INSTALLER
35
20
40
60
80
100
0
120
EMPTYING
Switch the electricity supply OFF at the system’s main
switch and at the control panel before starting to empty
the boiler or storage cylinder.
EMPTYING THE CENTRAL HEATING SYSTEM
- Open the non-return valve (4) on the CH flow pipe. On
models 26 BK and 35 BK, open the non-return valve (5)
too. See the figure to ascertain the correct position for
the dot on the screw.
- Close the water supply shut-off cocks. On models 26 BK
and 35 BK, make sure that the filling cock (1) is closed
too.
- Connect a plastic hose to the nipple on the boiler drain
cock (2). On models 26 BK and 35 BK, connect a plas-
tic hose to the nipple on drain cock (3) too. Open the
cocks.
- When the system is completely empty, close the cock
(2). On models 26 BK and 35 BK, close the cock (3) too.
2
6
INSIEME CONDENS 26 B and 35 B
1
5
4
3
2
Non-return
valve OPEN
Non-return
valve OPEN
INSIEME CONDENS 26 BK and 35 BK
Содержание 20039590
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