Carrier 48TJE008-014 User Manual Page 5

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Physical data 48TJ008-014 (SI)
UNIT SIZE D/E/F008 D/E/F012 D/E014
NOMINAL CAPACITY (kW) 21.5 29.2 35.9
OPERATING WEIGHT (kg)
Unit 395 469 476
Economizer (Durablade) 20 20 20
Roof Curb* 65 65 65
COMPRESSOR Hermetic
Quantity 222
Oil (ml) 1479 ea 1479 ea 1922 ea
REFRIGERANT TYPE R-22
Operating Charge (kg)
Circuit 1 2.10 2.49 4.22
Circuit 2 2.13 2.55 3.90
CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/m 1...669 2...669 2...669
Total Face Area (sq m) 1.90 1.62 2.30
CONDENSER FAN Propeller Type
Nominal L/s 2880 3050 3050
Quantity...Diameter (mm) 2...559 2...559 2...559
Motor BkW...r/s .19...15.5 .19...15.5 .19...15.5
EVAPORATOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Feed Device
Rows...Fins/m 3...590 3...590 4...590
Total Face Area (sq m) 0.74 0.93 1.03
EVAPORATOR FAN Centrifugal Type
Quantity...Size (mm x mm) 1...381 x 381 1...381 x 381 1...381 x 381
Type Drive Belt Belt Belt
Nominal L/s 1230 1700 1980
Motor kW 1.12 1.50 2.24
Maximum Continuous BkW 1.79 1.79 2.76
Motor Frame Size 56 56 56
Fan r/s Range 8.2-11.7 9.5-13.0 12.0-15.0
Motor Bearing Type Ball Ball Ball
Maximum Allowable r/s 26.7 26.7 26.7
Motor Pulley Pitch Diameter Min/Max (mm) 61/86 86/112 102/127
Nominal Motor Shaft Diameter (mm) 16 16 22
Fan Pulley Pitch Diameter (mm) 140 178 203
Nominal Fan Shaft Diameter (mm) 25 25 25
Belt, Quantity...Type...Length (mm) 1...A...1219 1...A...1219 1...A...1448
Pulley Center Line Distance (mm) 406 495 495
Speed Change per Full Turn of
Movable Pulley Flange (r/s)
.70 .70 .60
Movable Pulley Maximum Full Turns
From Closed Position
555
Factory Setting 555
Factory Speed Setting (r/s) 8.2 9.5 12.0
Fan Shaft Diameter at Pulley (mm) 25 25 25
FURNACE SECTION
Rollout Switch Cutout (Temp C) 90.6 90.6 90.6
Burner Orifice Diameter (mm)
Natural Gas Std 3.05 3.05 3.05
Liquid Propane Alt 2.44 2.44 2.44
Thermostat Heat Anticipator Setting (amps)
400 v Stage 1 .14 .14 .14
Stage 2 .20 .20 .20
Gas Input (kW) Stage 1 21.1/31.9/39.8 31.9/39.8/43.9 39.8/43.9
Stage 2 31.4/50.4/59.8 50.4/59.8/65.6 59.8/65.6
Efficiency (Steady State) (%) 82/80/80 80/80/80 80/80
Temperature Rise Range (C) -6-10/2-18/7-24 2-18/7-24/4-21 7-24/4-21
Manifold Pressure (kPa)
Natural Gas Std 8.3 8.3 8.3
Liquid Propane Alt 8.3 8.3 8.3
Field Gas Connection Size (NPT) .50/.75/.75 .75/.75/.75 .75/.75
HIGH-PRESSURE SWITCH (kPa)†
Standard Compressor Internal Relief
(Differential)
3103 ± 345 3448 ± 345
Cutout 2951
Reset (Auto.) 2206
LOW-PRESSURE SWITCH (kPa)†
Cutout 48±21
Reset (Auto.) 152±48
FREEZE PROTECTION THERMOSTAT†
Opens (C) −1
Closes (C) 7
OUTDOOR-AIR INLET SCREENS Cleanable
Quantity...Size (mm)
1...508 x 635 x 25
1...406 x 635 x 25
RETURN-AIR FILTERS Throwaway
Quantity...Size (mm) 4...406 x 508 x 51 4...508 x 508 x 51 4...508 x 508 x 51
LEGEND
Bhp Brake Horsepower
BkW Fan Input Watts x Motor Efficiency
*Weight of 356 mm (14-in.) roof curb.
†Requires the accessory/optional controls upgrade kit.
NOTE: The 48TJ units have a loss-of-charge/low-pressure switch (option or
accessory) located in the liquid line.
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