Electric System
New CHEFTOP MIND.Maps™ BIG has of 6 motors in PLUS ovens. This improvement involves an increase in
the absorbed power that the single power board is not able to manage. In order not to overload the stages
of reverse rotation, it is necessary to adopt an additional motor power board to divide the absorbed load.
■ The safety thermostat that protects the motors from overheating will act on all the motors at the
same time and will stop the heating in the cooking chamber,
■ The actual rotation of the two motors out of the six motors is constantly measured and monitored.
The engine revolution sensors are placed on the top and bottom engine.
Note: The second powerboard is needed because the single power board is designed to power up to 5
motors. Do not bridge all the motors with one power board.
only Star connection
Delta connection
Star connection
Only Star connection
Delta connection
Power boards
The primary power boards that are used are the same in CHEFTOP MIND.Maps™ BIG and the same as
MIND. Maps™ countertop or trolley ovens. For the electric CHEFTOP MIND.Maps™ BIG Plus, the power
board is KPE2038A for European ovens and for the gas oven, it is KPE2021C.
What differentiates at the CHEFTOP MIND.Maps™ BIG from its predecessor is the additional auxiliary
power board (KPE2143A). The new power board manages three motors, the new PT1000 core probe, and
the second revolution sensor. More details can be found on the earlier Power boards section number 2
with the explanation of each and every socket in the auxiliary board.
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