Allied 4SCU13LE136P-5/6

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508216-01 Issue 2130 Page 1 of 42

SERVICE MANUAL

4SCU13LE/B

(P) 508216-01

*P508216-01*

Table of Contents

Technical Specications - 4SCU13LE .........................2

Technical Specications - 4SCU13LB .........................5

Technical Specications - 4SCU13LE*P-4 ..................8

Technical Specications - 4SCU13LE*-1 through 3 /

4SCU13LB*-1 through 2 ............................................10

Technical Specications - 4SCU13LC 3-Phase.........12

Refrigerant Metering Device - Indoor Coil .................15

Installation .................................................................15

Refrigeration Piping ...................................................18

Electrical Wiring .........................................................27

Sequence of Operation..............................................30

Start-Up .....................................................................30

Maintenance ..............................................................31

Wiring Diagram ..........................................................32

Servicing Units Void of Charge ..................................36

System Refrigerant ....................................................36

Charge Labels ...........................................................39

Start-Up and Performance Checklist .........................42

This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to

the potential for personal injury or death.

Electric shock hazard.

Can cause injury or death. Before attempting

to perform any service or maintenance,

turn the electrical power to unit OFF at

disconnect switch(es). Unit may have

multiple power supplies.

WARNING

As with any mechanical equipment, contact with sharp

sheet metal edges can result in personal injury. Take

care while handling this equipment and wear gloves

and protective clothing.

CAUTION

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, personal

injury or loss of life. Installation and service must be

performed by a licensed professional HVAC installer (or

equivalent), service agency or the gas supplier.

WARNING

Main Page

Need help?

Do you have a question about the Allied 4SCU13LE136P-5/6 and is the answer not in the manual?

Summary

Safety Information

Safety Alert Symbol

Explains the safety alert symbol for potential injury or death.

Installation and Service Warnings

Warns about improper installation, adjustment, alteration, service, or maintenance.

Technical Specifications - 4 SCU13 LE

Refrigeration Data

Refrigerant Connection and Line Sizes

Details refrigerant line sizes and expansion devices for models.

Technical Specifications - 4 SCU13 LB

Technical Specifications - 4 SCU13 LE*P-4

Technical Specifications - 4 SCU13 LE;LB Series

Technical Specifications - 4 SCU13 LC 3-Phase

Model Number Guide

Explains the model number nomenclature for 3-phase models.

Physical and Electrical Data

Provides specifications for 3-phase models.

Metering Device and Installation

Refrigerant Metering Device Selection

Provides a chart for selecting the correct indoor coil expansion device.

Service Valve and Torque Procedures

Manifold Gauge Set and Service Valve Operation

Details gauge set usage and operating service valves.

Refrigeration Piping Guidelines

Refrigeration Piping Best Practices

Outlines guidelines for proper refrigerant piping installation.

System Components and Conversion

Filter Drier Importance and Line Set Rules

Explains filter drier role and rules for line set installation.

Converting Existing R-22 Systems to R-410 A

Outlines procedures for converting R-22 systems to R-410A.

Indoor Expansion Valve Installation

Indoor Expansion Valve Installation Steps

Provides step-by-step instructions for installing the indoor expansion valve.

Brazing Safety and Process

Critical Brazing Safety Warnings

Highlights critical safety warnings related to brazing operations.

Leak Testing and Evacuation Preparation

Connecting Gauge Set for Leak Test

Procedure for Testing Leaks

Details the specific steps to test the system for leaks.

System Evacuation Procedures

Connecting Gauge Set for Evacuation

Evacuating the System to Vacuum

Provides step-by-step instructions for evacuating the system to a vacuum.

Electrical Wiring and Connections

Electrical Safety Warnings

Emphasizes critical electrical safety precautions and warnings.

Factory Wiring Diagrams

Copeland Compressor Wiring Diagram

Interlink Compressor Wiring Diagram

Operational Sequences and Charging

Cooling Sequence of Operation

Start-Up Procedures and Crankcase Heater

Refrigerant Charging Procedures and Data

Details refrigerant charging methods and data.

Wiring Diagrams

Single Phase Wiring Diagram

Single Phase Wiring Diagram (59 Model)

3 Phase (208-230 Volt) Wiring Diagram

3 Phase (460 Volt) Wiring Diagram

System Refrigerant Servicing

Servicing Units Void of Charge

Outlines procedures for servicing units that have lost their refrigerant charge.

Gauge Set Connections for Charging

Charging Procedures and Data

13 SEER Charging Procedure

Outlines the charging procedure for 13 SEER air conditioning systems.

Charging Methods for TXV and Fixed Devices

Condenser Charging Procedures

13 SEER R-410 A Condenser Charging

Provides charging procedures for 13 SEER R-410A condenser units.

Subcooling, Approach, and Pressure Data

Superheat Charging Method for Fixed Devices

Refrigerant Charging Methods

Weigh-In, Subcooling, and Approach Methods