Daikin DM92SN - Location and Clearance Requirements; Location Requirements & Considerations

6
• All other warranty exclusions and restrictions apply
This furnace is an ETL dual-certied appliance and
is appropriate for use with natural or propane gas
(NOTE: If using propane, a propane conversion kit is
required).
Dual certication means that the combustion air inlet pipe
is optional and the furnace can be vented as a:
Non-direct vent (single pipe) central forced air furnace in
which combustion air is taken from the installation area or
from air ducted from the outside or,
Direct vent (dual pipe) central forced air furnace in which all
combustion air supplied directly to the furnace burners through
a special air intake system outlined in these instructions.
T O PREVENT PROPERTY  , PERSONAL INJURY OR DEATH DUE TO
 , DO NOT INSTALL THIS  IN A   , TRAILER , OR
RECREATIONAL VEHICLE 

This furnace may be used as a construction site heater
ONLY if all of the following conditions are met:
• The vent system is permanently installed per these
installation instructions.
• A room thermostat is used to control the furnace.
Fixed jumpers that provide continuous heating
CANNOT be used and can cause long term
equipment damage. Bimetal thermostats, or any
thermostat a󰀨ected by vibration, must not be used
during construction.
• Return air ducts are provided and sealed to the
furnace.
• A return air temperature range between 60ºF (16ºC)
and 80ºF (27ºC) is maintained.
• MERV 11 pleated minimum 4.0” thick (Example P/N
• AMP-11-2025-45) air lter(s) are installed in the
system and inspected daily and replaced as
needed during construction and upon completion of
construction.
• The input rate and temperature rise are set per the
furnace rating plate.
• The furnace must be installed as a two pipe system,
using 100% outside air for combustion during
construction.
• The furnace heat exchanger, components, duct
system, air lters and evaporator coils are thoroughly
cleaned following nal construction clean up by a
qualied person.
• All furnace operating conditions (including ignition,
input rate, temperature rise and venting) are veried
according to these installation instructions.
• Furnace doors must be in place on the furnace while
the furnace is operating in any mode.
• Damage or repairs due to failure to comply with these
requirements are not covered under the warranty.



• Gas furnaces must be installed by a licensed plumber
or gas tter.
• A T-handle gas cock must be used.
• If the unit is to be installed in an attic, the
passageway to and the service area around the unit
must have ooring.



 In their absence, follow the latest edition of
the National Fuel Gas Code (NFPA 54/ANSI Z223.1), and/
or CAN/CSA B149.1-15 Installation Codes, local plumbing or
waste water codes, and other applicable codes.
A copy of the National Fuel Gas Code (NFPA 54/ANSI Z223.1)
can be obtained from any of the following:

23 West 43rd Street, 4th Floor
New York, NY 10036
 
1 Batterymarch Park
Quincy, MA 02169-7471
CSA International
8501 East Pleasant Valley
Independence, OH 441311
The rated heating capacity of the furnace should be
greater than or equal to the total heat loss of the area to
be heated. The total heat loss should be calculated by an
approved method or in accordance with “ASHRAE Guide”
or “Manual J-Load Calculations” published by the Air
Conditioning Contractors of America.
A copy of the CAN/CSA B149.1-15 Installation Codes can
also be obtained from:
CSA International
178 Rexdale Boulevard
Etobicoke, Ontario, Canada M9W 1R3


Follow the instructions listed below and the guidelines provided
in the Combustion and Ventilation Air Requirements section
when selecting a furnace location.
T O PREVENT POSSIBLE   , PROPERTY  ,
PERSONAL INJURY OR DEATH , THE  BULLET POINTS  BE
OBSERVED   THIS UNIT 
