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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
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SUN2000 Dimensions

Figure 2-4 shows the SUN2000 dimensions.

Figure 2-4  SUN2000 dimensions (including the mounting plate)

Front View

Figure 2-5 shows the SUN2000 front view.

Figure 2-5  SUN2000 front view

(1) Maintenance compartment door

(2) LED indicator

(3) Host panel

Table 2-2 describes the LED indicators.

Table 2-2  LED indicator description (from left to right)

Indicator

Status

Meaning

PV connection indicator

Green on

At least one PV string is properly connected, and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V.

Green off

The SUN2000 disconnects from all PV strings, or the DC input voltage of each MPPT circuit is less than 200 V.

Grid-tied indicator

Green on

The SUN2000 connects to the power grid.

Green off

The SUN2000 does not connect to the power grid.

Communications indicator

Blinking green at short intervals (on for 0.5s and then off for 0.5s)

The SUN2000 receives communications data normally.

Green off

The SUN2000 receives no communications data for 10s.

Alarm/Maintenance indicator

Alarm status

Blinking red at long intervals (on for 1s and then off for 4s)

A warning alarm is generated.

Blinking red at short intervals (on for 0.5s and then off for 0.5s)

A minor alarm is generated.

Steady red

A major alarm is generated.

Local maintenance status

Blinking green at long intervals (on for 1s and then off for 1s)

Local maintenance is in progress.

Blinking green at short intervals (on for 0.125s and then off for 0.125s)

Local maintenance fails.

Steady green

Local maintenance succeeds.

NOTE:
  • Local maintenance refers to operations performed after a USB flash drive, a WLAN module, a Bluetooth module, or a USB data cable is inserted into the USB port of the solar inverter. For example, local maintenance includes data import and export using a USB flash drive, and connecting to the SUN2000 app over a WLAN module, a Bluetooth module, or a USB data cable.
  • If the alarming and the local maintenance happen concurrently, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state.

SUN2000 Rear View

Figure 2-6 shows the SUN2000 rear view.

Figure 2-6  SUN2000 rear view

(1) Heat sink

(2) Mounting plate

SUN2000 bottom view

Figure 2-7 shows the SUN2000 bottom view.

Figure 2-7  SUN2000 bottom view

No.

Component

Silk Screen

1

Waterproof cable connector (inner diameter: 18–44 mm)

AC OUTPUT 1

2

Waterproof cable connector (inner diameter: 24–32 mm)

AC OUTPUT 2

3

USB port

USB

4

DC switch 1

DC SWITCH 1

5

DC switch 2

DC SWITCH 2

6

Waterproof cable connectors (inner diameter: 14–18 mm)

COM1, COM2, COM3

7

DC input terminals (controlled by DC SWITCH 1)

+/–

8

DC input terminals (controlled by DC SWITCH 2)

+/–

NOTE:
  • Waterproof cable connector is abbreviated as waterproof connector in the following text.
  • Use the USB port only during maintenance (such as power-on setting, upgrade, and data export). Ensure that the USB cover is tightened when the USB port is not in use.
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Updated: 2019-08-02

Document ID: EDOC1100019925

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