Discharge Muffler

Visit www.carrier.com

Installation Instructions

Part No. 324423-751 and 324424-751

NOTE: Read the entire instruction manual before starting the installation.

SAFETY CONSIDERATIONS

Installing and servicing air conditioning equipment can be hazard- ous due to system pressure and electrical components. Only trained personnel should install or service air conditioning equipment.

Untrained personnel can perform basic maintenance functions, such as cleaning coils and cleaning and replacing filters. All other operations should be performed by trained service personnel. When working on air conditioner equipment, observe precautions in the literature, on tags, and on labels attached to unit.

Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth for brazing operations. Have a fire extinguisher available.

Before beginning the installation or modification, be sure the main electrical disconnect switch is in the OFF position. Electrical shock can cause personal injury or death.

INTRODUCTION

This instruction covers installation of a discharge muffler kit. The discharge muffler is designed to reduce or alleviate noise trans- mission through connecting tubing. The objectionable noise can be caused by discharge gas pulsations.

DESCRIPTION AND USAGE

The discharge muffler kit contains a discharge muffler, preformed copper tubes, and Installation Instructions. Refer to Table 1 for kit contents and appropriate figure for installation on specific models.

INSTALLATION

Follow all common service practices in addition to the instructions below when installing this kit.

Do not use torch to remove components. Oil may catch fire. Use tubing cutters. Refer to service instructions.

Do not vent refrigerant to atmosphere. Recover during system repair or final unit disposal. Use all service ports.

1.Turn off power and reclaim refrigerant in system.

2.Remove access panel and right corner post.

3.Cut discharge tube between compressor and condenser coil.

4.Unbraze stubs from compressor and condenser coil. Use wet cloth around condenser coil tube to prevent overheating.

Avoid overheating as damage to components could occur.

5.Install muffler kit as shown in Fig. 1 or 2.

6.Leak check, evacuate, charge, and start system.

Table 1ÐKit Contents and Figure Reference Numbers

PART NO.

PART NAME

PART NO.

USED WITH

FIG. NO.

 

Muffler

LM10KH001

 

 

321787-751

Copper Tubes

324659-201

38TKB024-311

1

324660-301

 

 

 

 

 

Installation Instructions

38TKB-4SI

 

 

 

Muffler

LM10KH015

 

 

321787-752

Copper Tubes

324662-201

38TKB030-311

2

324661-301

 

 

 

 

 

Installation Instructions

38TKB-4SI

 

 

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book

1

2

4

PC 101

Catalog No. 533-899

Printed in U.S.A.

Form 38TKB-4SI

Pg 1

1-98

Replaces: New

Tab

3a

1a

2a

 

 

 

 

 

 

 

Page 1
Image 1
Carrier 324424-751, 324423-751 installation instructions Installation Instructions Part No -751

324424-751, 324423-751 specifications

Carrier 324424-751 and 324423-751 are distinguished models in the Carrier line of HVAC (heating, ventilation, and air conditioning) systems, specifically designed for commercial use. These systems are engineered to offer superior temperature control, energy efficiency, and reliability, making them popular choices for businesses looking to optimize comfort while minimizing energy costs.

One of the primary features of these models is their advanced cooling and heating capabilities. With variable-speed compressors, the units can adjust their output based on the actual cooling or heating demand, which not only enhances comfort but also contributes to energy savings. This technology allows for more consistent temperature maintenance, reducing the fluctuations common in single-speed systems. The use of inverter-driven technologies further enhances efficiency by allowing gradual ramp-up to full capacity, avoiding the energy spikes associated with traditional units.

In terms of energy efficiency, both models have earned high SEER (Seasonal Energy Efficiency Ratio) ratings, making them eco-friendly options that comply with stringent regulations. They utilize R-410A refrigerant, a more environmentally conscious alternative that reduces greenhouse gas emissions, contributing to better sustainability practices.

The design characteristics of the Carrier 324424-751 and 324423-751 also feature robust construction to endure varying environmental conditions. The units are equipped with durable scroll compressors known for their quieter operation, contributing to a more pleasant atmosphere, especially in noise-sensitive environments. Additionally, the integrated microprocessor control system allows for precise monitoring and adjustments, providing users with valuable insights into energy usage and system performance.

Maintenance is simplified through the design of these units. They include easy-access panels that enable technicians to service the equipment with minimal disruption. The filters are designed for easy replacement, promoting better air quality and system longevity.

Overall, the Carrier 324424-751 and 324423-751 models represent the pinnacle of HVAC technology, offering a balance of performance, efficiency, and reliability. Their modern features make them suitable for various commercial applications, ensuring that businesses can maintain a comfortable environment for employees and customers alike. By choosing these advanced systems, businesses not only invest in comfort but also in long-term savings on energy costs and reduced environmental impact.