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AL CompressorReference Guide

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AL SERIES COMPRESSOR - REFERENCE GUIDE FEATURES AND BENEFITS

Built for Today. Ready for TomorrowThroughout its history, Tecumseh Products Company has been a leader in providing customers with efficient and

reliable products for commercial and residential refrigeration and air conditioning applications. As a result, equipment

manufacturers, wholesale distributors and service contractors continue to demand Tecumseh compressors, condensing

units and genuine replacement parts for their specific needs. Following on the path of the current platforms, the AL

series compressor delivers best-in-class efficiency, a smaller size envelope and Tecumseh’s industry known standard

for reliability.

COMPACT SIZE 25% LIGHTERDelivers the same capacity as a larger displacement, single-speed compressor, making more room for refrigerated goods.

NATURAL REFRIGERANTOptimized for use with eco-friendly hydrocarbon refrigerant R-290 (propane).

VERSATILEIndustry standard suction, discharge and process connections facilitate ease of installation and serviceability.

PERFORMANCE + 15%Suction and discharge systems combined with new motors and refrigerant fluid handling provides improved compressor efficiency.

LOW NOISE EMISSION

TABLE OF CONTENT

TABLE OF CONTENT

PRODUCT INTRODUCTION

Product Strategy...........................................................................04 Why AL?........................................................................................04What is the same?.........................................................................04What is different?..........................................................................05Efficiency.......................................................................................05Sound...........................................................................................05Size...............................................................................................05Value proposition..........................................................................06

AL COMPRESSOR TUBE DIMENSIONS

AL Tube Connections....................................................................16AL Tube Positions..........................................................................16

HOUSING DIMENSIONS

Housing Dimensions (mm)............................................................14Housing Dimensions (in).............................................................15

COMPRESSOR NOMENCLATURE AND LABELING

AL Compressor Model Nomenclature...........................................12Compressor Labeling....................................................................13Application Window ......................................................................13

SUCTION SYSTEM

Suction System..............................................................................17

INSTALLATION INSTRUCTION

Wiring Diagram.............................................................................18Compressor with CSR and CSIR motors........................................18

CONNECTION BOX

AL Universal Model - CSIR.............................................................07AL Universal Model - CSR.............................................................07AL European Model - CSIR.............................................................08AL European ModeL - CSR.............................................................08

AL SERIES COMPRESSOR - REFERENCE GUIDE

AL COMPRESSOR RANGE AND PERFORMANCE

R-290 Compressor Performance - L/MBP (ASHRAE 32-50Hz)........09R-290 Compressor Performance - L/MBP (EN12900-50Hz)............09

Cooling Capacity Range ................................................................11L/MBP Cooling Capacity Range (rating point 1 and 2)......................11L/MBP Cooling Capacity Range (rating point 3 and 4)......................11

R-290 Compressor Performance - L/MBP (ASHRAE 32-60Hz)........10R-290 Compressor Performance - L/MBP (ARI-60Hz).....................10

04


PRODUCT STRATEGYThe AL Series compressor is designed for L/MBP applications. Compressor models are available for use with refrigerants R-290 (propane) in capacities ranging from 1,240 to 1,800 Btu/h at LBP and from 3,730 to 4,990 Btu/h at MBP (15.09 cm3 / 0.92 in3 to 19.95 cm3 / 1.22 in3) both EN12900 conditions.

WHY AL?Tecumseh is pleased to announce the availability of the AL, a high efficiency compressor designed specifically for light commercial refrigeration applications. The AL series is “Best-in-Class” with respect to performance, energy efficiency and physical size.

The AL series compressor meets two (2) important market needs: First, it is optimized for use with eco-friendly refrigerantR-290 (propane), secondly, the expanded L/MBP operating range allows standardized use across display cases, reach-in coolers and ice machines applications.

Illustrative Image


WHAT IS THE SAME?Tecumseh used most advanced engineering tools in AL compressor design, they are:

• CAD/CAE tools such as Finite Element Method (FEM) technique for structural analysis;

• Harmonic, Cavity and Irradiated Noise analysis for Acoustics (Noise, Vibration and Harshness - NVH);

• Computational Fluid Dynamics (CFD) for thermodynamics and gas flow;

These tools provide perform the optimization of the project, be assertive with targets and reduce time of development.


05


WHAT IS DIFFERENT?• The smallest 20 cc R-290 compressor – Design improvements;

• a new shockloop, with discharge pulsation reduction;

• new crankcase – new motor frame;

• new piston;

• new cylinder head – extra volume – startability performance and gas pulsation control;

• new valve plate design – optimized for performance and reduced leakage rate;

• new suction muffler – extra volume thermodynamic and sound improvements.

EFFICIENCYAs the world demand for energy continues to increase, compressor and system efficiency will remain as the primary market driver. AL family has a range of model with efficiency up to COP = 1.35 W/W (EER = 4.61 Btu/Wh) at EN12900 – LBP.

