ULPOWER UL260, Operating Manual

Page: 14 / 25

Operating Manual
UL POWER
UL 260, UL 350, UL 390, UL 520
M0310: OM 260 - 520A01 Revision No: 04 Date: 2021-11-18 Page: 12 of 23
Operation limits
The operational limits for naturally aspirated and turbocharged engines are the same, with the exception of manifold air temperature (and turbo
pressure).
Value Volts
V
*
Oil Temp
C / F
Manifold Air
Temperature
Naturally
aspirated
C / F **
Manifold Air
Temperature
Turbo
C / F **
Fuel Pressure
(rail sensor)
Bar / PSI ***
Oil
Pressure
Bar / PSI
+
EGT
C / F
++
CHT
C / F
+++
Outside Air
Temperature
C/F
Turbo
pressure
Bar/PSI ++++
Turbo
ECU (Ambient)
Temperature
C/F
Min:
Red
12.5V
50°C
122°F
-30°C
-13°F
-30°C
-13°F
2.4Bar
35PSI
0.7 – 1Bar
10 – 15PSI
300°C
573°F
-25°C
-13°F
++++ -40°C
-40°F
Yellow
12.5 – 12.7V
50 – 80 ° C
122 176
°
F
1 – 2Bar
15 – 29PSI
300 – 400 ° C
572 – 752
°
F
<50 ° C
<122
°
F
++++
Green
12.7 – 14.5V
80 – 100
°
C
176 – 212 ° F
-30 – 40
°
C
-13 – 104 ° F
-30 – 60
°
C
-13 – 140 ° F
2.4 – 3.4Bar
35 – 49PSI
2 – 5Bar
29 – 73PSI
400 – 850
°
C
752 – 1562 ° F
50 – 160
°
C
122 – 320 ° F
-25 – 50
°
C
-13 – 122 ° F
1.32-1.38Bar
19.1 – 20.0PSI
-40 – 65°C
-40°F – 149°F
Yellow
14.5 – 15.5V
100 – 120 ° C
212 – 248 ° F
40 – 60 ° C
104 – 140 ° F
60 – 75 ° C
140 – 167 ° F
3.4 – 3.8Bar
49 – 55PSI
5 – 8Bar
73 – 116PSI
850 – 880 ° C
1562 – 1616 ° F
160 – 180 ° C
320 – 356 ° F
1.38-1.40Bar
20.0 – 20.3PSI
Max:
Red
15.5V
120°C
248°F
60°C
140°F
75°C
167°F
3.8Bar
55PSI
8Bar
116PSI
880°C
1616°F
180°C
356°F
50°C
122°F
1.40Bar
20.3PSI
65°C
149°F

WARNING: Make sure operating limits are respected at all times. Running the engine outside of the limits set by the manufacturer may severely
damage the engine and will render any warranty relating to this engine null and void.