Viessmann VITOTRONIC 100 Installation And Service Instructions Manual page 129

Components from the parts list
TEST key
For testing the high limit safety
cut−out.
For a description, see page 98.
Control thermostat
H Type TR 55.18029.020, make EGO,
DIN TR 110302
or
EM 1 TK/b1 60002846, make
JUMO, DIN TR 77703
or
Type 751.X32X6.01A, make T&G,
DIN TR 96803
H Set to 95 ºC in the delivered
condition; adjustable
to 100 and 110 ºC (see page 65)
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 Electro−mechanical temperature
switch according to the liquid
expansion principle
H Controls the maximum boiler
water temperature (e.g. in
emissions test mode)
H Flattened 6 mm settings axis,
setting tools pushed onto the front
of the axis
H Capillary tube 3600 mm long
probe ∅ 3 mm, 180 mm long
H Electrical test in accordance with
VDE 0701 (or local regulations)
H Function test with emissions test
key (see page 97)
(cont.)
Components
129