50c r – Carrier 50CR User Manual
Page 10
10
Table 1—Physical Data -- Unit 50CR
UNIT SIZE
024
030
036
042
048
060
NOMINAL CAPACITY (ton)
2
2--1/2
3
3--1/2
4
5
OPERATING WEIGHT (lb.)
350
350
373
440
463
499
Compressor
Scroll
Refrigerant (R--410A) Quantity (lb.)
7.5
8
9.5
10.8
11.5
14.0
REFRIGERANT METERING DEVICE
TXV
ORIFICE OD (in.)
0.035 (2)
0.035 (2)
0.038 (2)
0.038 (2)
0.038 (Left OD Coil)
0.046 (Right OD Coil)
0.042 (Left OD Coil)
0.052 (Right OD Coil)
OUTDOOR COIL
Rows…Fins/in.
2…21
2…21
2…21
2…21
2…21
2…21
Face Area (sq. ft.)
12.3
12.3
13.6
15.4
17.2
19.4
OUTDOOR FAN
Nominal Cfm
2700
2700
2800
2800
3300
3300
Diameter
22
22
22
22
22
22
Motor HP (RPM)
1/8 (825)
1/8 (825)
1/8 (825)
1/8 (825)
1/4 (1100)
1/4 (1100)
INDOOR COIL
Rows…Fins/in.
3…15
3…15
4…15
3…15
4…15
4…17
Face Area (sq. ft.)
3.7
3.7
3.7
4.7
4.7
5.7
INDOOR BLOWER
Nominal Airflow (Cfm)
Comfort
Variable based on Comfort Roll back (see User Interface instructions for more information).
Efficiency
700
875
1050
1225
1400
1750
Max
800
1000
1200
1400
1600
2000
Size (in.)
10x10
10x10
11x10
11x10
11x10
11x10
Motor HP (RPM)
1/2
1/2
3/4
3/4
3/4
1
HIGH--PRESSURE SWITCH (psig)
650 ± 15
420 ± 25
Cutout
Reset (Auto)
LOSS--OF--CHARGE/LOW--PRESSURE SWITCH
20 ± 5
45 ± 10
(Liquid Line) (psig)
Cutout
Reset (Auto)
Return--Air Filters (in.)*
20x24x1
20x24x1
24x30x1
24x36x1
24x36x1
24x36x1
Throwaway
*Required filter sizes shown are based on the larger of the ARI (Air Conditioning and Refrigeration Institute) rated cooling airflow or the heating airflow velocity of 300 ft/minute
for throwaway type or 450 ft/minute for high--capacity type. Air filter pressure drop for non--standard filters must not exceed 0.08 in. wg.
USER
INTERFACE
DISCONNECT
PER NEC*
FROM
POWER
SOURCE
RETURN
AIR
TOP COVER
FROM
GAS LINE
*NEC - NATIONAL ELECTRICAL CODE
A06091
Fig. 10 -- Typical Installation
50C
R