screws.

6. Remove the battery seal cap (BAT/COM) on the bottom of Savant Power Inverter.

7. Hang the inverter on the bracket.

547

305mm

(12in)

406mm

(16in)

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8. Fasten Savant Power Inverter and the battery cabinet with conduit and screw kits.

9. Fasten the inverter and the bracket with M5x12 machine screws. Torque: 26.5 lb-in (3 N*m).

10. If the inverter is installed separately from the battery system, use the bracket to mount inverter. Install the bracket on the wall with M6x50

tapping screws, hang on bracket, and fasten it with M4x16 screws.

NOTE: If you are installing it on a concrete wall, drill into the wall and attach with M5x12 tapping screws.

11. If the battery system is installed separately from inverter, the bracket for battery system is required. Attach the bracket to the back side of the

battery system with M8x16 machine screws. Torque: 44 lb-in (5 N*m). Install the bracket on the wall with M6x50 tapping screws.

NOTE: If you are installing it on a concrete wall, drill into the wall with M6x50 expansion anchor screws.

16in

12in

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L1 NL2 L1 NL2 L1 NL2

RS232

DC 12V

BCMS

RS485-1C-LEDSIMSD

RESET

USB4

USB3

GPS

USB2

NETWORK

LHG

DC 12V DC 12V

C-LED

P S G

UPCS

GBA

DC 12V

RS232

RSD

DC- DC+REF

BAT- BAT+REF

PV1+ PV1- PV2+ PV2-

CAN

DC 12V

DC-DC+ REF L1 N L2 L1 N L2 L1 N L2

BAT-BAT+ REF

PV1+ PV1-PV2+ PV2-

LHG

DC 12V DC 12V C-LED

PS G

UPCS

GBA

RS232

GROUND

REF

BAT+

DC 12V

BAT/COM TO

BATTERY STORAGE

WIRING

BAT-

BCMS TO CAN

DC 12V

CAN

DC 12V

GROUND

BAT/COM TO

INVERTER WIRING

REF BAT- BAT+

REF

BCMS TO CAN

BAT+

BAT-

DC 12V

3.3. Internal Wiring

1. Unfasten the screws from the battery storage wiring cover and wiring panel of the

Savant Power Inverter using a 4mm hex screwdriver, removing both cover plates.

2. Connect the inverter to the battery system with ground wire, Torque: 26.5 lb-in (3

N*m) feeding the ground wire through the BAT/COM to the battery storage wiring

panel.

3. Connect power, 12V DC and communication cables from the battery system to the

inverter. Insert the wires according to the corresponding colors of the silkscreen on

the terminal.

NOTE: Conductor colors of the 60A unit will dier from the installation guide.

CAN

DC 12V

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3.4. Battery System Installation

1. Open the Battery Access Door with a hex screwdriver.

2. Number all battery labels with a number 1-8.

3. Install battery 8 in the bottom battery slot. Then continue to install all batteries in ascending slots in reverse numerical order, with battery 8 on

the bottom and battery 1 in the top. See the diagram below for reference.

NOTE: Always keep the batteries connected in the order that they were originally installed.

4. Fasten all modules on both sides using M4x8 screws. Torque: 10 lb-in (1.2 N*m).

NOTE: Do not install the door on the cabinet until installation has been completed and the system has been tested for proper function.

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3.5. External Wiring

CAUTION! All cables shall be connected in sequence as listed in this manual.

1. Make all grid, generator and load connections as shown in the single line diagrams in Appendix: Single Line Diagrams.

NOTE: Savant Power Inverter includes a built-in RSD transmitter. Please contact Savant for supported models of RSD receivers. If the Savant

Power Storage 20 is placed near the main panel, the PV disconnect (PV switch) on the Savant Power Inverter can be used as an RSD Initiation

Device.

If the Savant Power Storage 20 is placed far from the main panel, it is recommended to use the Emergency Switch as an RSD Initiation Device.

