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Acuity Controls GR2400 User Manual

Acuity Controls GR2400
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Page 11
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School Gym and Associated Rooms
Bus Length 3500 ft without
adding switch in Scorekeeper Sky Box
Score Keeper Sky Box
400Ft wire
Getting Out of Trouble
Too Long a Bus
In this example of a school Gym the switches and panels
were as shown in a concrete building with limited conduits.
There was no way to put everything on a straight line bus
and keep under 4000ft. The main problem was the Score
Keep’s switch which would have added close to 800 ft to the
bus. (Out and Back.)
The solution was to order an analog switch with a DigiLink
dry Contract input card instead o f a digital switch for that
one location. T h e Analog switch requires two wires plus one
wire per button. (8 Wires for a 6 button switch.) For under
200 ft one can use Cat 5 and for longer use # 18 wire.
Change to Analog Switch and
home run wires to a “DigiLink”
17

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Acuity Controls GR2400 Specifications

General IconGeneral
BrandAcuity Controls
ModelGR2400
CategoryRelays
LanguageEnglish