Daikin DM96SE - User Manual

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5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
I NSTALLATION I NSTRUCTIONS FOR
DM96SE
S
INGLE -S TAGE G AS F URNACE
IOD-2013A
06/2018
(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.
As 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.
O NLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL , ADJUST , SERVICE OR
REPAIR ( HEREINAFTER , “ SERVICE ”) THE EQUIPMENT SPECIFIED IN THIS MANUAL
SHOULD SERVICE THE EQUIPMENT . T HE MANUFACTURER WILL NOT BE RESPONSIBLE
FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR
SERVICE PROCEDURES . I F YOU SERVICE THIS UNIT , YOU ASSUME RESPONSIBILITY
FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT . I N ADDITION , IN
JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES TO SERVICE THE EQUIPMENT
SPECIFIED IN THIS MANUAL , ONLY LICENSED PERSONNEL SHOULD SERVICE THE
EQUIPMENT . I MPROPER INSTALLATION , ADJUSTMENT , SERVICING OR REPAIR OF
THE EQUIPMENT SPECIFIED IN THIS MANUAL , OR ATTEMPTING TO INSTALL , ADJUST ,
SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN THIS MANUAL WITHOUT PROPER
TRAINING MAY RESULT IN PRODUCT DAMAGE , PROPERTY DAMAGE , PERSONAL
INJURY OR DEATH .
TABLE OF CONTENTS
SAFETY CONSIDERATIONS ............................................. 2
SHIPPING INSPECTION .............................................. 4
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ...................... 4
TO THE INSTALLER ............................................... 5
PRODUCT APPLICATION ............................................... 5
LOCATION REQUIREMENTS & CONSIDERATIONS ........................... 5
CLEARANCES AND ACCESSIBILITY ..................................... 6
EXISTING FURNACE REMOVAL ....................................... 7
THERMOSTAT LOCATION ............................................ 7
COMBUSTION & VENTILATION AIR REQUIREMENTS ........................ 7
INSTALLATION POSITIONS .............................................. 8
HORIZONTAL APPLICATIONS & CONSIDERATIONS .......................... 8
FURNACE SUSPENSION ............................................. 8
FRONT COVER PRESSURE SWITCH TUBE LOCATION .................... 8
DRAIN TRAP AND LINES ............................................ 8
LEVELING ........................................................ 8
ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS ................. 9
DRAIN PAN ....................................................... 9
FREEZE PROTECTION ............................................. 9
VENT/FLUE PIPE & COMBUSTION AIR PIPE .......................... 9
DUAL CERTIFICATION: NON-DIRECT/DIRECT VENT ................. 9
MATERIALS AND JOINING METHODS ................................ 9
PROPER VENT/FLUE AND COMBUSTION AIR PIPING PRACTICES .....10
TERMINATION LOCATIONS ........................................10
STANDARD FURNACE CONNECTIONS ...............................11
VENT/INTAKE TERMINATIONS
FOR INSTALLATION OF MULTIPLE DIRECT VENT FURNACES ..........16
CONCENTRIC VENT TERMINATION ...................................16
SIDE WALL VENT KIT ............................................16
INSTALLATION INSTRUCTIONS

Summary

Installation Guidelines and Safety

Safety Warnings and Precautions

Critical safety warnings, hazards, and precautions for installation personnel.

Shipping Inspection

Procedures for inspecting the unit upon arrival for damage.

ESD Precautions

Guidelines to prevent damage to electronic components from static discharge.

Location, Air, and Clearances

Product Application and Location

Defines furnace application and guidelines for safe installation locations.

Clearances and Accessibility

Required clearances around the furnace for safe operation and servicing.

Combustion and Ventilation Air

Requirements for providing adequate air for combustion and ventilation.

Piping, Venting, and Drainage

Installation Positions and Horizontal Considerations

Guidelines for furnace orientation and specific horizontal installation needs.

Drain Trap and Lines

Requirements and precautions for condensate drain traps and lines.

Vent;Flue Pipe Practices and Terminations

Best practices for vent/flue piping, materials, and termination locations.

Electrical and Gas Connections

Electrical Wiring

Instructions for connecting power supply, thermostat, and wiring harness.

Gas Supply and Piping

Guidelines for connecting the gas supply and piping to the furnace.

Operation, Testing, and Maintenance

Startup, Operation, and Shutdown

Steps for furnace startup, operation, and shutdown procedures.

Pressure and Rate Measurement

Procedures for measuring gas pressure, input rate, and temperature rise.

Blower Speed and Performance Checks

Adjusting blower speed and performing operational checks.

Maintenance and Inspection

Annual inspection, filter maintenance, and general upkeep.

Troubleshooting and Diagnostics

Troubleshooting and Lockout

Guidance for diagnosing issues, fault codes, and lockout procedures.

Wiring Diagram and Airflow Data

Detailed wiring diagram and airflow data for reference and troubleshooting.

Daikin DM96SE Specifications

General

Model	DM96SE
Efficiency Rating	Up to 96% AFUE
Heating Capacity	40, 000 to 120, 000 BTU/h
Fuel Type	Natural Gas or Propane
Warranty	12-Year Parts Limited Warranty, Limited Lifetime Heat Exchanger Warranty (registration required)
Stages	Two-Stage
Cabinet Type	Multi-Position