50HE,HJ
Table 2—Physical Data 50HE
BASE UNIT 50HE |
| 003 | 004 |
| 005 |
| 006 |
NOMINAL CAPACITY |
| 2 | 3 |
| 4 |
| 5 |
OPERATING WEIGHT (lb) |
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Unit |
| 435 | 445 |
| 465 |
| 635 |
| 13 | 15 |
| 23 |
| 25 | |
EconoMi$er IV |
| 50 | 50 |
| 50 |
| 50 |
Roof Curb |
| 115 | 115 |
| 115 |
| 115 |
COMPRESSOR |
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|
| Scroll |
|
|
Quantity |
| 1 | 1 |
| 1 |
| 1 |
Oil (oz) |
| 25 | 42 |
| 56 |
| 53 |
REFRIGERANT TYPE |
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| |
Expansion Device |
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| Acutrol™ Metering Device | |||
Operating Charge |
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|
Standard Unit |
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Unit With |
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CONDENSER FAN |
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|
|
| Propeller |
|
|
Quantity...Diameter (in.) |
| 1...22 | 1...22 |
| 1...22 |
| 1...22 |
Nominal Cfm |
| 3000 | 3500 |
| 3500 |
| 4100 |
Motor Hp...Rpm |
| 1/8...825 | 1/8...825 |
| 1/8...825 |
| 1/ ...1100 |
Watts Input (Total) |
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|
|
|
|
| 4 |
| 180 | 180 |
| 180 |
| 320 | |
CONDENSER COIL |
|
| Enhanced Copper Tubes, Aluminum Lanced Fins | ||||
Rows...Fins/in. |
| 1...17 | 1...17 |
| 2...17 |
| 2...17 |
Total Face Area (sq ft) |
| 14.6 | 14.6 |
| 16.5 |
| 16.5 |
EVAPORATOR COIL |
|
| Enhanced Copper Tubes, Aluminum | ||||
Standard Unit |
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|
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Rows...Fins/in. |
| 2...15 | 2...15 |
| 2...15 |
| 4...15 |
Total Face Area (sq ft) |
| 4.2 | 5.5 |
| 5.5 |
| 5.5 |
Unit with |
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|
|
|
| |
Rows...Fins/in. |
| 1...17 | 1...17 |
| 2...17 |
| 2...17 |
Total Face Area (sq ft) |
| 3.5 | 3.9 |
| 3.9 |
| 3.9 |
EVAPORATOR FAN |
|
|
| Centrifugal Type, Belt Drive | |||
Quantity...Size (in.) |
| 1...10 x 10 | 1...10 x 10 |
| 1...10 x 10 |
| 1...10 x 10 |
Nominal Cfm | Std | 800 | 1200 |
| 1600 |
| 2000 |
Maximum Continuous Bhp | 0.58 | 1.20 |
| 1.20 |
| 1.30/2.40* | |
|
|
| 2.40 |
| 2.40 |
| 2.90 |
Motor Frame Size | Std | 48 | 48 |
| 48 |
| 48/56* |
Motor Rpm |
|
| 56 |
| 56 |
| 56 |
Std | 1620 | 1620 |
| 1620 |
| 1725 | |
Fan Rpm Range |
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Motor Bearing Type |
|
|
|
| |||
| Ball | Ball |
| Ball |
| Ball | |
Maximum Fan Rpm | Std | 1620 | 2100 |
| 2100 |
| 2100 |
Motor Pulley Pitch Diameter A/B (in.) | 2.4/3.2 | 1.9/2.9 |
| 1.9/2.0 |
| 2.4/3.4 | |
|
|
| 2.8/3.8 |
| 2.8/3.8 |
| 3.4/4.4 |
Nominal Motor Shaft Diameter (in.) | Std | 5/8 | 1/2 |
| 1/2 |
| 5/8 |
|
| 7/8 | 5/8 |
| 5/8 |
| 5/8 |
Fan Pulley Pitch Diameter (in.) | Std | 4.0 | 4.5 |
| 4.0 |
| 4.0 |
|
| 4.5 | 4.5 |
| 4.0 |
| 4.5 |
Belt — Type...Length (in.) | Std | 1...A...36 | 1...A...36 |
| 1...A...36 |
| 1....4...40 |
Pulley Center Line Distance (in.) |
|
| 1...A...39 |
| 1...A...39 |
| 1...A...40 |
Std |
|
| |||||
Speed Change per Full Turn of | 60 | 65 |
| 70 |
| 75 | |
Movable Pulley Flange (rpm) |
|
| 65 |
| 65 |
| 60 |
Movable Pulley Maximum Full | Std | 5 | 5 |
| 5 |
| 6 |
Turns from Closed Position |
|
| 6 |
| 6 |
| 5 |
Factory Setting — Full Turns Open | Std | 3 | 3 |
| 3 |
| 3 |
|
|
| 31/2 |
| 31/2 |
| 31/2 |
Factory Speed Setting (rpm) | Std | 756 | 826 |
| 936 |
| 1248 |
Fan Shaft Diameter at Pulley (in.) |
|
| 1233 |
| 1233 |
| 1396 |
| 5/8 | 5/8 |
| 5/8 |
| 5/8 | |
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Standard Compressor Internal Relief |
|
|
| 450 ± 50 |
|
| |
Cutout |
|
|
| 428 |
|
| |
Reset (Auto.) |
|
|
| 320 |
|
| |
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SWITCH (Liquid LIne) (psig) |
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Cutout |
|
|
| 7 ± 3 |
|
| |
Reset (Auto.) |
|
|
| 22 ± 5 |
|
| |
FREEZE PROTECTION THERMOSTAT |
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Opens (F) |
|
|
| 30 |
|
| |
Closes (F) |
|
|
| 45 |
|
| |
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| Cleanable. Screen quantity and size varies with option selected. | |||||
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| Throwaway |
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Quantity...Size (in.) |
|
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| 2...16 x 25 x 2 |
|
| |
LEGEND |
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| ***These units do NOT meet the California low NOx requirements. | ||||
Bhp — Brake Horsepower |
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| †††California SCAQMD compliant low NOx | models have combustion products that are | |||
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| controlled to 40 nanograms per joule or less. | |||||
*Single phase/three phase.
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