43
INSTALLERUSERMAINTENANCE TECHNICIAN
3.23 VARIABLE HEAT OUTPUT.
N.B.: the power data in the table has been ob-
tained with intake-exhaust pipe measuring 0.5 m
in length. Gas ow rates refer to net heating value
below a temperature of 15°C and at a pressure
of 1013 mbar.
METHANE (G20) PROPANE (G31)
HEAT
POWER
HEAT
POWER
MODULA-
TION
GAS FLOW RATE BURNER
MODULA-
TION
GAS FLOW RATE BURNER
(kW) (kcal/h) (%) (m
3
/h) (%) (kg/h)
28,3 24295
D.H.W.
99 3,06 99 2,25
27,5 23650 97 2,98 97 2,19
26,5 22790 93 2,87 93 2,11
25,5 21930 89 2,76 88 2,03
24,1 20717
CEN. HEAT.
+
D.H.W.
85 2,61 82 1,91
23,5 20210 81 2,54 80 1,87
22,5 19350 78 2,44 76 1,79
21,5 18490 74 2,33 72 1,71
20,5 17630 70 2,22 68 1,63
19,5 16770 66 2,11 64 1,55
18,5 15910 62 2,01 60 1,47
17,5 15050 58 1,90 56 1,39
16,5 14190 54 1,79 52 1,31
15,5 13330 50 1,68 48 1,24
14,5 12470 45 1,58 43 1,16
13,5 11610 41 1,47 39 1,08
12,5 10750 37 1,36 35 1,00
11,5 9890 33 1,26 31 0,92
10,5 9030 29 1,15 27 0,84
9,5 8170 24 1,04 23 0,76
8,5 7310 20 0,93 19 0,68
7,5 6450 16 0,82 15 0,61
6,5 5590 11 0,72 11 0,53
5,5 4730 7 0,61 6 0,45
4,5 3870 2 0,50 2 0,37
4,3 3689 1 0,48 1 0,35
Attention: check the serial number on the boiler.
From number 7211394 use the data in the fol-
lowing tables.
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