Sime Planet Dewy 60 BFR, Installer'S Instructions

Page: 117 / 184

115
IT
ES
FR
BE
GB
RUS
RO
4.1 GAS VALVE
The boiler, is equipped standard with
the SIT 848 SIGMA gas valve (fig. 16).
4.2 ADJUSTMENT
HEATING POWER
To adjust heating power by changing
the 58 kW fact or y setting, use a
screwdriver on the heat power trim-
mer (10 fig. 13). To increase operating
pressure, rotate the trimmer clockwi-
se, to reduce it, rotate the trimmer
counter-clockwise.
Boiler power settings can be checked by observing the “ Δ p air” can be mea-
sured with a digital pressure gauge
connected as indicated in fig. 17.
The resulting values must correspond
to those shown in the chart of figure
17/a.
4 USE AND MAINTENANCE
1
2
3
4
5
6
Fig. 16
2
4
5
3
7
6
1
8
Fig. 17
KEY
1
Upstream pressure fixture
2 Intermediate pressure fixture
3 Air signal intake
4 Downstream pressure fixture
5 Shutter
6 OFF-SET
KEY
1
Gas valve
2 Air pressure switch
3 Fan socket (+)
4 Mixer intake ( - )
5 Nozzle
6
Digital pressure gauge
7 Air signal intake
8 Air/gas mixer
40
30
20
10
0
10
20
Potenza kW
Δ
p ar
ia mmH
2
O
50
60
0
70
80
30 40 50 60 70
G20/G25
G31
5,8
17
56,5
10,9
22,6
63
Fig. 17/a
Δ
p
air mmH
2
O
Heating power (kW)