Outside Temperature Sensor; Connecting Pumps - Viessmann Vitotronic 200 Installation And Service Instructions For Contractors

Electrical connections
Connecting sensors
Connections on the low voltage PCB
Plug
!
§
%A
%B
/
) ?
aG
aJA
aJB

Outside temperature sensor

Fitting location for outside temperature sensor
■ North or north-westerly wall, 2 to 2.5 m above
ground level; in multi storey buildings, in the upper
half of the second floor.
■ Not above windows, doors or ventilation outlets.
■ Not immediately below balconies or gutters.
■ Never render over.
Outside temperature sensor connection
2-core lead, length up to 35 m with a cross-section of
2
1.5 mm

Connecting pumps

Extension connections for heating circuits 2 and 3, each with mixer
Plug
M2/M3
sÖ
Connections on the 230 V~ PCB
Plug
A1
sÖ
22
(cont.)
Component
Outside temperature sensor
Boiler water temperature sensor
One of the following temperature sensors:
Cylinder temperature sensor
■
Top cylinder temperature sensor in a cylinder loading system
■
Cylinder temperature sensor (bottom) in a cylinder loading system
The following temperature sensors:
Temperature sensor, low loss header
■
Buffer temperature sensor
■
Flue gas temperature sensor
One of the following temperature sensors:
Therm-Control temperature sensor
■
T1 return temperature sensor
■
One of the following temperature sensors:
Temperature sensor cylinder loading system
■
T2 return temperature sensor
■
Component
Heating circuit pump
Component
One of the following circulation pumps:
Heating circuit pump for heating circuit 1 without mixer
■
Primary cylinder loading pump for cylinder loading system
■
Circulation pump for flue gas/water heat exchanger
■
or
Switching output for flow rate reduction (Therm-Control)
Wireless outside temperature sensor
Wireless subscriber. Only in conjunction with the wire-
less base station (KM-BUS subscriber) that is connec-
ted to the Vitotronic control unit.
Wireless base station installation and service
instructions