Heating Water Buffer Cylinder (Hwb) - Viessmann PLC VITOCAL 350-HT PRO Service Instructions For Contractors

Diagnosis
Operating conditions and actuator tests

Heating water buffer cylinder (HWB)

Launch with
■ "Menu"
■ "HWB"
Fig. 28
Secondary pump
3-way mixing valve, secondary high temperature
maintenance
Set and actual values, high temperature mainte-
A
nance
Buttons:
See page 48.
■
See page 49.
■
"Manual"
■
Heating water buffer cylinder is heated for 5 min
42
(cont.)
Set value for heating water buffer cylinder
B
Heating water buffer cylinder temperature, top
C
Heating water buffer cylinder temperature, bottom
D
Temperature, inlet, heat pump, secondary
E