3
115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER AND ELECTRONIC AIR CLEANER) ............................. 29
24 VOLT HUMIDIFIER ......................................................................................................................... 30
GAS SUPPLY AND PIPING ......................................................................................................................... 30
H
IGH A LTITUDE DERATE ...................................................................................................................... 30
P
ROPANE GAS CONVERSION ................................................................................................................ 30
GAS PIPING CONNECTIONS .................................................................................................................. 31
PROPANE GAS TANKS AND PIPING......................................................................................................... 33
CIRCULATING AIR & FILTERS .................................................................................................................... 35
D
UCT WORK - AIR FLOW ..................................................................................................................... 35
B
OTTOM RETURN AIR OPENING [UPFLOW MODELS] .................................................................................. 35
FILTERS - READ THIS SECTION BEFORE INSTALLING THE RETURN AIR DUCT WORK ........................................... 35
UPRIGHT INSTALLATIONS ..................................................................................................................... 36
HORIZONTAL INSTALLATIONS ................................................................................................................ 36
STARTUP PROCEDURE & ADJUSTMENT ....................................................................................................... 36
HEAT ANTICIPATOR SETTING ................................................................................................................ 37
DRAIN TRAP PRIMING ........................................................................................................................ 37
FURNACE OPERATION ......................................................................................................................... 37
GAS SUPPLY PRESSURE MEASUREMENT .................................................................................................. 37
GAS MANIFOLD PRESSURE MEASUREMENT AND A DJUSTMENT ....................................................................... 38
GAS INPUT RATE MEASUREMENT (NATURAL GAS ONLY) ............................................................................ 39
TEMPERATURE RISE ........................................................................................................................... 39
CIRCULATOR BLOWER SPEEDS ............................................................................................................. 40
BLOWER HEAT OFF DELAY TIMINGS ...................................................................................................... 42
COMFORTNET™ SYSTEM........................................................................................................................ 42
OVERVIEW ....................................................................................................................................... 42
CTK01AA WIRING .......................................................................................................................... 42
COMFORTNET SYSTEM ADVANCED FEATURES .......................................................................................... 43
NETWORK TROUBLESHOOTING ................................................................................................................ 46
SYSTEM TROUBLESHOOTING ................................................................................................................. 47
NORMAL SEQUENCE OF OPERATION ........................................................................................................... 47
POWER UP ...................................................................................................................................... 47
HEATING MODE ................................................................................................................................. 48
COOLING MODE ................................................................................................................................48
FAN ONLY MODE .............................................................................................................................. 48
OPERATIONAL CHECKS ............................................................................................................................ 49
SAFETY CIRCUIT DESCRIPTION .................................................................................................................. 49
INTEGRATED CONTROL MODULE ............................................................................................................. 49
PRIMARY LIMIT ................................................................................................................................49
AUXILIARY LIMIT ............................................................................................................................... 49
ROLLOUT LIMIT................................................................................................................................49
PRESSURE SWITCHES ......................................................................................................................... 49
FLAME SENSOR ................................................................................................................................49
TROUBLESHOOTING ................................................................................................................................. 49
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................................................................................... 49
DIAGNOSTIC CHART........................................................................................................................... 50
RESETTING FROM LOCKOUT ................................................................................................................ 50
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