Carrier 48MA - Manual (Page 2)

Table 1 — Physical Data
UNIT 48MA OR SOME
Zone Modules
OPERATING WT (lb)
Bose Unit 48MA
Bose Unit SOME (with heat)
Roof Curb
REFRIG CHARGE (lb, R-22)
COMPRESSOR
No. 1 Type
Cylinders ... Unloaders
No. 2 Type
Cylinders (has no unloaders)
System Oil Charge (pts)
Unlaader Settings (psig)
Left Bank
Right Bank
Loads
Unloads
Loads
Unloads
Capacity Steps (%)
OUTDOOR AIR FANS
Mtr Hp ... Rpm ... Frame (NEMA)
No. 1
No. 2
No. 3
0T6
8
3385
2985
_506
28 "
024
8
3805
3405
506
~~32
028
10
4075
3665
506
43
030
10
4080
3670
506
43
034
12
4800
4400
630
040
12
57
5700
5250
630
"65 “■
Reciprocating Hermetic, 1725 Rpm
06DE537
6 2
06 DE 824
6 .. 2
06DA824
6
22
06DE537
6 . 2
06DA824
6
22
06DE537
6 . . 2
06DA537
6
22
06DE537
6 . . . 2
06DA537
6
21
06EE250
4 . . 1
06EA250
4
31
Compressor No. 1 Only
71.0 ± 1 5
57.5
±25
76 0 + 1 5
62 5 ± 2.5 75.5 ± 1 5
58.0 ±25
100,67,33
100,83,67
50,33,17
100,80,60
40,20
100,80,60
40,20
100,83,67
50,33,17
100,75,
50,25
Propeller, Direct Drive
INDOOR AIR FANS
HEATING SECTION (48MA)
Rise Range
Input (1000 Btuh) Min-Max Total
Each Module
Bonnet Cap. (1000 Btuh) Total
Stage 1/Stoge 1 ± 2
1 . 1075
1 ... 1140 56 (1-phase)
56 (3-phase)
I 1 1140 . 56 (3-ph)
No. ... Size (in.) 2 ... 15x15 2 . 15x15 2 . 15x15 2 . 15x15 3 ... 15x9 3 . 15x9
Cfm (Norn) 6000 8000 10,000 10,000 12,000 12,000
Motor Hp ... Rpm Std 5 . . 1725 7/2 ... 1725 10 ... 1725 10 ... 1725 15 ... 1725 15 ... 1725
Opt
-
- - - 20 ... 1725 20 ... 1725
Fan Pulley
Outside Diameter (in.) 10.6 10.6 8 0 8 0 8 0 8.0
Bore (in..) Р/!б P /16 1“/б 1‘Мб
Fan Belt No. ... Size w/Std Mtr 1 3V630 1 ... 3V630 2 ... 3VS60 2 . 3V560 2 3V630 2 ... 3V630
w/Opt Mtr - - - - 3 . 3V670 3 . . 3V670
Motor Pulley A Factory Instai led
Outside Diam (in.) w/Std Mtr 5.3 6.0 5 0 '5 0 5 0 5.0
w/Opt Mtr _ -
-
- 6.0 6.0
Bore (in.) iVe 1% 1 % 1% 1% 1%
Resulting Fan Rpm w/Std Mtr 880 995 1095 1095 1095 1095
w/Opt Mtr - - - - 1320 1320
Motor Pulley B Shippec With Unit
Outside Diam (in.) w/Std Mtr 6.0 6 9 5.6 5 6 5 6 5.6
w/Opt Mtr — -
6.5 6.5
Resulting Fan Rpm w/Std Mtr 995 1145 1230 1230 1230 1230
w/Opt Mtr
-
- 1425 1 1425
2-Stage Furnace Assembly in Each Zone Module
HEATING SECTION (SOME ELEC)
HEATING SECTION (SOME, GLY.)
Max allowable inlet temperature
Max allowable flow, each coil
Solution mixture
Max allowable working pressure
Total internol volume (gals)
PRESSURE SWITCHES
, _ Cutout
Low-Pressure r. ^ .
Cut-in
High-Pressure ^ul^n
Indoor Air Flow Switch (AFS 1)
Factory Setting (cfm)
Adjustment Range (cfm)
INDOOR AIR FILTERS
Std No. ... Size (in.)
High Efficiency (optional)
No. ... Size (in.)
Roll Media (optionol)
240-480
60
360
22.5/45.0
240-480
60
360
22.5/45.0
25 F to 55 F at 0 75 in. v^g ESP
300-600 I 300-600 I 360-720
60 60 60
450 450 540
22.5/45.0 I 22.5/45.0 j 22.5/45.0
360-720
60
540
22.5/45.0
See Electrical Data Table for Electric Heat Data
2.61 2.61
1 Heating Coil in each Zone Module
ZOO F
6 gpm
20% glycol
30 psig
3.15 ] 3.15 1 3 76 3.76
29 ± 5 psig
39 ± 5 psig
400 ± 5 psig
300 ± 5 psig
6000
4000-6000
9000
6000-9000
12 ... 20x25x2
Same but with 36.5% efficiency (NBS Dust Spot Test)
65 ft of 2-in. media
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