VITOTRONIC 100
Digital boiler control unit
for modulating temperature heating systems
Vitotronic 100
Model KW10, Part No. 7133 375
Digital boiler control
With outdoor reset control
For heating systems with one modulating temperature
heating circuit (without mixing valve)
With analog boiler water temperature display
Connections for Viessmann DHW pump module
Viessmann quick-connect plug-in system
Technical Data Manual
Certified as a component part
of Viessmann boilers only
5265 490 v1.3 11/2004
Product Information/Standard Equipment/
Application
2
Product Information
The benefits at a glance:
HDigital boiler control
HSpace heating circuit controlled by
room thermostat and outdoor reset
logic
HSingle- or two-stage boiler control
(depending on burner)
HIntegrated diagnostic system
HBuilt-in boiler low temperature
protection
HShort assembly time and start-up due
to diagnostic and Rast-5 plug-in
systems
Vitotronic 100, Model KW10
HDigital boiler control:
–for single-boiler systems
–outdoor reset control
–for heating circuits without mixing
valve
–for single- or two-stage burner
–with analog temperature display
–compatible with Viessmann DHW
control (optional)
–with integrated diagnostic system
Standard Equipment
Vitotronic 100, Model KW10
(Part No. 7133 375)
with
Hadjustable fixed high limit
Hbuilt-in pump aquastat
Hpower supply cord
Houtdoor temperature sensor
Hboiler temperature sensor
Application
In conjunction with the following Viessmann boilers
Boiler Model and Series
Fuel Minimum boiler water
temperature
without low
limit
with low limit
(average temp.)
Oil-fired hot water
heating boiler with
power burner
Vitorond 200 Oil 104ºF/40ºC
Oil-/Gas-fired hot water
heating boiler with
power burner
Vitola 200 Oil/Gas x
Atmospheric
gas-/propane-fired hot
water heating boiler
Vitogas 050, RS Series (single-/two-stage) Gas 120ºF/49ºC
Atmospheric gas-fired
hot water heating boiler
Vitogas 100, GS1 Series, up to 240 MBH/70 kW
Vitogas 100, GS10 Series, up to 380 MBH/111 kW
Gas
Gas
104ºF/40ºC
120ºF/49ºC
5265 490 v1.3
OTS
Structure and Operation/Accessories
3
Structure and Operation
Modular structure
The control unit consists of:
system ON/OFF switch, temperature
display, pump aquastat for boiler
protection,
–adjustable high limit
(type RAK 51.1/3382, Mfg. Etheco or
type TR 97.55180.251, Mfg. EGO)
–fixed high limit
(type RAK 75.4/3412, Mfg. Etheco or
type STW 56.10525.400, Mfg. EGO)
–electronic circuit board with power
supply
–electronic outdoor reset board
–quick-connect Rast-5 plug-in system
–fixed high limit test terminals
–integrated diagnostic system
Boiler-specific functions
The Vitotronic 100 control unit controls
the boiler temperature according to heat
demand input (room thermostat
connections) and the calculated outdoor
reset setpoint.
Boiler water temperature is limited
through the adjustable aquastat.
Minimum boiler water temperature
protection is achieved with the built-in
pump aquastat and the outdoor reset
control.
Heating curve
Technical data
Operating Voltage: 120 VAC
Operating Frequency: 60 Hz
Nominal Current: 6A
Power Consumption: 10 W
Certification: CSA certified (in conjunction
with all Viessmann boilers)
Max. ambient temperature:
–at operation: 32 to 104 ºF
0to 40ºC
(in rooms and installation sites
with normal ambient conditions)
–when storing or transporting:
–4 to +149 ºF
–20 to +65 ºC
Output rating:
–Heating circuit pump: 3 FLA, 120 V
–Burner: 2 FLA, 120 V
Minimum boiler temperature protection
The factory default setting for minimum
boiler water temperature is for a boiler
with low limit (e.g. Vitogas 100,
Vitorond 200). For boilers without low
limit (e.g. Vitola 200), the minimum boiler
water temperature function can be turned
off by changing the dip switch setting.
Accessories
Boiler water temperature sensor
Cable length 5.2 ft./1.6 m,
readytoplugin.
Maximum ambient temperature
– at operation: 32 to 266 ºF
0 to 130 ºC
– when storing or transporting:
–4 to +158 ºF
–20 to +70 ºC
Outdoor temperature sensor
Installation site: North or northwest side
of building 6.6 to 8.2 ft./2 to 2.5 m
above ground, for multi-storey buildings
mount sensor on upper half of second
storey.
Connection: 2-wire cable, cable length
1000 ft./300 m with a wire size of min.
AWG 16 copper. The cable to the
outdoor sensor must not be laid near line
voltage wiring (120/240 V).
Maximum ambient temperature at
operation, when storing or
transporting:
– 40 to +158 ºF
–40to +70ºC
5265 490 v1.3
Viessmann Manufacturing Company Inc.
750 McMurray Road
Waterloo, Ontario •N2V 2G5 •Canada
Tel. (519) 885-6300 •Fax (519) 885-0887
www.viessmann.ca •mail@viessmann.ca
Viessmann Manufacturing Company (U.S.) Inc.
45 Access Road
Warwick, Rhode Island •02886 •USA
Tel. (401) 732-0667 •Fax (401) 732-0590
www.viessmann-us.com •mail@viessmann-us.com
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5265 490 v1.3 Technical information subject to change without notice. Printed on environmentally friendly
(recycled and recyclable) paper.
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