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Table of Contents
SAFETY PRECAUTIONS ................................................................................................................................. 4
ADDITIONAL SAFETY CONSIDERATIONS ...................................................................................................... 5
S
HIPPING INSPECTION ........................................................................................................................... 5
E
LECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ..................................................................................... 5
TO THE INSTALLER .............................................................................................................................. 5
IMPORTANT NOTE TO THE OWNER REGARDING PRODUCT WARRANTY ............................................................... 5
PRODUCT DESCRIPTION ............................................................................................................................... 6
FEATURES .......................................................................................................................................... 6
PRODUCT APPLICATION ............................................................................................................................... 6
LOCATION REQUIREMENTS AND CONSIDERATIONS ................................................................................................ 7
C
LEARANCES AND ACCESSIBILITY ............................................................................................................ 8
H
ORIZONTAL INSTALLATION (*MVC8 MODELS ONLY).................................................................................. 8
FURNACE SUSPENSION .......................................................................................................................... 8
EXISTING FURNACE REMOVAL ................................................................................................................ 8
THERMOSTAT LOCATION ........................................................................................................................ 9
COMBUSTION AND VENTILATION AIR REQUIREMENTS ............................................................................................ 9
CATEGORY I VENTING (VERTICAL VENTING) ...................................................................................................... 9
EXTERIOR MASONRY CHIMNEYS (CATEGORY I FURNACES ONLY)......................................................................... 10
CHECKLIST SUMMARY .........................................................................................................................11
CHECK 1 - PROPER CHIMNEY TERMINATION. ..............................................................................................11
CHECK 2 - ANY SOLID OR LIQUID FUEL APPLIANCES VENTED INTO THIS CHIMNEY CHANNEL ...................................... 12
CHECK 3 - CHIMNEY CROWN CONDITION................................................................................................. 12
CHECK 4 - DEBRIS IN CLEANOUT .......................................................................................................... 12
CHECK 5 - LINER CONDITION................................................................................................................ 12
CHECK 6 - DILUTION AIR. ................................................................................................................... 13
CHECK 7 - COMPLETE THE INSTALLATION. ............................................................................................... 13
FIX 1 - LINER TERMINATION ................................................................................................................. 13
FIX 2 -CHANGE VENTING ARRANGEMENTS ............................................................................................... 13
FIX 3 - REBUILD THE CROWN ............................................................................................................... 13
FIX 4 - RELINING .............................................................................................................................. 14
ELECTRICAL CONNECTIONS ........................................................................................................................ 14
WIRING HARNESS .............................................................................................................................. 15
115 VOLT LINE CONNECTIONS ............................................................................................................. 15
JUNCTION BOX RELOCATION ................................................................................................................ 15
24 VOLT THERMOSTAT WIRING ............................................................................................................ 16
SINGLE-STAGE THERMOSTAT APPLICATION .............................................................................................. 16
24 VOLT DEHUMIDISTAT WIRING ........................................................................................................... 17
FOSSIL FUEL APPLICATIONS ................................................................................................................ 17
115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER AND ELECTRONIC AIR CLEANER) ............................. 17
24 VOLT HUMIDIFIER ......................................................................................................................... 18
GAS SUPPLY AND PIPING ........................................................................................................................... 18
HIGH ALTITUDE DERATE ...................................................................................................................... 18
PROPANE GAS CONVERSION ................................................................................................................ 18
GAS PIPING CONNECTIONS .................................................................................................................. 18
UPFLOW INSTALLATIONS ..................................................................................................................... 19
COUNTERFLOW INSTALLATIONS.............................................................................................................. 20
GAS PIPING CHECKS ......................................................................................................................... 20
PROPANE GAS TANKS AND PIPING ......................................................................................................... 20
CIRCULATING AIR AND FILTERS .................................................................................................................... 21
FILTERS - READ THIS SECTION BEFORE INSTALLING THE RETURN AIR DUCTWORK ............................................ 21
UPRIGHT INSTALLATIONS ..................................................................................................................... 21