8000020416_01 Installation instructions 7
2 Notes on the documentation
▶ Always observe all the operating and installation instruc-
tions included with the system components.
▶ Pass these instructions and all other applicable docu-
ments on to the end user.
These instructions apply for the following products only:
Product article number
VR 33
8000020151
3 Product description
3.1 Scope of delivery/product overview
→ Fig. 1.1
1. Interface PCB
2. Slot X12
3. Status LED
4. Grommet with strain relief
5. Connection cable X31, interface PCB to heat generator
PCB
6. Plug X12 with connection terminals for third-party con-
trol
Observe the figures at the end of the instructions.
3.2 CE marking
The CE marking shows that the products comply with the
basic requirements of the applicable directives as stated on
the declaration of conformity.
The declaration of conformity can be viewed at the manufac-
turer's site.
4 Assembly and installation
Only qualified electricians may carry out the electrical install-
ation. Observe the instructions that are supplied with the
product and all applicable directives, standards, laws and
other regulations.
▶ Observe the installation instructions for the heat gener-
ator.
4.1 Regulations (directives, laws, standards)
▶ Observe the national regulations, standards, directives,
ordinances and laws.
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