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Oil thermostat adjustment
Progressive and fully modulanting oil burners are equipped with electronic multi-thermostat Danfoss MCX, whose operation is con-
trolled by thyristor. (for details refer to the attached technical documentation)
Pb4
Menu path
Par
rEG
Pb1
tr
Oil heater temperature probe
Pb2
tCI
Plant consent temperature probe
(when installed)
Pb3
Oil
oil heater output temperature
probe (PID regulation);
SP0
Set-point oil heater with oil pump
stopped (stand-by)
Pb4
tcn
Oil heater consent temperature
probe
trS
Safety temperature tank resistors
(manual reset)
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
All thermostats are located inside the control panel. To set the temperature use a small screwdriver.
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.
C.I.B. UNIGAS - M039126CE
Fig. 23 - Danfoss MCX
Pb3
Fig. 24 - Probe connections (Danfoss MCX)
Oil viscosity at 50 °C according to the letter shown in the
P
89 cSt
12 °E
20 °C
60-70 °C
45 °C
40 °C
120 °C
26
Pb1
burner model
N
E
< 50 cSt
> 50 cSt
< 110 cSt
< 7°E
> 7 °E
< 15 °E
parameter not visible
70 °C
70 °C
110-120 °C
120-130 °C
120 °C
130 °C
100 °C
100 °C
190-200 °C
190-200 °C
D
H
> 110 cSt
> 400 cSt
< 400 cSt
< 4000 cSt
> 15 °E
> 50 °E
< 50 °E
< 530 °E
70 °C
---
130-140 °C
140-150 °C
140 °C
150 °C
110 °C
120 °C
190-200 °C
190-200 °C
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