User Manual

4
Abbreviations
and Descripti-
ons Used
DC cable ‘OUT’ DC output cable from Fronius String Control 250/25
to inverter.
The polarity of the DC cable ‘OUT’ depends on how
the solar module strings are connected to the Fronius
String Control 250/25.
DC cable ‘IN’ Solar module strings from the solar modules to the
Fronius String Control 250/25.
Each solar module string has one DC+ cable and one
DC- cable.
The device is intended solely for use as a collector and measuring device
for the solar module DC strings.
The device may be operated only with the following inverters:
- Fronius CL 33.3 DELTA / 44.4 DELTA / 55.5 DELTA
- Fronius CL 36.0 WYE 277 / 48.0 WYE 277 / 60.0 WYE 277
Any other purpose does not constitute intended use.
The manufacturer shall not be liable for any damage resulting from such
improper use.
Intended use also includes following all information from the operating
instructions.
- 1 Fronius String Control 250/25
- 1 silicone tube
Intended Use
Scope of
Supply
Your Fronius String Control 250/25 complies with the requirements for the
following standards "Inverters, converters and controllers for use in inde-
pendent power systems":
- UL1741-2005
- ANSI / IEEE C62.41
- C22.2 No. 107.1-01 (Sep. 2001)
The respective conformity declarations can be found in the appendix to
these operating instructions.
Standards and
Regulations
Product lis-
tings and
compliance
FCC Compli-
ance
This device complies with Part 15 of the FCC Rules. Operation
is subject to the following conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.