9
Fig. 6
Fig. 7
TR
TCN
Type of heavy oil (°E)
3 to 5
5 to 7
12 to 20
TCN (°C)
90
100
110
TR (°C)
110
120
135
Heavy oil pressure (bar)
25
25
25
TR
TCN
THERMOSTATS SETTING
Thermostat for heavy oil consent TCN
To set this thermostat, remove its cover from the opposite side than the pre-heater resistors; set the consent temperature
following the values reported in the table below.
Resistors consent thermostat TR
The value to set is reported in the table below.
This setting must be carried out during burner’s operation, watching the value of temperature on the thermometer mounted on
the pre-heater.
During the settings, the use of a mercury thermometer is recommended, instead the one fitted with the burner; the scale must
be up to 200°C.
INSTALLATION MANUAL
HEAVY OIL PUMP Suntec E4NC
Suction height:
0.5 bar
Advised value to prevent
air separation from oil:
0.35 bar
Rated speed:
max. 3600 rpm
Operation viscosity:
from 2.8 to 800 cSt
Inlet pressure:
1.5 to 3.5 bar
Key
1
Pressure regulator
2
Manometer point
3
Vacuum-meter
5
Nozzle
7
Suction
8
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