M Series Wall Oven
M Series Wall Oven
Electronics
2-4
#824974 - Revision C - November, 2016
UIM and Relay Board Status Indicators
The UIM and relay board have two visual status indicators. The red status indicator is always active when either
board has power. The green status indicator flashes when communications are operating and is off when communi-
cations cease. The status indicator on the UIM does not operate in standby mode. In standby mode the relay board
status indicator blinks approximately every two seconds.
7” Display - Transitional and Contemporary
Brightness is adjustable by the software and by the user from 0% to 100% in 5% increments. •
User setting of 0% is equivalent to 2% of the actual display brightness. •
Will not allow condensation on the display from opening of the oven door to be recognize as a key press and will•
not give any feedback.
7” Display - Professional
Is the same as the Contemporary and Transitional models •
Will not allow for mode selection through the GUI. Mode is only intended to be set though the mode knob.•
Cooling Fan
The fan speed at low, medium, and high is determined by the relay board software.•
The current relay board software version is 3.0.4.0.•
Operated by triac and detected during operation by voltage sense. •
Is settable for high, medium and low speeds by a stored setting in memory. •
Speed range is settable from 0 to 15. •
Has a separate set of parameters for when the oven is cooking and for when the oven is off.•
Single oven at 240 VAC and 60 Hz: Low speed is 9; medium speed is 12; and high speed is 15.•
Upper and lower oven at 240 VAC and 60 Hz: Low speed is 9; medium speed is 13; and high speed is 15.•
Single oven at 230 VAC and 50 Hz: Low speed is 10; medium speed is 12; and high speed is 15.•
Upper and lower oven at 230 VAC and 50 Hz: Low speed is 9; medium speed is 13; and high speed is 15.•
Single oven at 208 VAC and 60 Hz: Low speed is 12; medium speed is 12; and high speed is 15.•
Upper and lower oven at 208 VAC and 60 Hz: Low speed is 13; medium speed is 15; and high speed is 15.•
On single oven and upper oven speed is controlled by RTD and relay board temperatures and the active mode.•
Each temperature sensor (in all ovens) will request a certain fan speed related to temperature.•
Runs at maximum speed when an error is detected on that temperature sensor. •
Runs at maximum speed when Dehydrate mode is active. •
Runs the highest requested speed from any temperature sensor.•
Runs while door is open on single and upper oven.•
Stops running when lower oven door is open.•
Speed on lower oven is controlled by the lower RTD and the active lower mode. •
Upper and lower oven will run at the highest requested speed of the three temperature sensors when the upper•
oven RTD is greater than 550° F.
Will resume independent operation when the RTD sensor of the upper oven falls below 545° F.•
Configuration memory has a Low Fan On temperature, a Low Fan Off temperature, a Medium Fan On tempera-•
ture, a Medium Fan Off temperature, a High Fan On temperature, and a High Fan Off temperature for each sen-
sor in the system.
Temperature settings are enforced by the UIM software and have this relationship between temperatures:•
Low Fan On < Medium Fan On < High Fan On•
Low Fan Off < Medium Fan Off < High Fan Off•
Low Fan Off < Low Fan On•
Medium Fan Off < Medium Fan On•
High Fan Off < High Fan On•
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