Carrier 50TFF007-014 - Physical data (SI)

4
50TFF007-014 UNITS
LEGEND *Evaporator coil fins/condenser coil fins.
†Weight of 356 mm roof curb.
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 (kW) 17.6 21.5 24.3 29.2 35.9
OPERATING WEIGHT (kg)
Unit
Al/Al* 213 342 345 415 422
Al/Cu* 245 374 376 447 454
Durablade Economizer 15.4 20.0 20.0 20.0 20.0
EconoMi$er 21 28 28 28 28
Roof Curb† 52 65 65 65 65
COMPRESSOR
Type Scroll Reciprocating Scroll
Quantity 1 2222
Oil (ml) 1597 1242 ea 1922 ea 1597 ea 1597 ea
REFRIGERANTTYPE R-22
Operating Charge (kg)
Circuit 1 3.40 2.18 3.12 3.26 3.91
Circuit 2 — 2.21 4.16 3.54 3.80
CONDENSER COIL
3
/
8
-in., Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/m 2...669 1...669 2...669 2...669 2...669
Total Face Area (sq m) 0.97 1.90 1.67 1.90 2.30
CONDENSER FAN Propeller Type
Nominal L/s 1415 2880 2880 3050 3050
Quantity...Diameter (mm) 1...559 2...559 2...559 2...559 2...559
Motor BkW...r/s .25...16.0 .19...15.5 .19...15.5 .19...15.5 .19...15.5
EVAPORATOR COIL
3
/
8
-in., Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Feed Device
Rows...Fins/m 4...590 3...590 3...590 3...590 4...590
Total Face Area (sq m) 0.51 0.74 0.74 0.93 1.03
EVAPORATOR FAN Centrifugal Type
Quantity...Size (mm x mm) 1...254 x 254 1...381 x 381 1...381 x 381 1...381 x 381 1...381 x 381
Type Drive Belt Belt Belt Belt Belt
Nominal L/s 1130 1230 1420 1700 1980
Motor kW 1.12 1.12 1.12 1.50 2.24
Maximum Continuous BkW 1.79 1.79 1.79 1.79 2.76
Motor Frame Size 56 56 56 56 56
Nominal r/s High/Low — ————
Fan r/s Range 15.50-20.08 10.33-14.67 10.33-14.67 11.50-15.00 11.83-14.83
Motor Bearing Type Ball Ball Ball Ball Ball
Maximum Allowable r/s 35.0 26.7 26.7 26.7 26.7
Motor Pulley Pitch Diameter Min/Max (mm) 71/97 61/86 71/97 71/97 102/127
Nominal Motor Shaft Diameter (mm) 16 16 16 16 22
Fan Pulley Pitch Diameter (mm) 114 178 178 178 203
Nominal Fan Shaft Diameter (mm) — 25252525
Belt, Quantity...Type...Length (mm) 1...A...1092 1...A...1245 1...A...1245 1...A...1245 1...A...1321
Pulley Center Line Distance (mm) 373-394 425-489 425-489 403-445 403-445
Speed Change per Full Turn of
Movable Pulley Flange (r/s)
1.33 .83 .83 .83 .73
Movable Pulley Maximum Full Turns
From Closed Position
5 5555
Factory Setting 5 5555
Factory Speed Setting (r/s) 15.50 10.33 10.33 11.50 11.83
Fan Shaft Diameter at Pulley (mm) 16 25 25 25 25
HIGH-PRESSURE SWITCH (kPa)
Standard Compressor Internal Relief
(Differential)
3448 ± 345 3103 ± 345 3448 ± 345
Cutout 2951
Reset (Auto.) 2206
LOW-PRESSURE SWITCH (kPa)
Cutout 48 ± 21
Reset (auto.) 152 ± 48
FREEZEPROTECTION THERMOSTAT
Opens (C) –1
Closes (C) 7
OUTDOOR-AIR INLET SCREENS Cleanable
Quantity...Size (mm) 1...508 x 610 x 25
1...508 x 635 x 25
1...406 x 635 x 25
RETURN-AIR FILTERS Throwaway
Quantity...Size (mm) 2...406 x 635 x 51 4...406 x 508 x 51 4...406 x 508 x 51 4...508 x 508 x 51 4...508 x 508 x 51
Al — Aluminum
Bhp — Brake Horsepower
BkW — Fan Input Watts x Motor Efficiency
Cu — Copper
Physical data (SI)