Ml195Df Gas Furnace; Shipping And Packing List; Safety - Lennox MERIT Series Installation Instructions Manual

ML195DF Gas Furnace

The ML195DF Category IV gas furnace is shipped ready
for installation in the downflow position.
The furnace is equipped for installation in natural gas
applications. A conversion kit (ordered separately) is re-
quired for use in propane/LP gas applications.
The ML195DF can be installed as a Direct Vent or Non-
Direct Vent gas central furnace.
NOTE - In Direct Vent installations, combustion air is tak-
en from outdoors and flue gases are discharged outdoors.
In Non-Direct Vent installations, combustion air is taken
from indoors or ventilated attic or crawlspace and flue
gases are discharged outdoors. See figures 1 and 2 for
applications involving roof termination.
DIRECT VENT INSTALLATION
EXHAUST OUTLET
COMBUSTION
AIR INTAKE OUTSIDE
OF HOUSE
FIGURE 1
NON-DIRECT VENT
INSTALLATION
EXHAUST
OUTLET
COMBUSTION
AIR INTAKE INSIDE
VENTILATED
ATTIC SPACE
FIGURE 2
NON-DIRECT VENT
INSTALLATION
EXHAUST
OUTLET
COMBUSTION
AIR INTAKE
INSIDE
OF HOUSE
NON-DIRECT VENT
INSTALLATION
EXHAUST
OUTLET
COMBUSTION
AIR INTAKE INSIDE
VENTILATED
CRAWL SPACE

Shipping and Packing List

Package 1 of 1 contains
1 - Assembled ML195DF unit
1 - Bag assembly containing the following:
1 - Snap bushing
1 - Snap plug
1 - Wire tie
1 - Condensate trap
1 - Condensate trap cap
1 - Condensate trap clamp
1 - 2" diameter Air intake screen
1 - 3/4" Threaded street elbow
Danger of explosion.
There are circumstances in which odorant used with LP/
propane gas can lose its scent. In case of a leak, LP/
propane gas will settle close to the floor and may be
difficult to smell. An LP/propane leak detector should be
installed in all LP applications.
Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.
The following items may also be ordered separately:
1 - Thermostat
1 - Propane/LP changeover kit
Safety Information
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
Use only the type of gas approved for use with this fur-
nace. Refer to unit nameplate.
ML195DF units are CSA International certified to ANSI
Z21.47 and CSA 2.3 standards.
Building Codes
In the USA, installation of gas furnaces must conform with
local building codes. In the absence of local codes, units
must be installed according to the current National Fuel
Gas Code (ANSI-Z223.1/NFPA 54). The National Fuel
Gas Code is available from the following address:
Page 3
DANGER
WARNING
CAUTION