Ducane Fits-All 92 User manual

FEATURES
92.1% AFUE
Heating input range 50,000-125,000 BTUH
Cooling capacity supported 1 1/2 - 5 ton
Downflow/horizontal right application flexibility
Electronic air cleaner connection (115V)
Humidifier connection (115V)
5 amp fused low voltage circuit protection
Time delay off for air conditioner SEER enhancement
Twinning Compatible
WARRANTY
Limited Lifetime warranty on heat exchanger, 5-years limited
warranty on covered components (see warranty certificate for
details)
HEAT EXCHANGER ASSEMBLY
Crimp-Tite™ crimped aluminized steel primary heat exchanger
for longer life and safe operation
Stainless steel secondary hat exchanger maximizes durability.
VENTING
Category IV appliance
Can be vented horizontally or vertically using 2” or 3”
Schedule 40 PVC, ABS, or CPVC (see installation manual
for details)
Approved for 2-pipe (direct vent) or single-pipe applications
Approved for installations with listed concentric vent kit
CONTROLS
Direct 115V Hot Surface Ignition system with LED diagnostic
for fast, accurate troubleshooting
Slow opening valve for quiet, smooth ignition
Electronic fan timer control
SAFETY
CSA certified for US and Canada
Safety limits prevent overheating
CABINET
Heavy-gauge, insulated cabinet provides strength and quiet comfort
Ducane diagnostic sleeve for fast, safe troubleshooting.
INDOOR AIR BLOWER
Three-speed PSC blower motor
FITS-ALL 92™
Ducane Gas Furnace
DOWNFLOW/HORIZONTAL-RIGHT
THE DIFFERENCE IS QUALITY.
™
WWW.DUCANEHVAC.COM

FITS-ALL 92™
Ducane Gas Furnace
GAS NATURAL (LP WITH CONVERSION KIT)
INPUT RATE (BTU per Hour) 50,000 75,000 100,000 125,000
AFUE (ISOLATED COMB. SYSTEM) 92%
TEMPERATURE RISE 35-65°F 40-70°F
VOLTS/PHASE/HERTZ 115/1/60
STATIC PRESSURE (certified max) 0.50”W.C.
HEATING, AIR FLOW @ .20" STATIC (w/o FILTER) 1060CFM 1280CFM 1690CFM 1940CFM
COOLING, AIR FLOW @ .50" STATIC (w/o FILTER) 1205CFM 1795CFM 2115CFM
BLOWER MOTOR HORSEPOWER 1/3 1/2 3/4
BLOWER WHEEL SIZE (dia x width) 10 X 6 12 X 9 12 X 12
NUMBER OF HEAT EXCHANGERS 2 3 4 5
FLUE AND AIR INLET PIPE–DIAMETER
(schedule 40 PVC, ABS or CPVC used on all) 2” 3”
LIMIT CONTROL, SNAP DISC STYLE 150°F 170°F
GAS VALVE/IGNITION CONTROL INTEGRATED FURNACE CONTROL W/115V HSI SYSTEM
TRANSFORMER 40 VA. 115 VAC PRIMARY, 24 VAC SECONDARY, FOOT-MOUNTED
MAXIMUM OUTLET TEMPERATURE 180°F
SHIPPING WEIGHTS 152 158 187 217
UNIT SPECIFICATIONS
CMPB050C3B CMPB075C3B CMPB100C4B CMPB125C5B
BLOWER EXTERNAL STATIC
MODEL NUMBER SPEED 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
CMPB050C3B LOW 1080 1060 1030 1000 965 905 840 765 655 525
(10 X 6 WHEEL, 1/3 HP MOTOR) MED 1330 1280 1225 1175 1110 1040 965 875 770 630
HIGH 1490 1420 1360 1285 1205 1125 1070 985 880 750
CMPB075C3B LOW 1080 1060 1030 1000 965 905 840 765 655 525
(10 X 6 WHEEL, 1/3 HP MOTOR) MED 1330 1280 1225 1175 1110 1040 965 875 770 630
HIGH 1490 1420 1360 1285 1205 1125 1070 985 880 750
CMPB100C4B LOW 1420 1400 1360 1335 1290 1245 1190 1120 1060 995
(12 X 9 WHEEL., 1/2 HP MOTOR) MED 1715 1690 1665 1610 1550 1480 1400 1320 1245 1145
HIGH 2055 2020 1945 1865 1795 1710 1640 1535 1410 1340
CMPB125C5B LOW 1425 1400 1375 1345 1320 1290 1245 1185 1120 1035
(12 X 12 WHEEL, 3/4 HP MOTOR) MED 1980 1940 1895 1835 1785 1720 1645 1575 1475 1385
HIGH 2395 2340 2275 2210 2115 2025 1925 1825 1720 1610
NOTES:1) Air flow values in cubic feet per minute (CFM), rounded to nearest five (5) CFM
2) Data taken without filters or AC coil in place
AIR FLOW DATA
NOTES: C= Counterflow (CMPB050C3)