CAUTION! In areas with frequent lightning storms, a Class 2 SPD (Surge Protection Device) shall be installed in front ends of both Solar

and Grid inputs.

2. Refer to the table below for minimum copper wire sizing and ratings.

Voltage Temperature Class Gauge

AC 600V 75°C/167°F 2AWG (33.6mm2)

Ground 600V 75°C/167°F 6AWG (13.3mm2)

PV/Battery 600V 75°C/167°F 10AWG (5.26mm2)

RSD Option 2 / 12Vdc /

AFCI Communication

30V 60°C/140°F 24AWG (0.204mm2)

CAT5 Ethernet 30V 60°C/140°F Standard Ethernet cable

3. Refer to the table below for minimum external circuit breaker sizing and ratings.

Voltage Current Rating

AC 600V 100A

PV 600V 30A

RSD Option 2 30V 1A

NOTE: If smaller-size wires and breakers are to be used for AC connection, grid output current can be conﬁgured via the Savant Power Storage

app. Please contact Savant Support to conﬁrm your conﬁgurations.

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DC- DC+ REF L1 NL2 L1 NL2 L1 NL2

BAT- BAT+ REF

DC 12V

BCMS

RS485-1

DC 12V

CAN

DC 12V

DC- DC+REF L1 N L2 L1 N L2 L1 N L2

BAT-BAT+ REF

PV1+ PV1-PV2+ PV2-

LHG

DC 12V DC 12V C-LED

PS G

UPCS

GBA

RS232

4. Connect Savant Power inverter to ground. Torque: 26.5 lb-in (3 N*m).

5. Connect Savant Power Inverter to the grid.

DANGER! Generators shall NOT be connected through the grid interface. The bidirectional energy ﬂow through the grid interface will result

in damage and malfunctioning of the generator.

6. Connect output of generator or AC coupled solar inverter to GEN terminals of inverter. Follow the instructions on the Savant Power Storage app

for wiring and setting of generator automatic control.

NOTE: System must be programmed for appropriate connected power source. Programming details can be found in the Savant Power Storage

App Setup Guide on the Savant Customer Community.

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7. Make load connections from Savant Power Inverter to load.

8. Make photovoltaic array connections from the Savant Power Inverter as shown below.

CAUTION! Do not connect the positive or negative PV connections to ground. Doing so may damage the inverter.

9. Connect the communication cable to RS232 port and 12Vdc power cable to DC 12V port.

10. Connect Savant Power Inverter to a router or Savant Power Director using a CAT5 or higher Ethernet cable.

NOTE: Use waterproof port where required.

11. For systems with connections to AC coupled PV Inverter, and/or multiple parallel applications, see section 3.6.

C-LED

P S G

UPCS

GBA

DC 12V

RS232

RSD

I O

DC 12V

CAN

HFG CW G G SW L

L1 NL2 L1 NL2 L1 NL2

RS232

DC 12V

BCMS

RS485-1C-LEDSIMSD

RESET

USB4

USB3

GPS

USB2

NETWORK

CONNECTIONS

TO LOAD

CONNECTIONS TO

PHOTO VOLTAIC

ARRAY

CONNECTIONS TO

PHOTO VOLTAIC

ARRAY

DC- DC+REFBAT- BAT+REF

PV1+ PV1- PV2+ PV2-

CONNECTION

TO ROUTER OR

DIRECTOR

RS232 CONNECTION

DC 12V CONNECTION

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3.6. Power Director Installation

Refer to Savant Power & Light App Deployment Guide and Savant Power Quick Reference Guide on the Savant Customer Community for more

detailed instructions regarding installing and conﬁguring the Savant Power Director.

1. Install Director in appropriate location using the included bracket.

NOTE: It is recommended to install the Director within 10ft (3m) of any load center with Power Modules included. If Power Modules will be

installed in numerous panels, a Panel Bridge Controller (PBC) will be required. Contact Savant support for more information.

2. The Savant Power Director and Savant Power Inverter communicate over IP. Connect the PoE port of Director to the Network Port of inverter.

