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Aire-Flo 4AC13 Series User Manual

Aire-Flo 4AC13 Series
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506320-01 Issue 1012 Page 1 of 10
These instructions must be read and understood completely before attempting installation.
Issue 1012
Safety Precautions ...................................... 2
Unit Location & Installation................................ 2
Rooftop Installation & Recommendations .................... 3
Indoor Coil Piston Selection ............................... 3
Refrigeration Line Sets................................... 3
Installation of Line Sets .................................. 4
Leak Check ........................................... 4
Evacuating & Charging................................... 4
Electrical Connections ................................... 5
Control Wiring.......................................... 5
Start-Up Procedure ...................................... 5
Adjusting charge........................................ 5
Single Phase Wiring Diagram ............................. 7
3 Phase Wiring Diagram ................................. 8
Homeowner's Information................................. 9
NOTES ............................................... 10
Installation or repairs made by unqualified persons can result in hazards to you and others. Installation
MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code
NFPA 70/ANSI C1-1993 or current edition and Canadian Electrical Code Part 1 CSA C22.1.
4AC13/14 SPLIT SYSTEM AIR CONDITIONER
INSTALLATION / START-UP INSTRUCTIONS
/HOMEOWNERS INFORMATION MANUAL
TABLE OF CONTENTS
These units are designed for use in residential and commercial type buildings. Heat Pumps are sensitive to
indoor units and may only be installed with combinations listed in the Air-Conditioning and Refrigeration Institute
(ARI) Directory of Certified Products. Refer to http://www.ahridirectory.org
.
After un-crating unit, inspect thoroughly for hidden damage. If damage is found, notify the transportation
company immediately and file a concealed damage claim.
Improper installation, adjustment, alteration, service or maintenance will void the warranty. The qualified installer or
agency must use factory-authorized kits or accessories when modifying this products. Refer to the individual instructions
packaged with the kits or accessories when installing.
NOTE
These instructions are intended as a general guide and do not supersede national, state or local codes in any way.
These instructions must be left with the property owner.
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Aire-Flo 4AC13 Series Specifications

General IconGeneral
RefrigerantR-410A
Energy EfficiencyStandard Efficiency
Voltage208/230V
Phase1
TypeAir Conditioner
Series4AC13 Series
Cooling Capacity1.5 - 5 Tons
SEER Rating13
Compressor TypeSingle Stage
Dimensions (H x W x D)Varies by model

Summary

Unit Location and Installation

Outdoor Section

Zoning ordinances and placement guidelines for the outdoor unit.

Install on a Solid, Level Mounting Pad

Instructions for installing the outdoor section on a solid foundation to minimize noise transmission.

Elevate Unit

Instructions for elevating the unit to provide clearance above snowfall and ensure adequate drainage.

Roof Top Installations

Guidelines for mounting the unit on a roof platform or frame, isolating it from structure.

Clearance Requirements

Space needed for proper airflow, wiring, refrigerant piping, and service access.

Indoor Coil Piston Selection

Importance of matching the correct piston or TXV for the indoor section to the outdoor unit.

Refrigeration Line Sets

Recommendations for using refrigeration-grade copper tubes for line sets and maximum lengths.

Installation of Line Sets

Proper methods for fastening and routing refrigerant lines to avoid contact and vibration.

Safety Precautions

Evacuating and Charging Instructions

Leak Check

Procedure for checking refrigerant lines and indoor coil for leaks before evacuation.

Cooling Cycle Charge Adjustment Procedure

Methods for adjusting refrigerant charge using superheat or subcooling based on indoor unit type.

Electrical Connections

Control Wiring

Guidelines for 24 Vac control wiring, including gauge and length considerations.

Start-Up Procedure

Steps for energizing the system and setting the thermostat for initial operation.

Adjusting Charge

How to adjust refrigerant charge based on line set length and factory settings.

Refrigeration Charge Adjustment

Guidance on adjusting refrigerant charge based on liquid line diameter and line set length.

System Operation

Filter Drier

Information about the filter drier and its replacement.

Homeowner's Information

Important System Information

Key system operation and maintenance advice for homeowners.

Regular Maintenance Requirements

Scheduled maintenance checks to be performed by a qualified service technician.

Air Filter

Instructions for inspecting, cleaning, or replacing air filters to maintain performance.

Indoor Coil

Guidance on cleaning the indoor coil, including when to call for professional service.

Condensate Drain

Recommendation to check and clean the condensate drain for free flow.

Condenser Coils

Advice on cleaning condenser coils to maintain efficiency and prevent damage.

Painted Surfaces

Recommendations for protecting the unit's finish with wax and avoiding sprinkler spray.

Before Requesting a Service Call

Troubleshooting steps homeowners can take before calling for service.

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