MAX VENT LENGTHS FOR COUNTERFLOW
UNIT DIMENSIONS DUCT SUPPLY DUCT RETURN AIR INLET &
LENGTH WIDTH HEIGHT OPENING CUT-OUT VENT PIPE DIA.
MODEL NUMBER ABCDE F G H
CMPB050C3B 29-1/2 13-1/2 47-3/8 11-1/2 18-15/16 12 21-5/8 2
CMPB075C3B 29-1/2 13-1/2 47-3/8 11-1/2 18-15/16 12 21-5/8 2
CMPB100C4B 29-1/2 17 47-3/8 15 18-15/16 15-1/2 21-5/8 3
CMPB125C5B 29-1/2 20-1/2 47-3/8 18-1/2 18-15/16 19 21-5/8 3
* all dimensions in inches
GENERAL LAYOUT
Non-direct Vent (1Pipe) System 60 58 55 53 50
50,000 & 75,000 BTUH
Direct Vent (2 Pipe) System 60 58 55 53 50
50,000 & 75,000 BTUH
APPLICATION Allowable Max Vent Lengths of 2” Dia. PVC, ABS or CPVC SCH 40 PIPE
Number of elbows 1 2 3 4 5
APPLICATION Allowable Max Vent Lengths of 3” Dia. PVC, ABS or CPVC SCH 40 PIPE
Number of elbows 1 2 3 4 5
Non-direct Vent (1Pipe) System 80 76 73 70 65
50,000 & 75,000 BTUH
Direct Vent (2 Pipe) System 80 76 73 70 65
50,000 & 75,000 BTUH
Non-direct Vent (1Pipe) System 65 61 58 55 50
100,000 BTUH
Direct Vent (2 Pipe) System 65 61 58 55 50
100,000 BTUH
Non-direct Vent (1Pipe) System 50 46 43 39 35
125,000 BTUH
Direct Vent (2 Pipe) System 50 46 43 39 35
125,000 BTUH
"E" O.D.
1
"C"
15
23 1/4
"A"
"G"
3/4
7 5/16
"B"
"F"
"D" O.D. AIR INLET
CONNECTIONS *
"H" (AIR INLET DIA.)
SIGHT GLASS
CONDENSATE
DRAIN
(EITHER SIDE)
GAS INLET
(EITHER SIDE)
VENT CONNECTION *
"H" (FLUE DIA.)
THERMOSTAT
CONNECTIONS
(EITHER SIDE)
CONTROL BOX
ACCESS PANEL
ELECTRICAL
CONNECTIONS
(EITHER SIDE)
BLOWER
ACCESS
PANEL
LOUVERED
ACCESS
DOOR
BURNER
ACCESS
PANEL
DOWNFLOW
VENT
EXIT
TOP
VIEW

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO CONTINUOUS PRODUCT REFINEMENTS.
© 2002 EXCEL COMFORT SYSTEMS
FLOOR BASE KIT FOR COUNTERFLOW 20066503 20066503 20066501 20066502
NATURAL TO LP GAS CONVERSION KIT 20490602
LP TO NATURAL GAS CONVERSION KIT 20272002
NATURAL TO LP GAS CONVERSION KIT 20269402
HIGH ALTITUDE
HIGH ALTITUDE PRESSURE
SWITCH KIT 20274505 20274506
FILTER RACK KIT 20069901 20069902
CON. 2" DIA. VENT TERM. KIT 20280901
CON. 3" DIA. VENT TERM. KIT 20280902
20592502 Replaces 20091128
Printed on recycled paper 193400 WP/GA 1/01 50K
www.ducanehvac.com
For more information, contact your local Ducane distributor.
CMPB050C3B CMPB075C3B CMPA100C4B CMPA125C5B
ACCESSORIES
THE DIFFERENCE IS QUALITY.
™
NOTES