Table 1 — Physical Data — 575B072, 575C090,120 and 541A180 Units
UNIT | 575B072 |
| 575C090 |
|
| 575C120 |
| 541A180 |
NOMINAL CAPACITY (tons) | 6 |
| 7.5 |
|
| 10 |
| 15 |
OPERATING WEIGHTS (lb) |
|
|
|
|
|
|
|
|
345 |
| 464 |
|
| 506 |
| 803 | |
|
|
| ||||||
N/A |
| 565 |
|
| 607 |
| 945 | |
REFRIGERANT* |
|
|
|
|
|
|
| |
Operating Charge, Typical (lb)† | 20 |
| 20 |
|
| 22 |
| 37 |
|
|
| ||||||
Shipping Charge (lb) | 1 |
| 9 |
|
| 9 |
| 3 |
COMPRESSOR |
|
| Scroll |
|
|
|
| |
Qty...Model | 1...SR_75 |
| 1...ZR_94 |
|
| 1...ZR125 |
| 1...06DF537†† |
|
| |||||||
Oil Charge (oz) | 88 |
| 90 |
|
| 110 |
| 128 |
No. Cylinders |
|
| N/A |
|
|
|
| 6 |
Speed (rpm) |
| 3500 |
|
|
|
| 1750 | |
OUTDOOR FANS |
|
|
|
|
|
|
|
|
Qty...Rpm | 1…1100 |
|
| 2…1100 |
| 2…1075 | ||
|
|
| ||||||
Diameter (in.) | 26 |
|
| 22 |
| 26 | ||
Nominal Hp | 3/4 |
|
| 1/4 |
| 1/2 | ||
Nominal Airflow (cfm total) | 6300 |
|
| 6500 |
| 11,000 | ||
Watts (total) | 750 |
|
| 570 |
| 1460 | ||
OUTDOOR COILS (Qty) | 1 |
|
| 2 |
| 1 | ||
Face Area (sq ft total) | 24 |
|
| 29.2 |
| 29.2 | ||
Rows...Fins/in. | 2…18 |
|
| 2…17 |
| 3…15 | ||
Storage Capacity (lb)** | 17.3 |
|
| 34.2 |
| 40.1 | ||
CONTROLS |
|
|
|
|
|
|
|
|
Pressurestat Settings (psig) |
|
|
|
|
|
|
|
|
High Pressure |
|
|
|
|
|
|
|
|
Open | 420 |
|
| 428 ± 10 |
| 395 ± 20 | ||
|
|
| ||||||
Close | 300 |
|
| 320 ± 20 |
| 295 ± 20 | ||
Low Pressure |
|
|
|
|
|
|
|
|
Open | 5 |
|
| 7 ± 3 |
| 7 ± 3 | ||
Close | 20 |
|
| 22 ± 5 |
| 22 ± 5 | ||
PIPING CONNECTIONS (in. ODM) |
|
|
|
|
|
|
|
|
Vapor | 11/8 |
| 11/8 |
|
| 13/8 |
| 15/8 |
|
|
| ||||||
Liquid | 5/8 |
| 1/2 |
|
| 1/2 |
| 5/8 |
*Unit is factory supplied with holding charge only.
†Typical operating charge with 25 ft of interconnecting pipe. **Storage capacity of condenser coil with 80% full of liquid at 95 F.
††Equipped with an electric solenoid unloader, capacity steps are 100% and 67%.
