8
MAC 550 Profile
AC
POWER
WARNING! For protection from electric shock, the fixture must be grounded (earthed). The AC mains
supply shall be fitted with a fuse or circuit breaker and ground-fault protection.
Important! Verify the power supply setting before applying power.
Fuses
The MAC 550 Profile comes with two main fuses:
• a 6.3 A fuse (installed) for use with AC supplies of 200 - 260 volts
• a 10 A fuse (packed with user manual) for use with AC supplies of 90 - 130 volts
Install the appropriate fuse in the holder beneath the power switch.
Power supply adjustment
The MAC 550 Profile can operate on 90-130 V and 200-260 V AC mains supplies. The voltage selection switch is set
at the factory for 200-260 V AC. For use with 90-130 V supplies, the fixture must be re configured as follows.
T o c on f i g u r e t h e p o wer su p pl y
1
Disconnect the fixture from AC power.
2
Remove the metal top cover from the front of the base, which is indicated by an arrow on the bottom.
3
Locate the voltage selection switch. For operation on 200 - 260 V AC supplies, move the switch to the
“230V” setting. For operation on 90 - 130 V AC supplies, move the switch the to “115V” setting.
4
Replace the base cover.
5
Remove the main fuse holder, which is located beneath the power switch. For operation on 200 - 260 V AC
supplies, install the 6.3 A fuse. For operation on 90 - 130 V AC supplies, install the 10 A fuse.
Power connection
Important! Connect the MAC 550 Profile directly to AC power. Do not connect it to a dimmer system;
doing so may damage the fixture.
You may need to install a cord cap that fits your supply on the power cable. A 3-prong grounding-type plug must be
installed following the manufacturer’s instructions. The table shows some possible pin identification schemes; if the
pins are not clearly identified, or if you have any doubts about proper installation, consult a qualified electrician.
To apply power, first verify that the head is unlocked and then set the power switch on the base to the “I” position.
Wire Color
Pin
Symbol
Screw (US)
brown
live L
yellow
or
brass
blue
neutral
N
silver
yellow/green
ground green
Table 1: Cord cap connections
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