Carrier Air Conditioner 324423 751 User Manual

Discharge Muffler  
Installation Instructions  
Part No. 324423-751 and 324424-751  
NOTE: Read the entire instruction manual before starting the  
INSTALLATION  
installation.  
Follow all common service practices in addition to the instructions  
below when installing this kit.  
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.  
Do not use torch to remove components. Oil may catch fire.  
Use tubing cutters. Refer to service instructions.  
Follow all safety codes. Wear safety glasses and work gloves. Use  
a quenching cloth for brazing operations. Have a fire extinguisher  
available.  
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.  
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.  
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.  
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.  
Avoid overheating as damage to components could occur.  
DESCRIPTION AND USAGE  
The discharge muffler kit contains a discharge muffler, preformed  
5. Install muffler kit as shown in Fig. 1 or 2.  
copper tubes, and Installation Instructions. Refer to Table 1 for kit  
contents and appropriate figure for installation on specific models.  
6. Leak check, evacuate, charge, and start system.  
Table 1—Kit Contents and Figure Reference Numbers  
PART NO.  
PART NAME  
Muffler  
PART NO.  
USED WITH  
FIG. NO.  
LM10KH001  
324659-201  
324660-301  
321787-751  
Copper Tubes  
38TKB024-311  
1
Installation Instructions  
Muffler  
38TKB-4SI  
LM10KH015  
324662-201  
324661-301  
321787-752  
Copper Tubes  
38TKB030-311  
2
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  
Tab 3a 1a 2a  
1
2
4
PC 101  
Catalog No. 533-899  
Printed in U.S.A.  
Form 38TKB-4SI  
Pg 1  
1-98  
Replaces: New  
 

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