N.B.:
the power data in the table has been obtai-
ned with intake-exhaust pipe measuring 0.5 m
in length. Gas flow rates refer to heating values
below a temperature of 15°C and at a pressure of
1013 mbar. Burner pressure values refer to use
of gas at 15°C.
3.21 VARIABLE HEAT OUTPUT.
3.20 YEARLY APPLIANCE CHECK AND
MAINTENANCE.
The following checks and maintenance should
be performed at least once a year.
- Clean the flue side of the heat exchanger.
- Clean the main burner.
- Check correct ignition and functioning.
- Check correct calibration of the burner in
central heating phase.
- Check correct functioning of control and
adjustment devices and in particular:
- the intervention of main electrical switch on
the boiler;
- system regulation probes intervention;
- Check sealing efficiency of the gas circuit and
the internal system.
- Check intervention of the device against no gas
ionisation flame control:
- check that the relative intervention time is less
than 10 seconds.
- Visually check for water leaks or oxidation
from/on connections and traces of condensate
residues inside the sealed chamber.
- Check, by means of the condensate drain cap,
that there are no residues of material blocking
the flow of condensate.
- Check contents of the condensate drain trap.
- Visually check that the water safety drain valve
is not blocked.
- Check that the system static pressure (with
system cold and after refilling the system by
means of the filler cock) is between 0.5 and 1.2
bar.
- Visually check that the safety and control
devices have not been tampered with and/or
shorted, in particular:
- temperature safety thermostat;
- Check the condition and integrity of the elec-
trical system and in particular:
- electrical power cables must be inside the
whipping;
- there must be no traces of blackening or bur-
ning.
N.B.:
on occasion of periodical maintenance of
the appliance it is appropriate also to check and
perform maintenance on the central heating
system, in compliance with that indicated by the
regulations in force.
METHANE (G20)
PROPANE (G31)
HEAT
OUTPUT
HEAT
OUTPUT
BURNER GAS
FLOW RATE
REVS
FAN
BURNER GAS
FLOW RATE
REVS
FAN
(kW)
(kcal/h)
(m
3
/h)
(n°)
(kg/h)
(n°)
111,0
95460
11,94
5900
8,76
5700
108,0
92880
11,61
5720
8,52
5540
105,0
90300
11,29
5550
8,29
5370
102,0
87720
10,97
5370
8,05
5210
99,0
85140
10,64
5200
7,81
5050
96,0
82560
10,32
5030
7,58
4900
93,5
80446
10,06
4890
7,38
4770
90,0
77400
9,68
4690
7,10
4580
87,0
74820
9,36
4530
6,87
4430
84,0
72240
9,03
4370
6,63
4280
81,0
69660
8,71
4210
6,39
4130
78,0
67080
8,39
4050
6,16
3980
75,0
64500
8,07
3890
5,92
3830
72,0
61920
7,75
3740
5,69
3680
69,0
59340
7,43
3590
5,45
3540
66,0
56760
7,10
3440
5,21
3400
63,0
54180
6,78
3290
4,98
3250
60,0
51600
6,46
3140
4,74
3110
57,0
49020
6,14
2990
4,51
2970
54,0
46440
5,82
2850
4,27
2830
51,0
43860
5,50
2710
4,03
2700
48,0
41280
5,17
2570
3,80
2560
45,0
38700
4,85
2430
3,56
2420
42,0
36120
4,53
2300
3,33
2290
39,0
33540
4,21
2160
3,09
2160
36,0
30960
3,89
2030
2,85
2030
33,0
28380
3,56
1900
2,62
1900
30,0
25800
3,24
1770
2,38
1770
29,5
25370
3,19
1750
2,34
1750
141
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