VARILITE VL4 - Dimmer;Filter;Douser Assembly Maintenance; Dimmer;Filter;Douser Assembly Removal and Replacement

3-46
V
ARI
*L
ITE
®
-
VL4
W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9628.0010
7-Oct-97
3.3.3 Dimmer/Filter/Douser Assembly Maintenance
3.3.3.1 Dimmer/Filter/Douser Assembly Removal and
Replacement
Parts
:
1 EA ASSY, DIMMER/FILTER/DOUSER (VL4) (22.4005.0001)
Tools
:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
Nutdriver, 5/16 inch
To remove and replace dimmer/filter/douser assembly:
Step 1. Remove power to luminaire.
Step 2. Remove 12, 6-32x5/16"PPB screws that secure head covers to
rails and remove both head covers (
Figure 3-7
).
Step 3. At yoke termination board, disconnect dimmer/douser
connectors.
a. 4-pin connector from header marked YTB-P15.
b. 8-pin connector from header marked YTB-P14.
c. 4-pin magenta connector from header marked YTB-P11.
d. 8-pin magenta connector from header marked YTB-P10.
e. 4-pin dimmer connector from header marked YTB-P12.
f. 8-pin dimmer connector from header marked YTB-P13.
g. 4-pin douser connector from header marked YTB-P5.
Step 4. Remove dimmer/filter/douser assembly.
a. Move diffuser connectors wires away from work area.
b. Using 5/16 inch nutdriver, remove two 6-32 KEPS nuts that
secure dimmer/filter/douser bulkhead in luminaire head and
slide bulkhead out of luminaire head.
c. Place bulkhead in dimmer/filter/douser assembly protection
box honeycomb side down.