Viessmann VITOPLEX 300 Type TX3A - Page 79

S
Safety equipment.............................................................................30
Safety precautions...........................................................................28
Safety temperature.....................................................................28, 31
Saline water.....................................................................................45
Set boiler water temperature............................................................68
Shunt pump......................................................................................29
Single boiler system.........................................................................72
Single boiler systems.......................................................................50
Sizing...............................................................................................33
Sound insulation...............................................................................44
Standard seasonal efficiency [to DIN]....................5, 6, 7, 8, 9, 10, 11
Starting, load-dependent............................................................70, 71
Starting subject to load.....................................................................72
Switching a feed pump.....................................................................68
Switching output...............................................................................68
Switching points...............................................................................53
System accessories.........................................................................29
T
Temperature sensor
■ Outside temperature.....................................................................54
■ Room temperature........................................................................66
Tests according to the BetrSichV [Germany]...................................75
Therm-Control........................................................................5, 7, 8, 9
Thermostat
■ Contact temperature.....................................................................64
■ Immersion temperature.................................................................64
Third party cascade..........................................................................68
Time switch................................................................................56, 60
Two-stage burner.......................................................................72, 73
V
Vitotrol
■ 200................................................................................................65
■ 300................................................................................................65
W
Water quality, standard values.........................................................44
Water treatment...............................................................................47
Water with a low salt content...........................................................45
Keyword index
OIL/GAS BOILERS
VIESMANN
79
5822 426 GB