8 MAC 575 Krypton
AC power
WARNING! For protection from electric shock, the fixture must be grounded (earthed). The AC
mains supply must be fitted with a fuse or circuit breaker and ground-fault (earth-fault) protection.
Important! There are terminals on the ballast to match different voltages and AC frequencies. Check
that these are correctly wired before applying power.
Configuring the ballast for AC power
The MAC 575 Krypton can be connected to 200-240 V nominal AC mains power at 50 or 60 Hz. The
fixture’s power supply unit automatically adapts to voltage and frequency within these ranges. However,
wiring to the magnetic ballast must be configured manually to match local power.
To configure the ballast wiring:
1. Check that the fixture is not
connected to AC power.
2. Remove the four screws holding
the ‘blind’ side cover on the
opposite side of the base from
the control panel and remove the
cover for access to the terminals
on the ballast.
3. See Figure 1. Check that the
longer black wire to the ballast is
connected to the screw terminal
marked with the local AC power
voltage. Release it and connect it to the screw terminal for the correct voltage if necessary. If the exact
local voltage is not marked on a terminal, install the wire in the terminal with the next highest voltage (for
example, if the local power voltage is 220 V, install the wire in the 230 V terminal).
4. Check that the shorter black wire to the ballast is connected to the screw terminal marked with the local
AC power frequency. Release it and connect it to the screw terminal for the correct frequency if
necessary.
5. Reinstall the ‘blind’ side cover before applying power.
Power connection
Important! Connect the MAC 575 Krypton directly to AC power. Do not connect it to a dimmer system; doing so
may damage the fixture.
You may need to fit the power cable with a power plug that is suitable for your power outlets. If so, install a
grounding-type (earthed) plug following the manufacturer’s instructions. Table 1 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 check that the head tilt locks are released 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 (earth) green
Table 1: Cord cap connections
240 V 230 V 208V 200V 60 Hz 50 Hz
Figure 1: Ballast configuration
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