Installation
23
Adjustment of the fixed high limit
(if required)
The fixed high limit is supplied with a factory setting of 110°C / 230°F.
Adjustment to 99°C / 210°F
¨
Disconnect power to control
and burner!
1.
Unclip the fuse box and swing
upwards.
2.
Turn the slotted screw on the
rear of the fixed high limit until
the slot points to 99°C / 210°F
(once adjusted, the fixed high limit
cannot
be reset to 110°C/ 230°F).
3.
Re-fit the fuse box.
Please note:
Adjustment is required for the
Vitocrossal 300.
See Service Instructions
for Vitocrossal 300.
Non-condensing boiler
(VD2/VD2A)
°
C /
°
F
Condensing boiler
(CT3)
°
C /
°
F
Condensing boiler
(CM2)
°
C /
°
F
Fixed high limit
110 / 230
99 / 210
99 / 210
99 / 210
Adjustable high limit
100 / 212
95 / 203
95 / 203
95 / 203
Coding for the electronic maximum
temperature limiter of Vitotronic 100;
set code 06 to the temperature as
shown or less
93 / 200
87 / 188
87 / 188
88 / 190
5285
941
-
0
1
3.
1.
2.
A
If adjusted to 99°C / 210°F, do
not set the adjustable high limit
above 75°C / 167°F.
WARNING
