Carrier 48TFE008-014 Camper User Manual


 
5
Table 1A — Physical Data (SI)
LEGEND *Weight of 356 mm (14-in.) roof curb.
NOTE: The 48TF units have a loss-of-charge (low pressure) switch located in
the liquid line.
UNIT SIZE 48TF 008 012 014
Low Heat (D), Medium Heat (E), High Heat (F) D E F D E F D E
NOMINAL CAPACITY (kW) 21.5 29.2 35.9
OPERATING WEIGHT (kg)
Unit 395 469 476
Durablade Economizer 20 20 20
EconoMi$er 28 28 28
Roof Curb* 65 65 65
COMPRESSOR TYPE Hermetic Hermetic Scroll
Quantity 222
Oil (ml) 1479 ea 1479 ea 1597 ea
REFRIGERANT TYPE R-22
Operating Charge (kg)
Circuit 1 2.10 3.08 3.49
Circuit 2 2.22 3.22 3.49
CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/m 1...669 2...669 2...669
Total Face Area (sq m) 1.90 1.92 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 71/97 102/127
Nominal Motor Shaft Diameter (mm) 16 16 22
Fan Pulley Pitch Diameter (mm) 178 178 203
Nominal Fan Shaft Diameter (mm) 25 25 25
Belt, Quantity...Type...Length (mm) 1...A...1245 1...A...1245 1...A...1346
Pulley Center Line Distance (mm) 425-489 403-445 403-445
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 3.28 3.05 3.28
Liquid Propane — Alt 2.44 2.44 2.44 2.59 2.44 2.59
Thermostat Heat Anticipator Setting (amps)
400 v Stage 1 .14 .14 .14 .14 .14
Stage 2 .14 .20 .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) (%) 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 (mm) 13 19 19 19 19 19 19 19
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 ± 3
Closes (C) 7 ± 3
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
Bhp Brake Horsepower
BkW Fan Input Watts x Motor Efficiency