Centralized On-Off Remote Controller MAC-821SC-E [FOR INSTALLER] INSTALLATION MANUAL English [FÜR INSTALLATEURE] Deutsch INSTALLATIONSHANDBUCH [POUR L’INSTALLATEUR] MANUEL D’INSTALLATION Français [VOOR DE INSTALLATEUR] INSTALLATIEHANDLEIDING Nederlands [PARA EL INSTALADOR] MANUAL DE INSTALACIÓN Español [PER L’INSTALLATORE] MANUALE DI INSTALLAZIONE Italiano [°π∞ ∞À∆√¡ ¶√À ∫∞¡∂π ∆∏¡ ∂°∫∞∆∞™∆∞™∏] E°XEIPI¢IO O¢H°IøN E°KATA™TA™H™...
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MAC-821SC-E ERRATA The following corrections have been made to the MAC-821SC-E INSTALLATION MANUAL. 2. Accessory The list of items to prepare at the installation site and the illustrations have been revised. Items to Prepare at the Installation Site MA & Contact terminal interface...
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.
2. Accessory Before installing the unit, make sure that you have all the necessary parts. Centralized controller A Cover Remove the cover with a flathead screwdriver. B Screw Base plate Switch box Room name stickers Rubber seal (large) Rubber seal (small) Sealing material (adhesive) Mounting screw M4 ×...
50/60 Hz Air conditioner Ground Indoor unit MAC-821SC-E MAC-397IF-E * Connect the power switch with gap of 3 mm or more when open to interrupt the source power phase. (When the power switch is shut off, it must interrupt all phases.) 2-2.
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2-5. Sample Configuration This figure shows a sample 4-unit configuration. Connection wire C (max. length of 100 m) A/C Device No. 3 A/C Device No. 2 Power supply ~/N 220–240 V 50/60 Hz A/C Device No. 1 A/C Device No.4 Centralized controller 1 A MA &...
3. Mounting the Centralized Controller/Direct Wiring 3-1. Mounting Preparations Remove 2 screws, and remove the base plate 2 from the switch box 3. Set the 2 screws aside, as they will be used in the section on “4-1. Mounting the Base Plate” under “Mounting the Centralized Controller”. Screw M4 Insert the switch box 3 into the wall.
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3-2. Connecting the Connection Wire Connect the power supply wire (2-core + ground) B to the power terminal. After they are connected, check that the wires cannot be easily pulled off. Power terminal Power supply wire B Work on Power Supply wire End Washer (2-core + ground) •...
4. Mounting the Centralized Controller 4-1. Mounting the Base Plate Insert the base plate 2 into the switch box 3, and remount it using the screws removed in the “3-1 Mounting Preparations”. Be sure to mount the base plate 2 so the up arrow is facing Up arrow upward.
Select the appropriate stickers from the room name stickers 4 supplied, and affix them to the display section of the panel. Room name stickers 4 7. Specifications Model MAC-821SC-E No. of controlled air conditioners 8 units Power ~/N, 220–240 V, 50/60 Hz...
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This product is designed and intended for use in the residential, commercial and light-industrial environment. The product at hand is based on • Low Voltage Directive 73/23/EEC the following EU regulations: • Electromagnetic Compatibility Directive 89/ 336/EEC HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN SG79Y547H01 Printed in Japan...