Table Of Contents - Heat Controller 80+ AFUE Installation Instructions Manual

IMpORTANT SAFETY INFORMATION ...................... 3
REQUIREMENTS & CODES ...................................... 3
Combustion Air Quality ........................................... 4
Clearances to Combustible Materials ..................... 4
Heating Load .......................................................... 4
Installation in a Garage ........................................... 5
Operation of Furnace During Construction ............. 5
COMBUSTION AIR & VENTING REQUIREMENTS ... 6
Important Information .............................................. 7
Installation in a Confined Space ............................. 7
Air From Inside ...................................................... 7
Outdoor Air Using a Crawl Space or
Vented Attic ........................................................... 7
Outdoor Air Using Vertical Ducts ........................... 7
Outdoor Air Using Horizontal Ducts ...................... 7
Air Directly Through an Exterior Wall ................... 8
Alternate Method of Providing Air from
Outside .................................................................. 9
Installation in an Unconfined Space ....................... 9
Category I Venting .................................................. 9
Horizontal Venting ................................................ 10
Flexible Vent Systems .......................................... 10
CIRCULATING AIR REQUIREMENTS ..................... 11
Plenums & Air Ducts ............................................. 11
Return Air Connections ......................................... 11
Upflow & Horizontal Furnaces ............................ 11
Downflow Furnaces ............................................ 12
Supply Air Connections ........................................ 12
Acoustical Treatments .......................................... 12
FURNACE INSTALLATION ...................................... 12
About the Furnace ................................................ 12
Before you Install the Furnace .............................. 12
Locating the Furnace ............................................ 13
Upflow Furnaces ................................................... 13
Horizontal Furnaces .............................................. 13
Downflow Furnaces .............................................. 14
Installation on a Concrete Slab ........................... 14
Pressure Switches ................................................ 15
Bottom Panel Removal ......................................... 15
Alternate Bottom Panel Removal ........................ 15
GAS SUppLY & pIpING ........................................... 16
Leak Check .......................................................... 16
High-Altitude Application ....................................... 17
Conversion to LP / Propane .................................. 19
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TABLE OF CONTENTS

ELECTRICAL wIRING .............................................. 19
Line Voltage Wiring ............................................... 19
Grounding ............................................................. 20
Thermostat / Low Voltage Connections ................ 21
Heat Anticipator .................................................. 21
Twinning ............................................................... 21
START-UP & ADJUSTMENTS .................................. 22
Pre-Start Checklist ................................................ 22
Start-Up Procedures ............................................. 22
Verifying & Adjusting Input Rate ........................... 22
Verifying & Adjusting Temperature Rise ............... 23
Verifying Burner Operation ................................... 23
Verify Operation of the Supply Air
Limit Switch ........................................................... 23
OpERATING SEQUENCE ........................................ 23
Heating Cycle ....................................................... 23
Cooling Cycle ........................................................ 23
Fan Mode .............................................................. 24
MAINTENANCE ........................................................ 24
FIGURES & TABLES ................................................ 26
Figure 18 - Furnace Dimensions ......................... 26
Airflow Data .......................................................... 27
Table 3 - Upflow / Horizontal Gas Furnaces ........ 27
Table 4 - Downflow Gas Furnaces ...................... 29
Electrical Information ............................................ 30
Figure 19 - Wiring Diagram ................................. 30
Gas Information .................................................... 31
Table 5 - Gas Flow Rates .................................... 31
Table 6 - Gas Pipe Capacities ............................. 31
Table 7 - High Altitude Deration Chart for
Table 8 - Natural Gas Heating Values ................. 32
Table 9 - High Altitude Deration Chart for
Table 10 - High Altitude Deration Chart for
Troubleshooting .................................................... 34
Table 11 - Control Board Fault Conditions .......... 34
Furnace Components ........................................... 34
Figure 20 - Component Locations ....................... 35
INSTALLATION / pERFORMANCE CHECKLIST .... 36
Propane Gas ........................................ 32
Nat. Gas - High Heating Values ............ 33
Nat. Gas - Low Heating Values ........... 33