3
Table 1B — Physical Data — 50/60 Hz (SI)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 51 C.
NOTES:
1. 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 483 ± 6.9 kPa and unload is 414 ± 13.8 kPa.
2. Equivalent mm values for connectors are as follows:
in. mm
1/212.7
5/815.9
11/828.6
UNIT 38 AK007 AK008 AK012 AKS008 AKS009 AKS012
OPERATING WEIGHT (kg)
Aluminum Coils (Standard) 154 177 192 231 256 256
Copper Coils (Optional) 175 208 215 262 287 287
RIGGING WEIGHT (kg)
Aluminum Coils (Standard) 176 200 215 254 279 279
Copper Coils (Optional) 198 231 250 285 309 309
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 1)
Quantity Cylinders 2——4 6
Speed (r/s)— 60 Hz 58.4 58.4 58.4 29.2 29.2
— 50 Hz 48.4 48.4 48.4 24.2 24.2
Oil Charge (L) 1.92 2.51 3.25 2.60 3.78
CONDENSER FAN — 60 Hz Propeller; Direct Drive
Quantity...R/s 1...14.2 1...18.3
Diameter (mm) 660 660
Motor Hp (NEMA) 1/33/4
Nominal Airflow (L/s) 1800 3050 3300 3050 3050 3050
CONDENSER FAN — 50 Hz Propeller; Direct Drive
Quantity...R/s 1...16.0
Diameter (mm) 660
Motor Hp (NEMA) 1/3
Nominal Airflow (L/s) 1490 2550 2750 2550 2550 2550
CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced Fins
Face Area (sq m) 1.14 1.46 1.90 1.67 1.67 1.67
Storage Capacity (kg)† 5.1 6.75 8.6 7.5 7.5 7.5
CONNECTIONS (sweat)
Suction (in.) 11/811/811/811/811/811/8
Liquid (in.) 1/21/25/81/25/85/8
CONTROLS
Pressurestat Settings (kPa)
High Cutout 2937 ± 48
Cut-in 2206 ± 138
Low Cutout 48 ± 20
Cut-in 151 ± 34