Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 145 / 160

Setting parameters Setting range Standard
setting Commission-
ing
DHW program tem-
perature 7-day program OFF
DHW circulation pump
program 7-day program OFF
Operating mode
0 to 6 * 1
4
DHW cylinder max. 20 to 80 °C 60 °C
Hysteresis, DHW elec-
tric heating 2 to 30 K 10 K
Hysteresis 1 to 10 K 7 K
Start optimisation No/Yes Yes
Stop optimisation No/Yes Yes
Auxiliary DHW func-
tion No/Yes No
Set DHW temperature
2 10 to 70 °C 60 °C
DHW temperature
sensor 2, bottom No/Yes No
Excess reaction
0 to 2 * 2
2
DHW with electric
power No/Yes Yes
DHW priority No/Yes Yes
Max. DHW runtime 00:10 to 24:00 h 04:00 h
Max. DHW interruption 00:10 to 24:00 h 01:30 h
Temperature rise per
hour 0 to 100 K/h 26 K/h
Electric heater rod No/Yes No
Heating circuit
Standard temperature 10 to 30 °C 20 °C
Reduced temperature 10 to 30 °C 14 °C
Temp. program HC 7-day program OFF
Operating mode
0 to 7 * 3
4
Max. flow temperature 10 to 70 °C 40 °C
Min. flow temperature 1 to 30 °C 10 °C
DHW during party
mode No/Yes Yes
Reports of control parameters
(cont.)
145
Commissioning/service reports
55
92
901
GB
Service
*1
0: Standby; 1: Reduced; 2: Standard; 3: Fixed value; 4: Rotary selector; 5: External;
6: Switching times.
*2
0: no reaction; 1: Draw-off only in case of critical excess; 2: Always draw-off.
*3
0: Standby; 1: Reduced; 2: Standard; 3: Fixed value (at max. flow temperature); 4: Rotary
selector; 5: External (no function); 6: Switching times; 7: Remote control.