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5592 911 GB 6/2007
Dispose after installation.
Installation instructions
for contractors
VIESMANN
Vitotrol 300
Remote control for one heating circuit
Part no. 7248 907
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
Safety instructions explained
!
Please note
This symbol warns against the
risk of material losses and environmental pollution.
Note
Details identified by the word "Note" contain additional information.
Installation, initial start-up, inspection,
maintenance and repairs must only be
carried out by a competent person (heating engineer/installation contractor).
Before working on the equipment/heating system, isolate the power supply
(e.g. by removing a separate mains fuse
or by means of a mains isolator) and
safeguard against unauthorised reconnection.
When using gas as fuel, also close the
main gas shut-off valve and safeguard
against unauthorised reopening.
Repairing components which fulfil a
safety function can compromise the safe
operation of your heating system.
For replacements, use only original
spare parts supplied or approved by
Viessmann.
Installation location
■ Weather-compensated mode
Installation in any room.
■ Operation with room temperature-
dependent control
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2
– On an internal wall in the living
space, at a height of approx. 1.5 m
from the floor
– Not near windows and doors
– Not above radiators
– Not near heat sources (direct sun-
light, fireplace, TV set etc.)
Do not install further controllers in this
room. If radiators are equipped with thermostatic valves, open them fully.
Installing and connecting the Vitotrol 300
Note
If the remote control cannot be installed
in a suitable location, connect the room
temperature sensor, part no,7408 012,
available as an accessory.
!
Please note
Electronic modules can be damaged by electrostatic discharges.
Before beginning work, touch
earthed objects, such as heating
or water pipes, to discharge static
loads.
A
A
Cable entries
When drilling, watch out for hidden
cableways.
Installation location
(cont.)
5592 911 GB
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Connection
Two-core cable with a cross-section of at
least 0.75 mm,
Cable length up to 50 m.
Note
Never route the cable to the remote control immediately next to 230/400 V
cables.
or
145
3 2 17 6 5 4
X3X4
or
or
A
B
F
E
145
D
1 2 3 4
13b
9
C
A
Vitotrol 300
B 3-pin plug aVG to the weather-com-
pensated Vitotronic boiler and heating circuit control unit
or to the KM BUS distributor
C 2-pin plug aVG to the weather-com-
pensated Vitotronic boiler and heating circuit control unit
or to the KM BUS distributor
D For connection aVG to the A2 elec-
tronic module of the Vitotronic control panel control unit
E
Weather-compensated, wall mounted control unit
F
Separate room temperature sensor
(accessory)
Installing and connecting the Vitotrol 300
(cont.)
5592 911 GB
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Note
If 2-pin plug
aVG
is plugged into a 3-pin
socket, the connection must be made at
terminals 1 and 2.
Connecting several remote control units
Version 1
≤ 15 m
C
B B B
≤ 15 m ≤ 15 m
A
A
To the control unit or to the KM BUS
distributor (see connection diagram
on page 3)
B
Vitotrol
C
Socket (on site)
■ On-site connection via socket:
Connect in accordance with the diagram
■ Limit the total length of all KM BUS
cables to 50 m.
Version 2
≤ 15 m
A
B
D
≤ 15 m
C
B B
≤ 15 m
A
To the control unit or to the KM BUS
distributor (see connection diagram
on page 3)
B
Vitotrol
C
Socket (on site)
D
Further BUS subscribers
Installing and connecting the Vitotrol 300
(cont.)
5592 911 GB
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■ If several remote control units and
additional KM BUS users are connected, make the connections via an onsite socket as shown in the diagram.
■ Limit the total length of all KM BUS
cables to 50 m.
Adjusting the DIP switches
1 2 3 4
ON
S3
3 2 1
RTS
int. ext.
A
PCB DIP switches (back of the casing top)
Remote control DIP switch
setting
Delivered condition:
Remote control affects
heating circuit A1/M1/
HC1
1 2 3 4
ON
Remote control affects
heating circuit M2/HC2
1 2 3 4
ON
Remote control affects
heating circuit M3
1 2 3 4
ON
When connecting a separate room temperature
sensor, also set DIP
switch "S3.3" to "ON".
1 2 3 4
ON
Inserting batteries
To illuminate the display, insert the batteries supplied (MICRO/ LR03/AAA) into
the battery compartment at the back of
the equipment.
Connecting several remote control units
(cont.)
5592 911 GB
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2.
1.
Opening the remote control unit
Changing the setting range for the standard set room temperature
Delivered condition:
10 to 30 °C
Changeover to
■ 3 to 23 °C
■ 17 to 37 °C
via coding address "E1" on the
Vitotronic.
Vitotronic installation and service
instructions
Connecting the remote control
5592 911 GB
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Vitotrol operating instructions
Specification
Power supply via KM BUS.
Power consumption 0.5 W
Protection class III
IP rating IP 30
Permiss. ambient temperature
■ during operation 0 to + 40 °C
■ during storage and
transport:
-20 to +
65 °C
Setting range for standard set room temp. 10 to 30 ºC
Setting range for
reduced set room temp. 3 to 37ºC
Operating state/scanning temperatures
5592 911 GB
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Viessmann Limited
Hortonwood 30, Telford
Shropshire, TF1 7YP, GB
Telephone: +44 1952 675000
Fax: +44 1952 675040
E-mail: info-uk@viessmann.com
Viessmann Werke GmbH&Co KG
D-35107 Allendorf
Telephone: +49 6452 70-0
Fax: +49 6452 70-2780
www.viessmann.com
5592 911 GB Subject to technical modifications.
Printed on environmentally friendly,
chlorine-free bleached paper
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