Goodman Mfg GDS8, GHS8, GMS8

IO-242C 05/05

Table of Contents

I. Warnings .......................................................................................................................................................................... 3

TO THE OWNER ................................................................................................................................................ 4

TO THE INSTALLER............................................................................................................................................. 4

TRANSPORTATION DAMAGE .................................................................................................................................. 4

II. Safety............................................................................................................................................................................... 4

ADDITIONAL SAFETY CONSIDERATIONS .................................................................................................................. 4

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................................................................................................. 5

III. Product Application....................................................................................................................................................... 5

IV. Location Requirements and Considerations............................................................................................................... 6

GENERAL ......................................................................................................................................................... 6

CLEARANCES AND ACCESSIBILITY ......................................................................................................................... 7

FURNACE SUSPENSION ....................................................................................................................................... 7

EXISTING FURNACE REMOVAL .............................................................................................................................. 7

THERMOSTAT LOCATION...................................................................................................................................... 7

V. Combustion and Ventilation Air Requirements............................................................................................................ 8

VI. Category I Venting (Vertical Venting)......................................................................................................................... 10

VENTING......................................................................................................................................................... 10

VII. Masonry Chimneys .................................................................................................................................................... 11

CHECKLIST SUMMARY ....................................................................................................................................... 11

CHECK 1 - PROPER CHIMNEY TERMINATION. ....................................................................................................... 11

CHECK 2 - ANY SOLID OR LIQUID FUEL APPLIANCES VENTED INTO THIS CHIMNEY CHANNEL ....................................... 12

CHECK 3 - CHIMNEY CROWN CONDITION............................................................................................................. 12

CHECK 4 - DEBRIS IN CLEANOUT ....................................................................................................................... 12

CHECK 5 - LINER CONDITION. ............................................................................................................................ 12

CHECK 6 - DILUTION AIR. ................................................................................................................................. 13

CHECK 7 - COMPLETE THE INSTALLATION. ........................................................................................................... 13

FIX 1 - LINER TERMINATION............................................................................................................................... 13

FIX 2 -CHANGE VENTING ARRANGEMENTS ........................................................................................................... 13

FIX 3 - REBUILD THE CROWN. ........................................................................................................................... 13

FIX 4 - RELINING. ............................................................................................................................................ 13

VIII. Electrical Connections.............................................................................................................................................. 14

WIRING HARNESS ............................................................................................................................................ 14

115 VOLT LINE CONNECTIONS........................................................................................................................... 14

FOSSIL FUIEL APPLICATIONS .............................................................................................................................. 14

JUNCTION BOX RELOCATION.............................................................................................................................. 14

24 VOLT THERMOSTAT WIRING.......................................................................................................................... 15

115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER AND ELECTRONIC AIR CLEANER) .................................... 15

24 VAC HUM .................................................................................................................................................. 16

TWINNING ....................................................................................................................................................... 16

IX. Gas Supply and Piping............................................................................................................................................... 17

GENERAL ........................................................................................................................................................17

HIGH ALTITUDE DERATE .......................................................................................................................................17

PROPANE GAS CONVERSION .............................................................................................................................. 18

GAS PIPING CONNECTIONS ................................................................................................................................18

UPFLOW INSTALLATIONS ..................................................................................................................................... 19

COUNTERFLOW INSTALLATIONS............................................................................................................................. 19

GAS PIPING CHECKS........................................................................................................................................ 19

PROPANE GAS TANKS AND PIPING...................................................................................................................... 19

PROPANE GAS PIPING CHARTS .......................................................................................................................... 20

X. Circulating Air and Filters ...........................................................................................................................................20

DUCTWORK-AIRFLOW ........................................................................................................................................ 20

FILTERS - READ THIS SECTION BEFORE I NSTALLING THE RETURN A IR DUCTWORK ....................................................... 20

CIRCULATION AIR FILTERS .................................................................................................................................. 20

UPRIGHT INSTALLATIONS..................................................................................................................................... 20

HORIZONTAL INSTALLATIONS ................................................................................................................................21

XI. Sequence of Operation (Integrated Ignition Control) .............................................................................................. 21

POWER UP..................................................................................................................................................... 21

NORMAL HEATING SEQUENCE ............................................................................................................................ 21

CONSTANT FAN ................................................................................................................................................ 21