Carrier 38AK012 User Manual
Page 2
Table 1A — Physical Data — 50/60 Hz (English)
UNIT 38
AK007
AK008
AK012
AKS008
AKS009
AKS012
OPERATING WEIGHT (lb)
Aluminum Coils (Standard)
340
370
395
510
564
564
Copper Coils (Optional)
386
438
472
578
632
632
RIGGING WEIGHT (lb)
Aluminum Coils (Standard)
390
420
445
560
614
614
Copper Coils (Optional)
436
488
522
628
682
682
REFRIGERANT*
R-22
COMPRESSOR
Bristol, Reciprocating
Copeland, Scroll
Copeland, Scroll
Reciprocating, Semi-Hermetic
Quantity...Type
1...H26A72Q
1...ZR94KC
1...ZR125KC
1...06DA818
1...06DA824
1...06DH824
(See Note)
Quantity Cylinders
2
—
—
4
6
Speed (rpm) — 60 Hz
3500
3500
3500
1750
1750
— 50 Hz
1460
1460
Oil Charge (oz)
65
85
110
88
128
CONDENSER FAN — 60 Hz
Propeller; Direct Drive
Quantity...Rpm
1...850
1...1100
Diameter (in.)
26
26
Motor Hp (NEMA)
1
⁄
3
3
⁄
4
Nominal Airflow (cfm)
3800
6500
7000
6500
6500
6500
CONDENSER FAN — 50 Hz
Propeller; Direct Drive
Quantity...Rpm
1...960
Diameter (in.)
26
Motor Hp (NEMA)
1
⁄
3
Nominal Airflow (cfm)
3150
5400
5800
5400
5400
5400
CONDENSER COIL
Enhanced Copper Tubes, Aluminum Lanced Fins
Face Area (sq ft)
12.24
15.75
20.5
18.0
18.0
18.0
Storage Capacity (lb)†
11.26
14.88
18.87
16.56
16.56
16.56
CONNECTIONS (sweat)
Suction (in.)
1
1
⁄
8
1
1
⁄
8
1
1
⁄
8
1
1
⁄
8
1
1
⁄
8
1
1
⁄
8
Liquid (in.)
1
⁄
2
1
⁄
2
5
⁄
8
1
⁄
2
5
⁄
8
5
⁄
8
CONTROLS
Pressurestat Settings (psig)
High Cutout
426
Ϯ
7
Cut-in
320
Ϯ
20
Low Cutout
7
Ϯ
3
Cut-in
22
Ϯ
5
LEGEND
NEMA — National Electrical Manufacturing Association
*Unit is factory supplied with holding charge only.
†Storage capacity of condenser coil with coil 80% full of liquid R-22 at 124 F.
NOTE: Unit 38AKS012 has one step of unloading. Full load is 100% capacity, and one step of unloading
is 67% capacity. Unit 38AKS012 has the following unloader settings: load is 70
Ϯ
1 psig and unload is
60
Ϯ
2 psig.
2