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Quiet Breeze OHQB13412 User Manual

Quiet Breeze OHQB13412
21 pages
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Quiet Breeze OHQB13412 Specifications

General IconGeneral
BrandQuiet Breeze
ModelOHQB13412
CategoryAir Conditioner
LanguageEnglish

Summary

Installation and Repair Guide for Condensing Unit

Outdoor Unit Installation Position Selection

Detailed Space Requirements for Outdoor Unit

Specifies minimum clearances required around the outdoor unit based on surrounding obstacles.

Items for Consideration

Installer Supplied Items and Specifications

Details on unit application, line set run, vertical lift, line sizes, and certifications.

Controls and Components Overview

Information on unit control methods, thermostat compatibility, and wiring.

Condensing Unit Installation Steps

Step 1: Unit Removal and Valve Check

Instructions for removing the unit from its packaging and checking service valves.

Step 2: Installation Area Preparation

Guidance on selecting a stable location and ensuring proper clearance for the condensing unit.

Step 3: Refrigerant Line Set Piping

Details on using refrigerant grade copper tubing and insulating the suction line.

Step 4: Connecting Refrigerant Line Set Pipe

Procedure for brazing refrigerant lines using nitrogen to prevent copper oxide formation.

Step 5: System Evacuation Procedure

Instructions for evacuating the system to remove moisture and perform leak checks.

Step 6: Electrical Wiring Guidelines

Guidelines for electrical wiring, breaker sizing, and connections according to codes.

Correct Installation Verification and Maintenance

Installation Position and Noise Checks

Verifies ventilation, avoids adverse locations, and checks drainage and noise impact.

Inspection and Maintenance Recommendations

Guidance on routine inspections, maintenance, and contacting HVAC dealers.

Power Cable Connection and Troubleshooting

Diagnosing No Cooling Issues

Checks for cooling signals, contractor operation, pressure switches, and compressor/capacitor.

Troubleshooting High/Low Pressure Switch Trips

Checks outdoor fan, condenser coil cleanliness, and system refrigerant pressure.

Addressing Poor Cooling Performance

Identifies issues related to indoor unit, airflow, filters, and refrigerant charge.

Wiring Diagrams

Circuit Diagram for OHQB13418 and OHQB13424

Wiring schematic for the OHQB13418 and OHQB13424 condensing unit models.

Circuit Diagram for OHQB13412

Wiring schematic for the OHQB13412 condensing unit model.

Model Specifications

Technical Specifications by Model Number

Provides detailed technical specifications for different condensing unit models.

Pressure vs. Temperature Chart

R-410A Refrigerant Pressure-Temperature Data

Table correlating pressure and temperature for R-410A refrigerant.

Subcooling Method for Charge Adjustment

Subcooling Charging Table and Procedure

Provides a table and steps to measure and adjust refrigerant charge using subcooling.

Safety Warnings and Maintenance Notes

Critical electrical shock warnings, compressor lubrication, and coil cleaning guidance.

Troubleshooting Guide

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