Carrier 50BA User Manual Page 2

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Table 1 — Physical Data
UNIT 50
BA
BB BB BA BB BA
BB
BA
BB
BA
BB BA
BB
BA.
BB BA
BB
008 012
016
024
028 034 044
0S4
064
OPER WEIGHT (lb) 770*
710* 950*
890*
1414*
1221*
1894- 1464* 2491
2327 2598 2430
3800 3100 4100
3300
4404
3550
OPER CHARGE (lb)
R
efrigerant 22t
Sys 1 10 7
10
8 24
15
17 7 24
15 24
15 24
15
29
15
52 25
Sys 2
- - - - - 17 7 17
12 24 15 24
15 29 15 52
25
Sys 3
- - - - - - - - - - -
17
11 29
15
- -
COMPRESSOR
1750 rprn at 60-Hz {Note 1)
06- R DA
DB DD
DA DA
DA
DA
DA
EAt
Sys 1
249
818 724
824
337 537 724
824 337
537 337
537 337
537
337
537 175 275
Sys 2
_
-
- - - -
724
824 724 824
337 537
337
537
337
537
175
275
Sys 3
- - - - - - - - - - - -
724
824
337
537
- -
Unloading Cylinder 0
0 2 2
2
2 0 0 0
0 0 0
0
0
0
0 4 4
Capacity Steps 1
1
2
2
2 2 2
2 2
2 2
2 3 3
3
3
2 or 4
Oil Capacity (Pfs)
s 7 10 10
10 ea
10 ea 10
ea 10 eo
10 eo
17 ea
CONDENSER, Type
Tf
_
TT
-
SC
-
SC
-
SC
- SC -
SC
SC
_
ST
-
Number
1
-
1
-
1
-
2
-
2
2
-
3
-
3
--
2
-
EVAPORATOR FAN
1725 Rpm;
Belt-Driven ^
_entri
ugn 1
Nominal Cfm
3000 4000
6000 8000
10,000
12,000 16,000 20,000
24,000
2250-
3000- 4500- 6000-
7,500-
9,000- 12,000- 15,000-
20,000-
Range Cim
3750
5000 7500 10000
12,500
15,000
20,000 25,000 25,000
Nominal Motor Hp
1 0 2 0
2 0
3 0 5 0
5 0
7 5 10 0 15 0
Frame (NEMA)
56
145T
145T
182T 184T
184T
213T 256 U 284 U
Motor PDR (Note 2)
2 4 -3 4
2 4
-3 4 3 7 -4 7
4 0
-5 0
4 3
-5 3 4 3 -5 3 5 6,6 0,6 4
5 8,6 2,6 8 7 0,7 4,8 0
Fan PPD
8 5 7 0
1 4 10 0
12 4 1 0 15 4
15 4 15 4
Belt No. ... Length
1
35 1 35
1
49 2 45 2 88
2 88
2
63
2 100
2 98 8
FSR (Rpm) (Note 2)
495
--700
600 -850
568 -720
700 -875
605
-750
685 -845
627,672,717
650,695,762
785,828,895
Speed Change per Vi
turn of Pulley
18 22
14 5
17 5
14 5 16 0
-
-
-
Flange (Rpm)
Moveable Pulley —
Max full turns from
5K. 5K>
6 5
6
6
-
-
-
Closed Position
PRESSURESTAT
Setting s (psig)
, Cutout
BA-280 BB -375
High _ , .
® Cut-in
BA -180
BB-275
, Cutout
27
29
Low _ .
Cut-in
60
63
EVAPORATOR COILS
Rows
3 3
3
4
4 4
4
4
4
Fins/ln.
13 13
13
1
1 11
11
11
13
Face (sq ft)
7 31
8 54
16 90
18 04
22 6
26 9
36 5
46 3
46 3
FILTERS, Low Vel**
3 16x25x2
6 25x20x2
6 25x20x2
10 20x25x2
10 20x25x2
No. ..Size (in.)
4 16x20x1
4 16x20x1
3 20x25x2 3 .20x25x2
2 16x20x2
2 16x20x2
5 16x25x2
5 16x25x2
t
FSR -
PDR -
PPD -
SC
ST
TT
Fan Speed Range
Pitch Diameter Range
Pulley Pitch Diameter
Shell and Coil
Shell and Tube
Tube in Tube
Add 140 lb for plenum
Does not include charge for matching air-cooled condenser or
connecting piping used with 50BB units All 50BB units are
shipped with holding charge
4O6EE on System 2
**Filters shown are supplied with unit Field-supplied 2-in filters
will fit 008 and 01 2 units
NOTES:
1 Compressor rprn on 50BA008 is 3450
2 Fan motor pulleys on 50BA.BB044, 054 and 064 are fixed
pitch
3 Maximum fan speed for all units is 11 00 rpm
Rigging and Unit Placement Inspect unit for
shipping damage. File any claim with trans
portation agency. Provide space around unit for
service, filter access, and clearance for plenum, if
used. Move and store unit in upright position. Use
slings with spacer under base skid to prevent panel
damage when using hoist. Raise base skid on blocks
and remove bolts. On 028 thru 064 units, unbolt
fan section from skid. Units, as shipped, are
adequately dampened against vibration. However,
if additional dampening is desired, place sponge
rubber, rubber mat or fiberglass roof insulation
between floor and base of unit or install vibration
isolators.
Units 50BA,BB008 thru 024 are shipped for
vertical discharge. If horizontal discharge is desired
on 008 and 012 units, a field-fabricated elbow
must be installed. On 016 and 024 units for top
mounted horizontal discharge, accessory filler
panels must be field installed (see Fig. 2).
I
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