INSTALLER
36
- Close the non-return valve (4) on the CH flow pipe. On
models 26 BK and 35 BK, close the non-return valve (5)
too. See the figure to ascertain the correct position for
the dot on the screw.
EMPTYING THE STORAGE CYLINDER
(models 26 B and 35 B only)
- Close the shut-off cocks for the domestic hot water cir-
cuit.
- Connect a hose to the storage cylinder drain cock fitted
on installation, and open the cock.
- Close the drain cock once the storage cylinder is
empty.
NOTE:
Open a hot water tap to facilitate emptying.
1
5
4
3
2
Non-return
valve in
CLOSED
(non-return)
position
Non-return
valve in
CLOSED
(non-return)
position
INSIEME CONDENS 26 BK and 35 BK
