Viessmann Vitoligno 300-P Service Instructions For Contractors page 28

Commissioning, inspection, maintenance
Further details regarding the individual steps
Electrical diagram
7
B
/
wE rE
tQ / tE
/
tW 3
qZ
qU
qT
eQ
qI
/
wQ rW
A PCB A2 connection
B Install the temperature limiter rQ for
underfloor heating systems or high
limit safety cut-out qT for solar cir-
cuit pump in accordance with the
installation instructions.
28
A
rR eE
(cont.)
eW tR qW qR