Furnace
A DIVISION OF CROWN BOILER CO.
90% Plus Gas Furnace
Upflow and
Downflow/Horizontal Series
80% Plus Multi-Position
Gas Furnace
CROWN Furnaces give you performance and versatility.
Just see for yourself:
Four Speed Permanent Guaranteed. Heat
Split Capacitor Blower exchanger is covered by a full
Motor. Provides quiet comfort 20-year limited warranty. All
to meet individual heating and other parts are warranted for 5
cooling needs throughout your years.†
home.*
Computer-Designed,
Honeywell Control Corrosion Resistant,
Module. Monitors all furnace No-Weld, Tubular
functions for efficient operation. Heat Exchanger with
Includes self-diagnostics that AL 29-4c Stainless
simplify servicing.* Steel Secondary Heat
Exchanger and Burner
Standard Humidifier Systems. Provide 90%+
†80% Plus Multi-Position
Gas Furnace and Electric Air heating efficiency. The primary
Cleaner Terminals. and secondary heat exchangers
Provide quick installation of are covered by a 20- year
add-on equipment.* warranty. All other parts
warranted for five years.‡
Versatile. The industry’s
first multiposition furnace. Indoor/Outdoor
One model fitss any need... Combustion Air Option.
can be installed in an upflow, Allows you to chooses indoor or
downflow or horizontal outdoor combuston air supply.‡
position. And, it can use natural
or pro[ane gas. Available from Low-Profile, 39-5/8”
40,00p to 140,000 BTUH† Design. Compact, zero
clearance design squeezes into
Compact. Fits anywhere. the tightest spaces.‡
Only 31-5/8” tall and 28-
13/16” deep. Perfect for zone
heating. Allows space for
add-on equipment, such as an
air conditioner, electronic air
‡90% Plus Gas Furnace cleaner or humidifier.†
Upflow and
Downflow/Horizontal
Series
*Features found on all Crown Furnaces.
Crown 80% Plus Series
Max. Blower Shipping AFUE
BTUH BTUH (Direct Drive)
MODEL Cooling Weight Rating
(input) (output)
Tons Motor Size (lbs) %
MDA040NI3R 40,000 32,100 3 1/3 10-6 110 80.2
MDA060NI3R 60,000 48,200 3 1/3 10-6 110 80.2
MDA080NI3R 80,000 64,200 3 1/3 10-6 115 80.2
MDA080NI4R 80,000 64,200 4 1/2 10-8 125 80.2
MDA100NI3R 100,000 80,200 3 1/3 10-6 125 80.2
MDA100NI4R 100,000 80,200 4 1/2 10-8 130 80.2
MDA100NI5R 100,000 80,200 5 3/4 Dual 10-4 145 80.2
MDA120NI4R 120,000 96,300 4 1/2 10-8 145 80.2
MDA120NI5R 120,000 96,300 5 3/4 Dual 10-4 150 80.2
MDA140NI5R 140,000 112,300 5 3/4 Dual 10-6 165 80.2
Crown 90% Plus Series Upflow
Max. Blower Shipping AFUE
BTUH BTUH (Direct Drive)
MODEL Cooling Weight Rating
(input) (output)
Tons Motor Size (lbs) %
UCA054NI3R 54,000 49,100 3 1/3 10-6 122 90.9
UCA072NI3R 72,000 65,500 3 1/2 10-8 131 90.9
