—7—
Table 1B — Physical Data — 566D150-240 Units
*Unit is factory-supplied with holding charge only.
†Typical operating charge with 25 ft of interconnecting piping. Operating charge is approximate for maximum system capacity.
**Indicates capacity step (%) with electric unloader accessory.
††Storage capacity is measured at liquid saturated temperatures of 123 F for 566D150 and 130 F for 566D180 and 240.
UNIT SIZE 566D150 566D180 566D240
NOMINAL CAPACITY (tons) 12
1
/
2
15 20
OPERATING WEIGHTS (lb)
Aluminum-Fin Coil (Standard) 779 789 900
Copper-Fin Coil (Optional) 919 929 1040
REFRIGERANT TYPE* R-22
Operating Charge, Typical (lb)† 23 23 28
Shipping Charge (lb) 3.1 3.1 3.1
COMPRESSOR Reciprocating, Semi-Hermetic
Qty...Model 1...06DD328 1...06DD537 1...06E4250
No. Cylinders 664
Speed (rpm) 1750
Oil Charge (pt) 10 10 15.5
Capacity Steps
Accessory 33**, 66, 100 33**, 66, 100 —
Standard 66, 100 66, 100 50, 100
Unloader Setting (psig)
Load 70 ± 1
Unload 60 ± 2
Crankcase Heater Watts 125
CONDENSER FANS Axial Flow, Direct Drive
Qty...Rpm 2...1075
Diameter (in.) 26
Nominal Hp
1
/
2
Nominal Airflow (cfm, total) 11,000
Watts (total) 1460
CONDENSER COIL Copper Tubes, Aluminum Fins
Rows...Fins/in. 3...15 3...15 3...15
Face Area (sq ft) 29.2 29.2 29.2
Storage Capacity (lb)†† 40.3 39.8 39.8
CONTROLS
Pressurestat (psig)
High Cutout 395 ± 10
Cut-in 295 ± 20
Low Cutout 27 ± 4
Cut-in 67 ± 7
FAN CYCLING CONTROLS
Operating Pressure (psig)
No. 2 Fan, Close 255 ± 10
Open 160 ± 10
PRESSURE RELIEF
Location Liquid Line
Temperature (F) 200
PIPING CONNECTIONS (in. ODM)
Suction 1
3
/
8
1
3
/
8
1
5
/
8
Liquid
5
/
8
Hot Gas Stub
3
/
8
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