Hoymiles HYS-7.6LV-USG1 User manual

HYS-9.6LV-USG1
HYS-11.5LV-USG1
Open Energy for All
Quick Installation Guide
Single-phase Hybrid Inverter
hoymiles.comRegion: North America REV1.1
HYS-7.6LV-USG1

1 General Declaration
01
Hybrid Inverter Quick Installation Guide
2 Packing List
• The information in this quick installation guide is subject to change due to product updates or other reasons.
• This guide cannot replace the product labels or the safety precautions in the user manual unless otherwise
specified. All descriptions here are for guidance only.
• Before installations, read through the quick installation guide and the user manual to learn about the product
and the precautions.
• All installations should be performed by trained and knowledgeable technicians who are familiar with local
standards and safety regulations.
• Check the deliverables for correct model, complete contents, and intact appearance. Contact the manufacturer
if any damage is found or any component is missing.
• Use insulating tools and wear personal protective equipment when operating the equipment to ensure
personal safety. Wear anti-static gloves, clothes, and wrist strip when touching electron devices to protect the
inverter from damage. The manufacturer shall not be liable for any damage caused by static electricity.
• Strictly follow the installation, operation, and configuration instructions in this guide and user manual. The
manufacturer shall not be liable for equipment damage or personal injury if you do not follow the instructions.
• All cables in this article are copper cables.
Bracket*1
Smart Meter*1 CT*2
Inverter*1
Document*1
DTS*1
Optional (Wi-Fi, Ethernet, 4G)
Accessories Packing List
Expansion Screw M6*60*6
Sleeve*6 Screw M4*10*1 DTS Connecting Line*1

3 Dimensions
© 2023 Hoymiles Power Electronics Inc. All rights reserved. 02
Hybrid Inverter Quick Installation Guide
214.8 mm/8.46 in
DC SWITCH
OFF
ON
PUSH OFF,TWISTON
RAPID SHUTDOWN
502 mm/19.76 in
818.5 mm/32.2 in 740 mm/29.13 in
RUN PV AC COMFAULT
105 mm/4.13 in
58 mm/2.28 in
58 mm/2.28 in
58 mm/2.28 in
58 mm/2.28 in
51 mm/2 in
18 mm/0.7 in
PF1 PF1 PF1 PF1
PF3/4
PF3/4
97 mm/3.82 in
PF1 PF1
155 mm/6.1 in
Φ: 26.6 mm
Φ: 33.8 mm
25 mm/1 in

Hybrid Inverter Quick Installation Guide
03
21
45
3
6
4 Mounting the Inverter
≥200 mm
≥300 mm
≥200 mm
≥500 mm
≥15°
≥300 mm
200 mm/7.87 in
203 mm/8 in 203 mm/8 in

© 2023 Hoymiles Power Electronics Inc. All rights reserved. 04
Hybrid Inverter Quick Installation Guide
5 Wiring Diagram
Wiring diagram for North America. Please follow local wiring regulations.
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
BATT+ BATT-
From Meter
PV Strings
PV Strings
BMS
Generator Control
DC Breaker
Battery
Meter
Grid
L1 L2
N
PE
Main Loads
Backup Loads
Microinverter
Meter
To Inverter
Meter Port
DC Wire L1 Wire L2 Wire N Wire PE Wire Signal Wire DC Wire L1 Wire L2 Wire N Wire PE Wire Signal Wire
E-N Link
E-BAR
N-BAR
Generator
Main Panel
AC Breaker
AC Breaker
AC Breaker
AC Breaker
or

Hybrid Inverter Quick Installation Guide
6 Recommended Cable List
PV Cables
EPS/GEN Cables
12 mm/0.47 in
12 AWG
8 AWG
8 AWG
6 AWG
4/0
This data is the cable diameter recommended by Hoymiles, and for proper cable diameter,
please refer to local laws and regulations and actual installation.
EPS/GEN Ground Cable
GRID Cables
GRID Ground Cable
Battery Cables
Battery Ground Cable
Communication Cables
14 mm/0.55 in
8 AWG
18 mm/0.71 in
24 mm/0.94 in
12 mm/0.47 in
23 mm/0.91 in
4 AWG
24 AWG 8 mm/0.31 in
12 mm/0.47 in
Specification Stripping Length
Cable
HYS-7.6LV-USG1 HYS-9.6LV-USG1 HYS-11.5LV-USG1 HYS-7.6/9.6/11.5LV-USG1
(90℃/194℉, Copper)
12 AWG
10 AWG
8 AWG
6 AWG
2/0
8 AWG
6 AWG
24 AWG
12 AWG
8 AWG
8 AWG
6 AWG
4/0
8 AWG
4 AWG
24 AWG
05

