User’s manual
Scheme 17. Pump dismantling
5)
unscrew on the low panel three screws of the pump’s fastening 1 and two screws 2 of bithermic manifold
fastening;
6)
disconnect a screw termination 3 (see scheme. 17) with the pump’s power cables out of the conneсtor;
7)
put off a bracket 4 of pipe’s fastening from the pump’s pipe and put a pipe up;
8)
disconnect a fitting of manometer 6, by pulling a bracket of fitting’s fastening 5 out of the pump’s body;
9)
disconnect cables from the pressure sensor 7;
10)
put off a bracket 8 of CH output fastening and put it aside;
11)
unscrew screws 9 of bithermic manifold fastening 10 to the pump;
12)
dismount a bithermic manifold;
13)
Take out a pump by pulling it hard to the right and up.
Assembly is performed in the reverse order.
17.3
Bypass valve dismantling
To dismount a bypass valve it is necessary:
1)
switch the boiler off(see p.
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
, page 21) (if
there are not stop valves, drain the water out of the whole
heating system);
3)
put a casing off from the boiler (see p.
17.1
, page 36);
4)
put off a bracket1 of CH output pipe’s fastening ( see
scheme.);
5)
take a pipe 2 out of the bithermic manifold 3;
6)
take out a bypass valve (see Annex I,
page45);
7)
a faulty bypass valve to replace.
Scheme 18 bypass valve dismantling
Assembly is performed in the reverse order.
17.4
Expansion tank dismantling
To dismount an expansion tank it is necessary:
1)
switch the boiler off(see p.
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
, page 21) (if
there are not stop valves, drain the water out of the whole heating system);
