Cable Entry; Outside Temperature Sensor (Accessories); Vitotrol 100 Connection - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Electrical connections

Cable entry

B
Fig. 15
Power cable, remote control connecting cable
A
LV leads (sensor leads)
B

Outside temperature sensor (accessories)

1. Fit the outside temperature sensor.
Installation location:
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
■ Not immediately below balconies or gutters
■ Never render over
■ Connection:
2-core lead, length up to 35 m with a cross-sec-
2
tion of 1.5 mm

Vitotrol 100 connection

C
X1/96
B
1 L N
A
NO
NC
COM
Fig. 16 Example: Vitotrol 100, type UTDB
Vitotrol 100, type UTDB
A
Terminals "X1/96" on the control unit
B
Jumper; remove when making this connection
C
Recommended connecting cable
■ 2-core cable with a cross-section of 1.5 mm
230 V~
(cont.)
A
for
²
2. Connect the outside temperature sensor to the
connecting cable across terminals 3 and 4 at slot
"X21" (see page 17).
Installation sequence
19