M
AINTENANCE
:
2
0 2 . 9 6 8 3 . 0 0 1 0 0
2 5 M a r c h 2 0 1 1
45
IGBT Dimmer Replacement - VL550D Only
Parts:
69.3173.0115
1 EA
DIMMER, IGBT, 1200W 120V REV PHASE CONT
(VL550D 120V MODELS ONLY)
69.3173.0240
1 EA
DIMMER, IGBT, 1200W 230V REV PHASE CONT
(VL550D 230V MODELS ONLY)
Tools:
•
#2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
To remove and replace IGBT 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 22
, at dimmer, loosen, but do not remove, four 6-32x3/8" PPZ
screws.
Step
4. Carefully remove IGBT 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.
3-position (Dimmer Communication from MCB)
b. Four Faston (Quick Connects - AC Input / lamp Power Output)
Step
6. Remove four 6-32x3/8" PPZ screws from Step 3. Install these screws in replacement
IGBT dimmer.
Summary of Contents for VL550
Page 1: ......
Page 13: ...SAFETY NOTICE JAPANESE 02 9683 0010 0 25 March 2011 xiii...
Page 14: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xiv 25 March 2011 02 9683 0010 0...
Page 18: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xviii 25 March 2011 02 9683 0010 0...
Page 68: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 50 25 March 2011 02 9683 0010 0 Notes...
Page 102: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 84 25 March 2011 02 9683 0010 0 Notes...
Page 120: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 102 25 March 2011 02 9683 0010 0 Notes...
Page 130: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 112 25 March 2011 02 9683 0010 0 Notes...
Page 131: ......
