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Table of Contents
I. Component Identification ............................................................................................................................................... 5
II. Safety .............................................................................................................................................................................. 6
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................................................................................................... 6
III. Product Application ...................................................................................................................................................... 6
IV. Location Requirements & Considerations................................................................................................................. 7
GENERAL ......................................................................................................................................................... 7
C
LEARANCES AND ACCESSIBILITY........................................................................................................................... 8
F
URNACE SUSPENSION ........................................................................................................................................ 8
E
XISTING FURNACE REMOVAL .............................................................................................................................. 8
T
HERMOSTAT LOCATION ....................................................................................................................................... 9
V. Combustion & Ventilation Air Requirements ............................................................................................................... 9
VI. Installation Positions ...................................................................................................................................................11
VII. Horizontal Applications & Considerations ................................................................................................................11
GENERAL ........................................................................................................................................................11
D
RAIN TRAP AND LINES .....................................................................................................................................11
L
EVELING ........................................................................................................................................................11
A
LTERNATE VENT/FLUE AND COMBUSTION AIR CONNECTIONS .....................................................................................11
A
LTERNATE ELECTRICAL AND GAS LINE CONNECTIONS ............................................................................................ 12
D
RAIN PAN ..................................................................................................................................................... 12
F
REEZE PROTECTION ........................................................................................................................................ 12
F
URNACE SUSPENSION ...................................................................................................................................... 12
VIII. Propane Gas /High Altitude Installations ............................................................................................................... 12
IX. Vent/Flue Pipe & Combustion Air Pipe ..................................................................................................................... 12
GENERAL ....................................................................................................................................................... 12
D
UAL CERTIFICATION: NON-DIRECT/DIRECT VENT ................................................................................................... 13
M
ATERIALS AND JOINING METHODS ..................................................................................................................... 13
P
ROPER VENT/FLUE AND COMBUSTION AIR PIPING PRACTICES ................................................................................. 13
T
ERMINATION LOCATIONS ................................................................................................................................... 13
C
ANADIAN VENTING REQUIREMENTS ..................................................................................................................... 14
S
TANDARD FURNACE CONNECTIONS ..................................................................................................................... 14
A
LTERNATE FURNACE CONNECTIONS ..................................................................................................................... 14
N
ON-DIRECT VENT (SINGLE PIPE) PIPING ............................................................................................................ 15
D
IRECT VENT (DUAL PIPE) PIPING ...................................................................................................................... 16
V
ENT/INTAKE TERMINATIONS FOR INSTALLATION OF MULTIPLE DIRECT VENT FURNACES .................................................. 18
C
ONCENTRIC VENT TERMINATION ......................................................................................................................... 18
X. Condensate Drain Lines & Drain Trap ........................................................................................................................ 18
GENERAL ....................................................................................................................................................... 18
U
PRIGHT INSTALLATIONS ..................................................................................................................................... 18
H
ORIZONTAL INSTALLATIONS ................................................................................................................................19
XI. Electrical Connections ................................................................................................................................................ 21
WIRING HARNESS ............................................................................................................................................ 21
115 V
OLT LINE CONNECTIONS ............................................................................................................................ 21
24 V
OLT THERMOSTAT WIRING ............................................................................................................................ 22
115 V
OLT LINE CONNECTION OF ACCESSORIES (ELECTRONIC AIR CLEANER).............................................................. 22
24 V
OLT HUMIDIFIER ........................................................................................................................................ 22
XII. Gas Supply and Piping.............................................................................................................................................. 22
GENERAL ....................................................................................................................................................... 22
G
AS PIPING CONNECTIONS ................................................................................................................................23
P
ROPANE GAS TANKS AND PIPING...................................................................................................................... 24
XIII. Circulating Air & Filters ............................................................................................................................................ 25
DUCTWORK - AIR FLOW ..................................................................................................................................... 25
B
OTTOM RETURN AIR OPERNING [UPFLOW MODELS] ............................................................................................. 26
F
ILTERS - READ THIS SECTION BEFORE INSTALLING THE RETURN AIR DUCTWORK ....................................................... 26
U
PRIGHT INSTALLATIONS ..................................................................................................................................... 26
H
ORIZONTAL INSTALLATIONS ................................................................................................................................26
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