&
Fault message display
&
Keys:
– Program selecti on
– Boiler water temperature
– DHW t emperature
– DHW conven ience function
– Emissions test function
Functions
&
Electronic boi ler control unit for operation at a constant boiler
water temperature
&
Room temperature-dependent operation requires a Vitotrol 100,
type UTA or UTD (according t o EnEV [Germany])
&
Heating system frost protection
&
Integral diagnostics system
&
Integral cylinder thermostat
Control characteristic s
PI characteristics with modulating output.
Setting the heating programs
The heatin g system frost protection (see frost protection function)
applies to all heating programs.
You can select the following heating programs with the program
keys:
&
Heating and DHW
&
DHW only
&
Standby mode
Frost p rotection function
The burne r is switched ON when the boiler water temperature
reaches 5 °C and will be switched OFF again, when the boiler
water temperature reaches 40 °C.
The circula tion pump will be switched ON simultaneously with the
burner and switched OFF after a delay.
To protect the system against frost, t he circulation pump can be
started at certain intervals (up to 24 times per day) f or periods of
approx. 10 minutes.
Summer mode
Heating prog ram "w"
The burne r starts only when the DHW cylinder needs to be heated
up again.
Boiler water temperature sensor
The boiler water temperature sensor is connected to the control
unit and built into the boiler.
Specification
Permissible ambient temperature
– during operation 0 to +130 °C
– during storage and transport -20 to +70 °C
Cylinder temperature sensor
The cylinder temperature sensor is integrated i nto the boiler.
Specification
Protection IP 32
Permissible ambient temperature
– during operation 0 to +90 °C
– during storage and transport -20 to +70 °C
Outlet temperature sensor
The outlet temperature sensor is integrated into the boil er.
Specification
Protection IP 32
Permissible ambient temperature
– during operation 0 to +90 °C
– during storage and transport -20 to +70 °C
Internal extension H1
The internal extension H1 is integrated into the control unit.
Function:
&
Switches the cylinder primary pump
&
Optional connection of an external safety solenoid valve (LPG)
Rated breaking capacity of the relay output: 1(0.5) A 250 V~
Specification
Rated voltage 230 V~
Rated frequency 50 Hz
Specification Vitotronic 100, type HC1
Rated voltage 230 V~
Rated frequency 50 Hz
Rated current 6 A
Protection class I
Function Type 1 B to EN 60730-1
Permissible ambient temperature
– during operation 0 to +40 °C
Installation in living spaces
or boiler rooms (standard
ambient conditions)
– during storage and transport -20 to +65 °C
Electronic control thermostat set-
ting:
76 °C (fixed)
Electronic temperature limiter set-
ting (heating mode)
84 °C (fixed)
Temperature limiter setting 100 °C (fi xed)
Setting range for the DHW tem-
perature
10 to 60 °C
AccessoriesfortheVitotronic100,typeHC1
Vitotrol 100, type UTA
Part no. 7170 14 9
Room thermostat
&
With switching output (two-point output)
&
With analog time switch
&
With adjustable individual day program
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Standard swi tching times are factory-set (individually program-
mable)
&
Shortest switching interval 15 minutes
Install the Vitotrol 100 in the main living room on an internal wall
opposite radiators, but not inside shelf units, recesses, immedi-
ately by a door or a heat source (e.g. direct sunlight, fireplace, TV
set, etc.).
Control unit connection:
3-core cable with a cross-section of 1.5 mm
2
(without green/yel-
low) for 230 V~.
5822 335-1 GB
16 VIESMANN VITOPEND 222
Vitotronic 100, type HC1 (constant temperature mode) (cont.)
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