Test Button - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Components from the parts list

Test button

For testing the high limit safety
cut−out.
For a description, see page 25.
Programming unit
Setting the:
H Heating program
H Set values
H Switching times
H Heating curve
(slope and level)
H Date
H Time
H Economy and party mode
Displaying:
H Temperatures
H Operating conditions
H Faults
Plug X12
For the connection of external safety
equipment, see page 18.
(cont.)
High limit safety cut−out
H Type STB 56.10525.570, EGO,
DIN STB 10602000
or
EM 80 V−TK/b7 1 60002843,
JUMO, DIN STB 82699
or
Type 602031, JUMO,
DIN STB 116904
H Set to 110 ºC in the delivered
condition, adjustable to 100 ºC
(see page 12)
H Electromechanical temperature
switch according to the liquid
expansion principle with lockout
H Intrinsically safe; also lockout in
case of capillary tube leaks or
ambient temperatures below 10 ºC
H Limits the boiler water temperature
to the maximum permissible value
by shutdown and lockout
H Central fixing M 10,
Capillary tube 1600 mm long
Probe ∅ 3 mm, 180 mm long
H Electrical test to VDE 0701
(or local regulations)
H Function test with test button
(see page 25)
Components
57