Installation Guide
507043-04C Page 1 of 9mrcool.com
Save these instructions for future reference
INSTALLATION INSTRUCTIONS
MAC16*A A/C SPLIT SYSTEM
(P) 507043-04C
*P507043-04C*
Manufactured By
MRCOOL, LLC
Hickory, KY 42051
This manual must be left with the homeowner for future reference.
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.
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  installer  (or 
equivalent), service agency or the gas supplier.
 WARNING
result in hazards to you and others. Installation MUST 
conform with local building codes and with the National 
Electric Code NFPA 70/ANSI C1-1993 or current edition 
and Canadian Electrical Code Part 1 CSA .
 WARNING
Table of Contents
Safety Precautions ......................................................2
Installation ...................................................................2
Electrical Connections.................................................4
Start-Up Procedure......................................................5
System Operation........................................................6
Homeowner’s Information ...........................................9
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.
NOTE
These instructions and warranty are to be given to the 
owner  or  prominently  displayed  near  the  indoor  air 
handler unit.
NOTE TO INSTALLING DEALER










