Table 1—Physical Data 50HJ
BASE UNIT 50HJ |
| 004 |
| 005 |
| 006 | 007 |
NOMINAL CAPACITY |
| 3 |
| 4 |
| 5 | 6 |
OPERATING WEIGHT (lb) |
|
|
|
|
|
|
|
Unit |
| 435 |
| 445 |
| 465 | 540 |
| 15 |
| 23 |
| 25 | 29 | |
EconoMi$er IV |
| 50 |
| 50 |
| 50 | 50 |
Roof Curb |
| 115 |
| 115 |
| 115 | 115 |
COMPRESSOR |
|
|
| Scroll |
|
| |
Quantity |
| 1 |
| 1 |
| 1 | 1 |
Oil (oz) |
| 42 |
| 53 |
| 50 | 60 |
REFRIGERANT TYPE |
|
|
|
|
| ||
Expansion Device |
|
|
| Acutrol™ Metering Device |
| ||
Operating Charge |
|
|
|
|
|
|
|
Standard Unit |
|
|
| 12- 8 | |||
Unit With |
|
| |||||
CONDENSER FAN |
|
|
| Propeller |
|
| |
Quantity...Diameter (in.) |
| 1...22 |
| 1...22 |
| 1...22 | 1...22 |
Nominal Cfm |
| 3500 |
| 3500 |
| 4100 | 4100 |
Motor Hp...Rpm |
| 1/8...825 |
| 1/8...825 |
| 1/ ...1100 | 1/ ...1100 |
Watts Input (Total) |
|
|
|
|
| 4 | 4 |
| 180 |
| 180 |
| 320 | 320 | |
CONDENSER COIL |
|
|
| Enhanced Copper Tubes, Aluminum Lanced Fins |
| ||
Rows...Fins/in. |
| 1...17 |
| 2...17 |
| 2...17 | 2...17 |
Total Face Area (sq ft) |
| 14.6 |
| 16.5 |
| 16.5 | 21.3 |
EVAPORATOR COIL |
|
| Enhanced Copper Tubes, Aluminum |
| |||
Standard Unit |
|
|
|
|
|
|
|
Rows...Fins/in. |
| 2...15 |
| 2...15 |
| 4...15 | 4...15 |
Total Face Area (sq ft) |
| 5.5 |
| 5.5 |
| 5.5 | 7.3 |
Unit with |
|
|
|
|
|
| |
Rows...Fins/in. |
| 1...17 |
| 2...17 |
| 2...17 | 2...17 |
Total Face Area (sq ft) |
| 3.9 |
| 3.9 |
| 3.9 | 5.2 |
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 | 1200 |
| 1600 |
| 2000 | 2400 |
Maximum Continuous Bhp | 1.20 |
| 1.20 |
| 1.30/2.40* | 2.40 | |
|
| 2.40 |
| 2.40 |
| 2.90 | 2.90 |
Motor Frame Size | Std | 48 |
| 48 |
| 56 | 56 |
| 56 |
| 56 |
| 56 | 56 | |
Fan Rpm Range | Std |
|
| ||||
Motor Bearing Type |
|
| |||||
| Ball |
| Ball |
| Ball | Ball | |
Maximum Fan Rpm | Std | 2100 |
| 2100 |
| 2100 | 2100 |
Motor Pulley Pitch Diameter A/B (in.) | 1.9/2.9 |
| 1.9/2.9 |
| 2.4/3.4 | 2.4/3.4 | |
| 2.8/3.8 |
| 2.8/3.8 |
| 3.4/4.4 | 3.4/3.4 | |
Nominal Motor Shaft Diameter (in.) | Std | 1/2 |
| 1/2 |
| 5/8 | 5/8 |
| 5/8 |
| 5/8 |
| 7/8 | 7/8 | |
Fan Pulley Pitch Diameter (in.) | Std | 4.5 |
| 4.0 |
| 4.0 | 3.7 |
| 4.5 |
| 4.5 |
| 4.5 | 4.5 | |
Belt — Type...Length (in.) | Std | 1...A...36 |
| 1...A...36 |
| 1....4...40 | 1...A...38 |
Pulley Center Line Distance (in.) | 1...A...39 |
| 1...A...39 |
| 1...A...40 | 1...A...40 | |
Std |
|
| |||||
Speed Change per Full Turn of | 65 |
| 70 |
| 75 | 95 | |
Movable Pulley Flange (rpm) | 65 |
| 65 |
| 60 | 60 | |
Movable Pulley Maximum Full | Std | 5 |
| 5 |
| 6 | 5 |
Turns from Closed Position | 6 |
| 6 |
| 5 | 5 | |
Factory Setting — Full Turns Open | Std | 3 |
| 3 |
| 3 | 3 |
| 31/2 |
| 31/2 |
| 31/2 | 31/2 | |
Factory Speed Setting (rpm) | Std | 826 |
| 936 |
| 1248 | 1304 |
Fan Shaft Diameter at Pulley (in.) | 1233 |
| 1233 |
| 1396 | 1396 | |
| 5/8 |
| 5/8 |
| 5/8 | 5/8 | |
|
|
|
|
|
|
| |
Standard Compressor Internal Relief |
|
| 450 ± 50 |
|
| ||
Cutout |
|
| 428 |
|
|
| |
Reset (Auto.) |
|
| 320 |
|
|
| |
|
|
|
|
|
|
| |
SWITCH (Liquid LIne) (psig) |
|
|
|
|
|
|
|
Cutout |
|
| 7 ± 3 |
|
|
| |
Reset (Auto.) |
|
| 22 ± 5 |
|
|
| |
FREEZE PROTECTION THERMOSTAT |
|
|
|
|
|
|
|
Opens (F) |
|
| 30 |
|
|
| |
Closes (F) |
|
| 45 |
|
|
| |
| Cleanable. Screen quantity and size varies with option selected. |
| |||||
|
|
| Throwaway |
|
| ||
Quantity...Size (in.) |
|
|
| 2...16 x 25 x 2 |
| 2...16 x 16 x 2 |
LEGEND
Bhp — Brake Horsepower *Single phase/three phase.
50HE,HJ
9