
M
AINTENANCE
:
2
0 2 . 9 6 8 5 . 0 0 1 0 A
21-May-2009
65
80V Dimmer Replacement - VL500 80V Only
Parts:
21.9685.2750
1 EA
ASSY, 80V DIMMER
Tools:
•
#2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
To remove and replace 80V dimmer:
Step
1. Disconnect luminaire AC input cable from power source.
Step
2. Remove yoke cover on dimmer side by removing four 6-32x3/8" LG PTB screws.
Step
3. As shown in
Figure 34
, at dimmer, loosen, but do not remove, four 6-32x3/8" PPZ
screws.
Step
4. Carefully remove 80V dimmer. Note that there will be wires connected to dimmer
on the back side.
CAUTION:
All AC wiring is same color. It is a good idea to mark the connector attached to
both the AC Line Input and Load (Output) terminals on the IGBT dimmer with a black marker
before removing so the phasing can be maintained.
Step
5. At dimmer, carefully note (and label before removing) and disconnect following
wiring:
a.
4-position (Dimmer Communication from MCB)
b. Four Faston (Quick Connects - AC Input / lamp Power Output)
c.
Ground Wires
Step
6. Remove four 6-32x3/8" PPZ screws from Step 3. Install these screws in replacement
80V dimmer.
WARNING:
Be careful with ferrite cores on lamp wires. Make sure they do not come in
contact with dimmer; they may damage components on dimmer.
Содержание Vari-Lite VL500
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Страница 13: ...SAFETY NOTICE JAPANESE 02 9685 0010 A 21 May 2009 xiii ...
Страница 14: ...VARI LITE VL500 LUMINAIRE SERVICE MANUAL xiv 21 May 2009 02 9685 0010 A ...
Страница 34: ...VARI LITE VL500 LUMINAIRE SERVICE MANUAL 16 21 May 2009 02 9685 0010 A Notes ...
Страница 118: ...VARI LITE VL500 LUMINAIRE SERVICE MANUAL 100 21 May 2009 02 9685 0010 A Notes ...
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