RSD6621008r3
June 2022
Service Instructions
80% Single Stage Ultra-Low NOx Gas Furnaces
DM80SE*U & DM80SN*U
This manual is to be used by qualified, professionally trained HVAC technicians only. Daikin does not assume any
responsibility for property damage or personal injury due to improper service procedures or services performed by an
unqualified person.
The material in this manual does not supercede manufacturer’s installation and operation instructions.
Our continuing commitment to quality products may mean a change in specifications without notice.
©2019 - 2020, 2022
19001 Kermier Rd. Waller, Tx 77484
www.daikincomfort.com
WARNING
DO NOT BYPASS SAFETY DEVICES.
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL,
ADJUST, SERVICE, MAINTENANCE OR REPAIR (HEREIN-
AFTER, “SERVICE”) THE EQUIPMENT SPECIFIED IN THIS
MANUAL SHOULD SERVICE THE EQUIPMENT. THE MANU-
FACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY
OR PROPERTY DAMAGE ARISING FROM IMPROPER SER-
VICE OR SERVICE PROCEDURES. IF YOU SERVICE THIS
UNIT, YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR
PROPERTY DAMAGE WHICH MAY RESULT. IN ADDITION, IN
JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES
TO SERVICE THE EQUIPMENT SPECIFIED IN THIS
MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE
THE EQUIPMENT.
IMPROPER INSTALLATION, ADJUSTMENT, SERVICING,
MAINTENANCE 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.
WARNING
Summary of Contents for DM80SE
Page 15: ...TROUBLESHOOTING 15 DM80SE U...
Page 16: ...TROUBLESHOOTING 16 DM80SE U...
