Power Supply - Viessmann Vitotronic 200 Installation And Service Instructions Manual

Connecting a three-phase burner
aBÖ Plug for external connections
a External safety equipment;
remove jumper when con-
necting
aBA Safety chain (STB)

Power supply

Directives
Regulations
Carry out the power supply connec-
tion and all earthing measures (i.e
fault current circuit) in accordance
with IEC 364, the requirements of
your local electricity supply company,
VDE or national regulations.
Main isolator requirements (if required)
For combustion equipment to DIN
VDE 0116, the main isolator installed
on site must comply with the require-
ments of DIN VDE 0116 "section 6" [or
local regulations].
Recommended power supply cable
Three-core cable selected from the
following options:
H05VV-F3G 1,5 mm
H05RN-F3G 1,5 mm
(cont.)
Protect the power supply cable to the
control unit with an appropriate fuse.
Fit the main isolator outside the instal-
lation room; it must be able to sepa-
rate all non-earthed conductors
simultaneously with a gap of 3 mm at
least.
2
2
Installation sequence
35