Carrier 50TFF007-014 - Physical data (English); UNIT SIZE 50 TFF; COMPRESSOR; EVAPORATOR FAN

5
50TFF007-014 UNITS
LEGEND *Evaporator coil fins/condenser coil fins.
†Requires the accessory/optional controls upgrade kit.
NOTE: The 50TFF007-014 units have a loss-of-charge/low-pressure
switch (accessory) located in the liquid line.
UNIT SIZE 50TFF 007 008 009 012 014
NOMINAL CAPACITY (tons) 5 6.1 6.9 8.3 10.2
OPERATING WEIGHT (lb)
Unit
Al/Al* 470 755 760 915 930
Al/Cu* 540 825 830 985 1000
Durablade Economizer 34 44 44 44 44
EconoMi$er 47 62 62 62 62
Roof Curb† 115 143 143 143 143
COMPRESSOR
Type Scroll Reciprocating Scroll
Quantity 12 22 2
Oil (oz) 54 42 ea 65 ea 54 ea 54 ea
REFRIGERANTTYPE R-22
Operating Charge (lb-oz)
Circuit 1 7-8 4-13 6-14 7- 3 8-10
Circuit 2 — 4-14 9- 2 7-13 8- 6
CONDENSER COIL
3
/
8
-in., Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in. 2...17 1...17 2...17 2...17 2...17
Total Face Area (sq ft) 10.42 20.50 18.00 20.47 25.00
CONDENSER FAN Propeller Type
Nominal Cfm 3000 6100 6100 6500 6500
Quantity...Diameter (in.) 1...22.0 2...22 2...22 2...22 2...22
Motor Hp...Rpm
1
/
3
...960
1
/
4
...930
1
/
4
...930
1
/
4
...930
1
/
4
...930
EVAPORATOR COIL
3
/
8
-in., Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Feed Device
Rows...Fins/in. 4...15 3...15 3...15 3...15 4...15
Total Face Area (sq ft) 5.5 8.0 8.0 10.0 11.1
EVAPORATOR FAN Centrifugal Type
Quantity...Size (in.) 1...10 x 10 1...15 x 15 1...15 x 15 1...15 x 15 1...15 x 15
Type Drive Belt Belt Belt Belt Belt
Nominal Cfm 2000 2600 2600 3500 4200
Motor Hp 1
1
/
2
1
1
/
2
1
1
/
2
23
Maximum Continuous Bhp 2.40 2.40 2.40 2.40 3.70
Motor Frame Size 56 56 56 56 56
Fan Rpm Range 930-1205 620-880 620-880 690-900 710-890
Motor Bearing Type Ball Ball Ball Ball Ball
Maximum Allowable Rpm 2100 1600 1600 1600 1600
Motor Pulley Pitch Diameter Min/Max (in.) 2.8/3.8 2.4/3.4 2.8/3.8 2.8/3.8 4.0/5.0
Nominal Motor Shaft Diameter (in.)
5
/
8
5
/
8
5
/
8
5
/
8
7
/
8
Fan Pulley Pitch Diameter (in.) 4.5 7.0 7.0 7.0 8.0
Nominal Fan Shaft Diameter (in.) —— —— —
Belt, Quantity...Type...Length (in.) 1...A...40 1...A...49 1...A...49 1...A...49 1...A...52
Pulley Center Line Distance (in.) 14.7-15.5 16.75-19.25 16.75-19.25 15.85-17.50 15.85-17.50
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
80 50 50 50 44
Movable Pulley Maximum Full Turns
From Closed Position
55 55 5
Factory Setting 55 55 5
Factory Speed Setting (rpm) 930 620 620 690 710
Fan Shaft Diameter at Pulley (in.)
5
/
8
111 1
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
(Differential)
500 ± 50 450 ± 50 500 ± 50
Cutout 428
Reset (Auto.) 320
LOW-PRESSURE SWITCH (psig)
Cutout 7±3
Reset (Auto.) 22 ± 7
FREEZEPROTECTION THERMOSTAT
Opens 30 ± 5
Closes 45 ± 5
OUTDOOR-AIR INLET SCREENS Cleanable Cleanable
Quantity...Size (in.) 1...20 x 24 x 1
1...20 x 25 x 1
1...16 x 25 x 1
RETURN-AIR FILTERS Throwaway
Quantity...Size (in.) 2...16 x 25 x 2 4...16 x 20 x 2 4...16 x 20 x 2 4...20 x 20 x 2 4...20 x 20 x 2
Al — Aluminum
Bhp — Brake Horsepower
BkW — Fan Input Watts x Motor Efficiency
Cu — Copper
Physical data (English)