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DM80HS

Two-Stage, Convertible

Multi-Speed Gas Furnace

80% AFUE

Heating Input: 40,000 – 140,000 BTU/h

SS-DM80HS

www.daikincomfort.com

9/15

Supersedes 12/13

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Contents

Nomenclature ............................................2

Product Specifications

 ...............................3

Dimensions

 ................................................4

Airflow Data

 ...............................................5

Wiring Diagram ..........................................7

Accessories

 ................................................8

Minimum Filter Sizes

 .................................8

* Complete warranty details available from your local dealer or at www.daikincomfort.com. To receive the Lifetime Heat 

Exchange Limited Warranty and the 12-Year Parts Limited Warranty, online registration must be completed within 60 days 
of installation. Additional requirements for annual maintenance are required for the Unit Replacement Limited Warranty.  
Online registration and some of the additional requirements are not required in California or Quebec.

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Standard Features

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Cabinet Features

• 

Stainless-steel dual-diameter, tubular heat exchanger 

• 

Two-stage convertible gas valve auto-

 

matically adjusts to high or low stage 

• 

Durable Silicon Nitride igniter

• 

Quiet single speed draft inducer

• 

Quiet four-speed direct-drive circulating blower motor

• 

Self-diagnostic control board with 

 

constant memory fault code

• 

Color-coded low-voltage terminals with provisions 

 

for electronic air cleaner and humidifier

• 

Multi-speed blower motor

• 

Low continuous fan speed 

 

options offer quiet air circulation

• 

California Low NOx emissions 

 

standards models available 

• 

AHRI Certified; ETL Listed

• 

Multi-position installation: 

 

upflow, horizontal left or right

• 

Convenient left or right connection 

 

for gas and electrical service

• 

Cabinet air leakage (Q

Leak

) ≤ 2%

 

• 

Heavy-gauge steel cabinet with 

 

durable baked-enamel finish

• 

Fully insulated heat exchanger 

 

and blower section

Summary of Contents for DM80HS0403A

Page 1: ...quired in California or Quebec Standard Features Cabinet Features Stainless steel dual diameter tubular heat exchanger Two stage convertible gas valve auto matically adjusts to high or low stage Durable Silicon Nitride igniter Quiet single speed draft inducer Quiet four speed direct drive circulating blower motor Self diagnostic control board with constant memory fault code Color coded low voltage...

Page 2: ...97 97 98 AFUE 92 92 AFUE N Natural Gas 96 96 AFUE 80 80 AFUE X Low NOx Gas Valve Cabinet Width M Modulating H Convertible Two Stage A 14 C 21 V Two Stage S Single Stage B 17 D 24 Motor C Variable Speed ECM ComfortNet Maximum CFM E High Efficiency S Single Speed 2 800 CFM 3 1200 CFM MBTU h 4 1600 CFM 040 40 000 BTU h 100 100 000 BTU h 5 2000 CFM 060 60 000 BTU h 120 120 000 BTU h 080 80 000 BTU h 1...

Page 3: ...6 107 114 118 132 132 Natural Gas BTU h for altitudes above from 0 to 5 500 above sea level reduce input rating 4 for each 1 000 above 5 500 altitude Low fire rate is 75 of high fire rate DOE AFUE based upon Isolated Combustion System ICS Vent diameter may vary depending upon vent length Refer to the latest editions of the National Fuel Gas Code NFPA 54 ANSI Z223 1 in the USA and the Canada Nation...

Page 4: ...m Clearances to Combustible Materials Sides Rear Front Bottom Vent Top SW B 1 0 3 C 6 1 1 C If placed on combustible floor the floor MUST be wood ONLY Notes For servicing or cleaning a 24 front clearance is recommended Unit connections electrical flue and drain may necessitate greater clearances than the minimum clearances listed above In all cases accessibility clearance must take precedence over...

Page 5: ... Med Lo 3 5 1 615 37 1 592 37 1 556 38 1 516 39 1 470 40 1 405 1 346 1 235 Low 3 1 290 46 1 285 46 1 265 47 1 235 48 1 214 49 1 174 1 044 904 DM80HS 1005C A High 5 2 323 2 225 2 120 35 2 040 36 1 974 38 1 801 1 688 1 577 Med 4 1 858 40 1 847 40 1 799 41 1 744 42 1 674 44 1 577 1 493 1 399 Med Lo 3 5 1 596 46 1 587 47 1 571 47 1 552 48 1 493 50 1 397 1 326 1 217 Low 3 1 291 57 1 272 58 1 261 59 1 2...

Page 6: ...ERATURE RISE CHART TEMPERATURE RISE 600 CFM 700 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 CFM FORMULAS BTU OUTPUT CFM x 1 08 x RISE RISE BTU OUTPUT 1 08 CFM 800 Temperature Rise Formulas BTU h Output CFM x 1 08 x Rise Rise BTU H Output CFM x 1 08 BTU Output Vs Temperature Rise Chart Output BTU h x 1 000 6 www daikincomfort com SS DM80HS ...

Page 7: ...LIMIT 3 FLASHES PRESSURE SWITCH STUCK OPEN 2 FLASHES PRESSURE SWITCH STUCK CLOSED STEADY ON NORMAL OPERATION OFF CONTROL FAILURE 5 1 FLASH 0 1 2 3 4 PU 6 FLASHES OPEN ROLLOUT OR OPEN FUSE COLOR CODES PU PURPLE OR ORANGE YL YELLOW 6 7 8 BK BLACK GR GREEN BR BROWN PK PINK RD RED GY GRAY BL BLUE WH WHITE PU RATING OF AT LEAST 105 NOTES OVERCURRENT PROTECTION DEVICE JUNCTION BOX MUST BE WARNING SWITCH...

Page 8: ...005C DM80 HS1205D DM80 HS1405D Filter Size in2 1 16 x 25 Side or 1 14 x 24 Bottom 1 16 x 25 Side or Bottom 1 16 x 25 Side or Bottom 2 16 x 25 Side or 1 20 x 25 Bottom 2 16 x 25 Side or 1 24 x 24 Bottom Note Other size filters of equal or greater surface area may be used filters may also be centrally located Use 2 16 X 25 filters on side returns or 20 X 25 filter on bottom return if furnace is conn...

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