SOUND 50-55 dBA (direct suction system)

SIZEThe overall size of the compressor is an important requirement for light commercial refrigeration equipment manufacturers as it allows them to devote more space for refrigerated goods. In general, the AL compressor is up to 5% shorter in height vs. comparable NT (Embraco), 2% SC (Secop), 3% AK² (Tecumseh) and equal to AE² compressor models. Another point to mention is that the average weight of the AL series compressor is 13 kg (28.66 lb).

Tecumseh Short Housing (SH)

Dimensions (mm)

Model H

AL 214

AE2 208

AK 232

AK2 217.4

Dimensions (in)

Model H

AL 8.41

AE2 8.19

AK 9.13

AK2 9.56

Dimensions (mm)

Model H

AL 207

AE2 197

AK 224

AK2 -

Dimensions (in)

Model H

AL 8.15

AE2 7.76

AK 8.82

AK2 -

Tecumseh High Housing (HH)


Benefits Features

Compactness New housing: up to 5% shorter in height vs NT(Embraco). Up to 25% lower in weight vs. competitors.

Interchangeability (in comparison to current

compressor platforms)

Displacements: 15 to 20 cc (to go down to 12 cc)

Same mounting footprint.

Same Safety Certifications.

Equivalent cooling capacities (with R-290 refrigerant).

Small Packing

Industry standard connections.

Improved sound quality.

Standard oil type.

Enhanced Efficiency Highest efficiency on the market.(Several pump and motor improvements).

Robusteness New shockloop, reduces pulsation effect.PED category I for R-290.

Reliability New cylinder head, reinforces startability. New valve plate design – better performance and reduces leaks rate.

Refrigerant Versatility Optimized for use with natural refrigerant R-290.

Product Main Features Global voltage range for product differentiation.Operating envelope L/MBP, -35 to +5°C.

VALUE PROPOSITION

06


07

CONNECTION BOX

AL Universal Model - CSIR

AL Universal Model - CSR

Suction tube at 0° Suction tube at 45°



08

CONNECTION BOX

AL European Model - CSIR

AL European Model - CSR




R-290 COMPRESSOR PERFORMANCE - L/MBPASHRAE

3250Hz

09



Voltage / Frequency

Sound

Btu/h W kcal/h Btu/Wh W/W kcal/Wh (V / Hz) cm³ in³ kg lb dBa1 2325 681 586 5.18 1.52 1.302 4630 1357 1167 7.53 2.21 1.901 2800 821 706 5.12 1.50 1.292 5460 1600 1376 7.27 2.13 1.83121 2270 665 572 5.81 1.70 1.462 4650 1363 1172 8.55 2.51 2.151 2850 835 718 5.79 1.70 1.462 5330 1562 1343 7.91 2.32 1.991 3190 935 804 5.70 1.67 1.442 6240 1829 1572 8.18 2.40 2.06

-1.2219.95220-240/50 13.6 30.0CSR

-0.92

-17.71220-240/50 1.08

13.1

13.1

28.9

28.9

CSR

CSR

ALX430U-FZ3A 220-240/50 15.09

ALX435U-FZ3A

ALX440U-FZ3A

DisplacementRating Point

ModelCooling Capacity Efficiency (EER /COP) WeightMotor

Type

-

ALX435U-FZ1A 220-240/50 CSIR 17.71 1.08 15.0 33.09 -

ALX440U-FZ1A* 220-240/50 CSIR 19.95 1.22

13.2 29.12 -ALX430U-FZ1A 220-240/50 CSIR 15.09 0.92


EN1290050Hz

Rating Point 3 (EN12900)Evap. Temp.: -35°C / -31°F Cond. Temp.: 40°C / 104°F Return Gas Temp.: 20°C / 68°F Liquid Temp.: 40°C / 104°F Ambient Temp.: 32°C / 90°F

Oil Charge: 327 mlOil Type: POE Oil Viscosity: 32 cStCooling: FAN

Rating Point 4 (EN12900)Evap. Temp.: -10°C / 14°F Cond. Temp.: 45°C / 113°F Return Gas Temp.: 20°C / 68°FLiquid Temp.: 45°C / 113°F Ambient Temp.: 32°C / 90°F

Note: Information for internal reference only. Values can be adjusted.

