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1. Safety Instructions
• Read all Safety Instructions before using this device.
• This manual contains important safety information. Be sure to comply with all instructions.
• After installing the Interface, provide this Installation Manual to the user.
Instruct users to store their room air conditioner Instruction Manual and Warranty in a safe location.
1. Safety Instructions............................................................................................................................2
2. Before Installation ............................................................................................................................3
3. Connecting the MA Interface to the Indoor Unit ...............................................................................4
4. Connecting the MA Interface with each system ...............................................................................4
5. Dip Switch Details ............................................................................................................................7
6. Test Run (Check Operations)...........................................................................................................7
7. Mounting the MA Interface Unit........................................................................................................8
8. Notes Regarding Use.......................................................................................................................9
9. Specications...................................................................................................................................9
Warning
(Improper handling may have serious consequences, including injury or death.)
■Users should not install the Interface on their own.
Improperinstallationmayresultinre,electricshock,ordamage/waterleaksiftheInterfaceunitfalls.Consultthedealer
from whom you purchased the unit or professional installer.
■The Interface should be securely installed in accordance with the enclosed Installation Instructions.
Improperinstallationmayresultinre,electricshock,ordamage/waterleaksiftheInterfaceunitfalls.
■The unit should be mounted in a location that can support its weight.
If installed in an area that cannot support the unit, the Interface unit could fall and cause damage.
■Securely attach the electrical component cover to the Interface unit.
If the electrical component cover of the Interface unit is not securely attached, dust or water penetration could occur,
resultinginareorelectricshock.
■Mitsubishi components or other designated components must be used for installation.
Improperinstallationmayresultinre,electricshock,ordamage/waterleaksiftheInterfaceunitfalls.
■When performing electrical work, adhere to the technical standards regarding electrical equipment and the
interior wiring standards, follow the instructions provided in the Instruction Manual.
Improperinstallationcouldresultinareorelectricshock.
■This appliance is not intended for use by persons (including children) with reduced physical, sensory or men-
tal capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety.
■Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children
without supervision.
Contents
JG79N204H01_01En.indd 2 2021/08/10 17:46:30