EG4 ELECTRONICS PDP-120A-240 Load Center User Manual
- June 12, 2024
- EG4 ELECTRONICS
Table of Contents
USER MANUAL
EG4 Load Center
Safety Information
Before any work begins, carefully read all safety instructions, and always
observe them when working on or with the system. The installation must follow
all applicable national or local standards and regulations. Consult with your
AHJ to obtain the proper permits and permissions before installation.
Incorrect installation may cause:
- injury or death to the installer, operator or third party
- damage to any attached equipment
Important Safety Notifications
There are various safety concerns that must be carefully observed before,
during, and after the installation, as well as during future operation and
maintenance. The following are important safety notifications for the
installer and any end users of this product under normal operating conditions.
Dangers of High Voltages and Large Current
- Use caution when working with metal tools on or around the system. Risk of electrical arcs and/or short circuiting of equipment can lead to severe injury or death and equipment damage.
- Do not make any connections or disconnections to the system with any live circuits. Damage to system components or risk of electrical shock may occur if working with energized circuits.
- An installer should make sure to be well protected by reasonable and professional insulative equipment [e.g., personal protective equipment (PPE)].
- Before installing, operating, or maintaining the system, it is important to inspect all existing wiring to ensure it meets the appropriate specifications and conditions for use.
- Ensure that the system component connections are secure and proper to prevent damage or injuries caused by improper installation.
Warning
- All work on this product must be carried out by qualified personnel. To reduce the risk of electric shock, do not perform any servicing other than that specified in the operating instructions unless you are qualified to do so.
- Read all instructions before commencing installation. For electrical work, follow all local and national wiring standards, regulations, and these installation instructions. All wiring should be in accordance with the National Electrical Code (NEC), ANSI/NFPA 70.
- The system can connect with the utility grid only if the utility provider permits. Consult with your utility and your local AHJ before installing this product for any additional permits, regulations, and requirements for your area.
- The installer should consider the safety of future users when choosing the system’s correct position and location as specified in this manual.
- Please keep children away from touching or misusing the components in the system.
- Never operate the system with the protective front covers removed.
DISCLAIMER
EG4® reserves the right to make changes to the material herein at any time
without notice. You may refer to the EG4® website at
www.eg4electronics.com for the most updated
version of our manual.
EG4 Load Center Components and Features
The EG4 Load Center is an out-of-the-box unit that is pre-wired for support
the integration of 2 EG4 6500 Inverters and batteries for both on-grid and
off-grid residential solar installations. The pre-wired system is designed to
save thousands of dollars and precious time for both installers and homeowners
on their installation.
Warning: The EG4 Load Center must only be used with inverters running in
stationary mode (Common Neutral)
The EG4 Load Center consists of the following pre-assembled DIN rail parts:
AC Bypass Assembly (AC Protection and Transfer Switch)
of Breakers| 3
---|---
Poles per Breaker| 4
Current| 60A
Voltage| 120/240VAC
Torque (Breaker)| 22.125 in-lb (2.5 Nm)
Torque (Jumper Bar Lug)| 50 in-lb (5.7 Nm)
Min Wire Size| 12 AWG (4 mm 2 )
Max Wire Size| 2 AWG (35 mm 2 )
Wire type| Stranded or Solid
Two DC Breakers (Battery Protection and Disconnect)
of Poles| 1
Current| 125A
Voltage| 60VDC
Torque| 50 in-lb (5.7 Nm)
Min Wire Size| 8 AWG (10 mm 2 )
Max Wire Size| 1/0 AWG (50 mm )
Wire type
See Diagram 1 for pinouts
Two DC Isolators (PV Disconnect)
of Poles| 4
Current| 25A
Voltage| 600V DC
Torque| 10.62 – 15.93 in-lb (1.2–1.8 Nm)
Min Wire Size| 12 AWG (4mm 2 )
Max Wire Size| 6 AWG (16mm )
Wire type| Stranded or Solid
Two Bus Bars (Common Neutral and Common Ground)
of Connections| 8 (max)
Torque| 20-35 in-lbs. (2.25–3.95 Nm) See next section
Min Wire Size| 12 AWG
Max Wire Size| 6 AWG
Wire type| Stranded or Solid
Torque Values for Ground and Neutral Bus Bars
Wire Size| Torque Value
10-14 AWG| 20 in-lb (2.25 Nm)
8 AWG| 25 in-lb (2.82 Nm)
6 AWG| 35 in-lb (3.95 Nm)
PV Disconnect Schematic
System Component Identification and Layout
Warning: The EG4 Load Center must never be operated with the front cover
removed.
(Removing the front cover disables the transfer switch interlock)
Schematic View
Wiring Diagram
Warning: All connections must be properly torqued to prevent fires.
See Table 1 for Busbar torque specs
Specifications
Product Name
EG4 Load Center
General Specifications
Wiring (Customer Provided)
| To PV Panels | 10 AWG, PV Wire |
|---|---|
| AC Wiring | 6 – 2 AWG, THHN/THWN-2 Cu for AC |
| Battery Wiring | 1/0 AWG, 600V MTW&THW for Batteries |
| Enclosure | Indoor-rated, wall mount |
| Dimensions & Weight | Without Shipping |
6x12x43 in (15.25×30.5×109.2cm); 37.35 lb.
(16.94 kg)
With Shipping
7x13x44 in (17.78x33x11.76cm); 39.25 lb. (17.82 kg)
Reference Diagram
The following photo shows 2 EG4 6500EX’s installed utilizing the EG4 Load
Center.
This picture is for reference only.