R-290 COMPRESSOR PERFORMANCE - L/MBPVoltage /

FrequencySound

Btu/h W kcal/h Btu/Wh W/W kcal/Wh (V / Hz) cm³ in³ kg lb dBa3 1240 363 312 4.49 1.32 1.134 3730 1093 940 7.84 2.30 1.973 1550 454 391 4.37 1.28 1.104 4415 1294 1113 7.41 2.17 1.873 1800 528 454 4.47 1.31 1.134 4990 1463 1257 7.43 2.18 1.87

ALX435U-FZ3A 220-240/50 CSR

ModelRating Point

Cooling Capacity Efficiency (EER /COP) Motor Type

Displacement Weight

13.1 28.9 -

28.9 -

ALX430U-FZ3A 220-240/50 CSR 15.09 0.92

13.6 30.0 -ALX440U-FZ3A 220-240/50 CSR 19.95 1.22

17.71 1.08 13.1

Rating Point 1 (ASHRAE 32) Evap. Temp.: -23.3°C / -10°F Cond. Temp.: 54.4°C / 130°F Return Gas Temp.: 32.2°C / 90°FLiquid Temp.: 32.2°C / 90°F Ambient Temp.: 32.2°C / 90°F


Rating Point 2 (ASHRAE 32) Evap. Temp.: -6.7°C / 20°F Cond. Temp.: 54.4°C / 130°F Return Gas Temp.: 32.2°C / 90°FLiquid Temp.: 32.2°C / 90°F Ambient Temp.: 32.2°C / 90°F

Note: Information for internal reference only. Values can be adjusted.*Under Development

10




ARI 60HzR-290 COMPRESSOR PERFORMANCE - L/MBP

Rating Point 5 (ARI) Evap. Temp.: -23.3°C / -10°F Cond. Temp.: 48.9°C / 120°F Return Gas Temp.: 4.4°C / 40°FLiquid Temp.: 48.9°C / 120°F Ambient Temp.: 35.5°C / 95°F


Rating Point 6 (ARI) Evap. Temp.: -6.7°C / 20°F Cond. Temp.: 48.9°C / 120°F Return Gas Temp.: 4.4°C / 40°FLiquid Temp.: 48.9°C / 120°F Ambient Temp.: 35°C / 95°F


Voltage / Frequency

Sound

Btu/h W kcal/h Btu/Wh W/W kcal/Wh (V / Hz) cm³ in³ kg lb dBa5 2330 683 4.78 1.4065 2763 810 4.56 1.34656

13.7 30.2 -

ALX440U-DS3A* 115-127/60 CSR 19.95 1.22 -

ALX435U-DS3A 115-127/60 CSR 17.71 1.08

ALX430U-DS3A 115-127/60 CSR 15.09 0.92 13.5 29.8 -

ModelRating Point


Displacement Weight

4634

5336

1358

1564

6.89

6.54

2.02

1.92

ASHRAE32

60HzR-290 COMPRESSOR PERFORMANCE - L/MBP





Voltage / Frequency

Sound

Btu/h W kcal/h Btu/Wh W/W kcal/Wh (V / Hz) cm³ in³ kg lb dBa1 2901 850 5.80 1.7021 3461 1014 5.75 1.69212

13.7 30.2 -

ALX440U-DS3A* 115-127/60 CSR 19.95 1.22 -

ALX435U-DS3A 115-127/60 CSR 17.71 1.08

ALX430U-DS3A 115-127/60 CSR 15.09 0.92 13.5 29.8 -

ModelRating Point


Displacement Weight

5905

6754

1731

1979

8.53

8.12

2.50

2.38

5871167696

1344

1.211.741.151.65

7311487872

1701

1.462.151.452.05

11


Note: Information for internal reference only. Values can be adjusted.

COOLING CAPACITY RANGE

L/MBP Cooling Capacity Range (Rating point 1 and 2)

L/MBP Cooling Capacity Range (Rating point 3 and 4)

Refrigerant Application Pressure

Btu/h 2200 2300 2500 3100 3200 3400 3600 4600 4800 5000 5000 5400 5800 6000 6200 6400

W 645 674 733 908 938 996 1055 1348 1406 1465 1524 1582 1699 1758 1817 1875

R-290

Rating Point 1

Evap. -6.7°C (20°F)

Evap. -23.3°C (-10°F)

Rating Point 2



Refrigerant Application Pressure

Btu/h 1100 1200 1400 1500 1600 1700 1800 3000 3250 3500 3750 4000 4500 4750 5000 5250

W 322 352 410 440 469 498 527 879 952 1026 1099 1172 1319 1392 1465 1538

R-290

Evap. -35°C (-31°F) Rating Point 3

Evap. -10°C (14°F) Rating Point 4

Rating Point 3 (EN12900)Evap. Temp.: -35°C / -31°F Cond. Temp.: 40°C / 104°F Return Gas Temp.: 20°C / 68°F Liquid Temp.: 40°C / 104°F Ambient Temp.: 32°C / 90°F

Rating Point 4 (EN12900)Evap. Temp.: -10°C / 14°F Cond. Temp.: 45°C / 113°F Return Gas Temp.: 20°C / 68°FLiquid Temp.: 45°C / 113°F Ambient Temp.: 32°C / 90°F

