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Room Temperature Sensor,
Part No. 7133 379
Separate room temperature sensor used in
addition to the RS remote control for
applications where the RS remote control
unit cannot be positioned in the main living
area or in a suitable location for temperature
measurement/setting purposes.
The room temperature sensor is mounted on
an inside wall of the main living area
opposite radiators, but not in shelves,
alcoves or immediately next to doors or
sources of heat (e.g. in direct sunlight, next
to a fireplace, TV etc.).
The room temperature sensor is connected
to the RS remote control unit.
Electrical connection:
H 2-wire cable with a wire size of min. AWG
16 copper
H The cable length between the control unit,
remote control unit and room temperature
sensor must not exceed 98 ft./30 m
H Cable to the outdoor sensor must not be
laid near line voltage wiring (120/240 V)
Max. ambient temperature
H at operation:
32 to 104
0 to
H when storing
or transporting:
–4 to +149 ºF
H
–20 to +65 ºC
Expansion Board,
for Vitodens 200 up to model WB2 8-32
Part No. 7134 209
for Vitodens 200 model WB2 11-44 and up
Part No. 7134 211
With the installation of an expansion board
the following capabilities are added:
H Connection of an additional heating circuit
pump (only for models up to WB2 8-32)
H Connection of a dry contact to operate an
external alarm with the following ratings:
24/250 V, 5 A
Please see following table.
Pump
WB2-24C
––
WB2-24
H
WB2-32
H
WB2-44
––
WB2-60
––
Control for Weather-Responsive Operation/Vitodens 200
Accessories for Vitodens 200
Neutralization Unit for Single-Boiler
Applications
with neutralizing granulate
for Vitodens 200 up to model WB2 8-32
Part No. 7134 231
310
for Vitodens 200 model WB2 11-44 and up
Part No. 7134 232
400
Neutralization Pellets
(4.4 x 2.9 lbs./2 x 1.3 kg)
Part No. 9524 670
For refill or replacement purposes
ºF–
40 ºC
Cosmetic Piping Cover for Installation
Fittings
to cover water and gas fittings and piping,
for Vitodens 200 up to model WB2 8-32
Part No. 7339 571
Conversion Kit
for fuel conversion in the field from
–natural gas to liquid propane
–liquid propane to natural gas
Alarm
(When ordering, please state
H
–type of fuel conversion
H
–boiler model no.)
H
H
H
Low-Loss Header
(not applicable to Combi Series boilers!)
–Type 80/50
Part No. 7134 230
(max. flow rate 17.6 GPM / 4 m
–Type 120/80
Part No. 7134 244
(max. flow rate 35.2 GPM / 8 m
DN 40
–Type 160/80
Part No. 7134 293
(max. flow rate 44 GPM / 10 m
–Type 200/120
Part No. 7134 294
(max. flow rate 80 GPM / 18 m
DN 40
When used in conjunction with the Vitodens
200 boiler, the low-loss header acts as
hydraulic break, decoupling boiler and
system circuits from each other.
It is recommended to use the low-loss
header in applications in which the total
system flow rate exceeds the maximum
boiler flow rate.
For maximum boiler flow rates, see table on
page 8 in this manual.
Viessmann strongly recommends the use of
a low-loss header in cases where the
system head and flow rates are unknown.
*1
Floor-mounted version (typically used for
multiple-boiler installations).
Continued on following page...
Accessories
3
/h)
3
/h)
*1
3
/h )
*1
3
/h )
29
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