UCA072NI4R 72,000 65,500 4 3/4 Dual 10-4 141 90.9
UCA090NI3R 90,000 82,000 3 1/2 10-8 145 90.9
UCA090NI4R 90,000 82,000 4 3/4 Dual 10-4 150 90.9
UCA108NI5R 108,000 98,200 5 3/4 Dual 10-6 174 90.9
UCA126NI5R 126,000 114,600 5 3/4 Dual 10-6 193 90.9
Crown 90% Plus Series Downflow/Horizontal
Max. Blower Shipping AFUE
BTUH BTUH (Direct Drive)
MODEL Cooling Weight Rating
(input) (output)
Tons Motor Size (lbs) %
DCA072NI3R 72,000 65,100 3 1/2 10-8 131 90.4
DCA090NI4R 90,000 81,400 4 3/4 Dual 10-4 150 90.4
DCA108NI5R 108,000 97,700 5 3/4 Dual 10-6 174 90.4
DCA126NI5R 126,000 114,000 5 3/4 Dual 10-6 193 90.4
Dimensions
Furnace Plenum Openings (Inches) Vent
Model (Inches) Supply Return (Inches)
D W H W D W D Intake Exhaust
MDA040NI3R 28-13/16 14-1/2 31-5/8 12-15/16 18-15/16 12-3/4 18-29/32 N/A 3
MDA060NI3R 28-13/16 14-1/2 31-5/8 12-15/16 18-15/16 12-3/4 18-29/32 N/A 4
MDA080NI3R 28-13/16 14-1/2 31-5/8 12-15/16 18-15/16 12-3/4 18-29/32 N/A 4
MDA080NI4R 28-13/16 17-1/2 31-5/8 15-15/16 18-15/16 15-3/4 18-29/32 N/A 4
MDA100NI3R 28-13/16 17-1/2 31-5/8 15-15/16 18-15/16 15-3/4 18-29/32 N/A 4
MDA100NI4R 28-13/16 17-1/2 31-5/8 15-15/16 18-15/16 15-3/4 18-29/32 N/A 4
MDA100NI5R 28-13/16 20-1/2 31-5/8 18-15/16 18-15/16 18-3/4 18-29/32 N/A 4
MDA120NI4R 28-13/16 20-1/2 31-5/8 18-15/16 18-15/16 18-3/4 18-29/32 N/A 4
MDA120NI5R 28-13/16 20-1/2 31-5/8 18-15/16 18-15/16 18-3/4 18-29/32 N/A 4
MDA140NI5R 28-13/16 23-1/2 31-5/8 21-15/16 18-15/16 21-3/4 18-29/32 N/A 4
UCA054NI3R 28-13/16 17-1/2 39-5/8 15-15/16 18-15/16 15-3/4 18-7/8 2 2
UCA072NI3R 28-13/16 17-1/2 39-5/8 15-15/16 18-15/16 15-3/4 18-7/8 2 or 3* 2 or 3*
UCA072NI4R 28-13/16 20-1/2 39-5/8 18-15/16 18-15/16 18-3/4 18-7/8 2 or 3* 2 or 3*
UCA090NI3R 28-13/16 17-1/2 39-5/8 15-15/16 18-15/16 15-3/4 18-7/8 2 or 3* 2 or 3*
UCA090NI4R 28-13/16 20-1/2 39-5/8 18-15/16 18-15/16 18-3/4 18-7/8 2 or 3* 2 or 3*
UCA108NI5R 28-13/16 23-1/2 39-5/8 21-15/16 18-15/16 21-3/4 18-7/8 3 3
UCA126NI5R 28-13/16 23-1/2 39-5/8 21-15/16 18-15/16 21-3/4 18-7/8 3 3
DCA072NI3R 28-13/16 17-1/2 39-5/8 15-15/16 18-15/16 15-3/4 18-7/8 2 or 3* 2 or 3*
DCA090NI4R 28-13/16 20-1/2 39-5/8 18-15/16 18-15/16 18-3/4 18-7/8 2 or 3* 2 or 3*
DCA108NI5R 28-13/16 23-1/2 39-5/8 21-15/16 18-15/16 21-3/4 18-7/8 3 3
DCA126NI5R 28-13/16 23-1/2 39-5/8 21-15/16 18-15/16 21-3/4 18-7/8 3 3
*Note* Vent size will depend upon vent length and number of elbows.
Consult installation instructions for details.
MASS
APPROVED
A DIVISION OF CROWN BOILER CO.
Furnace
3633 I Street • P.O. Box 14818 • Philadelphia, PA 19134
(215) 535-8900 • Fax (215) 535-9736 • www.crownboiler.com
PN 980015 • R-1 • 2/08 • 5M
