User Interface - Unigas E150X Manual Of Installation - Use - Maintenance

12 Ensure the pressure entering the main valves is not excessive due to damage to or wrong adjustment of the line pressure regulator
13 Ensure the gas supply minimum pressure is at least equal to the pressure required by the pressure curves - burnt gas flow
DANGER! Venting the air from the piping must take place in safe conditions, avoiding dangerous concentrations
of fuel in the rooms. You must therefore ventilate the rooms and wait long enough for the gases to dissipate out-
side before switching on.
To ensure the proper operation of the flow sensors, the fuel/air pipes must be free of liquid residues such as oil
or water. Also, make sure that the silencer is installed on the air intake.

User interface

The AZL2x.. display is shown below:
The keys functions are the following:
4 5 6
3
2
1
11 12
P
V
14
VSD
F A
15
16
The display will show these data:The display will show these data:
7 8 9 10
13
20
reset
h min s %
19
ESC
17 18
PART III: OPERATION
1 Service mode
2 Info mode
3 Parametere setting mode
4 Plant heat request
5 Oil pre-heater energised
6 Fan motor energised
7 Ignition transformers energised
8 Open valves
9 Flame
10 Lock+unlock codes
11 Closing actuator
12 Opening actuator
13 Unit measure
14 Key F + A
While pressing the two keys contemporarly, the code message will
appear: by entering the proper password it is possible to access the
Service mode.
15 Key FUsed to adjust the "fuel" actuator position (Fuel):
While pressing the F key, the "fuel" actuator position can be changed
by means of the + and - keys.
16 Key A (Air):
Used to adjust the "air" actuator position
While pressing the A key, the "air" actuator position can be changed
by means of the + and - keys.
17 Key -Key -
Used to decrease a a value
Used to enter Info and Serivce during the curve adjustments
18 Key +Key +
Used to increase a a value
Used to enter Info and Serivce during the curve adjustments
19 Keys (+ & - )= ESC
By pressing + and - at the same time, the ESCAPE function is perfo-
med: to enter a lower level menu
20 Info and Enter keys Used for Info and Service menues Used as
Enter key in the setting modes
Used as Reset key in the burner operation mode
Used to enter a lower level menu
27