Unigas PN91 Manual Of Installation - Use - Maintenance page 19

Progressive, fully-modulating heavy oil - light oil burners
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Pb3
Pb1
Fig. 12 - Probe connections (Danfoss MCX) and thermostats connections (Burners equipped with double tank)
Menu path
Par
rEG
Pb1
tr
Oil heater temperature probe
Plant consent temperature probe
Pb2
tCI
Oil heater output temperature probe
Pb3
Oil
Set-point oil heater with oil pump
SP0
Pb4
tcn
Oil heater consent temperature probe
Safety temperature tank resistors
trS
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.
Pb4
TR
(when installed)
(PID regulation);
stopped (stand-by)
(manual reset)
C.I.B. UNIGAS
Pb3
TCN - TRS
Oil viscosity at 50 °C according to the letter shown in the burner model
P
N
89 cSt
< 50 cSt
12 °E
< 7°E
parameter not visible
20 °C
70 °C
60-70 °C
110-120 °C
45 °C
120 °C
40 °C
100 °C
120 °C
190-200 °C
19
Pb4
Pb1
TR
E
D
> 50 cSt
> 110 cSt
< 110 cSt
< 400 cSt
> 7 °E
> 15 °E
< 15 °E
< 50 °E
70 °C
70 °C
120-130 °C
130-140 °C
130 °C
140 °C
100 °C
110 °C
190-200 °C
190-200 °C
H
> 400 cSt
< 4000 cSt
> 50 °E
< 530 °E
---
140-150 °C
150 °C
120 °C
190-200 °C

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