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Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
Type PN91
Model
N-.
(1)
(2)
(1) BURNER TYPE
(2) FUEL
(3) OPERATION (Available versions)
(4) BLAST TUBE
(5) DESTINATION COUNTRY
(6) BURNER VERSION
Technical Specifications
Output
Fuel
Oil viscosity
Heavy oil rate
Power supply
Total power consumption (Heavy oil)
Total power consumption (Petroleum)
Fan motor
Pre-heater resistors (heavy oil)
Pre-heater resistors (Petroleum)
Protection
Approx. weight
Operation
Operating temperature
Storage Temperature
Working service*
Heavy oil net calorific value (Hi): 40.4 MJ/kg (average value).
Burners provided with Siemens LMO44 control box: the control box automatically stops after 24h of continuous working. The con-
trol box immediately starts up, automatically.
Burners provided with Siemens LAL25 control box: for safety reasons, one controlled shutdown must take place every 24 hours of
continuous working.
C.I.B. UNIGAS - M039196CC
PART I: INSTALLATION
PR.
S.
*.
A.
(3)
(4)
(5)
(6)
PN91 - PN92 - PN93 - PN510 - PN515 - PN520 - PN525
N - Heavy oil, viscosity
E - Heavy oil, viscosity
D - Heavy oil, viscosity
P - Petroleum, viscosity 89cSt (12° E) @ 50° C
PR - Progressive
S - Standard
* - see data plate
A - Standard
BURNER
≤
50cSt (7° E) @ 50° C
≤
110cSt (15°E) @ 50° C
≤
400cSt (50° E) @ 50° C
PN91
698 - 2093
min - max kW
See "Burner model identification" table
min. - max. kg/h
62 - 187
kW
22.5
kW
12.5
kW
4
kW
18
kW
8
kg
240
°C
°C
5
MD - Fully modulating
L - Extended
PN92
849 - 2558
550 - 4100
Heavy oil
76- 228
49- 365
230/400V 3N a.c. 50Hz
24
18
5.5
18
12
IP40
280
Progressive - Fully modulating
-10 ÷ +50
-20 ÷ +60
Intermittent
PN93
32
26
7.5
24
18
290
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