Inserting Cables/Leads And Applying Strain Relief; Connecting Sensors - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Installation Sequence

Inserting Cables/Leads and Applying Strain Relief

Connecting Sensors

Legend
Outside temperature sensor
!
§/? Supply temperature sensor common flow/low loss
header
%A DHW tank temperature sensor 1
%B DHW tank temperature sensor 2 for primary store
system (optional accessory, not used)
aJB Temperature sensor primary store system
(optional accessory, not used)
14
Vitotronic 200 and 300-K Installation and Service
Run the cables from the connection enclosure into the
control unit.
Apply strain relief to cables.
Cables with moulded strain relief clamp:
Connect cable and strain relief clamp.
OR
Fasten cable to the cable lead with cable tie.
Legend
A Cables with moulded strain relief
B On-site cables; strip up to 4 in. (100 mm) insulation.
Installation point for outside temperature sensor
H North or north-western wall, 6.6 to 8.2 ft. (2 to 2.5 m)
above ground level; in multistorey buildings, in the
upper half of the second floor
H Not above windows, doors or ventilation outlets
H Not immediately below balconies or gutters
H Never render over
Outside temperature sensor connection
Two-wire communication cable, max. 120 ft. (35 m)
length, AWG 18.