Confirm, Selecting temperature sensor, Set heating mode: menu 5 – Proheat A4 User Manual
Page 30: Prime the fuel system: menu 9, Check fuel line
PROHEAT AIR A2/A4 INSTALLATION MANUAL
3-2
3.1.5
3.1.6
3.1.7
3.1.2
3.1.3
3.1.4
NOTICE
Set Day
After setting the time, the day will appear in the upper left corner of the display.
Using the LEFT and RIGHT buttons, set day. Pressing TIMER to set.
Confirm
After setting the day of the week, a RED light starts to flash on top center of
the DCP. E: 00 will appear in the center of the display. Press TIMER to clear.
The light will stop flashing and the temperature, time and day will appear in
the display.
Selecting Temperature Sensor
Press and hold the TIMER button for 3 seconds. Using the RIGHT button, go
to Menu 4 (ME4) and press TIMER to select. Select the temperature sensor
using the RIGHT button and pressing TIMER. For initial start up, select T-2.
T-1 is located inside the heater and will measure air entering the heater. T-1
will show on the display.
T-2 is located inside the DCP and will show the ambient temperature in the cab.
T-2 will show on the display.
T-3 is an optional external temperature sensor that is connected to the DCP
and can be located anywhere inside or outside.
Set Heating Mode: Menu 5
Using the RIGHT button, scroll to ME5 and press TIMER to select. Using the
RIGHT button, select P and press TIMER.
Prime the Fuel System: Menu 9
Before starting the heater, it is necessary to prime the system to purge air
from the fuel lines and ensure proper function. Priming is a timed feature and
can be set to 100s, 180s, 360s, or 500s depending on the distance
between the heater and the fuel tank.
Note: To prevent over fueling during priming, disconnect fuel line at heater and
direct fuel in to a suitable container. Once priming is complete, reattach fuel
line to heater ensuring no air enters the fuel line.
Using the RIGHT button, scroll to ME9 and press TIMER to select.
A password is set to prevent accidental activation of the feature. The
password 123 can be entered one digit at a time by scrolling up or down and
pressing the TIMER button to advance to the next digit.
Set the primer run time of the fuel pump using the LEFT or RIGHT button and
pressing TIMER.
180 seconds is recommended for the initial start up.
The priming function can be stopped at any time by pressing the FAN button.
Check Fuel Line
When the fuel line is full, the heater is ready to start.