Indesit PR 642/I Operating Instructions Manual page 22

Burner and nozzle specifications
GB
Table 1
Burner
Rapid (R)
Semi Rapid (S)
Auxiliary (A)
Supply pressures
* At 15°C and 1013,25 mbar - dry gas
** Propane
*** Butane
Natural
S
S
PR 642 /I(BK)
22
Diameter Thermal Power
(mm) kW (p.c.s.*)
Nomin. Reduc.
100 3.00 0.70
75 1.65 0.40
55 1.00 0.40
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
P.C.S. = 50.37 MJ/Kg
P.C.S. = 49.47 MJ/Kg
P.C.S. = 37.78 MJ/m 3
R
A
Liquid Gas
By-pass Nozzle Flow*
1/100 1/100 g/h
(mm)
(mm) ***
39 86 218 214
28 64 120 118
28 50 73 71
28-30
20
35
Natural Gas
Nozzle Flow*
1/100 l/h
** (mm)
116(Y) 286
96(Z) 157
79(6) 95
37 20
25 17
45 25