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FIGURE 9

Options and Maintenance:

Lens Cleaning

Occasional cleaning of the lenses will ensure optimum light output. Take care when cleaning lenses  - although tough, polycarbonate 

scratches easily. Clean the lens and base with soap and water or a lens polish using a soft cloth. Do not use solvents as they may damage 

the polycarbonate.

Lens Removal and Installation

1. Uninstall the lens clips (4 per lens), as shown in FIGURE 9, using a flat blade screwdriver.

2. Insert the screwdriver into the gap along the lens edge, and twist the screwdriver to lift the lens.

3. When finished, reinstall making sure the lens gasket is not damaged or folded. Replace the clips by hooking into the bottom lens slot and

pressing the upper portion into the clip pocket.

LED Module Removal and/or Replacement

1. Remove screw(s) securing the light head assembly to the mounting plate. See FIGURE 9.

2. Lift the light head assembly and disconnect wiring at the connectors.

3. During re-assembly, repeat the prior steps in reverse order. Torque screw(s) securing the light head assembly to the mounting plate using

10 in-lbs or 1.13 Nm.

Directional

Module

Corner

Module

LED TD/Alley

Module

FIGURE 10

Lightbar Dim Operation

Lightbar LED modules are equipped with a low power “Dimming” mode. Dimming is controlled by appower to the blue wire of the 

control cable. Dimming can also be controlled by an optional photo cell. Please contact the factory for more information or upgrade options. 

Twist to

 lift lens

Pry up

to remove

lens clip

Summary of Contents for 21 Series

Page 1: ...ent flashing and CC centrally controlled IF Independent Flashing indicates the lightbars modules have individual electronic circuits that control their operation each module a group or a pair of modul...

Page 2: ...other obstructions 6 The use of this or any other warning device does not ensure all drivers can or will observe or react to an emergency warning signal Never take the right of way for granted It is y...

Page 3: ...s on the roof of the vehicle Remove the lightbar and drill the mounting holes as marked Note The center distance between the mounting holes in an adjustable mounting foot is 11 1 or 281 94 mm 4 Attach...

Page 4: ...possible as shown in FIGURE 4 3 With the mounting hardware positioned mark the location of the mounting hole centers on the roof of the vehicle Remove the lightbar and drill the mounting holes as mar...

Page 5: ...shers and nuts as shown in FIGURE 5 4 With the mounting brackets positioned mark the locations of the mounting hole centers on the roof of the vehicle Remove the bar and drill the mounting holes as ma...

Page 6: ...ip when mounted in hot environments or operated close to their capacity Important This unit is a safety device and it must be connected to its own separate fused power point to assure its continued op...

Page 7: ...h individual module by momentarily short ing together the JP1 pins with a wire or the blade of a screwdriver shown below The light head will reset to the default flash pattern when the JP1 pins are sh...

Page 8: ...on section below for details Lightbars equipped with a DOT strip assembly are wired in conjunction with the STT tail light function All STT functions are powered independent of the central driver PCA...

Page 9: ...ont Corner Off Quad 75 FPM Cycle Flash Rear Outboard Quad 75 FPM Off Cycle Flash Rear Inboard Quad 75 FPM Off Cycle Flash Rear Center Quad 75 FPM Off Cycle Flash Rear Corner Quad 75 FPM Off Cycle Flas...

Page 10: ...onize a set of module groups 1 Power up the Lightbar and apply power to the appropriate level mode wires see Table 3 and the BLK RED Pattern select wire in the 16 conductor cable 2 Momentarily touch t...

Page 11: ...in Table 11 Light Head Group Flash Rate Wires Synchronized Function Wire Color Light Head Group BLK Front BLU WHT Rear TABLE 10 Light Head Group Flash Rates Synchronized Order Flash Pattern 1 Double...

Page 12: ...er Flash Pattern 1 Building 2 Building 3 Flash 3 Traveling Ball 3 Flash 4 Build Collapse TABLE 12 Arrowstik Flash Patterns Order Flash Pattern 1 Drivers Side Cut Front corner alley 2 Drivers Side Cut...

Page 13: ...nitions Function Wire Color Function Description BLU L1 Level 1 Emergency Mode ORG L2 Level 2 Emergency Mode YEL L3 Level 3 Emergency Mode GRN Pattern Select WHT Lightbar Dim Sets LEDs to DIM mode TAB...

Page 14: ...16 Picket Fence Quad Rear 17 Picket Fence Six Rear 18 Slow In Out Quad Rear 19 Slow In Out Six Rear 20 Fast In Out Six Rear 21 Variable Rate Picket Fence Single Rear 22 In Out Quad Rear 23 Cycle Rear...

Page 15: ...ips by hooking into the bottom lens slot and pressing the upper portion into the clip pocket LED Module Removal and or Replacement 1 Remove screw s securing the light head assembly to the mounting pla...

Page 16: ...Kit 22 EZ2122MG Accessories Controller integrated Safety Director for use with centrally controlled modules EZ2127ASCC Controller integrated Safety Director for use with independent flashing modules E...

Page 17: ...is document PROBLEM POSSIBLE CAUSE SOLUTION Does not function Poor power or ground connection In CC Lightbars a green light on the central control board should flash when power is first applied to the...

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