GMES96-U Installation Manual

ManualsBrandsGoodman ManualsFurnacesGMES96 - 60k BTU - Ultra Low NOx Gas Furnace - 96% AFUE

AFETY

ONSIDERATIONS

IMPORTANT NOTE: This unit is designed to meet the NOx

requirement of 14Ng/J maximum as required by the South

Coast Air Quality Management District and the San Joaquin

Valley Air Pollution Control District, both in the State of Cali-

fornia, and is intended for installation in those districts

only.

This unit has a control system that compensates for certain

installation and environmental conditions. This unit must:

• Be properly installed, operated, and maintained per

the instructions.

• Be serviced only by properly trained service

technicians.

Units that are not installed, maintained, or operated prop-

erly may result in “noisy” operation during the heating cycle.

If this unit is making unusual or objectionable noises dur-

ing the heating cycle, turn the heat off at the thermostat

and contact a qualified service organization right away.

OMBUSTION A IR PIPE ............................................12

DIRECT VENT INSTALLATIONS ....................................12

NON-DIRECT VENT INSTALLATIONS ...............................13

ALTERNATE VENT/FLUE LOCATION .................................13

ALTERNATE COMBUSTION AIR PROVISION ..........................13

NON-DIRECT VENT (SINGLE PIPE) PIPING ........................13

VENT/FLUE PIPE LENGTHS AND DIAMETERS ......................14

MAXIMUM ALLOWABLE VENT LENGTH OF VENT/FLUE PIPE &

OMBUSTION AIR PIPE (FT) ....................................14

VENT/FLUE PIPE TERMINATIONS.................................14

DIRECT VENT (DUAL PIPE) PIPING ..............................16

VENT/FLUE COMBUSTION A IR PIPE LENGTHS & DIAMETERS ........16

VENT/FLUE AND COMBUSTION AIR PIPE TERMINATIONS ............16

VENT/INTAKE TERMINATIONS FOR INSTALLATIONS OF MULTIPLE DIRECT

VENT FURNACES ...............................................17

CONCENTRIC VENT TERMINATION .................................17

SIDE WALL VENT KIT ..........................................17

CONDENSATE DRAIN LINES & DRAIN TRAP ..........................17

GENERAL DRAIN INFORMATION ...................................18

FIELD SUPPLIED DRAIN .........................................18

UPFLOW MODEL INSTALLED VERTICALLY ..........................18

DRAIN EXITING RIGHT SIDE .....................................19

DRAIN EXITING LEFT SIDE ......................................19

UPFLOW MODEL INSTALLED HORIZONTALLY W/ RIGHT SIDE DOWN .19

UPFLOW MODEL INSTALLED HORIZONTALLY W/ LEFT SIDE DOWN . 19

UPFLOW MODEL INSTALLED HORIZONTALLY W/ LEFT SIDE DOWN -

ALTERNATE ....................................................20

ELECTRICAL CONNECTIONS .........................................20

WIRING HARNESS ..............................................20

115 VOLT LINE CONNECTIONS OF ACCESSORIES

(HUMIDIFIER AND ELECTRONIC A IR CLEANER) .....................21

JUNCTION BOX RELOCATION .....................................21

24 VOLT THERMOSTAT WIRING ..................................22

SINGLE-STAGE HEATING THERMOSTAT A PPLICATION ................22

FOSSIL FUEL A PPLICATIONS ......................................22

GAS SUPPLY AND PIPING .......................................22

HIGH ALTITUDE DERATE ........................................22

GAS VALVE ...................................................22

GAS PIPING CONNECTIONS ......................................23

GAS PIPING CHECKS ...........................................24

CIRCULATING AIR & FILTERS .......................................24

DUCT WORK - AIR FLOW .......................................24

CHECKING DUCT STATIC ........................................25

BOTTOM RETURN AIR OPENING [UPFLOW MODELS]...............25

FILTERS - READ THIS SECTION BEFORE INSTALLING

THE RETURN A IR DUCT WORK ...............................26

HORIZONTAL INSTALLATIONS .....................................27

STARTUP PROCEDURE & ADJUSTMENT ..............................27

DRAIN TRAP PRIMING ..........................................27

FURNACE OPERATION ...........................................27

FURNACE STARTUP .............................................27

FURNACE SHUTDOWN ..........................................27

GAS SUPPLY PRESSURE MEASUREMENT ...........................27

GAS PRESSURE TEST ...........................................27

GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT ........28

GAS INPUT RATE MEASUREMENT (NATURAL GAS ONLY) ...........29

TEMPERATURE RISE ............................................29

CIRCULATOR BLOWER SPEEDS ...................................29

BLOWER SPEED ADJUSTMENT ...................................30

LOWER HEAT OFF DELAY TIMINGS .............................30

NORMAL SEQUENCE OF OPERATION .................................30

POWER UP ...................................................30

HEATING MODE ...............................................30

COOLING MODE ...............................................30

FAN ONLY MODE .............................................30

OPERATIONAL CHECKS ............................................31

SAFETY CIRCUIT DESCRIPTION ......................................31

NTEGRATED CONTROL MODULE .................................31

PRIMARY LIMIT .................................................31

AUXILIARY LIMIT ...............................................31

BURNER TEMPERATURE SWITCH ..................................31

PRESSURE SENSOR .............................................31

PRESSURE SWITCHES ...........................................31

FLAME SENSOR ................................................31

TROUBLESHOOTING ...............................................31

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ...................31

DIAGNOSTIC CHART ............................................32

FAULT CODE RETRIEVAL ........................................32

CLEAR FAULT MEMORY .........................................32

RESETTING FROM LOCKOUT .....................................32

MAINTENANCE ...................................................32

ANNUAL INSPECTION ...........................................32

FILTERS .......................................................32

FILTERS MAINTENANCE ..........................................32

FILTER REMOVAL ..............................................32

HORIZONTIAL UNIT FILTER REMOVAL .............................33

MEDIA AIR FILTER OR ELECTRONIC A IR CLEANER REMOVAL .........33

BURNER ......................................................33

INDUCED DRAFT AND CIRCULATOR BLOWERS ......................33

CONDENSATE TRAP AND DRAIN SYSTEM (QUALIFIED SERVICER ONLY)33

FLAME SENSOR (QUALIFIED SERVICER ONLY) .....................33

FLUE PASSAGES (QUALIFIED SERVICER ONLY).....................33

BEFORE LEAVING AN INSTALLATION .................................33

REPAIR AND REPLACEMENT PARTS ..................................33

TROUBLESHOOTING CHART ........................................34

AIRFLOW *MES96*** ...........................................37

WIRING DIAGRAM *MES96***....................................38