XLT Ovens 1832, Руководство по запчастям и обслуживанию

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HOOD THEORY OF OPERATION (STD W/FS)
HUI - Hood User Interface contains the factory settings so that the hood will operate with the cor-
rect hertz when the correct oven size and number of ovens are selected. The factory settings also
contain a selection for a VFD, Non VFD, type of MUA activation, and for a World installation. A
beeping sound and the display will flash if an alarm occurs. An error message will display at top of
screen on HUI. Touching the “I” button will give a brief description of how to correct the error.
Touching the “Light Bulb” button will turn the light on and off inside the hood.
Touching the “Silver Square” buttons will turn each oven on or off and sequence the operation of
the VFD and the MUA circuits. RS-485 cable supplies power and communication between the
HUI and HMC.
LT1 & LT2 - These are light bulbs at each end of the hood that illuminate when the HUI hood
lights button is pressed. When pressed again the lights turns off.
M1 - The Exhaust Fan Motor is a 3-phase, direct drive motor. In normal operation, it is powered
by the VFD and its RPM will vary as the frequency from the VFD varies. There are no user ser-
viceable parts in the motor, and the bearings are permanently lubricated.
M2 & M3 - The Cooling Fan Motor is a 24 VDC, direct drive motor. In normal operation, it is
powered through HMC. These fans are used to keep the control box for the hood cool. There are
no user serviceable parts in the motor, and the bearings are permanently lubricated.
PLUG 1, 2, & 3 - These are circular electrical plugs on one end of the SRC. The plugs connect to
Receptacles 4, 5, & 6 on the back of the hood. The other end of the SRC plugs into the oven wire
harness, and eliminates the power button supplied on the oven. Conversely, when the HUI on the
hood is turned off, the corresponding oven is turned off as well.
XLT Logo
Hood Lights
Alarm Mute
Error Information
Oven Off (Outline)
Oven On (Filled)
Exhaust Fan On
Exhaust Fan Speed
Oven Buttons