Martin MAC 500 Bedienungsanleitung PDF herunterladen (Seite 6)

6 MAC 550 Profile

AMP

About the discharge lamp

The MAC 550 Profile is designed to use the OSRAM HTI 400 W/D3 lamp. This highly efficient double-ended

short-arc source provides a color temperature of 7500K, a color rendering index greater than 80, an

average service life of 750 hours and hot restrike.

Warning! Installing any other lamp may create a safety hazard or damage the fixture!

To reduce the risk of explosion, replace the lamp when it reaches the limit of its average service life, i.e.

when usage reaches 750 hours. To read lamp hours from the control panel, please refer to “Readouts” on

page 12. Replace the lamp immediately if it is in any way defective.

For maximum service life, avoid turning off the lamp before it has warmed up for at least 5 minutes.

Lamp replacement

Important! Do not touch the quartz bulb with bare fingers.

Replacement lamps are available from your Martin dealer (p/n 97010209).

The clear quartz bulb must be clean and free of any oils from your fingers. Clean the lamp with an alcohol

wipe and polish it with a dry cloth, particularly if you accidentally touch the bulb.

To replace the lamp

1. Disconnect the fixture from power and allow it to cool for at least 30 minutes or until the lamp access

plate is cool enough to touch. Lock the head right-side up.

2. Release the 4 quarter-turn fasteners marked with arrows on the lamp access plate, as shown in Figure

1. Pull the lamp assembly straight back as far as it goes and let it rest in place.

3. Push down the retention spring on the right end of the socket and push out the pin. You can use a

screwdriver to pry the lamp out of the socket as shown in Figure 2. Remove the lamp.

Figure 2: Lamp removalFigure 1: Lamp access

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Martin MAC 500 Bedienungsanleitung Seite 6