NOTE: If using the Director over WiFi, the router may be omitted.

3. Commission the Director according to the Savant Power & Light App Deployment Guide.

L1 NL2 L1 NL2 L1 NL2

RS232

DC 12V

BCMS

RS485-1C-LEDSIMSD

RESET

USB4

USB3

GPS

USB2

NETWORK

DC- DC+REF

BAT- BAT+REF

PV1+ PV1- PV2+ PV2-

Network Switch

MAIN

NETWORK

Power Director

PoEGPIO 5VDC

C-LED

P S G

UPCS

GBA

DC 12V

RS232

RSD

I O

DC 12V

CAN

HFG CW G G SW L

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3.7. Optional Power Source Integration and Wiring

3.7.1 Generator Integration

The Power Storage 20 is designed to integrate seamlessly with an on-site generator to provide additional resilience.

1. Land the AC output of the generator into the GEN input of the inverter (L1/L2/N).

2. If using a whole home generator with two-wire start, wire the Energy Management System (EMS) as shown:

NOTE: Other generators are supported with dierent wiring conﬁgurations; contact Savant support for more information.

3. Use the Savant Power Storage app to program the auto-start and stopping parameters of the connected generator.

L1 NL2 L1 NL2 L1 NL2

RS232

DC 12V

BCMS

RS485-1C-LEDSIMSD

RESET

USB4

USB3

GPS

USB2

NETWORK

CONNECTIONS

TO GENERATOR

AC OUTPUT

DC- DC+REF

BAT- BAT+REF

PV1+ PV1- PV2+ PV2-

N01

COM2

N02

DI1

DI3

NC1

COM1

NC2

DI2

COM

CONNECTIONS

TO GENERATOR

C-LED

P S G

UPCS

GBA

DC 12V

RS232

RSD

I O

DC 12V

CAN

HFG CW G G SW L

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3.7.2 AC Coupled Solar Wiring

The Savant Power Storage 20 enables easy integration of a grid tied solar installation to enable continued solar production in a grid down scenario. It

is recommended to use a UL 1741SA compliant inverter when AC coupling into the Savant Power Storage 20.

CAUTION! Do not interconnect a generator to a system that is installed with AC Coupled solar attached as it can lead to damage to the

generator and inverter!

1. Land the output of the AC coupled solar inverter into the GEN input of the inverter or into the backed-up load center.

NOTE: The PS-INV-12.5KW-60A-XX model will only support AC coupling into the backed-up load center whereas the PS-INV-12.5KW-100A-XX

can support either location

NOTE: Paralleled systems should only have AC coupling into the GEN input of the inverter.

2. Use the Savant Power Storage app to program the parameters of the AC coupled system.

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3.8. Parallel Systems

The Savant Power Storage 20 can support multi-unit installs with all units operating in parallel to increase the available power and storage for a

single site installation. The Appendix provides single line diagrams giving a high level overview of parallel system conﬁguration.

NOTE: Systems with a model number ending in ‘NS’ do not support parallel conﬁguration. Please contact Savant support for more information.

1. Wire internal components for all units in system in alignment with section 3.3.

2. Wire DC coupled solar to each unit independently.

NOTE: It is recommended to balance solar input across the systems used in a parallel conﬁguration for optimal performance.

3. Combine the Load Output of all units at a single location before landing in the backed-up loads panel.

4. Connect CAT5 or CAT6 cable between the external RJ45 ports marked ‘Parallel’ between each inverter in the system.

NOTE: External Parallel ports are equivalent and can be used interchangeably.

5. Install the included resistors in the ﬁrst and last system of the parallel install. Make sure to tighten the RJ45 port where resistors are installed.

6. Assign one of the units in the system as the “Leader” of the system. Additional systems will be designated as “Followers”.

7. Wire all optional accessories (generator auto-start, E-Stop Button, etc) to the Leader of each parallel installation. See more about accessories in

section 3.8.

LeaderFollowerFollower

PARALLEL