American Dryer Corp. ADG-385 - Manual (Page 17)

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L. Motor Contactor (1Ø Motor)
This motor contactor used on single phase dryers, is
located in the rear of the machine, in the Electrical
Panel Box. It's purpose is to transfer the higher
voltage to the motor when the contactor coil voltage
has been achieved. The contactor will have a filter ca-
pacitor across the coil connections. This helps smooth
out the 24 volt signal from the computer board.
M. Non-Reversing Contactor (3Ø Motor)
The non-reversing contactor is used on 3 phase
non-reversing dryers and is located on the upper left hand
side of the dryer (view from rear). It is through the contactor
that the voltage inputs are fed. Its purpose is to transfer the
higher voltage to the motor when the contactor coil voltage
have been achieved. The contactor will have a filter
capacitor across the coil connections. This helps smooth
out the 24 volt signal from the computer board.
N. Hi-Limit Thermostat
The hi-limit thermostat is another safety
device that we use on gas and electric
models. The hi-limit is located in the
burner or oven area. The hi-limit switch
cuts off the heat if the temperature exceeds
330° for gas models. Under normal conditions
the only way this device would shut off the
heat is when the air flow changes to the extent
of making the flame brush up against it.