Unigas RN510, Installation, Use & Maintenance Manual

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The oil viscosity at the nozzle, should be about 1,5 °E, which guarantees correct and safe functioning of the burner. The above tempe-
rature values are suggested and refer to a plant designed according to the prescriptions in the burner user manual.The suggested
values can change in reference to the fuel oil specifications.
Burners equipped with double tank
The first oil tank resistance is controlled by menas thermostats according to the below scheme. All thermostats are located inside the
control panel. To set the temperature use a small screwdriver. The second oil tank is controlled by “MCX” electronic thermostat.
Such temperature must be set during burner operation, checking temperature in the thermometer mounted on the pre-heating tank. We
suggest a thermometer with scale up to 200° C.
Menu path
Oil viscosity at 50 °C according to the letter shown in the burner
model
P N E D H
89 cSt < 50 cSt
> 50 cSt
< 110 cSt
> 110 cSt
< 400 cSt
> 400 cSt
< 4000 cSt
12 °E < 7°E
> 7 °E
< 15 °E
> 15 °E
< 50 °E
> 50 °E
< 530 °E
Par
rEG Pb1 tr Oil heater temperature probe parameter not visible
Pb2 tCI Plant consent temperature probe (when installed) 20 °C 70 °C 70 °C 70 °C ---
Pb3 Oil Oil heater output temperature probe (PID regulation); 60-70 °C 110-120 °C 120-130 °C 130-140 °C 140-150 °C
SP0 Set-point oil heater with oil pump stopped (stand-by) 45 °C 120 °C 130 °C 140 °C 150 °C
Pb4 tcn Oil heater consent temperature probe 40 °C 100 °C 100 °C 110 °C 120 °C
trS Safety temperature tank resistors (manual reset) 120 °C 190-200 °C 190-200 °C 190-200 °C 190-200 °C
Adjust this thermostat to the correct value according to the viscosity-temperature
diagram and check the temperature by using a thermometer with a scale of up to
200° C mounted on the pre-heating tank.
Safety resistors thermostat TRS: it is factory preset and sealed. Don not modify
it!
When the set temperature is exceeded, check the reason and reset it by means of
the push button PR
Resistor thermostat TR: check the best atomising oil temperature and set it on
TR.
Thermostat TCN (it gives the enabling signal to the oil N.C. valve): set TCN at about
PR