Carrier 48SD - Troubleshooting and Warranty Information; Pre-Service Checks for Owners; In Case of Trouble

7
Table 1—Physical Data -- Unit 48SD
UNIT SIZE 48SD 018040 024040 024060 030040 030060 036060 036090 042060 042090
NOMINAL CAPACITY (ton) 1.5 2 2 2--1/2 2--1/2 3 3 3--1/2 3--1/2
OPERATING WEIGHT (lb)
(kg)
290
132
343
156
343
156
355
156
355
156
360
163
360
163
450
204
450
204
COMPRESSORS Scroll Scroll
REFRIGERANT (R--22)
Quantity (lb)
(kg)
5.3
2.4
5.9
2.7
5.9
2.7
6.0
2.7
6.0
2.7
7.2
3.3
7.2
3.3
7.8
3.5
7.8
3.5
REFRIGERANT METERING DEVICE
Orifice ID (in.)
Part Number
TXV AccuRater
NA
EA36YD097
0.065 0.065 0.070 0.070 0.080 0.080 0.084 0.084
CONDENSER COIL
Rows—Fins/in.
Face Area (sq ft)
1…21
13.6
2…21
10.2
2…21
10.2
2…21
11.9
2…21
11.9
2…21
113.6
2…21
13.6
2…21
19.4
2…21
19.4
CONDENSER FAN
Nominal Cfm
Diameter (in.)
Motor Hp
(Rpm)
2200
22
1/8 (825)
2200
22
1/8 (825)
2200
22
1/8 (825)
2800
22
1/8 (825)
2800
22
1/8 (825)
3000
22
1/8 (825)
3000
22
1/8 (825)
3500
22
1/8 (825)
3500
22
1/8 (825)
EVAPORATOR COIL
Rows—Fins/in.
Face Area (sq ft)
3…17
3.7
3…17
3.7
3…17
3.7
3…17
3.7
3…17
3.7
4…17
3.7
4…17
3.7
3…17
4.7
3…17
4.7
EVAPORATOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Size (mm)
Motor Hp
(RPM)
600
10x10
254x254
1/4 (825)
800
10x10
254x254
1/3 (1050)
800
10x10
254x254
1/3 (1050)
1000
10x10
254x254
1/3 (1050)
1000
10x10
254x254
1/3 (1050)
1200
10x10
254x254
1/2 (1000)
1200
10x10
254x254
1/2 (1000)
1400
11x 10
279x254
1/2 (1075)
1400
11x10
279x254
1/2 (1075)
FURNACE SECTION*
Burner Orifice No. (Qty—Drill Size) Natural Gas
Burner Orifice No. (Qty—Drill Size) Propane
2...44
2...50
2...44
2...50
2...38
2...46
2...44
2...50
2...38
2...46
2...38
2...46
3...38
3...46
2...38
2...46
3...38
3...46
RETURN--AIR FILTERS Throwaway (in.)†
(mm)
20x20x1
508x508x25
24x30x1
610x762x25
UNIT SIZE 48SD 048090 048115 048130 060090 060115 060130
NOMINAL CAPACITY (ton) 4 4 4 5 5 5
OPERATING WEIGHT (lb)
kg
480
218
480
218
480
218
484
220
484
220
484
220
COMPRESSORS Scroll
REFRIGERANT (R--22)
Quantity (lb)
(kg)
12.4
5.6
12.4
5.6
12.4
5.6
12.0
5.4
12.0
5.4
12.0
5.4
REFRIGERANT METERING DEVICE
Orifice ID (in.)
AccuRater
0.088 0.088 0.088 0.098 0.098 0.098
CONDENSER COIL
Rows—Fins/in.
Face Area (sq ft)
2…21
19.4
2…21
19.4
2…21
19.4
2…21
19.4
2…21
19.4
2…21
19.4
CONDENSER FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm)
3500
22
1/4 (1100)
3500
22
1/4 (1100)
3500
22
1/4 (1100)
4200
22
1/4 (1100)
4200
22
1/4 (1100)
4200
22
1/4 (1100)
EVAPORATOR COIL
Rows—Fins/in.
Face Area (sq ft)
3…17
5.7
3…17
5.7
3…17
5.7
4…17
5.7
4…17
5.7
4…17
5.7
EVAPORATOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Size (mm)
Motor Hp (RPM)
1600
11x10
279x254
1/2 (1075)
1600
11x10
279x254
1/2 (1075)
1600
11x10
279x254
1/2 (1075)
1750
11x10
279x254
1 (1040)
1750
11x10
279x254
1 (1040)
1750
11x10
279x254
1 (1040)
FURNACE SECTION*
Burner Orifice No. (Qty—Drill Size) Natural Gas
Burner Orifice No. (Qty—Drill Size) Liquid Propane
3...38
3...46
3...33
3...42
3...31
3...41
3...38
3...46
3...33
3...42
3...31
3...41
RETURN--AIR FILTERS Throwaway
(in.)†
(mm)
24x36x1
610x914x25
LEGEND
* Based on altitude of 0 to 2000 feet ( 0 to 610 m) .
{ Required filter sizes on 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/min for throwaway type or 450 ft/min for h igh---capacity type. Air filter pressure drop for non ---standard filters must not exceed 0.08 in. wc.
48SD