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 VALVE ..................................................................................................................................... 31
GAS PIPING CONNECTIONS .................................................................................................................. 31
PROPANE GAS TANKS AND PIPING......................................................................................................... 33
C
IRCULATING AIR & FILTERS .................................................................................................................... 34
D
UCT WORK - AIR FLOW ..................................................................................................................... 34
CHECKING DUCT STATIC ..................................................................................................................... 34
BOTTOM 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 ADJUSTMENT ....................................................................... 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
AIRFLOW CONSIDERATIONS .................................................................................................................. 42
FOSSIL FUEL APPLICATIONS ................................................................................................................ 42
CTK01AA WIRING .......................................................................................................................... 43
COMFORTNET SYSTEM ADVANCED FEATURES .......................................................................................... 44
NETWORK TROUBLESHOOTING................................................................................................................ 46
SYSTEM TROUBLESHOOTING ................................................................................................................. 47
NORMAL SEQUENCE OF OPERATION........................................................................................................... 47
POWER UP ...................................................................................................................................... 47
HEATING MODE ................................................................................................................................. 47
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