FPG IN-GNH03, Руководство по эксплуатации продукта

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Part No.21966 Rev. M February 2016
- 18 - Heated Well GN Series
SERVICING
Control Gear
DROP-IN HEATED WELL ASSEMBLIES - SERVICING
Location The incoming mains cable is terminated on a
connecting block in an enclosure on the side of the
well. A mains isolating switch is fitted next to the
enclosure.
This enclosure houses the contactor for the heating
elements, the protective MCBs, the over temperature
cut out, and terminals for connecting the elements.
The low power control gear is located behind the control panel. This is
connected to the power enclosure by a two metre cable. It contains the
switches, indicator lamps, the electronic temperature controller, and the
electronic water level indicator, see circuit diagram.
Heating
DROP-IN HEATED WELL ASSEMBLIES - SERVICING
Caution DO NOT attempt to replace heating elements without isolating the cabinet
at the supply switch or by unplugging it from the mains supply.
Element
Replacement
CAUTION:
This must only
be carried out by
a qualified
service person.
Remove all food dishes and drain the well, to
reveal the heating elements.
Remove the side panels to access the element
terminals.
Each end of the element has two 6.
3mm “faston”
spade connectors. One for power and the other
an earth connection.
Pull off the connectors, remove the element retaining nuts and remove the
element.
Fit a new element of the same type , replacing the fixing nuts and spade
connectors.
Take care to fit the earth connectors to the correct terminal at each side of the
element.
Test
Turn the power on and test the heater operation. If normal operation cannot be
restored, by replacing the element, other circuit components will have to be
checked, see Fault Finding.