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Page 1 of 11506318-03C mrcool.com
Save these instructions for future reference
INSTALLATION INSTRUCTIONS
(R410A REFRIGERANT)
(P) 506318-03C
*P506318-03C*
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.
result in hazards to you and others. Installation MUST
conform with local building codes and with the National
Electrical Code NFPA 70/ANSI C1-1993 or current
edition and Canadian Electrical Code Part 1 CSA C22.1.
WARNING
Improper installation, adjustment, alteration, service
installer or agency must use factory-authorized kits
or accessories when added to this products. Refer to
accessory kit.
CAUTION
These instructions are intended as a general guide and
do not supersede national, state or local codes in any
way.
NOTE
These instructions and warranty are to be given to the
owner or displayed near the indoor air handler unit.
NOTE TO INSTALLING DEALER
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF position.
There may be more than 1 disconnect switch. Lock out
and tag switch with a suitable warning label. Electrical
shock can cause personal injury or death.
WARNING
Table of Contents
Safety Precautions ......................................................2
Installation ...................................................................2
Electrical Connections.................................................5
Start-Up Procedure......................................................6
Operation.....................................................................7
Homeowner’s Information .........................................10
MHP15*A HEAT PUMP SPLIT SYSTEM
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