Vari Lite VL500 Wash Luminaires, Service Manual

Page: 73 / 206

M
AINTENANCE
:
2
0 2 . 9 6 8 5 . 0 0 1 0 0 17 -Ju ly- 200 6 41
Low Voltage Supply (LVS) Temperature PCB
Replacement (VL500 80V Only)
Parts:
24.9685.0740 1 EA TEMPERATURE BOARD, LVS
Tools:
• #2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
WARNING:
With power applied, LIVE AC is present at heatsink. Do not touch when unit
is powered.
To remove and replace LVS temperature PCB:
Step 1. Remove power from luminaire.
Step 2. Remove LVS by following procedure,
“Low Voltage Supply (LVS) Replacement
(VL500 80V Only)” on page 40
.
Figure 28: LVS Temperature PCB Replacement (VL500/VL500D/VL500A Only)
Step 3. Disconnect the following wiring connections on PCB:
a. 2-position connector (LVS Fan)
b. 4-position connector (LVS Fan from MCB)
Step 4. As shown in
Figure 26
, remove one 6-32x3/8" PPZ securing LVS Temperature
PCB to fan bracket assembly.
Step 5. Remove LVS Temperature PCB.
Step 6. Replace by performing steps 2 through 5 in reverse order.
LVS Power Supply
Some components not
NOTE:
Pan Tube
shown for clarity.
LVS Temperature PCB
6-32x3/8" PPZ