GCSS96 Installation Manual

2
DRAIN EXITING RIGHT SIDE ..................................... 19
DRAIN EXITING LEFT SIDE ...................................... 20
UPFLOW MODEL INSTALLED HORIZONTALLY WITH RIGHT SIDE DOWN 20
UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE DOWN .21
UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE DOWN -
ALTERNATE .................................................... 21
COUNTERFLOW MODEL INSTALLED VERTICALLY .................... 22
DRAIN EXITING LEFT SIDE (SEE FIGURE 26) ..................... 22
DRAIN EXITING RIGHT SIDE (SEE FIGURE 27) .................... 22
COUNTERFLOW MODEL INSTALLED HORIZONTALLY WITH RIGHT SIDE
DOWN (SEE FIGURE 28) ...................................... 23
COUNTERFLOW MODEL INSTALLED HORIZONTALLY
WITH
LEFT SIDE DOWN ..................................... 23
ELECTRICAL CONNECTIONS ......................................... 24
WIRING HARNESS .............................................. 24
115 VOLT LINE CONNECTIONS .................................. 24
JUNCTION BOX RELOCATION ..................................... 25
24 VOLT THERMOSTAT WIRING .................................. 25
SINGLE-STAGE HEATING THERMOSTAT A PPLICATION ................ 25
FOSSIL FUEL APPLICATIONS ...................................... 25
TWINNING .................................................... 26
GAS SUPPLY AND PIPING .......................................... 26
HIGH A LTITUDE DERATE ........................................ 27
PROPANE GAS CONVERSION ..................................... 27
GAS PIPING CONNECTIONS ...................................... 27
PROPANE GAS T ANKS AND PIPING ............................... 29
CIRCULATING AIR & FILTERS ....................................... 30
DUCT WORK - AIR FLOW ....................................... 30
CHECKING DUCT STATIC ........................................ 30
BOTTOM RETURN AIR OPENING [UPFLOW MODELS] ............... 31
FILTERS - READ THIS SECTION BEFORE INSTALLING
THE RETURN A IR DUCT WORK ...............................31
HORIZONTAL INSTALLATIONS ..................................... 32
STARTUP PROCEDURE & ADJUSTMENT .............................. 32
DRAIN TRAP PRIMING .......................................... 32
FURNACE OPERATION ........................................... 32
GAS SUPPLY PRESSURE MEASUREMENT ........................... 33
GAS MANIFOLD PRESSURE MEASUREMENT AND A DJUSTMENT ........ 34
GAS INPUT RATE MEASUREMENT (NATURAL GAS ONLY) ........... 34
TEMPERATURE RISE ............................................ 34
CIRCULATOR BLOWER SPEEDS ................................... 35
BLOWER HEAT OFF DELAY TIMINGS ............................. 35
NORMAL SEQUENCE OF OPERATION ................................. 35
POWER UP ................................................... 35
HEATING MODE ............................................... 35
COOLING MODE ............................................... 35
FAN ONLY MODE ............................................. 36
OPERATIONAL CHECKS ............................................ 36
SAFETY CIRCUIT DESCRIPTION ...................................... 36
INTEGRATED CONTROL MODULE ................................. 36
PRIMARY LIMIT ................................................. 36
AUXILIARY LIMIT ............................................... 36
ROLLOUT LIMIT ............................................... 36
PRESSURE SWITCHES ........................................... 36
FLAME SENSOR ................................................ 36
TROUBLESHOOTING ............................................... 36
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................... 36
DIAGNOSTIC CHART ............................................ 37
RESETTING FROM LOCKOUT ..................................... 37
MAINTENANCE ................................................... 37
ANNUAL INSPECTION ........................................... 37
FILTERS ....................................................... 37
BURNERS ..................................................... 38
INDUCED DRAFT AND CIRCULATOR BLOWERS ...................... 38
CONDENSATE TRAP AND DRAIN SYSTEM (QUALIFIED SERVICER ONLY)38
FLAME SENSOR (QUALIFIED SERVICER ONLY) ..................... 38
FLUE PASSAGES (QUALIFIED SERVICER ONLY) ..................... 38
BEFORE LEAVING AN INSTALLATION ................................. 38
REPAIR AND REPLACEMENT PARTS .................................. 38
TROUBLESHOOTING CHART ........................................ 39
TROUBLESHOOTING CHART ........................................ 40
AIRFLOW .................................................... 41-42
*MSS92*** & *CSS92***A* .................................. 41
*MSS96*** & *CSS96***A* .................................. 42
WIRING DIAGRAM ................................................ 43
*MSS92*** & *CSS92***A* ............................... 43
WIRING DIAGRAM ................................................ 44
*MSS96*** & *CSS96***A*
(WITH PCBBF138 CONTROL) .......................... 44
WIRING DIAGRAM ................................................ 45
*MSS96*** & *CSS96***A*
(WITH PCBBF140 CONTROL) .......................... 45
SPECIAL INSTRUCTIONS FOR PRODUCTS INSTALLED
IN
THE STAT E OF MASSACHUSETTS ............................... 47