Overall efficiency p efficiency within a model group will tend to vary by the size capacity of the unit.
Downflow gas furnace installation.
The ml193df can be installed as a direct vent or non direct vent.
If it is pushed out of the bottom of the furnace and down into the venting.
Followed during the installation servicing and opera tion of this furnace.
Install this furnace only in a location and position as specified in location and clearances page 4 of these instructions.
When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by a duct s sealed to the furnace casing and terminating outside the space containing the furnace.
Propane gas is heavier than air and may collect in any low areas or confined spaces.
Downflow and upflow refer to the direction that heated air is pushed out of a furnace.
A conversion kit ordered separately is re quired for use in propane lp gas applications.
This video explains how to complete the downflow installation of the mvz multi position air handler.
Use only with the type of gas approved for this fur nace.
A gas fired furnace for installation in a residential garage.
The furnace is equipped for installation in natural gas ap plications.
Refer to the furnace rating plate.
Some products like furnaces may also be affected by installation orientation horizontal upflow or downflow or even by the nozzle used in installation as is the case with boilers and oil furnaces.
If the gas furnace is installed in a basement an excavated areas or a confined space it is strongly recommended to contact a gas supplier to install a gas detecting.
Ml193df gas furnace the ml193df category iv gas furnace is shipped ready for installation in the downflow position.
In addition odorant fade may make the gas undetectable except with a warning device.