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Report (102) rc\z..c_%_. vVT'_ 1s2\ Table 1B-Physical Data(English) UNIT SIZE 48TF 008 012 014 Low Heat(D),Medium Heat(E),High Heat(F) DIEIF DIEIF D I E NOMINAL CAPACITY(tons) 6.1 8.3 10.2 OPERATING WEIGHT(Ib) Unit 870 1035 1050 Durablade Economizer 44 44 44 EconoMI$er 62 62 62 Roof Curb' 143 143 143 COMPRESSOR TYPE Hermetic Hermetic Scroll Quantity 2 2 2 Oil(oz) 50 ea 50 ea 54 ea REFRIGERANT TYPE R-22 Operating Charge(lb-oz) Circuit 1 4-10 6-13 7-11 Circuit 2 4-11 7- 2 7- 8 CONDENSER COIL Enhanced Copper Tubes,Aluminum Lanced Fins Rows...Fins/in. 1...17 2...17 2...17 Total Face Area(sq ft) 20.50 20.50 25.00 CONDENSER FAN Propeller Type Nominal Cfm 6100 6500 ( 6500 Quantity. Diameter(in.) 2...22 2...22 2...22 Motor BkW...Rpm 1/4...930 1/4...930 1/4...930 EVAPORATOR COIL Enhanced Copper Tubes,Aluminum Double-Wavy Fins,AcutrolTM Feed Device Rows...Fins/in. 3...15 3...15 4...15 Total Face Area(sq ft) 8.0 10.0 11.1 EVAPORATOR FAN Centrifugal Type Quantity...Size(in.) 1...15 x 15 1...15 x 15 1...15 x 15 Type Drive Belt Belt Belt Nominal Cfm 2600 3500 4200 Motor Hp 11/2 2 3 Maximum Continuous Bhp 2.40 2.40 3.70 Motor Frame Size 56 56 56 Fan Rpm Range 492-700 571-779 717-900 Motor Bearing Type Ball Ball Ball Maximum Allowable Rpm 1600 1600 1600 Motor Pulley Pitch Diameter Min/Max(In.) 2.4/3.4 2.8/3.8 4.0/5.0 Nominal Motor Shaft Diameter(in.) 5/e 5/3 7/e Fan Pulley Pitch Diameter(in.) 7.0 7.0 8.0 Nominal Fan Shaft Diameter(in.) - - - Belt,Quantity...Type...Length(in.) 1...A...49 1...A...49 1...A...53 Pulley Center Line Distance(in.) 16.75-19.25 15.85-17.50 15.85-17.50 Speed Change per Full Turn of 41 41 36 Movable Pulley Flange(rpm) Movable Pulley Maximum Full Turns 5 5 5 From Closed Position Factory Setting 5 5 5 Factory Speed Setting(rpm) 492 571 717 Fan Shaft Diameter at Pulley(in.) 1 1 1 FURNACE SECTION Rollout Switch Cutout Temp(F) 195 195 195 Burner Orifice Diameter(in. ...drill size) s Liquid Proapane-Alt 096...41 096...41 I 096...41 I .102...38 .96...41 I .102...38 Thermostat Heat Anticipator Setting(amps) 400 v Stage 1 .14 .14 .14 .14 .14 Stage 2 .14 .20 .20 .20 .20 Gas Input(Btuh) Stage 1 72,000 109,000 136,000 109,000136,000 150,000 136,000 150,000 ' 107,000 172,000 204,000 172,000 I 204,000 I 224,000 204,000 224,000 Efficiency(Steady State)(%) 80 80 Temperature Rise Range(F) 20-50 I 35-65 45-75 35-65 I 45-75 I 40-70 45-75 I 40-70 Manifold Pressure(in.wg) Natural Gas -Std 3.5 3.5 3.5 Liquid Propane -Alt 3.5 3.5 3.5 Field Gas Connection Size(in.) 1/2 ( 3/4 3/4 3/4 3/4 HIGH-PRESSURE SWITCH(psig) Standard Compressor Internal Relief(Differential) 450 3 50 500 t 50 Cutout 428 Reset(Auto.) 320 LOW-PRESSURE SWITCH(psig) Cutout 7±3 Reset(Auto.) 22±7 FREEZE PROTECTION THERMOSTAT Opens(F) 30±5 Closes(F) 45±5 OUTDOOR-AIR INLET SCREENS Cleanable Quantity...Size(in.) 1...20 x25 x1 1...16x25x1 RETURN-AIR FILTERS Throwaway Quantity...Size(in.) 4...16 x 20 x 2 I 4..20 x 20 x 2 I 4...20 x 20 x 2 LEGEND 'Weight of 356 mm(14-in.)roof curb. Bhp - Brake Horsepower pressure)NOTE:The 48TF units have a loss-of-charge(low switch located in BkW- Fan Input Watts x Motor Efficiency 9 p ) the liquid line. 4 s 6