Outside Temperature Sensor; Connecting The Vitoconnect 100, Type Opto1 Connecting Cable (Accessories); External Demand Via Switching Contact - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Installing the boiler
Electrical connections

Outside temperature sensor

For fitting the wireless outside temperature sensor
(wireless accessory):
Wireless base station installation and service
instructions
Fitting location for outside temperature sensor
■ North or north-western 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

Connecting the Vitoconnect 100, type OPTO1 connecting cable (accessories)

3.
Fig. 13

External demand via switching contact

Connection options:
EA1 extension (accessory, see separate installation
■
instructions)
■ Plug lH
When the contact is closed, burner operation is load-
dependent. The boiler water is heated to the value set
in parameter "9b" in the "General" group. The boiler
water temperature is limited by this set value and the
electronic maximum limit (parameter "06" in the
"Boiler" group).
20
(cont.)
!
2.
1.
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
2
1.5 mm
Installing the Vitoconnect 100
Vitoconnect 100 installation and commissioning
instructions
!
Please note
Live contacts lead to short circuits or phase fail-
ure.
The external connection must be potential-free
and meet the requirements of protection class II.