Simplex 4903 Installation Instructions Manual

OaSimplex
4903 Audible/Visible and
4904 Visible Units
Installation Instructions
iktaiiation Procedure
Assemble Lens (if Required) - FLASHER UNITS ONLY
1. Attach the reflector (A) to the Flasher Printed Circuit (PC) Board (B) by lining
up the reflector's cut-out (C) with the flash tube (D) and then pushing the
reflector behind the tube. DO NOT TOUCH FLASH TUBE WITH YOUR
FINGERS. See Figure 1.
NOTE: Make sure that the reflector cut-out's large slot lines up with the flash
tube's two-wired lead end and the reflector's flanges face towards the
flasher board's component surface.
2. Insert the Flasher PC Board with reflector inside the lens (E) by placing the
Flasher PC Board behind the lens' two bottom tabs (F) and then snapping the
Flasher Board onto the top tab (G). See Figure 1.
NOTE: Make sure that the reflector is wrinkle-free and behind the flash tube.
PROCEED TO STEP 3 ON PAGE 4.
AMOUNT OF LIGHT (IN PERCENT)
FOR LENS VIEWING ANGLES'
A. Flasher Units 4904-9104 (Ceiling-Mount), B. All Other Flasher
4904-9105 (Wall-Mount), and 4904-9106
Units Listed in Flasher
(Ceiling or Wall-Mount) at 24VDC Rating Chart on page 2.
b2% 4s%
'Alternate Lenses for 4903 Audible/Visible or 4904 Visible Flasher Units
t 4905-9901
Ceiling Lens, Clear with "FIR&
t 49059902
Plain Clear Lens
T Not for use with 4904-9104,
-9105. and -9106 Flasher Units
D
LENS ASSEMBLY - FLASHER UNITS ONLY
Q ,992 smplex Tim* Rec'ndB, co, Gardner. MA 0144-0001 U.S.A. PER-21-302 (574-657)
All specil,catm"s an.3 other i"'cmla,w" Show" were c"r,en, as 0, pubhcahon. and am subject 10 change Wltho"t nOw* Ed592