Goodman GMH8 - Page 3

3
WARNING
IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
–
D
O NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
–
WHAT TO DO IF YOU SMELL GAS:
•
D
O NOT TRY TO LIGHT ANY APPLIANCE.
•
D
O NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY
PHONE IN YOUR BUILDING.
•
IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR’S
PHONE.
F
OLLOW THE GAS SUPPLIER’S INSTRUCTIONS.
•
I
F YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE
DEPARTMENT.
–
INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
Table of Contents
XII. START-UP PROCEDURE AND ADJUSTMENT ............................................................................................................ 22
FURNACE OPERATION ...................................................................................................................................................... 22
FURNACE START-UP ....................................................................................................................................................... 22
FURNACE SHUTDOWN .................................................................................................................................................... 22
GAS SUPPLY PRESSURE MEASUREMENT ............................................................................................................................ 23
WHITE-RODGERS 36G54 GAS VALVE ............................................................................................................................... 23
GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT ................................................................................................ 23
GAS INPUT RAT E MEASUREMENT (NATURAL GAS ONLY) ......................................................................................................... 24
TEMPERATURE RISE ........................................................................................................................................................ 24
CIRCULATOR BLOWER SPEED ADJUSTMENT ........................................................................................................................ 25
CIRCULATOR BLOWER FAN TIMING ADJUSTMENT ................................................................................................................. 25
XIII. OPERATIONAL CHECKS ........................................................................................................................................... 25
BURNER FLAME ............................................................................................................................................................ 25
AUXILIARY LIMIT CONTROL .............................................................................................................................................. 25
XIV. SAFETY CIRCUIT DESCRIPTION .............................................................................................................................. 26
GENERAL ..................................................................................................................................................................... 26
INTEGRATED CONTROL MODULE ....................................................................................................................................... 26
PRIMARY LIMIT .............................................................................................................................................................. 26
AUXILIARY LIMIT ............................................................................................................................................................ 26
ROLLOUT LIMITS ........................................................................................................................................................... 26
PRESSURE SWITCHES .................................................................................................................................................... 26
FLAME SENSOR ............................................................................................................................................................. 26
XV. TROUBLESHOOTING.................................................................................................................................................. 26
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ............................................................................................................... 26
DIAGNOSTIC CHART ........................................................................................................................................................ 26
FAULT RECALL .............................................................................................................................................................. 26
RESETTING FROM LOCKOUT ............................................................................................................................................ 26
XVI. MAINTENANCE .......................................................................................................................................................... 27
ANNUAL INSPECTION ...................................................................................................................................................... 27
FILTERS ....................................................................................................................................................................... 27
FILTER MAINTENANCE ..................................................................................................................................................... 27
FILTER REMOVAL ........................................................................................................................................................... 27
UPRIGHT FILTER REMOVAL .............................................................................................................................................. 27
INDUCED DRAFT AND CIRCULATOR BLOWER MOTORS........................................................................................................... 27
FLAME SENSOR (QUALIFIED SERVICER ONLY) .................................................................................................................... 27
IGNITER (QUALIFIED SERVICER ONLY)...............................................................................................................................27
BURNERS .................................................................................................................................................................... 28
XVII. BEFORE LEAVING AN INSTALLATION .................................................................................................................... 28
XVIII. REPAIR AND REPLACEMENT PARTS .................................................................................................................... 28
TROUBLESHOOTING CHART ......................................................................................................................................... 29-30
WIRING DIAGRAM .......................................................................................................................................................... 31