Daktronics CH-836H - Manual (Page 9)

Installation 2-3
2.4 Electrical Installation
2.4.1 Control Signal Cable
Reference Drawings: Pwr/Sig Entrance, 1 Driver Display.. Drawing A-46755
Component Locations, CH-836H .... Drawing A-47112
Color Code, 25-Pin J-Box ............... Drawing A-47207
For the display, two conductors of 24 AWG are needed. For distances up to 600 ft. or 22
AWG, up to 1000 ft. are required. Daktronics has 24 AWG direct burial cable,
Daktronics part no. W-1105 with 6 conductors, and 22 AWG cable that must be pulled
through the conduit before burial, Daktronics part no. W-1077 with 2 conductors.
At the control location, mount the signal J-box to a convenient location. Route the cables
and connect to the wires leading from the connector in the J-box cover, according to the
table below and Drawing A-47207.
At the display, open the hinged panel covering the entrance enclosure as shown in
Drawing A-47112. Remove the cover from the entrance enclosure. Refer to Drawing
A-46755 for an illustration of the components inside the entrance enclosure. Connect the
signal wires to TB31 as indicated in the table below.
Control End Display End
J-box Terminal No. Wire Color Output No. TB31 Terminal No.
14 Red/Wht 1* 1 (+)
15 Grn/Wht 2 (-)
*Auxiliary display(s) require(s) a different output number(s). Consult the CHTS-300 console
manual.
2.4.2 Power Wiring
Reference Drawing: Pwr/Sig Entrance, 1 Driver Display .... Drawing A-46755
The CH-836H display requires a 120/240 VAC, 30 amp circuit per line. When equipped
with 25W lamps, the maximum current draw is 33.33 amps. When equipped with 30W
30R20 reflector lamps, the maximum current draw is 40 amps.
Route the power wires into the display and connect to TB41 in the entrance enclosure, as
shown in Drawing A-46755.
Connect the ground wire to E41 and to a ground rod near the display according to local
codes.