BLUETTI AC300 Inverter Module Generator User Manual

: June 10, 2024
: Bluetti

Table of Contents

120 Volts AC300+B300 Backup System
240 Volts AC300+B300 Backup System
- WRONG CONNECTION
Accessories
How to install Reliance Controls
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

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Declaration

The installation should be performed by a licensed electrician. Improper installation may result in death or serious injury and property damage.
This document is provided for reference purpose ON LY and does not constitute legal advice. Please consult the local licensed electrician for details.
BLUETTI shall not be liable for any damage or injury caused by improper installation of the backup system.

120 Volts AC300+B300 Backup System

AC300+B300’s Machine Type is set to “Single Phase” by default. DO NOT change this setting if you are operating a single AC300+B300 set. To build the backup system, you need the following:

Accessories	Qty.
Transfer switch: Reliance 370A Pro/Tran 2	1
NEMA TT30-P to Ll4-30R extension cord	1
30AAC charging cable	1

NOTE: Please read the Reliance 310A Pro/Tran2 manual before installation.
http://www.reliancecontrols.com/Documents/PT2%20Loadside%20lnstallation%20and%20Operating%20I nstructions.pdf

NOTE:

TT-30 Socket
NEMA Ll4-30 Inlet on the transfer switch
30AAC Charge cable
TT30-P to N EMA Ll4-30 extension cordRefer to the diagram below for proper installation of AC300+B300 backup system.

120 Volts AC300+B300 Backup System

NOTE:

The backup system must be properly installed by a licensed electrician.
Please check the voltage at outlets before plugging in your household appliances.
It is a electrical schematic. For the actual wiring diagram, please refer to Reliance PRO/TRAN2 installation instructions.

240 Volts AC300+B300 Backup System

You can build the 240V Split Phase System by pairing two sets of AC300+B300 together. The system also has double the available output power and capacity. Besides TWO sets of AC300+B300, you also need the following:

Caution! The backup split phase system must be properly installed by a licensed electrician.

How to configure the AC300+B300 sets:
Step l: Turn off both AC300+B300 sets.
Step 2: Connect AC300+B300 sets to transfer switch via the AC300 split- phase output cable. One TT-30 plug goes to a set.
Step 3: Connect two AC300 units via the communication cable.
Step 4: Turn on either AC300+B300 set.
Step 5: Go to “Settings” and tap “Next”.

Step 6: Tap “Single Phase”, the machine type option pops up and select “Split phase”.

Machine Type: Select Split Phase

Step 7: Select the “Master” in the Machine Address pop up.

Step 8: Turn on the other AC300+B300 set. Repeat step 5 and 6 to set its machine type to “Split phase”.

Step 9: Select the “Slave” in the Machine Address pop up.

If the connection fails, clear the alarm history and reconnect.

NOTE:

Disconnect the AC charging cables from AC300+B300 sets before connecting to the transfer switch.
The split phase system can be controlled ONLY on the “Master” set.
If one of the AC300+B300 sets is out of power, the split phase system fails automatically.

NOTE:

The backup system must be properly installed by a licensed electrician.
Please check the voltage at outlets before plugging in your household appliances.
It is a electrical schematic. For the actual wiring diagram, please refer to Reliance PRO/TRAN2 installation instructions.
In the main panel, two Neutral/Ground bus bars have been connected together with copper strips.

Connect the AC300+B300 sets to the main panel
Charge the 240V split phase system with AC300 30A split phase AC charging cable.
Plug the cable to a NEMA Ll4-30 socket (240V )and the other two connectors into AC300s’ AC input ports.
The AC input ports should be connected to Ll/N/PE and L2/N/PE, respectively. The current capacity of AC input plug shall be::: 30A.

WRONG CONNECTION

Warning! DO NOT charge AC300+B300 with standard AC charging cable in the split phase system, as this may cause damage to the batteries inside B300s and invalidate your warranty.

L: Live wire N: Neutral wire

NOTE:

The split phase system supports charging via solar panels. You can charge it by PV and the AC300 30A split-phase AC charging cable simultaneously. {AC input only through the AC300 30A split-phase AC charging cable but not the standard AC charging cable)

Accessories

Transfer switch

Recommendation: Reliance Controls 370A PRO/TRAN 2 transfer switch

BLUETTI 30AAC charging cable

Please buy it from BLUETTI official store.

BLUETTI AC300 split-phase output cable
Please buy it from BLUETTI official store.
https://www.bluettipower.com

BLUETTI AC300 30A split-phase AC charging cable Please buy it from BLUETTI official store.
https://www.bluettipower.com/products/30a-ac-charging-cable-for-split- phasefunction

Communication cable for split-phase function Please buy it from BLUETTI official store.
https://www.bluettipower.com/products/communication-cable-for-split-phase- function

NEMA Ll4-30R socket

For charging the 240V AC300+B300 split phase system.
Recommendation: Journeyman-Pro HJ P 2770 NEMA Ll4-30R socket.

NEMA TT30-P to Ll4-30R extension cord

For connecting AC300+B300 to the sub panel.
Recommendation: Parkworld NEMA TT30-P to Ll4-30R extension Cord.

Circuit breaker & protection box

If you have a residential solar array with a voltage of 72V-750V, you’re strongly recommended to use a DC circuit breaker panel to enable or disable solar charging. NOTE : If there are two solar panel arrays with a total open circuit voltage of 72-lS0V, you also need two 2P 76A DC circuit breakers.