Limit Thermostat - Viessmann VITODENS 200 WB2A Installation & Servicing Instructions Manual

9 Replacement of Parts
9.9 P.C.B
b)
Release the seven plastic tabs securing the lid of the control pod and lift off
the lid.
c)
Unplug all leads from the board to the boiler controls.
d) Unplug all leads from the board to the boiler controls.
e) Remove the two screws securing the plastic ventilated cover, unclip the four
plastic securing clips and remove the cover/P.C.B assembly complete.
f) Deflect the seven clips securing the P.C.B into the cover and remove the
printed circuit board.
g) Replace the P.C.B and reassemble in reverse order.
h) Check that all original settings have been retained.

9.10 Limit Thermostat

Supplied By www.heating spares.co Tel. 0161 620 6677
58