InstaGen INS-SI-3.6 String Inverter

Specifications

• Model Numbers: INS-SI-3.6, INS-SI-4.2, INS-SI-5, INS-SI-6
• Installation: On-Grid
• Wire Diameter: 9~15mm
• Cross-sectional Area: 4~6mm2

Installation

Check Packing List

*There are two versions of the COM2 connector, please select the appropriate version according to the order requirements.
**Optional

Installation Location

Installation Space

 Installation Angle

Mark the Position and Drill Holes

Fix Wall Bracket

Mounting Inverter

Grounding Terminal Connection

 

Electrical Connection

Electrical Wiring Diagram

AC Connection

PV String Connection

Monitoring Device Installation
If the inverter is connected to the Datalogger and SK, the Monitoring Device does not need to be connected, and refer to the Datalogger or SK manual to connect it to the internet.

SK installation (Optional)

SK terminals definition

Communication connection (Basic version)

Pin   1	Definition   RS485-A1	Function
2	RS485-A2	Communicate with
3	RS485-A1
		SK or Datalogger.
4	RS485-A2
5	/	Reserved

Communication connection (Extended version)

		Pin   1	RS 485 A2	Function
		2	RS 485 B2
		3	Fast stop +
		4	Fast stop –
		5	Dipswitch-1	Reserved
		6	Dipswitch-2	120Ω terminating resistor dipswitch between RS 485 A1 and RS 485 B1
		7	CT-S1
		8	CT-S2
		9	RS 485 A1	① Communicate with SK for export limit & 24 hours load consumption. ② ln case of multiple inverters, all the inverters can be daisy-chained via RS485 cables.
		10	RS 485 B1
		11	RS 485 A1
		12	RS 485 B1
		13	/
		14	/
		15	COM D/0	Reserved
		16	REF D/0
		17	DRM4/8
		18	DRM3/7
		19	DRM2/6
		20	DRM1/5

CT installation (Optional)

WiFi Module Configuration Guide

LAN Module Configuration Guide

If DHCP is enabled on the router, the LAN module does not need to be configured. Otherwise, the LAN module will need to be configured on inverter screen.

1. Find the “General Settings” by short pressing the button on the inverter screen.
2. Enter the “General Settings” by long pressing the button on the inverter screen.
3. Find “DHCP set” by short pressing the button, then turn off DHCP function by short pressing and long pressing the button on the inverter screen.
4. Then set the “IP Address”, “Gateway Address”, “Subnet Mask” and “DNS Address”. Short press to change the number, long press to confirm the number and jump to the next number.

Indicator

Inverter

Item	Indicator	Status		Description
1	Power and Alarm Indicator			No power.
		Green
		Red	Always on	An alarm or fault is detected, view the fault info on the display.
2	Grid Indicator		Grid lost.
		Always on
3	Communication Indicator	Green	Always on	– mally.
		Green	Flashing	or SK through RS485.
4	Display
5	Button

Monitoring Device

Indicator Status	Description
Off	Connection abnormal
Always On	Communicate with the server normally
Slow flashing	The monitoring device is not connected to the router or is not connected to the base station.
Quick flashing	The monitoring device is connected to the router or connected to the base station but not connected to the server.

Button	Description
Press 1 second	Reset device, the indicator goes off for 2 seconds, then flashes normally.
Press 5 second	Restore factory default settings, the indicator goes off for 2 seconds, then flashes once every 2 seconds, until the factory restore is completed.

www.instagroup.co.uk

FAQ

• Q: Do I need to connect the Monitoring Device if using a Datalogger and SK?
  A: If the inverter is connected to the Datalogger and SK, the Monitoring Device does not need to be connected. Refer to the Datalogger or SK manual for internet connection instructions.
• Q: What wire specifications should be used for AC connection?
  A: Use wire with a diameter of 9~15mm and a cross-sectional area of 4~6mm2 for AC connection.

Documents / Resources

InstaGen INS-SI-3.6 String Inverter [pdf] Installation Guide INS-SI-3.6, INS-SI-4.2, INS-SI-5, INS-SI-6, INS-SI-3.6 String Inverter, INS-SI-3.6, String Inverter, Inverter

References

• User Manual