APsystems QT2 Bedienungsanleitung

APsystems Microinverter Quick Installation Guide

APsystems QT2 Microinverter

(For EMEA)

ALTENERGY POWER SYSTEM Inc.

emea.APsystems.com

APsystems

Karspeldreef 8, 1101 CJ, Amsterdam, The Netherlands

Tel: +31 (0)85 3018499 EMAIL: info.emea@APsystems.com

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information

APsystems

Rue des Monts d’Or, ZAC de Folliouses Sud-Les Echets 01700 Miribel,

France

TEL: +

481

:info

emea@APsystems

com

2022/08/19 Rev 3.0 Quick Installation Guide

QT2 Microinverter Quick Installation Guide

Step 1. Verify that grid voltage matches microinverter rating

Step 2. Y3 AC Bus Cable distribution

a. Each connector drop of the AC Bus cable matches the position of the microinverter.

b. One end of the AC bus cable is used to access the junction box into the power grid.

c. Wire the conductors of the AC bus: L1 - BROWN; L2 - BLACK; L3 - GRAY (European

Standard); or L1 - BLACK; L2 - RED; L3 - BLUE (American Standard).

NOTE: Wiring color code can be different according to the local regulation. Check all the wires of

the installation before connecting to the AC bus to be sure they match. Wrong cabling can damage

irreparably the microinverters: such damage is not covered by the warranty.

Step 3. Attach the APsystems Microinverters to the Racking

NOTE: Install the microinverters (including DC and AC connectors) under the PV modules to avoid

direct exposure to rain, UV or other harmful weather events. Allow a minimum of 1.5 cm (3/4’’)

below and above the casing of the microinverter to allow proper air flow. The racking must be

properly grounded as per local electrical code.

ATTENTION: Do NOT carry the

microinverter by the AC cable. This

may cause the AC cable to partially

or fully disconnect from the unit,

resulting in no or poor operation.

a. Mark the location of the microinverter on the rack, with respect to the PV module junction box or

any other obstructions.

b. Mount one microinverter at each of these locations using hardware recommended by your module

racking vendor, make sure the grounding washer is facing the racking.

Step 4. Ground the system

There’re 2 ways to ground the QT2 series microinverters.

1. By grounding washer attached.

After the microinverters and racking are reliably installed, the microinverter’s grounding washer can

connect to the racking to ensure proper earthing.

(Not supplied by APsystems)

2. By grounding copper wire.

Fix the grounding copper wire by the grounding lug.

grounding

lug

grounding washer

Warning injure hand

2022/08/19 Rev 3.0 Quick Installation Guide

Step 5. Connect the APsystems microinverter to AC bus cable

Insert the microinverter AC connector into the trunk cable connector. Make sure to hear the “click” as a

proof of robust connection.

Step 6. Install a Bus Cable End Cap at the end of AC bus cable

Step 7. Place the PV modules and connect each QT2 to the PV modules

NOTE: When plugging in the DC cables, the microinverter should immediately blink green ten times.

This will happen as soon as the DC cables are plugged in and will show that the microinverter is

functioning correctly. This entire check function will start and end within 10 seconds of plugging in

the unit, so pay careful attention to these lights when connecting the DC cables.

WARNING! Double check to make sure all of the AC and DC wiring has been correctly installed.

Ensure that none of the AC and/or DC wires are pinched or damaged. Make sure that all of the

junction boxes are properly closed.

WARNING! Each pv panel must be carefully connected to the same channel.

Never split positive and negative cables into two different channels, otherwise the inverter will be

damaged and warranty will not apply.

NOTE: No neutral wire output from inverter. Compatible with both Delta and Wye 3-phase

grid.

Click

NOTE: AC connector interface as

from left to right. NOTE: Cover any unused connectors with Bus Cable Y-

CONN Cap to protect the unused connectors.

Best Practice: Use the Bus Cable Unlock Tool of AC Bus

to disconnect the connectors.

25mm-30mm

Nut

Seal

Body

3.3

N·

2022/08/19 Rev 3.0 Quick Installation Guide

Step 8. Complete the APsystems installation map

a. Each APsystems Microinverter has 2 removable serial number labels.

b. Complete installation map by sticking ID label of each microinverter at the right location.

c. The second serial number label, could be stuck on the solar module frame, which could help

later to confirm the position of the microinverter without dismantling the PV module.

NOTE: . The layout of the microinverters’

serial numbers installation map is only suitable for

typical Installation.

. Installation Map is available in the last page appendix of this manual.

.

Use ECU_APP (available in the EMA Manager) to scan the serial numbers on the map

when setting up the E

CU (see ECU instruction manual for more info)

Produce: information is subject to change without notice. (Please download manuals at www.APsystems.com).

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