7
for adjustment of air inflow, 13 – claddings made of fire-proof concrete,
14 – openings from flue gas afterburning system, 15 – deflector, 16 –
flue, 17 – block, 18 – steel cord with counterweight.
Fuel is combusted on the cast-iron grate (8) installed on the base.
Ash-pan container (9) is located under the grate. Deflector (15) is lo-
cated over the combustion chamber. It directs flue gas flow and im-
proves the degree of heat exchange.
Air necessary for combustion process is supplied through an air
intake socket (10) equipped with an adjustment mechanism (11). The
air intake is located in the floor of the fireplace insert. Openings for flue
gas afterburning system (14) are additionally located in the rear wall of
the furnace chamber.
Flue gases are removed to the chimney through a flue located in
the upper wall of the fireplace insert.
4.2.
TECHNICAL DATA
Picture 4
.
Dimensions of fireplace insert
DEFRO HOME INTRA XSM.
512
460
521
454
ø146
53
5
107
7
246
135
102
4
123
9
407
500
67
Picture 3
.
Design of DEFRO HOME PRIMA fireplace insert with side window panel.
1 – body,
2 – furnace chamber, 3 – doors, 4 – fire-proof window panel, 5 – handle with lock, 6 – frame, 7 – floor, 8 – grate, 9 – ash-pan container, 10 – air
intake socket, 11 – adjustment of air inflow, 12 – slider for adjustment of air inflow, 13 – claddings made of fire-proof concrete, 14 – openings from flue gas
afterburning system, 15 – deflector, 16 – flue, 17 – masking frame.
14
15
13
7
8
99
9
10
9
11
2
16
6
3
4
12
17
5
11
