Outside Temperature Sensor - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Installing the boiler
Electrical connections
Connections to 230 V~ plugs
fÖ Power supply
■ Power supply for accessories
lH
■ External demand/blocking
Connections to LV plugs
X3 Plug X3 can be removed to facilitate installation.

Outside temperature sensor

!
Flow temperature sensor for low loss header
?
(accessories)
X4 KM-BUS connection, variable speed heating cir-
cuit pump (if installed)
X21 CO limiter (accessories)
KM-BUS subscriber (accessories)
aVG
To connect several accessories, see page 21.
■ Vitotrol 200-A or 300-A remote control unit
■ Vitocom 100, type GSM
Mixer extension kit
■
AM1 extension
■
■ EA1 extension
■ Wireless base station
■ KM-BUS distributor
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 vents
18
(cont.)
!
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
Not immediately below balconies or gutters
■
Never render over.
■
Outside temperature sensor connection
2-core lead, length max. 35 m with a cross-section of
1.5 mm 2