Viessmann C3TB, Installation And Service Instructions For Contractors

Page: 41 / 188

41
Installing wireless accessories (if present)
Wireless outside temperature sensor
A
B
Fig. 39
1. Prepare the wireless outside temperature sensor
for commissioning:
Remove the outside temperature sensor from its
packaging and position with its front facing a light
source, so that the internal power supply can be
charged. This process takes about 15 min.
2. Pair the outside temperature sensor with the con-
trol unit. See page 60.
3. Remove casing A and attach outside temperature
sensor RF
B
.
Installation location:
■ Choose an installation location such that the
radio signals are beamed as perpendicularly as
possible to walls and other equipment.
■ North or north-westerly wall, 2 to 2.5 m above
ground level; on 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.
Wireless repeater (accessories)
For amplifying the wireless signal between the wireless
base station in the boiler and the wireless outside tem-
perature sensor or wireless remote controls
Note
Required if building characteristics prevent an ade-
quate signal quality.
A
Fig. 40
1. Secure wireless repeater
A
close to a wall socket.
Note
Never adjust the DIP switches on the back of the
unit.
For correct positioning, see page 60.
2. Plug the wireless repeater cable into the plug-in
power supply unit.
3. Plug the power supply unit into a socket.
4. Pair the wireless repeater. See "commissioning".
Vitotrol 200-RF and Vitotrol 300-RF wireless remote
controls (accessories)
"Vitotrol" installation and service instructions
Installation sequence
Electrical connections
(cont.)
5775 636 GB
Installation