Integral T process thermostats
21/01/2019 / YAWE 0026 Starting up 85
7.8.3 Pump motor monitoring
In case of pump motor overload or a blockage, the heating, the pump and the
refrigeration system are switched off.
A double signal tone sounds.
The display PUMP 1 appears and the fault triangle is
flashing.
Rectify the fault, e.g. clean the pump or check the
viscosity, then
if necessary allow the equipment to cool down approx.
30 min.
reset with the key.
WARNING! Equipment and pump start up!
If several faults appear simultaneously, they have to be
reset individually.
In case of overload of the pump for the external circuit
the message PUMP 1 is displayed on model T 4600 W.
On units with a separate pump for internal circulation
(T 4600 - T 10000 W) the message PUMP 2 means
that the fuse F5 has to be replaced.
Only by a qualified electrician: remove the side panel
on the right.
On units with a 3-phase pump (T 7000 - T 10000 W)
the message PUMP 1 means that the motor protection
cut-out has to be reset.
Only by a qualified electrician: remove the side panel
on the right.
7.8.4 Refrigerant pressure
The compressor is switched off if the refrigerant
pressure is excessive.
This message is displayed:
A double signal tone sounds.
The refrigeration compressor starts up automatically!
Reset the fault message PRES.
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