IOD-2007F
2/2017
(Type FSP CATEGORY IV Direct
or Non Direct Vent Air Furnace)
These furnaces comply with requirements em-
bodied in the American National Standard / Na-
tional Standard of Canada ANSI Z21.47·CSA-2.3
Gas Fired Central Furnaces.
Installer:
Affix all manuals
adjacent to the unit.
A
s a professional installer you have an obligation to know
the product better than the customer. This includes all
safety precautions and related items.
Prior to actual installation, thoroughly familiarize yourself
with this Instruction Manual. Pay special attention to all
safety warnings. Often during installation or repair it is
possible to place yourself in a position which is more
hazardous than when the unit is in operation.
Remember, it is your responsibility to install the product
safely and to know it well enough to be able to instruct a
customer in its safe use.
Safety is a matter of common sense...a matter of thinking
before acting. Most dealers have a list of specific good
safety practices...follow them.
The precautions listed in this Installation Manual are
intended as supplemental to existing practices. However,
if there is a direct conflict between existing practices
and the content of this manual, the precautions listed
here take precedence.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
*NOTE: Please contact your distributor or our website for
the applicable Specification Sheet referred to in this manual.
TABLE OF CONTENTS
INSTALLATION INSTRUCTIONS
DM97MC & DC97MC
M
ODULATING
G
AS
F
URNACE
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2014-2017
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
SAFETY CONSIDERATIONS ..................................... 3
SHIPPING INSPECTION.......................................... 4
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS.............. 4
TO THE INSTALLER ........................................... 5
PRODUCT DESCRIPTION ....................................... 5
FEATURES .................................................... 5
PRODUCT APPLICATION ....................................... 6
LOCATION REQUIREMENTS & CONSIDERATINOS ........... 7
CLEARANCES AND ACCESSIBILITY .................................... 8
EXISTING FURNACE REMOVAL ....................................... 9
THERMOSTAT LOCATION ............................................ 9
COMBUSTION & VENTILATION A IR REQUIREMENTS ........................ 9
INSTALLATION POSITIONS ............................................. 12
HORIZONTAL A PPLICATIONS & CONSIDERATIONS ......................... 13
FURNACE SUSPENSION ............................................ 13
FRONT COVER PRESSURE SWITCH TUBE LOCATION ................ 13
DRAIN TRAP AND LINES .......................................... 13
LEVELING ........................................................ 13
ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS ............. 14
DRAIN PAN ...................................................... 14
FREEZE PROTECTION ............................................. 14
PROPANE GAS/HIGH ALTITUDE INSTALLATIONS .......................... 14
VENT/FLUE PIPE & COMBUSTION A IR PIPE ........................... 14
DUAL CERTIFICATION: NON-DIRECT/DIRECT VENT ................ 14
MATERIALS AND JOINING METHODS ............................... 15
PROPER VENT/FLUE AND COMBUSTION AIR PIPING PRACTICES .... 15
TERMINATION LOCATIONS ........................................ 16
CANADIAN VENT PIPE & COMBUSTION AIR PIPE REQUIREMENTS ... 16
STANDARD FURNACE CONNECTIONS ............................... 18
COMBUSTION AIR PIPE ........................................... 18
VENT/INTAKE TERMINATIONS FOR INSTALLATION OF MULTIPLE DIRECT
VENT FURNACES ............................................ 21
CONCENTRIC VENT TERMINATION ................................. 22
SIDE WALL VENT KIT ............................................ 22
CONDENSATE DRAIN LINES & DRAIN TRAP ............................. 22
GENERAL DRAIN INFORMATION ................................... 22
FIELD SUPPLIED DRAIN ........................................... 22
UPFLOW MODEL INSTALLED VERTICALLY .......................... 23
DRAIN EXITING RIGHT SIDE....................................... 23
DRAIN EXITING LEFT SIDE ........................................ 23
UPFLOW MODEL INSTALLED HORIZONTALLY WITH RIGHT SIDE DOWN 24
UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE DOWN 24
UPFLOW MODEL INSTALLED HORIZONTALLY
WITH LEFT SIDE DOWN - ALTERNATE .......................... 25
COUNTERFLOW MODEL INSTALLED VERTICALLY .................... 25
DRAIN EXITING LEFT SIDE ........................................ 25
DRAIN EXITING RIGHT SIDE....................................... 26
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