Viessmann Vitocal 350-A Installation And Service Instructions Manual page 67

Connecting the heating circuits and condensate...
3.
C
D
2.
1. Fit pipe section with sensor well A.
2. Secure flow temperature sensor for
secondary circuit C with spring clip
B in sensor well.
1.
A
B
3. Connect sensor lead plug D and
Installation sequence
lead to the heat pump control unit.
(Lead with plug, 2.0 m long; extend
on site if required).
Connection in the heat pump control
unit to PCB 3 (sensor PCB, see
page 89).
(cont.)
67