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ESH150
–3PE~400V
Service Manual
17/56
Ref. NR-000144-ENG
For machines with different product tanks or pumps, you must perform the calculation for each
product and program the most unfavorable result (the result with the least number of cycles).
When the counter reaches zero the machine stops in order not to pump air from the tanks into
the system and alerting the lack of product in the tanks. Once the programmed cycles have
been consumed, you must reset the counter and fill the tank if you want to reuse as a low
product level tanks.
7.
Control / Power button
This button controls the power switch providing electrical power to the heating circuits of the
heaters and hoses (if applicable). When pressed, this button lights up. To disconnect the power
supply, press this button again. The power supply automatically cuts out in the event of an
alarm for excess temperature in the heaters (alarms 6 and 7) or an alarm for excess intensity in
the hose heating (alarm 9).
8.
Motor button
This button starts and stops the hydraulic motor. When pressed, this button lights up. To switch
off the hydraulic motor, press this button again. The hydraulic motor switches off automatically
in the event of hydraulic motor overload (alarm 8).
The “Motor” function is only available on
units with hydraulic drive.
9.
Normal button
Press this button to activate normal operation. When pressed, this button lights up.
10. Retract button
Pressing this button sets the piston of the isocyanate proportioning pump to the retracted
position to prevent product residue from crystallizing on the piston. Press the RETRACT button
every time you stop the unit. When pressed, this button lights up.
11. Direction indicator lights
These lights indicate the direction of movement of the proportioning pumps (left light for
downward movement, and right light upward movement). When there is excess pressure in the
system, both these lights go out and alarms 3 and 4 are activated. The NORMAL and
RETRACT buttons remain active.