2
REPLACEMENT PARTS .................................................. 3
Ordering Parts ................................................... 3
Safety Instructions ........................................... 3
GENERAL INFORMATION .............................................
Transportation Damage ....................................
UNIT LOCATION ............................................................. 6
All Installations: ............................................... 6
Ground Level Installations Only: .................. 6
Rooftop Installations Only: ............................ 6
Roof Curb Installations Only: ........................ 6
RIGGING DETAILS ........................................................... 7
GAS PIPING .................................................................... 7
Installations Only) ............................................ 7
Piping .................................................................... 8
Gas Piping Checks .............................................
PROPANE GAS INSTALLATIONS ................................
Tanks and Piping .................................................
ELECTRICAL WIRING ...................................................
Thermostat Location .........................................
Single Stage Thermostat ................................ 10
Alternate Fan Only Speed .............................. 10
24 Volt Dehumidistat Wiring .......................... 10
High Voltage Wiring .........................................11
CIRCULATING AIR AND FILTERS.............................. 12
Airflow Conversion ........................................ 12
Ductwork ........................................................... 12
Filters ................................................................ 12
VENTING ........................................................................ 12
Installation - Flue Hood Exhaust ................. 12
Installation - Combustion Air Intake Hood . 12
CONDENSATE DRAIN ................................................. 13
Condensate Drain Connection ...................... 13
NORMAL SEQUENCES OF OPERATION .................. 13
Heating ......................................................................... 13
Cooling .............................................................. 13
Fan Only ............................................................ 13
STARTUP, ADJUSTMENTS, AND CHECKS .............. 13
Heating Startup ............................................... 13
Gas BTU Input Check ....................................... 15
Temperature Rise Check ................................. 16
External Static Pressure Check .................. 16
Cooling Startup ............................................... 17
SUPERHEAT ................................................................. 17
Checking Superheat ....................................... 17
Checking Subcooling ...................................... 18
TROUBLESHOOTING .................................................. 18
Ignition Control Error Codes ...................... 18
Fault Recall ...................................................... 18
Abnormal Operation - Heating ...................... 18
........................... 18
......................................... 18
.................................................. 19
Flame Detected with Gas Valve Closed
.......................................... 19
Abnormal Operation - Cooling ..................... 19
............................................... 19
MAINTENANCE ............................................................. 20
Filter Replacement or Cleaning ................. 20
Cabinet Finish Maintenance ........................... 20
(Qualified Servicer Only) ............................... 20
Condenser, Evaporator, and Induced
Draft Motors ..................................................... 20
Flame Sensor (Qualified Servicer Only)..... 20
Flue Passages (Qualified Servicer Only) .... 20
(Qualified Servicer Only) ............................... 20
(Qualified Servicer Only) ............................... 20
Cleaning Burners ............................................ 21
ACCESSORIES AND FUNCTIONAL PARTS ............. 21
Sheet Metal Accessories ............................... 21
Functional Parts .............................................. 21
General Information ....................................... 21
APPENDIX ...................................................................... 22
Indicator Chart ................................................ 22
Heating Timing Chart ....................................... 23
Cooling Timing Chart ...................................... 23
Unit Dimensions ................................................ 24
Wiring Diagram ................................................. 25
Minimum Clearances ........................................ 26
Recommended Filter Sizes .............................. 26
Blower Performance ...................................... 27
CFM Settings and DIP Switch Output ........... 28
Homeowner’s Routine Maintenance
Recommendations ................................................ 29
Start-up Checklist ........................................... 30
TABLE OF CONTENTS