Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 7 / 160

Buffer cylinder ............................................................................................ 115
Buffer cylinder program............................................................................... 115
Fixed temperature ...................................................................................... 115
Hysteresis temperature............................................................................... 116
Maximum temperature ................................................................................ 116
Stop optimisation ........................................................................................ 117
Excess reaction .......................................................................................... 117
Second temperature sensor ........................................................................ 117
Control settings "natural cooling"
When are these settings required? .............................................................. 118
"Natural cooling circuit" (separate) .............................................................. 118
Room temperature ...................................................................................... 118
Room temperature hysteresis ..................................................................... 118
Room temperature control .......................................................................... 119
Room temperature hook-up slope ............................................................... 119
Level/Slope, cooling curve .......................................................................... 120
Integral room temperature controller ........................................................... 120
Minimum flow temperature .......................................................................... 120
"Natural cooling" with mixer ........................................................................ 120
Cooling mixer runtime ................................................................................. 121
Mixer active zone/dead zone ...................................................................... 121
Control settings, external heat source
External heat source ................................................................................... 122
Priority, external heat source....................................................................... 122
Temperature limit for operation.................................................................... 122
Threshold, external heat source .................................................................. 123
Delay, external heat source......................................................................... 123
Mixer temperature limit ............................................................................... 124
Minimum runtime ........................................................................................ 124
Runtime without demand ............................................................................ 124
Mixer active zone/dead zone....................................................................... 124
Flow temperature excess ............................................................................ 125
Power-OFF................................................................................................. 125
Components
Sensor resistance curves............................................................................ 126
Fuse ........................................................................................................... 126
Phase monitor ............................................................................................ 127
Connection and wiring diagrams
Sensor connections and function ................................................................ 130
Index
(cont.)
7
Index
55
92
901
GB