Where to locate the microwave vent depends on two things if the present vent goes through the roof or the wall behind the over stove microwave.
Microwave range vent installation.
Attach the transition piece to connect the oven to ductwork.
The first step to installing an over the range microwave is to decide on the venting option.
This microwave oven is for installation over ranges up to 36 91 44 cm wide.
Replace the fan cover bracket by sliding it into the slits in the same direction as the arrow on the fan cover bracket.
How to install a microwave oven over your range and vent it outside to avoid smoke and oil getting on your ceiling.
However keep it in mind that if needed you might have to do some other transition.
As per the ductwork and vent configuration of the microwave cut open for a microwave vent by using a jigsaw.
Remove the access plate on the top of the unit in order to reach the motor.
The microwave itself will have a fan and since it sits above the range where a range hood would normally go both appliances will have to ventilate outside together.
If you are replacing an existing microwave or a range hood the best option will likely be to use the existing venting route for the new microwave.
If you are going to vent your microwave oven to the outside see hood exhaust section for exhaust duct preparation.
4 installation instructions 5.
Either the appliances will ventilate horizontally through a tube in the wall or vertically first through the cabinet above the microwave and then the ceiling or higher up on the wall.
Over the range microwave ducting information duct installation guidelines.
Remove the motor mounting screws on the back of the oven.
The way in which you vent will depend on the unit and the configuration of your kitchen.
Ordinarily there are two options.
When installing the microwave oven beneath smooth flat cabinets be careful to follow the instructions on the top cabinet template for.
Take out the motor and rotate it 90 degrees so that the fan motor now blows upward.