Allied 4SHP15LE - User Manual

508085-01 Issue 2029 Page 1 of 40
SERVICE MANUAL
4SHP14LB/4SHP15LE
(P) 508085-01
*P508085-01*
Table of Contents
Technical Specications - 4SHP15LE .........................2
Technical Specications - 4SHP14LB .........................5
Technical Specications - Past Models .......................8
Parts Arrangement.....................................................14
General Information ...................................................15
Operating Gauge Set and Service Valves .................15
Installation .................................................................16
Refrigeration Piping ...................................................18
Electrical Wiring .........................................................26
Operation ...................................................................27
Maintenance ..............................................................29
Homeowner Information ............................................29
Start-Up .....................................................................33
Start-Up and Performance Checklist .........................40
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

Summary

Product Specifications

Technical Specifications - 4 SHP15 LE

Detailed electrical, physical, and sound data for the 4SHP15LE model series.

Technical Specifications - 4 SHP14 LB

Detailed electrical, physical, and sound data for the 4SHP14LB model series.

Technical Specifications - Past Models

Physical and electrical data for older model versions.

System Components and General Information

Parts Arrangement

Diagram showing the layout of major internal components.

General Information and Service Valves

General guidelines, safety, torque, and service valve usage.

Installation Procedures

Outdoor Unit Installation

Guidance on unit placement, mounting, clearances, and ambient conditions.

Refrigeration Piping and Line Sets

Procedures for installing refrigerant lines, including sizing, insulation, and brazing.

Electrical Wiring and Thermostat Setup

Instructions for field wiring, grounding, and thermostat connections.

System Operation

Unit Operation Modes

Details on compressor, defrost, pressure switches, time delays, and diagnostic LEDs.

Thermostat Operation and Settings

Guidance on thermostat controls, fan settings, and system modes.

Maintenance and Homeowner Guidance

Regular Maintenance Requirements

Recommended tasks for maintaining the unit, including filters and coils.

Homeowner System Checks

Steps for homeowners to check before requesting service.

Start-Up and Performance Verification

Start-Up Procedures

Initial steps for starting the unit, including pre-checks and voltage.

Refrigerant Charging Methods

Procedures for adding and verifying refrigerant charge using weigh-in and subcooling.

Performance Checklist

A checklist to ensure correct installation and initial performance.

Allied 4SHP15LE Specifications

General

SEER	Up to 15
HSPF	8.5
Voltage	208/230
Phase	1
Refrigerant	R-410A
Cooling Capacity (BTU)	18000
Heating Capacity	18000