WIKA A43 Mode D'emploi page 12

5. Commissioning, operation
5.2.3 Models A48 and A51
Fitting with mounting flange sliding on stem
1. Place the bores onto the wall of the air duct provided (see figures below) by means of
EN
the mounting flange dimensions.
2. Loosen the mounting flange from the thermometer. Place the flange with the flat surface
onto the wall and affix using the appropriate screws and screwdriver.
3. Insert the thermometer into the flange. Set it to the desired immersion depth in the air
duct. Then, using a suitable screwdriver, tighten the mounting screws (found on the side
of the flange) hand-tight and thus fix the thermometer.
Flange model A48, D61
Recommendation for the bore for the stem:
12
Ø 9.2 + 0.1
Flange model A48, D50
Ø 9.2 + 0.1
WIKA operating instructions bimetal thermometers for HVAC
Flange model A51, D40
Ø 8.2 + 0.1