Carrier 38AKS028-044 User Manual
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Table 1A — Physical Data — English
UNIT 38AKS
028
034
044
COMPRESSOR
Reciprocating Semi-Hermetic
No. ...Type
1...06E9265
1...06E9275
1...06E9299
No. Cyls (ea)...Speed, Rpm (60/50 Hz)
6...1750/1460
Capacity Steps
3
Oil Charge*, Pt
20.0
20.0
19.0
Oil Pressure Switch (psi)
Set Points — Cutout
6
Ϯ
2
Differential — Cut-in
14 Max.
Crankcase Heater (watts)
180
Protection
See Note
Capacity Control (Psig)
Suction Pressure Unloader(s)
No. 1
Unloader Settings
Load
76
76
76
Unload
58
58
58
No. 2
Unloader Settings
Load
78
78
78
Unload
60
60
60
REFRIGERANT CHARGE, R-22
Approximate lb
30.5
43.5
65
COIL STORAGE
(at 125 F liquid temperature
and 80% full), lb
37.7
56.6
84.4
CONDENSER FANS, Type
Propeller Type, Direct Driven
No. ...Diameter, in.
2...30
3...30
Total Airflow, Cfm
15,700
23,700
Speed, Rpm 60/50 Hz
1140/950
CONDENSER COIL, Type
Horizontal Plate Fin
Rows...Fins/in.
2...19
3...17
3...17
Total Face Area, sq ft
39.2
39.2
58.4
*See Service, Oil Charge, for Carrier-approved oil.
NOTE: Circuit breaker is in main power circuit.
Table 1B — Physical Data — SI
UNIT 38AKS
028
034
044
COMPRESSOR
Reciprocating Semi-Hermetic
No. ...Type
1...06E9265
1...06E9275
1...06E9299
No. Cyls (ea)...Speed, R/s (60/50 Hz)
6...29.2/24.3
Capacity Steps
3
Oil Charge*, L
9.4
9.4
9.0
Oil Pressure Switch (kPa)
Set Points — Cutout
41.4
Ϯ
13.8
Differential — Cut-in
96.5 Max.
Crankcase Heater (watts)
180
Protection
See Note
Capacity Control (kPa)
Suction Pressure Unloader(s)
No. 1
Unloader Settings
Load
524
524
524
Unload
400
400
400
No. 2
Unloader Settings
Load
538
538
538
Unload
414
414
414
REFRIGERANT CHARGE, R-22
Approximate, kg
13.8
19.7
29.5
COIL STORAGE
(at 52 C liquid temperature
and 80% full), kg
17.1
25.7
38.3
CONDENSER FANS, Type
Propeller Type, Direct Driven
No. ...Diameter, mm
2...762
3...762
Total Airflow, L/s
7,400
11,200
Speed, R/s (60/50 Hz)
19.0/15.8
19.0/15.8
CONDENSER COIL, Type
Horizontal Plate Fin
Rows...Fins/mm
2...1.34
3...1.49
3...1.49
Total Face Area, sq m
3.64
3.64
5.43
*See Service, Oil Charge, for Carrier-approved oil.
NOTE: Circuit breaker is in main power circuit.
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