NEC Mcu 5000a Multipoint Control Unit Equipment Manual
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NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-003 OPEN/REMOVE FRONT COVER GENERAL: This procedure describes how to open and remove front cover of the MCU 5000A. APPARATUS: Phillips Type Screwdriver SUPPORT DATA: None STEP PROCEDURES 1 If cover is already open, go to Step 4. 2 Using index fingers, slide the locking knobs of front cover to inside. (See Fig. 1 (a), (b)) 3WARNING: FRONT COVER SHOULD BE LOWERED (180°) WITH BOTH HANDS. ALLOWING COVER TO DROP FREELY MAY DAMAGE COVER OR EQUIPMENT BELOW. Using both hands, carefully lower front cover (180°). (See Fig. 1(c)) 4 Is front cover removed? If YES , go to Step 5 . If NO , go to Step 9 . 5 Remove the earth wire by Phillips type screwdriver. (See Fig. 2) 6 Using both hands, lift front cover approximately 30°. (See Fig. 3) 7 While holding front cover with both hands, slide the front cover to left, and the right hinge comes off. 8 Lift front cover upward, and remove it from shelf. (See Fig. 4) 9 End of procedure.
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-003 MCU 5000A Multipoint Control Unit Figure 1: Opening Front Cover (a) Unlock Front Cover (b) Slide the Locking Knobs to Inside (c) Open Front Cover
NECA 340-414-210 Revision 2.0 Page 3 of 4 MCU 5000A Multipoint Control Unit INP-003 Figure 2: How to Remove Earth Wire Figure 3: How to Remove Cover out of Right Hinge (1) Figure 4: How to Remove Cover out of Right Hinge (2) RIGHT HINGECOVERABOUT 30° RIGHT HINGE FRONT COVER
Page 4 of 4 NECA 340-414-210 Revision 2.0 INP-003 MCU 5000A Multipoint Control Unit This page is for your notes.
NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-004 INSTALL/CLOSE FRONT COVER GENERAL: This procedure describes how to install and close front cover of the MCU 5000A. APPARATUS: Phillips type Screwdriver SUPPORT DATA: None STEP PROCEDURES 1 If cover is installed but open, go to Step 8 . 2 Grasp cover’s right and left sides with both hands. 3 Insert the hinge pin under the left side of front cover to holder of shelf. (See Fig. 1.) 4 Lift front cover approximately 30°. 5 While holding front cover with both hands, insert the hinge pin under the right side of front cover to holder of shelf. (See Fig. 2.) 6WARNING: ALLOWING FRONT COVER TO DROP FREELY MAY DAMAGE COVER OR EQUIPMENT BELOW. Using both hands, carefully lower front cover (180°). 7 Connect an earth wire to front cover by screw. (See Fig. 3.) 8 Is front cover closed? If YES , go to Step 9 . If NO , go to Step 10 . 9 Raise cover using index fingers, slide the locking knobs to outside of front cover. (See Fig. 4.) 10 End of procedures.
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-004 MCU 5000A Multipoint Control Unit Figure 1: Inserting the Left Side Hinge Pin of Front Cover Figure 2: Inserting the Right Side Hinge Pin of Front Cover FRONT COVER RIGHT HINGE FRONT COVER ABOUT 30° ABOUT 30°
NECA 340-414-210 Revision 2.0 Page 3 of 4 MCU 5000A Multipoint Control Unit INP-004 Figure 3: Connecting the Earth Wire EARTH WIRE EARTH TERMINAL
Page 4 of 4 NECA 340-414-210 Revision 2.0 INP-004 MCU 5000A Multipoint Control Unit Figure 4: Locking the Knobs of Front Cover
NECA 340-414-210 Revision 2.0 Page 1 of 2 MCU 5000A Multipoint Control Unit INP-005 TURN ON/OFF POWER SWITCH GENERAL: This procedure describes instruction for turning ON/OFF Power Switch. APPARATUS: None SUPPORT DATA: INP-003, INP-004 Figure 1: Turn ON/OFF Power Switch STEP PROCEDURES 1 Open front cover of MCU 5000A. 2 Is the power switch turned ON or OFF? If ON , go to Step 3 . If OFF , go to Step 4 . 3 Turn power switch to ON position. Verify that power lamp (green, marked PWR) lights. 4 Turn power switch to OFF position. Verify that power lamp goes out. 5 End of procedure. MON CONFB A LMT MON OFFON MEM POWER SWITCH MCU 5000A PWR
Page 2 of 2 NECA 340-414-210 Revision 2.0 INP-005 MCU 5000A Multipoint Control Unit This page is for your notes.