User Manual THEIA HE-t String Inverters 357115.013, Issue 1.0, 2011 April 5
2. Product Overview
This chapter gives an overview of the inverter with its supplied components, and how they are
assembled. A brief explanation of how to unpack and handle the inverter safely is given, and
symbols appearing both on the inverter and in this User Manual are explained.
2.1. Standards and Approvals
THEIA HE-t inverters are compatible with the following directives and safety standards:
Grid Protection Safety EMC
VDE 0126
G83/1
C10/11
EN 50438
RD 1663, 663
AS 4777.2/.3
DK 5940
ÖNORM E 8001-4-712
IEC 61727
EN 50 178
IEC 62103, 62109
AS 3100
IEC/EN 61 000-6-2 (immunity)
IEC/EN 61 000-6-3 (emission)
IEC/EN 61 000-3-2/-12 (harmonics)
IEC/EN 61000-3-3/-11(flicker)
2.2. General Information
Several variants of the THEIA HE-t are available for different configurations and country
specific requirements.
2.2.1. Variants
The instructions given in this User Manual are applicable to the following models of THEIA
HE-t solar inverters:
• THEIA 2.0 HE-t
• THEIA 2.9 HE-t
• THEIA 3.8 HE-t
• THEIA 4.4 HE-t
2.2.2. Options
• Stringbox or connector panel
• DC switch
• Ungrounded PV strings or positive/negative grounded PV strings
• DC fuse holders
• DC plug-in connectors or screw clamp terminals
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