Viessmann vitodens Technical Manual page 27

Vitotronic 200 and Vitotronic 333 accessories
Vitotronic 200 extension kit for one
heating circuit with mixer
(KM BUS user),
part no. 7178 995
Mixer control
The mixer regulator is mounted directly
on the Viessmann mixer DN 20 to 50 and
R ½" to 1¼".
The mixer regulator is a motorised control
unit. Rotational direction may be reversed.
With connection plug for heating circuit
pump, flow temperature sensor (contact
sensor), mains and BUS connection.
Rated voltage: 230 V~
Rated frequency: 50 Hz
Rated current: 4 (2) A
Power consumption: 6.5 W
Safety class:
Test class: II
Protection: IP 32 D to
EN 60529
Permissible ambient
temperature
H in operation: 20 to +40 ºC
H during storage
and transport: 20 to +65 ºC
Relay output breaking
capacity for heating
circuit pump sÖ: 4 (2) A 230 V~
Motor:
Torque: 3 Nm
Run time for 90ºí: 2 minutes
Dead zone of PI controller
at a slope of 1.4: ±1.2 K
Flow temperature sensor (contact sensor)
Secured with a tie.
Cable length approx. 2 m,
wired ready to plug in
Protection: IP 32
Permissible ambient
temperature
H in operation: 20 to +100 ºC
H during storage
and transport: 20 to + 70 ºC
VITODENS
Vitotronic 200 and Vitotronic 333 accessories
Vitotronic 333 extension kit for one
heating circuit with mixer,
part no. 7450 650
comprising a mixer motor with
connecting cable (4 m lang), plug-in
connector and flow temperature sensor
(contact temperature sensor).
Mixer motor
The mixer motor is mounted directly on
the Viessmann mixer DN 20 to 50 and
R ½" to 1¼".
Rated voltage: 230 V~
Rated frequency: 50 Hz
Power consumption: 4 W
Protection: IP 42 to
EN 60 529.
Safeguard
through design/
installation.
Permissible ambient
temperature
H in operation: 20 to +40 ºC
H during storage
and transport: 20 to +65 ºC
Torque: 3 Nm
Run time for 90ºí: 2 minutes
Contact temperature sensor
For recording the flow temperature.
Secured with a tie.
Cable length 5.8 m, ready to plug in.
Protection: IP 32 to
EN 60 529.
Safeguard
through design/
installation.
Permissible ambient
temperature
H in operation: 20 to +130 ºC
H during storage
and transport: 20 to + 70 ºC
Mixer motor for flanged mixer see the
control unit accessories, register Vitotec 1.
1.2 Specification
Immersion thermostat
As temperature limiter for limiting the
max. temperature of underfloor heating
systems,
part no. 7151 728
"
R
The temperature limiter is installed into the
heating flow and switches the heating circuit
pump OFF if the flow temp. is too high.
With connecting cable (approx. 4 m long)
and system plug.
Setting range: 30 to 80 ºC
Switching differential: max. 11 K
Breaking capacity: 6 (1.5) A 250 V~
Setting scale: inside casing
Stainless steel sensor well: R ½" × 200 mm
DIN reg. no: DIN TR 777 03
or
DIN TR 968 03
or
DIN TR 1103 02
or
Contact thermostat
As temperature limiter for limiting the max.
temp. of underfloor heating systems,
part no. 7151 729
(only in conjunction with metallic pipes)
The temperature limiter is installed into the
heating flow and switches the heating circuit
pump OFF if the flow temp. is too high.
With connecting cable (approx. 4 m long)
and system plug.
Setting range: 30 to 80 ºC
Switching differential: max. 14 K
Breaking capacity: 6 (1.5) A 250 V~
Setting scale: inside casing
DIN reg. no: DIN TR 777 03
or
DIN TR 968 03
or
DIN TR 1103 02
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