Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual page 58

Components
Components from the parts list
Control thermostat
H Type TR 55.18015.050, EGO,
DIN TR 110302
or
EM 1/b1; 60002847, JUMO,
DIN TR 77703
or
Type 602030, JUMO,
DIN TR 116804
H Set to 75 ºC in the delivered
condition, adjustable to 87 and 95 ºC
(see page 14)
Note
Adjust downwards at least 20 K
higher than the DHW temperature,
upwards at least 15 K lower than
the high limit safety cut−out.
H Electromechanical temperature
switch according to the liquid
expansion principle
H Controls the maximum boiler
water temperature (e.g. in
emission test mode)
H Flattened adjusting shaft 6 mm
Adjusting knob pushed into the
front of the shaft
H Capillary tube 1600 mm long
Probe ∅ 3 mm, 180 mm long
H Electrical test to VDE 0701 (or local
regulations)
H Function test with emissions test
function (see page 56)
58
(cont.)
Burner connecting cables
For pressure−jet oil/gas burners,
connection see page 19.
Extension for a two−stage/modulating
burner, part no. 7404 960; for
connection, see page 20.