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SUN2000-(3KTL-10KTL) User Manual

This document describes the SUN2000-3KTL-M0, SUN2000-4KTL-M0, SUN2000-5KTL-M0, SUN2000-6KTL-M0, SUN2000-8KTL-M0, SUN2000-10KTL-M0, and SUN2000-12KTL-M0 in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074467, 01074295, 01074300, 01074301, 01074302, 01074306, 01074311, 01074314, 01074315, 01074316, 01074320
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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).
Preparing for Installation

Preparing for Installation

Figure 5-1 SUN2000 cable connections (optional in dashed boxes)

If the Smart Dongle is configured, you are advised to install the Smart Dongle before connecting the signal cable.

Table 5-1 Component description

No.

Component

Description

Source

A

PV module

  • A PV string is composed of the PV modules connected in series. The PV modules can work with an optimizer.
  • The SUN2000 supports the input from two PV strings.

Prepared by the customer

B

DC switch

Recommended: a PV circuit breaker with a rated voltage greater than or equal to 1,100 V DC and a rated current of 15 A.

Prepared by the customer

C

Smart Dongle

Supported models include:
  • WLAN Smart Dongle: SDongleA-01.
  • 4G Smart Dongle: SDongleA-03.

Purchased from Huawei

D

SUN2000

Select a proper model based on requirements.

Purchased from Huawei

E

Electricity meter

The recommended electricity meter model is DTSU666-H.

Purchased from Huawei

F

Power grid scheduling device

Choose a device that meets requirements of power grid scheduling.

Provided by local power grid companies

G

AC switch

Recommended: a three-phase AC circuit breaker with a rated voltage greater than or equal to 380 V AC and a rated current of:
  • 16 A (SUN2000-3KTL-M0, SUN2000-4KTL-M0, SUN2000-5KTL-M0, SUN2000-6KTL-M0)
  • 25 A (SUN2000-8KTL-M0, SUN2000-10KTL-M0)

Prepared by the customer

Table 5-2 Cable description

No.

Name

Type

Specifications

1

DC input power cable

Standard PV cable in the industry

  • Conductor cross-sectional area: 4–6 mm2
  • Cable outer diameter: 4.5–7.8 mm

2

(Optional) RS485 communications cable (used to cascade inverters or connect to the RS485 signal port on the SmartLogger)

Two-core outdoor shielded twisted pair cable

  • Conductor cross-sectional area: 0.2–1 mm2
  • Cable outer diameter: 4–11 mm

3

(Optional) RS485 communications cable (used to connect to the RS485 signal port on devices such as the Smart Power Sensor and the energy storage device)

Two-core outdoor shielded twisted pair cable

  • Conductor cross-sectional area: 0.2–1 mm2

    Note: When devices such as the Smart Power Sensor and the energy storage device are both connected to the inverter, use 0.2–0.5 mm2 cords.

  • Cable outer diameter: 4–11 mm

4

(Optional) Power grid scheduling signal cable

Five-core outdoor cable

  • Conductor cross-sectional area: 0.2–1 mm2
  • Cable outer diameter: 4–11 mm

5

AC output power cable

Outdoor copper cable

  • Conductor cross-sectional area: 4–6 mm2
  • Cable outer diameter: 10–21 mm

6

PE cable

Single-core outdoor copper cable

Conductor cross-sectional area ≥ 4 mm2

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Updated: 2019-05-31

Document ID: EDOC1100059932

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