Carrier 50JS, Installation, Start-Up And Service Instructions Manual

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Table 1A—Physical Data
UNIT SIZE 50JS018 50JS024 50JS030 50JS036 50JS042 50JS048 50JS060
NOMINAL CAPACITY (ton) 1-1/2 2 2-1/2 2-1/2 3-1/2 4 5
OPERATING WEIGHT (lb) 283 289 287 291 323 353 418
COMPRESSOR QUANTITY 1
TYPE RECIPROCATING COMPRESSOR SCROLL COMPRESSOR
REFRIGERANT R-22
REFRIGERANT METERING DEVICE Accurater ®
Refrigerant (R-22) Quantity (lb.) 5.6 5.2 5.8 7.1 7.6 7.8 8.6
ORIFICE ID (in.) 0.053 0.061 0.068 0.078 0.078 0.088 0.093
ORIFICE OD (in.) 0.040 0.049 2@0.042 2@0.046 2@0.052 2@0.057 2@0.061
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
1....17
10.2
1....17
12.0
1....17
12.0
2....17
10.3
2....17
10.3
2....17
11.6
2....17
11.6
OUTDOOR FAN
Nominal Airflow (CFM)
Diameter
Motor HP (RPM)
2400
22
1/8 (825)
2400
22
1/8 (825)
2400
22
1/8 (825)
2800
22
1/4 (1100)
2400
22
1/8 (825)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
INDOOR COIL
Rows...Fins/in.
Face Area (Sq Ft)
2....15
3.7
2....15
3.7
3....15
3.7
3....15
3.7
4....15
3.7
3....15
4.7
4....15
4.7
INDOOR BLOWER
Nominal Airflow (CFM)
Size (in.)
Motor (HP)
700
10x10
1/8
800
10x10
1/4
1000
11x10
1/4
1200
11x10
1/2
1250
11x10
3/4
1600
11x10
3/4
2000
11x10
1
RETURN-AIR FILTERS (in.)
Throwaway
20x20x1 20x20x1 20x20x1 20x24x1 24x30x1 24x30x1 24x30x1
Table 1B—Physical Data
UNIT SIZE 50JX024 50JX030 50JX036 50JX042 50JX048 50JX060
NOMINAL CAPACITY (ton) 2 2 1/2 3 3-1/2 4 5
OPERATING WEIGHT (lb) 299 320 328 350 355 420
COMPRESSOR QUANTITY 1
TYPE SCROLL COMPRESSOR
REFRIGERANT R-22
REFRIGERANT METERING DEVICE Accurater ®
Refrigerant (R-22) Quantity (lb.) 5.5 6.4 7.0 10.8 10.4 12.3
ORIFICE ID (in.) 0.065 0.073 0.076 0.080 0.088 0.0.93
ORIFICE OD (in.) 0.055 0.065 0.067 2@0.052 2@0.057 2@0.063
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
1...17
14.6
2...17
10.9
2...17
10.9
2...17
14.4
2...17
14.4
2...17
16.4
OUTDOOR FAN
Nominal Airflow (CFM)
Diameter
Motor HP (RPM)
2350
22
1/8 (825)
2350
22
1/8 (825)
2800
22
1/4 (1100)
2800
22
1/8 (825)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
INDOOR COIL
Rows...Fins/in.
Face Area (Sq Ft)
3...15
3.7
3...15
3.7
4...15
3.7
4..15
4.7
4...15
4.7
4...15
5.7
INDOOR BLOWER
Nominal Airflow (CFM)
Size (in.)
Motor (HP)
800
10x10
1/4
1000
11x10
1/4
1200
11x10
1/2
1400
11x10
3/4
1600
11x10
3/4
2000
11x10
1
RETURN-AIR FILTERS (in.)
Throwaway
20x20x1 20x20x1 20x24x1 24x30x1 24x30x1 24x30x1
NOTE: Air filter pressure drop for non-standard filters must not exceed 0.08 in. wg.
Table 2A—Minimum Airflow for Reliable Electric Heater Operation (Cfm)
SIZE 50JS018 50JS024 50JS030 50JS036 50JS042 50JS048 50JS060
AIRFLOW (CFM) 650 800 1000* 1200 1400 1600 2000
Table 2B—Minimum Airflow for Reliable Electric Heater Operation (Cfm)
SIZE 50JX024 50JX030 50JX036 50JX042 50JX048 50JX060
AIRFLOW (CFM) 800 1000* 1200 1400 1600 2000
* The 030 size models must be run on medium or high speed when used in conjunction with 15 Kw electric heat accessory.
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