Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 146 / 160

Setting parameters Setting range Standard
setting Commission-
ing
Excess reaction
0 to 2 * 1
2
Room temperature
sensor No/Yes No
Slope, room tempera-
ture hook-up 0 to 10 10
Room temperature
hook-up
0 to 3 * 2
0
Start optimisation No/Yes No
Max. flow temperature
correction 0.1 to 10.0 K 10.0 K
Room temperature
control No/Yes No
Heating curve level -15 to 40 K 0 K
Heating curve slope 0.0 to 3.5 0.6
Integral room tempera-
ture controller 5 to 1000 100
Room temperature ex-
cess 0 to 20 K 5 K
Flow T excess -10 to 40 K 0 K
Mixer runtime 0:05 to 4:15 min 0:10 minutes
Screed function 0 to 15 0 (passive)
Mixer active zone 2 to 40 K 4 K
Mixer dead zone 0.5 to 3 K 1 K
Natural cooling No/Yes No
Cooling limit > T room 2 to 20 K 4 K
Level, cooling curve -15 to 40 0
Slope, cooling curve 0.0 to 3.5 1.2
Natural cooling with
mixer No/Yes No
Active zone natural
cooling
–
mixer
2 to 40 K 4 K
Dead zone natural
cooling
–
mixer
0.5 to 3 K 1 K
Cooling mixer runtime 0:05 to 4:15 min 0:10 minutes
DHW buffer cylinder
Buffer cylinder No/Yes No
Reports of control parameters
(cont.)
146
Commissioning/service reports
55
92
901
GB
*1
0: no reaction; 1: Draw-off only in case of critical excess; 2: Always draw-off.
*2
0: never; 1: only reduced mode; 2: only standard mode; 3: in reduced and in standard
mode.