Registration Number 011-7S1990 R
Certificate / Registration Holder:
Linuo Ritter International Co.,Ltd
No.30766 East Jingshi Road,
Jinan,
China

Phone: +86 (0)531-88729311
Fax: +86 (0)531 88729223
Email: info@linuo-ritter-international.com
Internet: www.linuo-ritter-international.com
Product: Solar collectors
Type / Model:

U 1521
Testing Basis: DIN EN 12975-1:2011-01
DIN EN ISO 9806:2014-06
Solar KEYMARK Scheme Rules (as of 2022-06)
Mark of Conformity: Quality mark KEYMARK / DIN-Geprüft
Registration Number: 011-7S1990 R
Valid until: 2028-07-31
Technical Data:

See data sheet, part of the test report of 2018-07-27

Note(s):

- The freeze resistance test according to DIN EN ISO 9806, clause 15 was
not necessary. According to the manufacturer's declaration, the
certified solar collectors may be used in frost exposed areas only in
combination with appopriate frost protection mixtures or with
appropriate frost protection controller.
Document: Info(PDF)