Thermo Products CMA2-75N Ii. Furnace Specifications - Cma Series, Model, Gas Supply Pressure

All installations and services must be performed by qualified service personnel.

II. FURNACE SPECIFICATIONS - CMA SERIES

MODEL	CMA1-50				CMA2-75
INPUT IN BTUH	50,000				75,000
OUTPUT IN BTUH	48,000		#42		72,000
MAIN ORIFICE-NAT.
MAIN ORIFICE-LP			1.5 mm
GAS SUPPLY PRESSURE		11” IN.W.C.
L.P. MINIMUM
NAT. MINIMUM		4.5”IN.W.C.
L.P. MAXIMUM		14” IN.W.C.
NAT. MAXIMUM		14” IN.W.C.
GAS MANIFOLD PRESSURE		10.0” + .03 IN.W.C.
L.P.
NAT.		3.5” + .03 IN. W.C.
INTAKE SIZE IN INCHES			2”
VENT SIZE IN INCHES			2”
NOMINAL TEMPERATURE RISE			55°F
SEASONAL EFFICIENCY (AFUE*)			95%
*ANNUAL FUEL UTILIZATION EFFICIENCY
DIMENSIONS	WIDTH 18” DEPTH 25-3/4" HEIGHT 57"
CABINET SIZE
SUPPLY AIR OUTLET		WIDTH 12” DEPTH 12"
ELECTRICAL SUPPLY		115 VOLTS-- 60HZ --1/PH
FUSE OR HACR BREAKER			15 AMPS
TOTAL CURRENT AMPS		7.15 AMPS
NOMINAL ANTICIPATOR SETTING		0.8 MILLIAMPS
FILTER SIZE		(1) 18” X 24” X 1”
APPROXIMATE SHIPPING WEIGHT			175 LBS.
BLOWER DATA		12-9T DIRECT DRIVE
BLOWER MODEL
MOTOR HORSEPOWER			1/2
MOTOR RPM		1065 (HIGH SPEED)
CFM @ .2 & .5 IN. W.C. SPEED	.2”	.5”		.2”	.5”
LOW	805	695		797	668
MD-LOW	1010	860		995	869
MD-HIGH	1196	1038		1210	1076
HIGH	1338	1162		1420	1259

FOR BURNER COMBUSTION INFORMATION REFER TO INITIAL STARTUP.

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