GAMA ESH150-3PE, Руководство по обслуживанию

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ESH150
–3PE~400V
Service manual
28/56 Issue 1.0 Ref. NR-000144-ENG
http://www.gamapur.com/
Purge method (only for units with tanks & recirculation hose)
Before using the unit, all air pockets and residual oil from in-factory testing must be eliminated.
To purge the full circuit, proceed as follows:
a) Disconnect the isocyanate
and polyol recirculation tubes
and place them in separate
waste recipients.
b) Open the manual purge
valves located under each
tank.
c) Open the manual
recirculation valves.
d) Rotate the power switch to
the ON position. The upper
pilot light goes on.
e) Press the CONTROL
POWER button. The LED will
light up.
f) Press the button located under the HOSES display. The LED inside the button will light
up.
g) When the products contained in the hoses have reached working temperature, press
the ISO and RESIN buttons located under the HEATERS display. Both LEDs will light
up.
WARNING!
To avoid excess pressure in the heating hoses, wait for the products
contained in the hoses to reach the required temperature before starting the hydraulic
system.
h) Press the MOTOR button. The LED will light up.
Once the above operations have been completed, you now must check the direction of rotation
of the motor. Proceed as follows to make sure the motor is rotating in the clockwise direction:
i) Rotate the hydraulic pressure regulator in the anticlockwise direction as far as it will go.
j) Rotate the power switch to the ON position. The upper pilot light goes on.
k) Press the CONTROL POWER button.
l) Position yourself so that you can see the motor fan on the side of the unit. Press the
MOTOR button to start the motor, then press it again to stop the motor. Check that the
fan blades are turning in the clockwise direction.
m) Rotate the hydraulic pressure regulator in the anticlockwise direction as far as it will go.
n) Rotate the power switch to the ON position. The upper pilot light goes on.
o) Press the CONTROL POWER button.
p) Press the NORMAL button. The LED will light up. One of the direction indicator lights
comes on and the proportioning pumps begin to operate.
q) If necessary, rotate the hydraulic pressure regulator to reach the required pressure, and
check the pressure of each proportioning pump on the respective pressure gauges at
the unit’s outlets.