Hybrid Inverter Quick Installation Guide
7 Electrical Connection
Step 1 Opening the Wiring Box Cover
Product Overview
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
BATT+
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
2. Rapid Shutdown Switch 3. PV Terminals
5. Grounding Bar 6. Battery Terminals
1
2
3 4
5
67
7. AC Terminals
1. DC Switch 4. Communication Port
ON
1
ON
1
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
PV1+ PV1- PV2+ PV2-
BATT+ BATT-
5
© 2023 Hoymiles Power Electronics Inc. All rights reserved. 06
T20

ON
1
ON
1
PV1+PV1- PV2+ PV2-
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
BATT+ BATT-
L2
L1
N N L2
EPS GRID
L1
GEN
L2
L1
Hybrid Inverter Quick Installation Guide
Step 2 PV Cable Connection
Step 3 Battery Cable Connection
Step 4 AC Cable Connection
Following diagrams are the example of connecting grid cables, and the GEN and EPS
connection methods are the same as grid connection. For recommended cable specification
of EPS and GEN, please refer to the recommended cable list mentioned above.
1
20 mm (0.79 in)
12 mm (0.47 in)
24 mm (0.94 in)
24 mm (0.94 in)
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
BATT-
1
23 mm (0.91 in)
23 mm (0.91 in)
2
ON
1
ON
1
PV PV1- PV2+ PV2-
L1
N N N
BATT+ BATT-
2
1
14 mm (0.55 in)
14 mm (0.55 in)
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
BATT+ BATT-
2
12 mm (0.47 in)
PV1+ PV1- PV2+ PV2-
07
2 N·m
8 mm/0.31 in

Hybrid Inverter Quick Installation Guide
GRID L2
L1
L2
L1
N N N L2
EPS GRID
L1
GEN
L2
L1
Step 5 Communication Cable Connection
8-485A_2
6-485A_1
5-485B_1
4-CANL
3-CANH
2-NC
1-NC
7-485B_2
8-485B
7-485A
6-NC
5-CANL
4-CANH
3-NTC-
2-NC
1-NTC+
8-485A_2
6-485A_1
5-485B_1
4-CANL
3-CANH
2-NC
1-NC
7-485B_2
llelaraP llelaraP SMB
ON
1
ON
1
PV1+ PV1- PV2+ PV2-
© 2023 Hoymiles Power Electronics Inc. All rights reserved.
08

ON
1
ON
1
PV1+ PV1- PV2+ PV2-
BATT+ BATT-
Hybrid Inverter Quick Installation Guide
Label
Meter (485A1, 485B1, 485A2, 485B2)
BMS (NTC+, NTC-, CANH, CANL,
485A, 485B)
DI (DI_A, DI_B)
Parallel (CANH, CANL, 485A_1,
485B_1, 485A_2, 485B_2)
DO1 (NO1, COM1)
DO2 (NO2, COM2)
Description
For the Smart Meter. One is connected to the grid side,
and the other is connected to the third-party inverter.
Dry contact input of external bypass contactor.
For parallel operation.
120 Ohm termination resistor for parallel operation.
SW_485 (ON, OFF)
SW_CAN (ON, OFF)
+12V / GND
120 Ohm termination resistor for parallel operation.
For Li-ion battery, communication is via CAN or RS-485.
For lead-acid battery, temperature is monitored via
sensor through NTC+ and NTC-.
Reserved
Dry contact output. The DO1 can be set to one of the
functions as follows: Earth Fault Alarm, Load Control
and Generator Control.
Dry contact output. The DO2 will control the bypass
contactor under certain logic.
4G and Wi-Fi Connection
1 2 3
09