7
II. FURNACE SPECIFICATIONS
MODEL
CMA4-50D36
CMA4-75D36
INPUT IN BTUH
50,000
75,000
OUTPUT IN BTUH
48,000
72,000
MAIN ORIFICE-NAT.
#42
MAIN ORIFICE-LP
#54
GAS SUPPLY PRESSURE
L.P. MINIMUM
11” IN.W.C.
NAT. MINIMUM
4.5”IN.W.C.
L.P. MAXIMUM
14” IN.W.C.
NAT. MAXIMUM
14” IN.W.C.
GAS MANIFOLD PRESSURE
L.P.
10.0” + 0.3 IN.W.C.
NAT.
3.5” + 0.3 IN. W.C.
INTAKE SIZE IN INCHES
2”
VENT SIZE IN INCHES
2”
NOMINAL TEMPERATURE RISE
55°F
65°F
SEASONAL EFFICIENCY (AFUE*)
95%
*ANNUAL FUEL UTILIZATION
EFFICIENCY
DIMENSIONS
CABINET SIZE
WIDTH 18” DEPTH 25-3/4" HEIGHT 57"
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.
185 LBS.
BLOWER DATA
BLOWER MODEL
12-9T DIRECT DRIVE
MOTOR HORSEPOWER
1/2 PSC
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.
Summary of Contents for CMA4-50D36N
Page 2: ......
Page 38: ...33 4 BLOWER MOTOR SPEED WIRING Figure 15...
Page 62: ...57 APPENDIX A REPLACEMENT PARTS...
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Page 66: ...61 APPENDIX B WIRING DIAGRAMS...
