Single boiler systems
Vitotronic 100, type GC1
Electronic boiler control unit
■ For constant boiler water temperature
or
Weather-compensated operation in conjunction with the Vitocontrol
control panel and integral heating circuit control unit Vitotronic 200-
H, type HK1S/HK3S (see separate datasheet)
or
Weather-compensated operation in conjunction with an external
control unit
■ For two-stage or modulating burners, if installed
■ With cylinder thermostat
or
Control of a primary store system with mixer assembly (only availa-
ble as an alternative to the control of a constant return temperature
raising facility with a regulated three-way valve)
■ With boiler protection function subject to boiler version:
– Therm-Control
– Shunt pump
– Control of a constant return temperature raising facility with a
regulated three-way valve (only available as an alternative to the
control of a primary store system with mixer assembly)
■ With integral diagnostic system
■ Function extension (accessories):
To default an additional set boiler water temperature via 0 – 10 V
input
■ Via external contacts:
– Requirement to default set boiler water temperature
– Switching ON burner stages 1 and 2
– Changeover stepped/modulating operation
■ With capability to communicate via LON (order a LON communica-
tion module separately)
According to the Energy Savings Order [Germany], a weather-com-
pensated or room temperature-dependent control unit with time pro-
gram for reduced mode must be installed downstream.
Vitotronic 200, type GW1
Weather-compensated, digital boiler control unit
■ For single boiler systems
■ For two-stage or modulating burners, if installed
■ With time switch with individual and seven-day programs
■ With plain text programming unit
■ With separately adjustable periods
■ With cylinder thermostat
or
Control of a cylinder primary system with mixer assembly (only avail-
able as an alternative to the control of a constant return temperature
raising facility with a regulated three-way valve)
■ With boiler protection function subject to boiler version:
– Therm-Control
– Shunt pump
– Control of a constant return temperature raising facility with a
regulated three-way valve (only available as an alternative to the
control of a cylinder primary system with mixer assembly)
■ With integral diagnostic system
■ A function extension to default the set boiler water temperature via
a 0 - 10 V input can be connected (accessories).
■ Via external contacts:
– Heating program changeover
– Requirement to default set flow temperature
– Blocking the burner
– Changeover stepped/modulating operation
■ With capability to communicate via LON (order a LON communica-
tion module separately)
Control units
(cont.)
50
VIESMANN
OIL/GAS BOILERS
11
5822 426 GB
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