Set Values For Heating Water Buffer Cylinder (Hwb) And High Temperature Maintenance - Viessmann PLC VITOCAL 350-HT PRO Service Instructions For Contractors

Configuring the system
Adjusting set values

Set values for heating water buffer cylinder (HWB) and high temperature maintenance

Launch with
■ "Menu"
■ "Set val."
■ "HWB"
Fig. 13
The following settings can be changed:
"Heating water buffer cyl."
■
Set temperature for the heating water buffer cylinder
■ "Maintaining set val"
Set temperature for high temperature maintenance.
The value may be overridden by the application lim-
its.
"Htg limit"
■
If the average outside temperature (averaging over
24 hours) is lower than this value, the heating func-
tion for the heating water buffer cylinder is enabled.
20
(cont.)
"Start temp, heating water buffer cylinder"
■
If the temperature differential at the top of the heat-
ing water buffer cylinder is greater than this value,
the heating function for the heating water buffer cyl-
inder is switched on.
"Stop temp, compressor stage 1/2/3"
■
If the temperature at the bottom of the heating water
buffer cylinder reaches these differentials, the
respective stages are switched off.