ASHRAE32

50Hz

EN1290050Hz


12


AL COMPRESSOR MODEL NOMENCLATURE

AL 30

ALX430U-FZ3A

X U 3-4 FZ A

Refrigerant

Primary Refrigerant

U. R-290

Run Capacitor

1. Without RC

2. Optional to use RC

3. With RC

4. AC With Start + RC

5. Inverter Control

6. LST motor with optional Start Capacitor

7. LST motor with Run Cap and Start Cap

8. LST motor with Start Capacitor

9. LST motor with Start Cap and Run Cap

Digit Number

Number of digits composing the cooling capacity

Compressor Family(First 2 digits)

AL

Voltage

Approved Voltage(V / Hz / Ph)

FZ 220 - 240 / 50 / 1

DS 115 - 127 / 60 / 1

GS 220 - 60 / 50 / 1

LS 115 / 60 / 1

AE 230 / 50 / 1

ES 220 / 60 / 1

Version Control

A - First AL generation

Cooling Capacity

in Btu/h.In this exemple total digits 4,

with cooling capacity 30 means 3000 Btu/h at 60 Hz.

Application

Evap.Temperature

Rating PointMotor Starting

Torque

1. LBP 23,3° C / -10° F Normal

2. LBP 23,3° C / -10° F High

W. L/MBP23,3° C / -10° F

Normal-6,7° C / 20° F

X. L/MBP23,3° C / -10° F

High-6,7° C / 20° F

3. M/HBP-6,7° C / 20° F

Normal+7,2° C / 45° F

4. M/HBP-6,7° C / 20° F

High+7,2° C / 45° F

Z*. L/M/HBP 23,3° C / -10° F High

*Avaiable under request



13


COMPRESSOR LABELING

Compressor Model CodeBill of Materials Code (BOM)

Refrigerant

LRA - Locked Rotor Current

QR Code

Nominal Voltage and Frequency

Compressor Serial Number

Line and Manufacture Shift

Manufacturing Date

Manufacturing Country

APPLICATION WINDOW

For development purposes, one wide application range will be used for the primary development. Should customer specific models with specific performance characteristics be needed, all aspects of the Compressor design characteristics could come into play. This could result in narrowed operating window, reduction in the maximum operating condensing temperatures and also a modification of the applicable voltage window. These modifications and changes will need to be made in conjunction with the customer and will require a volume commitment on the part of the customer to initiate the development process.

Application Code

Application Pressure

Evaporating Temperature Range

-40 ºF -31 ºF -22 ºF -13 ºF -4 ºF 5 ºF 14 ºF 23 ºF 32 ºF 41 ºF 50 ºF 59 ºF

-40 ºC -35 ºC -30 ºC -25 ºC -20 ºC -15 ºC -10 ºC -5 ºC 0 ºC 5 ºC 10 ºC 15 ºC

1 & 2 LBP

W & X L/MBP

3 & 4 M/HBP

* Available under request

2D Code

Note: only for AL compressor.


14

COMPRESSOR AND TUBE DIMENSION

HOUSING DIMENSIONS

Dimensions

Model L H W

AL (HH) 215 214 169

AL (SH) 215 207 169

HOUSING DIMENSIONS - mm

AL Universal Model



15


HOUSING DIMENSIONS

Dimensions

Model L H W

AL (HH) 8.46 8.42 6.65

AL (SH) 8.46 8.14 6.65

HOUSING DIMENSIONS - inches

AL Universal Model



16


AL TUBE CONNECTIONS

Tolerance ± 0.05 mm (0.002 in) in all columns

Suction Tube

Discharge Tube

Process Tube

AL COMPRESSOR TUBE DIMENSIONS

Nominal Internal Diameter (mm)Type Suction Discharge Process

3 8.05 6.50 6.50

Nominal Internal Diameter (in)Type Suction Discharge Process

3 0.317 0.256 0.256

AL TUBE POSITIONS

High housing Short housing

Process TubesAngled at 48°

Suction TubesAngled at 0°

Discharge TubesAngled at 0°

Process TubesAngled at 48°

Suction TubesAngled at 45°

Discharge TubesAngled at 0°


17


SUCTION SYSTEM

Direct Suction

L/MBP

SUCTION SYSTEM


18

AL INSTALLATION INSTRUCTION

INSTALLATION INSTRUCTION

WIRING DIAGRAM

Compressors with CSR motor:This motor arrangement uses a start capacitor added to a PSC circuit. The high starting torque is suitable forunequalized systems with capillary tube or expansion valve, maintaining the same efficiency of a PSC motor.

Compressors with CSIR motor:The motors have a high starting torque, using an electrolitic starting capacitor. Recommended for applicationswith capillary tube or expansion valve systems.


Document # 600A1708 Rev C©2018 Tecumseh Products Company. All Rights Reserved

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