User’s manual
10)
Unscrew 2 screws 4 (see scheme.14) of manifold’s fastening to the burner front bracket;
11)
By means of a turnkey 30 unscrew a nut 5 of the fastening of manifold to the gas pipe and put a manifold off;
Scheme14. Manifold dismantling
Scheme15. Burner dismantling
12)
Unscrew four self-threading screws 3 (see scheme.15) of the fastening of burner to the back wall of the boiler
(2 from each side) and put a burner off.
Assembly is performed in the reverse order.
Heat exchanger dismantling
Do dismount a heat exchanger it is necessary:
1)
Switch the boiler off (see p.
10.4
, page.21);
2)
Block the boiler’s inlet stop valves on pipes of heating
systems, drain the water out of the boiler (see p.
10.5
,
page21) (if there are not stop valves, drain the water out of
the whole heating system);
3)
Put a burner block off (see section
17.1
, page36);
4)
disconnect cables from the thermo relay 4 (see scheme.15);
5)
By means of the turnkey 30 to unscrew 2 nuts 1 of pipes
fastening to the heat exchanger;
6)
Unscrew two self-threading screws 2 from each side of
heat exchanger’s fastening to the back sideс ;
7)
Unscrew seven self-threading screws 1 (see scheme.16) of
the exhaust flue bar’s fastening 2 and put a bar off;
8)
Remove heat exchanger by pulling it up.
Scheme16. Heat exchanger dismantling
Assembly is performed in the reverse order.
17.2
Pump dismantling
To dismount a pump it is necessary:
1)
switch the boiler off( see section
10.4
, page 21);
2)
block inlet and output stop valve in the boiler, drain the water out of the boiler (see section
10.5
, page21) (if
there are not stop valves, drain the water out of the whole heating system);
3)
put a casing and cap off from the boiler (see p.
17.1
, page 36);
4)
by means of the turnkey 30 to unscrew two nuts 1 (see scheme.15) and put the pipes aside;
