Table Of Contents; Safety Instructions - Mitsubishi Electric MAC-821SC-E Installation Manual

Caution
To use this centralized controller, you must have a MA &
Contact Terminal Interface (MAC-397IF-E, sold separately)
for each air conditioner unit.
Contents
1. Safety Instructions .......................................................................................................................... 2
2. Accessory ....................................................................................................................................... 3
3. Mounting the Centralized Controller/Direct Wiring .......................................................................... 6
4. Mounting the Centralized Controller ............................................................................................... 8
5. Test Run .......................................................................................................................................... 9
6. Room Name Display ....................................................................................................................... 9
7. Specifications .................................................................................................................................. 9

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 controller, provide this Installation Manual to the user.
Instruct users to store their room air conditioner Instruction Manual and Warranty in a safe location.
(Improper handling may have serious consequences, including injury or death.)
I Users should not install the centralized controller themselves.
Improper installation may result in fire, electric shock, or damage/water leaks if the centralized controller falls. Consult the
retailer or specialty store where you purchased the unit for referral to an installer.
I The centralized controller should be securely installed in accordance with the enclosed Installation Instructions.
Improper installation may result in fire, electric shock, or damage/water leaks if the centralized controller falls.
I The unit should be mounted in a location that can support its weight.
If installed in an area that cannot support the unit, the centralized controller could fall and cause damage.
I Securely attach the electrical component cover to the centralized controller.
If the electrical component cover of the centralized controller is not securely attached, dust or water penetration could occur,
resulting in a fire or electric shock.
I Mitsubishi components or other designated components should be used for installation.
Improper installation may result in fire, electric shock, or damage/water leaks if the centralized controller falls.
I When performing electrical work, adhere to the Technical Standards Regarding Electrical Equipment and the Inte-
rior Wiring Standards, follow the instructions provided in the Instruction Manual, and be sure to use a dedicated
circuit.
Inadequate circuit capacity or improper installation could result in a fire or electric shock.
2
Warning