Table of Contents
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REPLACEMENT PARTS ................................................. 2
Ordering Parts .......................................................... 2
SAFETY INSTRUCTIONS .............................................. 3
To the Installer ......................................................... 3
To the Owner ............................................................. 3
GENERAL INFORMATION ............................................. 5
Transportation Damage ........................................... 5
UNIT LOCATION .............................................................. 6
All Installations: ....................................................... 6
Ground Level Installations Only: ........................... 6
Rooftop Installations Only: .................................... 6
Roof Curb Installations Only: ................................ 7
RIGGING DETAILS ......................................................... 7
Rigging details ........................................................... 7
GAS PIPING ..................................................................... 7
Piping ........................................................................... 8
Gas Piping Checks .................................................... 9
PROPANE GAS INSTALLATIONS ................................. 9
Tanks and Piping ........................................................ 9
ELECTRICAL WIRING .................................................. 10
Thermostat Location .............................................. 10
Single Stage Thermostat ....................................... 10
Unit Voltage ............................................................. 11
CIRCULATING AIR AND FILTERS ............................... 12
Airflow Conversion ................................................ 12
Ductwork.................................................................. 12
Filters ....................................................................... 12
VENTING ........................................................................ 13
Installation - Flue Hood Exhaust ......................... 13
Installation - Combustion Air Intake Hood .......... 13
CONDENSATE DRAIN .................................................. 13
Condensate Drain Connection .............................. 13
NORMAL SEQUENCES OF OPERATION .................. 13
Heating ..................................................................... 13
Cooling ..................................................................... 14
Fan Only ................................................................... 14
STARTUP, ADJUSTMENTS, AND CHECKS ............... 14
Heating Startup ....................................................... 14
Gas BTU Input Check (Natural Only) .................... 16
Temperature Rise Check ........................................ 16
Total External Static Testing ............................... 17
Cooling Startup ...................................................... 18
REPLACEMENT PARTS
Ordering Parts
When reporting shortages or damages, or ordering repair
parts, give the complete unit model and serial numbers as
stamped on the unit's nameplate.
TABLE OF CONTENTS
Checking Subcooling .............................................. 18
Checking Superheat ................................................ 18
TROUBLESHOOTING .................................................. 19
Ignition Control Error Codes .............................. 19
Fault Recall ............................................................. 19
Abnormal Operation - Heating ............................... 19
Internal Control Failure ................................... 19
External Lockout ................................................ 19
Pressure Switch Stuck Open ............................ 20
Pressure Switch Stuck Closed ........................ 20
Primary Limit ......................................................... 20
Flame Detected with Gas Valve Closed ........... 20
Low Flame Signal ................................................. 20
Abnormal Operation - Cooling .............................. 20
Short Cycle Compressor Delay ........................ 20
Charge Switch ...................................................... 20
MAINTENANCE ............................................................. 21
Filter Replacement or Cleaning .......................... 21
Cabinet Finish Maintenance ................................... 21
Draft Motors ...................................................... 21
Flame Sensor (Qualified Servicer Only) ............. 21
Flue Passages (Qualified Servicer Only) ............ 21
Servicer Only) ...................................................... 21
Cleaning Burners .................................................... 22
ACCESSORIES AND FUNCTIONAL PARTS .............. 22
Sheet Metal Accessories ...................................... 22
Functional Parts ..................................................... 22
General Information ............................................... 22
APPENDIX ...................................................................... 23
Heating Timing Chart .............................................. 23
Cooling Timing Chart .............................................. 23
Unit Dimensions ........................................................ 24
Wiring Diagram ........................................................ 25
Blower Performance ............................................. 27
Start-up Checklist .................................................. 28
Replacement parts for this appliance are available through
your contractor or local distributor. For the location of your
nearest distributor, consult the white business pages, the
yellow page section of the local telephone book or contact:
Daikin Comfort Technologies Manufacturing, L.P.
2
HOMEOWNER SUPPORT
19001 KERMIER ROAD
WALLER, TEXAS 77484
(877) 254-4729
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